United flights from Seattle to San Francisco from. $ 139. * 1 Passenger, …Flights from Seattle to San Francisco. Use Google Flights to plan your next trip and find cheap one way or round trip flights from Seattle to San Francisco. Find the best...Find United Airlines cheap flights from San Francisco to Seattle. Enjoy a San Francisco to Seattle modern flight experience in premium cabins with Wi-Fi.Each day, there are between 25 and 31 nonstop flights that take off from San Francisco and land in Seattle, with an average flight time of 2h 16m. The most common departure time is 12:00 and most flights take off in the morning. Each week, there are 197 flights. The most frequent day of departure is Sunday, when 16% of all weekly flights depart.The two airlines most popular with KAYAK users for flights from Seattle to Amsterdam are Delta and KLM. With an average price for the route of $1,106 and an overall rating of 8.0, Delta is the most popular choice. KLM is also a great choice for the route, with an average price of $949 and an overall rating of 7.8.Our data shows that the cheapest route for a one-way flight from Washington, D.C. to San Francisco cost $193 and was between Baltimore and San Francisco. On average, the best prices are found if you fly from Washington, D.C. Dulles Intl Airport to San Francisco. The average price for a return flight for this route is $328.Cheap Flights from Seattle to Vienna (SEA-VIE) Prices were available within the past 7 days and start at $470 for one-way flights and $655 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Seattle to Vienna with no change fee on selected flights.United flights from Seattle to Lihue from$ 350*. United flights from Seattle to Lihue from. $ 350. *. 1 Passenger, Economy. Home. United flights. Flights to United States. Seattle - Lihue. All flight schedules from Seattle Tacoma International , Washington , USA to San Francisco International , California , USA . This route is operated by 3 airline (s), and the flight time is 2 hours and 26 minutes. The distance is 683 miles. Each day, there are between 4 and 5 nonstop flights that take off from Seattle and land in Raleigh, with an average flight time of 5h 06m. The most common departure time is 9:00 am and most flights take off in the morning. Each week, there are 34 flights. The most frequent day of departure is Saturday, when 15% of all weekly flights depart.Cheap Flights from Seattle to Savannah (SEA-SAV) Prices were available within the past 7 days and start at $101 for one-way flights and $229 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Seattle to Savannah with no change fee on selected flights.Cheap Flights from Seattle to San Diego (SEA-SAN) Prices were available within the past 7 days and start at $50 for one-way flights and $100 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Seattle to San Diego with no change fee on selected ...Compare flight deals to Seattle from San Francisco from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Seattle start from $48 one-way. Flex your dates to find the best SFO–SEA ticket prices.Cheap Flights from Seattle to Manila (SEA-MNL) Prices were available within the past 7 days and start at $487 for one-way flights and $799 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Seattle to Manila with no change fee on selected flights.Searching for cheap flights from San Francisco to Seattle? Enjoy comfort, premium cabin legroom and free movies with Alaska Airlines. Find the lowest fares today.United flights from Seattle to Lihue from$ 350*. United flights from Seattle to Lihue from. $ 350. *. 1 Passenger, Economy. Home. United flights. Flights to United States. Seattle - Lihue.Find flights to Seattle from $49. Fly from San Francisco on Frontier, Alaska Airlines, Delta and more. Search for Seattle flights on KAYAK now to find the best deal.Cheap Flights from Seattle to Chiang Mai (SEA-CNX) Prices were available within the past 7 days and start at $479 for one-way flights and $835 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Seattle to Chiang Mai with no change fee on selected ...Flight Status & Notifications. All fields required. Search by. From City or Airport. To City or Airport. Departure Date Selected Departure date 2024AprilWednesday24. Open calender and then use pageup and pagedown to navigate between months and alt + pageup and alt + pagedown for years.Searching for cheap flights from San Francisco to Seattle? Enjoy comfort, premium cabin legroom and free movies with Alaska Airlines. Find the lowest fares today.If you include this extra time on the tarmac, the average total elapsed time from gate to gate flying from Seattle, WA to San Francisco, CA is 2 hours, 6 minutes. Finally, pilots might want to estimate the flight time using an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/h or 434 knots.Compare Seattle to San Francisco International flight deals. Find the cheapest month or even day of the year to fly to San Francisco International. Book the best San Francisco … Cheap Flights from San Francisco to Seattle (SFO-SEA) Prices were available within the past 7 days and start at $54 for one-way flights and $124 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from San Francisco to Seattle with no change fee on ... Apr 29, 2024 · Tour San Francisco City Hall, a Beaux-Arts beauty, and make sure to look up - the dome is a replica of St. Peter's Basilica in Rome. Compare cheap flights to San Francisco with Alaska Airlines. Enjoy our low prices and generous experience. Book the lowest fares on San Francisco flights today. Cheap Flights from San Francisco to Seattle (SFO-SEA) Prices were available within the past 7 days and start at $54 for one-way flights and $124 for round trip, for the period …San Francisco to Seattle / Tacoma Flights. Flights from SFO to SEA are operated 74 times a week, with an average of 11 flights per day. Departure times vary between 06:00 - 22:55. The earliest flight departs at 06:00, the last flight departs at 22:55. However, this depends on the date you are flying so please check with the full flight schedule ...United flights from Seattle to San Francisco from. $ 139. * 1 Passenger, … Compare flight deals to San Francisco from Seattle from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to San Francisco start from £43 one-way. Flex your dates to find the best SEA-SFO ticket prices. Passengers on flights arriving at Terminal 2 or Terminal 3 may transfer to the International Terminal "G" Gates via a connector walkway that links the two gate areas. The entrance to the connector is located post-security in Terminal 3 near Gate F1, and the exit is located post-security in International Terminal Boarding Area G near Gate G1. ...The cheapest prices found with in the last 7 days for return flights were $68 and $34 for one-way flights to for the period specified. Prices and availability are subject to change. Additional terms apply. Tue, Apr 30 - Tue, May 7. SEA. Seattle - Tacoma Intl. PHX.Book cheap flights to Providence (PVD) with United Airlines. Enjoy all the in-flight perks on your Providence flight, including speed Wi-Fi. ... From Seattle (SEA) To Providence (PVD) Roundtrip | Economy: 05/26/24 - 05/30/24: from. $ 318* Viewed: 19 hours ago. From Atlanta (ATL) To Providence (PVD) Roundtrip | Economy: 06/25/24 - 06/29/24: from ...Flights from Seattle (SEA) to San Francisco (SFO) Origin airport. Seattle - Tacoma Intl. Destination airport. San Francisco Intl. Airlines serving. Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, JetBlue Airways, Sun Country Airlines, United. Popular airline. Alaska Airlines.Cheap Flights from Seattle to New York (SEA-JFK) Prices were available within the past 7 days and start at $118 for one-way flights and $225 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Seattle to New York with no change fee on selected flights.Flights between some cities may be significantly cheaper if you choose a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.. The average price for connecting flights from Seattle to San Francisco is not available.. The average …Passengers on flights arriving at Terminal 2 or Terminal 3 may transfer to the International Terminal "G" Gates via a connector walkway that links the two gate areas. The entrance to the connector is located post-security in Terminal 3 near Gate F1, and the exit is located post-security in International Terminal Boarding Area G near Gate G1. ...The cheapest flights to San Francisco Intl. found within the past 7 days were $131 round trip and one way. Prices and availability subject to change. Additional terms may apply. Tue, May 7 - Tue, May 7. SEA. Seattle. SFO. San Francisco.To reach San Francisco, SFO from Seattle, SEA you can choose from top airlines such as, Virgin America, Alaska Airlines and American Airlines. The average time taken by a flight to cover the distance of 679 miles between the two cities is about 2 hours. Download Our App. Get CheapOair deals. on the GO!Find cheap flights to San Francisco International Airport with Skyscanner, the leading travel search engine. Compare prices, airlines, and routes from hundreds of providers and book your tickets in minutes. Whether you want to explore the Golden Gate Bridge, Alcatraz, or the vibrant city life, Skyscanner helps you find the best deals for your …Seattle / Tacoma to San Francisco Flights. Flights from SEA to SFO are operated 56 times a week, with an average of 8 flights per day. Departure times vary between 05:30 - 21:45. The earliest flight departs at 05:30, the last flight departs at 21:45. However, this depends on the date you are flying so please check with the full flight schedule ...Direct. Tue, Oct 8 SFO – SEA with Alaska Airlines. Direct. from C$188. San Francisco.C$190 per passenger.Departing Tue, May 21, returning Tue, Jun 4.Round-trip flight with Delta.Outbound direct flight with Delta departing from Seattle / Tacoma International on Tue, May 21, arriving in San Francisco International.Inbound direct flight …Alaska Airlines connects Seattle to San Francisco with up to 9 flights per day. Delta also offers 8 flights per day, while United Airlines follows with 8 flights per day. Which …The cheapest month for flights from San Francisco to Seattle is January, where tickets cost S$ 241 on average. On the other hand, the most expensive months are November and …Flights from San Francisco (SFO) to Seattle (SEA) Origin airport. San Francisco Intl. Destination airport. Seattle - Tacoma Intl. Airlines serving. Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, JetBlue Airways, Sun Country Airlines, United. Popular airline. Alaska Airlines.Flight deals to San Francisco International. Looking for a cheap last-minute deal or the best round-trip flight to San Francisco International? Find the lowest prices on one-way and round-trip tickets right here. Tue, May 7 LAX – SFO with Frontier Airlines. Wed, May 8 SFO – LAX with Frontier Airlines. Wed, Sep 18 LAS – SFO with Frontier ...Fly from Seattle on Frontier, Alaska Airlines, Delta and more. Search for San Francisco Bay Area flights on KAYAK now to find the best deal. Find flights to San Francisco Bay …Find United Airlines cheap flights from Seattle to Sioux Falls. Enjoy a Seattle to Sioux Falls modern flight experience in premium cabins with Wi-Fi. 07/24/24 - 08/01/24. from. $ 160*. Viewed: 1 day ago. From. San Francisco (SFO) To. Seattle (SEA) Roundtrip. The cheapest return flight ticket from Seattle to Seoul found by KAYAK users in the last 72 hours was for $933 on China Airlines, followed by Philippine Airlines ($987). One-way flight deals have also been found from as low as $542 on …From the moment you land, Dublin will open its arms to welcome you. Visitors will adore the city’s vibrant nightlife, rich history and world-renowned attractions. Book your flight to Dublin with Aer Lingus and make your trip an unforgettable experience. 59 Seconds in Dublin | …Passengers on flights arriving at Terminal 2 or Terminal 3 may transfer to the International Terminal "G" Gates via a connector walkway that links the two gate areas. The entrance to the connector is located post-security in Terminal 3 near Gate F1, and the exit is located post-security in International Terminal Boarding Area G near Gate G1. ...Cheap Flights from San Francisco to Las Vegas (SFO-LAS) Prices were available within the past 7 days and start at $29 for one-way flights and $58 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from San Francisco to Las Vegas with no change fee on ...If you include this extra time on the tarmac, the average total elapsed time from gate to gate flying from Seattle, WA to San Francisco, CA is 2 hours, 6 minutes. Finally, pilots might want to estimate the flight time using an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/h or 434 knots.All flight schedules from Seattle Tacoma International , Washington , USA to San Francisco International , California , USA . This route is operated by 3 airline (s), and the flight time is 2 hours and 26 minutes. The distance is 683 miles. United flights from Seattle to San Francisco from. $ 139. *. 1 Passenger, Economy. Home. United flights. Flights to United States. Seattle - San Francisco. #%#PRICING_WIDGET.PAE_SFO#%#. Direct. Tue, Oct 8 SFO – SEA with Alaska Airlines. Direct. from C$188. San Francisco.C$190 per passenger.Departing Tue, May 21, returning Tue, Jun 4.Round-trip flight with Delta.Outbound direct flight with Delta departing from Seattle / Tacoma International on Tue, May 21, arriving in San Francisco International.Inbound direct flight …Find cheap flights to Costa Rica with Google Flights. Explore popular destinations in Costa Rica and book your flight.Book cheap flights to Okinawa (OKA) with United Airlines. Enjoy all the in-flight perks on your Okinawa flight, including speed Wi-Fi.Airlines flying to San Francisco. Currently, there are 54 airlines that fly to San Francisco. Most flights to San Francisco are operated by United Airlines, as they connect 108 airports to SFO. That’s around 3 times as much as Alaska, the second biggest airline in terms of operated flight routes to San Francisco.Roundtrip. found 2 days ago. Book one-way or return flights from Seattle to San Francisco with no change fee on selected flights. Earn your airline miles on top of our rewards! …Moving From Sf To Seattle 🟢 Apr 2024. moving to san francisco, road trip sf to seattle, driving trip from seattle to san francisco, seattle to sf driving, shannon moving sf, sf to seattle train, moving services sf, flights from sf to seattle Teasing the UK, mostly when proper precautions when processing centers. mvrfsr. 4.9 stars - 1897 reviews.Cheap Flights from Seattle to Manila (SEA-MNL) Prices were available within the past 7 days and start at $487 for one-way flights and $799 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Seattle to Manila with no change fee on selected flights.Cheap Flights from Phoenix to San Francisco (PHX-SFO) Prices were available within the past 7 days and start at $34 for one-way flights and $53 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Phoenix to San Francisco with no change fee on ...The cheapest prices found with in the last 7 days for return flights were $68 and $34 for one-way flights to for the period specified. Prices and availability are subject to change. Additional terms apply. Tue, Apr 30 - Tue, May 7. SEA. Seattle - Tacoma Intl. PHX.Cheap Flights from Seattle (SEA) to San Francisco (SFO) Prices were available within the past 7 days and start at £55 for one-way flights and £111 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.Flight Status & Notifications. All fields required. Search by. From City or Airport. To City or Airport. Departure Date Selected Departure date 2024AprilWednesday24. Open calender and then use pageup and pagedown to navigate between months and alt + pageup and alt + pagedown for years.Each day, there are between 4 and 5 nonstop flights that take off from Seattle and land in Raleigh, with an average flight time of 5h 06m. The most common departure time is 9:00 am and most flights take off in the morning. Each week, there are 34 flights. The most frequent day of departure is Saturday, when 15% of all weekly flights depart.Flight UA1896 is code-shared by 4 airlines using the flight numbers LX3257, NZ9424, TK9586, VA8298. Other flights departing from Seattle SEA: AS1085, AS2144, AS736, DL8878. Other flights arriving at San Francisco SFO: UA1606, UA2076, UA1770, LX38K. All flights connecting Seattle SEA to San Francisco SFO.Cheap Flights from Seattle to Auckland (SEA-AKL) Prices were available within the past 7 days and start at $653 for one-way flights and $1,058 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Seattle to Auckland with no change fee on selected ...Cheap Flights from Seattle to San Diego (SEA-SAN) Prices were available within the past 7 days and start at $50 for one-way flights and $100 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Seattle to San Diego with no change fee on selected ...The cheapest month for flights from San Francisco to Seattle is January, where tickets cost S$ 241 on average. On the other hand, the most expensive months are November and …How long is the flight from Seattle to San Francisco? The flight time from Seattle to San Francisco is 2 hours, 7 minutes. The time spent in the air is 1 hour, 41 minutes. These numbers are averages. In reality, it varies by airline with United being the fastest taking 2 hours, 6 minutes, and Delta the slowest taking 2 hours, 8 minutes.From the moment you land, Dublin will open its arms to welcome you. Visitors will adore the city’s vibrant nightlife, rich history and world-renowned attractions. Book your flight to Dublin with Aer Lingus and make your trip an unforgettable experience. 59 Seconds in Dublin | …Flight deals to San Francisco International. Looking for a cheap last-minute deal or the best round-trip flight to San Francisco International? Find the lowest prices on one-way and round-trip tickets right here. Tue, May 7 LAX – SFO with Frontier Airlines. Wed, May 8 SFO – LAX with Frontier Airlines. Wed, Sep 18 LAS – SFO with Frontier ...The cheapest flights to San Francisco Intl. found within the past 7 days were $131 round trip and one way. Prices and availability subject to change. Additional terms may apply. Tue, May 7 - Tue, May 7. SEA. Seattle. SFO. San Francisco.The two airlines most popular with KAYAK users for flights from Seattle to San Francisco are Alaska Airlines and Delta. With an average price for the route of C$ 242 and an overall rating of 8.1, Alaska Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of C$ 188 and an overall rating of 8.0. The cheapest flights to San Francisco Intl. found within the past 7 days were $124 round trip and $54 one way. ... Nov 13 from Seattle to San Francisco, returning Wed ... United flights from Seattle to Lihue from$ 350*. United flights from Seattle to Lihue from. $ 350. *. 1 Passenger, Economy. Home. United flights. Flights to United States. Seattle - Lihue.American Airlines flights. Flights to United States. Flights to Seattle. Find low-fare American Airlines flights to Seattle. Enjoy our travel experience and great prices. Book the lowest fares on Seattle flights today!Cheap Flights from Seattle to Lamezia Terme (SEA-SUF) Prices were available within the past 7 days and start at $830 for one-way flights and $862 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Seattle to Lamezia Terme with no change fee on ... The cheapest month for flights from Seattle to San Francisco is January, where tickets cost ₹ 14,825 on average. On the other hand, the most expensive months are December and July, where the average cost of tickets is ₹ 18,822 and ₹ 17,740 respectively. Cheap Flights from Seattle to Los Angeles (SEA-LAX) Prices were available within the past 7 days and start at $60 for one-way flights and $111 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Book one-way or return flights from Seattle to Los Angeles with no change fee on selected ...However, on the Coast Starlight Amtrak to Seattle (SEA) you may choose between Coach Class, Business Class, or a Sleeper car as it is a night train. 25% of our users found round-trip train tickets from San Francisco to Seattle for $210 or less. You will generally catch the best train deals if you travel in the afternoon.Each day, there are between 18 and 26 nonstop flights that take off from Seattle and land in Chicago O'Hare Intl Airport, with an average flight time of 4h 05m. The most common departure time is 13:00 and most flights take off in the morning. Each week, there are 158 flights. The most frequent day of departure is Monday, when 16% of all weekly ...All flight schedules from Seattle Tacoma International , Washington , USA to San Francisco International , California , USA . This route is operated by 3 airline (s), and the flight time is 2 hours and 26 minutes. The distance is 683 miles.Find cheap one-way flights from Seattle to San Francisco starting at CNY 53. We've found these cheap flights for you. You can book one-way or round-trip flight tickets. One way. Round-trip. SEA 14:27. 18h 40m. 1 stop. SFO 09:07. Thu, May 23 | Seattle - San Francisco | Frontier Airlines. CNY 53 CNY 82. 35% OFF. Search. 35% OFF. CNY 82 CNY 53 ...Flight deals to San Francisco International. Looking for a cheap last-minute deal or the best round-trip flight to San Francisco International? Find the lowest prices on one-way and round-trip tickets right here. Tue, May 7 LAX – SFO with Frontier Airlines. Wed, May 8 SFO – LAX with Frontier Airlines. Wed, Sep 18 LAS – SFO with Frontier ...
2h 16m. 1161 (1868 km) The flight times and layover times in the table above are approximate and vary depending on flight number, aircraft, airline, weather and time of day.Seattle to San Francisco flight routes illustrated on a map. Ad. The best routes and connecting flights from Seattle Tacoma International to San Francisco International. . Sudy
Check Prices. Flight schedule. su. mo. tu. we. th. fr. sa. Distance. 678 miles · (1,091 km) Flight time. 2 hours and 10 minutes. Airlines. Alaska. Delta. United Airlines. Alliances. …Passengers on flights arriving at Terminal 2 or Terminal 3 may transfer to the International Terminal "G" Gates via a connector walkway that links the two gate areas. The entrance to the connector is located post-security in Terminal 3 near Gate F1, and the exit is located post-security in International Terminal Boarding Area G near Gate G1. ...Prices were available within the past 7 days and start at $70 for one-way flights and $139 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals. One way. Roundtrip. Wed, May 22 - … The cheapest month for flights from Seattle to San Francisco is January, where tickets cost ₹ 14,825 on average. On the other hand, the most expensive months are December and July, where the average cost of tickets is ₹ 18,822 and ₹ 17,740 respectively. Use Google Flights to explore cheap flights to anywhere. Search destinations and track prices to find and book your next flight. The best way to get from San Francisco to Seattle is to fly which takes 3h 49m and costs $80 - $320. Alternatively, you can bus, which costs $70 - $240 and takes 18h 45m, you could also train, which costs $35 - $290 and takes 23h 52m. Mode details Launch map view. Distance: 712.1 miles ...Flight Status & Notifications. All fields required. Search by. From City or Airport. To City or Airport. Departure Date Selected Departure date 2024AprilWednesday24. Open calender and then use pageup and pagedown to navigate between months and alt + pageup and alt + pagedown for years. San Francisco (SFO), CA to Seattle/Tacoma, WA. departing on 9/7. one-way starting at*. $148. Book now. * Restrictions and exclusions apply. Seats and dates are limited. Select markets. 21 travel days available. Prices were available within the past 7 days and start at $70 for one-way flights and $133 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals. One way. Roundtrip. Wed, Oct 9 - Wed, Oct 9. SEA. Seattle. Nov 27, 2021 · In short, Alaska Airlines has scheduled 680 flights on the 737 MAX 9 in December. A whopping 514 of those 680 scheduled flights touches Seattle. 401 of 680 scheduled flights touch a point in Hawaii. As is evident from the top routes, most of Alaska's 737 MAX flights scheduled in December are between Seattle and either Honolulu or Kona.Jan 19, 2024 · 5x points per dollar spent on flights purchased directly with the airline or with AmexTravel.com (up to $500,000 per year) ... Seattle (SEA) – Taipei (TPE) round-trip for 150,000 miles and $61 in taxes and fees in EVA Air business class;There are 2 airlines that fly nonstop from San Francisco to Austin. They are Alaska Airlines and United Airlines. The cheapest airline for this route is Alaska Airlines, with the best one-way deal found costing $129. On average, the best prices for this route can be found at Alaska Airlines. Cheap flights from Seattle (SEA) to San Francisco (SFO) Prices were available within the past 7 days and start at CA $95 for one-way flights and CA $161 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. Passengers on flights arriving at Terminal 2 or Terminal 3 may transfer to the International Terminal "G" Gates via a connector walkway that links the two gate areas. The entrance to the connector is located post-security in Terminal 3 near Gate F1, and the exit is located post-security in International Terminal Boarding Area G near Gate G1. ...Book one-way or return flights from Seattle Paine Field Intl. Airport to San Francisco with no change fee on selected flights. Earn your airline miles on top of our rewards! Get great 2024 flight deals from Seattle Paine Field Intl. Airport to San Francisco now!Which airlines provide the cheapest flights from Seattle to St. Louis? In the last 72 hours, the cheapest one-way ticket from Seattle to St. Louis found on KAYAK was with Frontier for $65. Frontier proposed a round-trip connection from $124 and American Airlines from $195. The cheapest month for flights from Seattle to San Francisco is January, where tickets cost ₹ 14,825 on average. On the other hand, the most expensive months are December and July, where the average cost of tickets is ₹ 18,822 and ₹ 17,740 respectively. .