Seattle, WA Airport (SEA-Seattle - Tacoma Intl.) to San Francisco, CA Airport (SFO-San Francisco Intl.) is a short-haul flight of 680 miles (1100 km). You’ll have barely enough time to get comfortable in your seat before your wheels touch down in San Francisco.How to find cheap flights to Seattle (SEA) from San Francisco (SFO) in 2024. Looking for cheap tickets from San Francisco International to Seattle / Tacoma International? Return tickets start from ₹ 10,390 and one-way flights to Seattle / Tacoma International from San Francisco International start from ₹ 5,267.The total flight duration from Seattle, WA to San Francisco, CA is 1 hour, 43 minutes. This is the average in-air flight time (wheels up to wheels down on the runway) based on actual flights taken over the past year, including routes like SEA to SFO . It covers the entire time on a typical commercial flight including take-off and landing.Use Google Flights to explore cheap flights to anywhere. Search destinations and track prices to find and book your next flight. Find the best flights fast, track prices, and book …Amazing American Airlines SFO to SEA Flight Deals. The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $181 round trip and $119 one way. Prices and availability subject to change. Additional terms may apply. Mon, Oct 7 - Tue, Oct 8.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...Flights from Seattle (SEA) to San Francisco (SFO) with Alaska Airlines. How much is a flight ticket from Seattle (SEA) - San Francisco (SFO) with Alaska Airlines? ️ Prices were available within the past 7 days and start at for one-way flights and for roundtrip, for the period specified. Prices and availability are subject to change.Use Google Flights to explore cheap flights to anywhere. Search destinations and track prices to find and book your next flight. Find the best flights fast, track prices, and book …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 ...The two airlines most popular with KAYAK users for flights from Tokyo to Seattle are Asiana Airlines and Delta. With an average price for the route of $1,217 and an overall rating of 8.3, Asiana Airlines is the most popular choice. Delta is also a great choice for the route, with an average price of $1,285 and an overall rating of 8.0.Featured daily fares for flights from Bishop/Mammoth (BIH) to San Francisco (SFO) Find United Airlines cheap flights from Bishop/Mammoth to San Francisco. Enjoy a Bishop/Mammoth to San Francisco modern flight experience in premium cabins with …Seattle. $67 per passenger. Departing Thu, 16 May. One-way flight with Frontier Airlines. Outbound indirect flight with Frontier Airlines, departs from San Francisco International on Thu, 16 May, arriving in Seattle / Tacoma International.Cheap Flights from San Jose to Seattle (SJC-SEA) Prices were available within the past 7 days and start at $76 for one-way flights and $147 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 Jose to Seattle with no change fee on selected flights. Sat, May 4 SEA – SFO with Frontier Airlines. 1 stop. from C$135. Seattle.C$183 per passenger.Departing Tue, May 7, returning Tue, May 7.Round-trip flight with Delta.Outbound direct flight with Delta departing from San Francisco International on Tue, May 7, arriving in Seattle / Tacoma International.Inbound direct flight with Delta departing ... Flights from San Francisco to Seattle Ave. Duration 2h 8m When Every day Estimated price $70 - $330 Flights from Oakland to Seattle Ave. Duration ... Browse destinations: $126. Alaska Airlines to Seattle. Find and compare Alaska Airlines flights to Seattle (SEA). Fly from the United States with Alaska Airlines to Seattle. From Chicago $59; From San Francisco $66; From Ontario …The two airlines most popular with KAYAK users for flights from Oakland to Seattle are Alaska Airlines and Delta. With an average price for the route of $214 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 $220 and an overall rating of 8.0.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 San …Portland, Oregon to Sacramento. Check Dates. Portland, Oregon to Los Angeles, California. $117. Vancouver to Los Angeles, California. $183. Find flights from Seattle (SEA) to San Francisco (SFO) $78+, FareCompare finds …Cheap Flights from San Francisco to Seoul (SFO-ICN) Prices were available within the past 7 days and start at $514 for one-way flights and $872 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 Seoul with no change fee on selected ...Lowest fares from Seattle to San Francisco. Searching for cheap flights from Seattle to San Francisco? Enjoy comfort, premium cabin legroom and free movies with Alaska Airlines. Find the lowest fares today.Each day, there are between 16 and 19 nonstop flights that take off from San Francisco and land in Washington, D.C., with an average flight time of 5h 15m. The most common departure time is 8:00 am and most flights take off in the morning, while the most flights land at Washington, D.C. Dulles Intl Airport. Each week, there are 125 flights.In-Flight information. The average flying time for a direct flight from San Francisco, CA to Seattle is 2 hours 10 minutes. Most direct flights leave around 15:30 PDT. Alaska Airlines flight #2257 is today's earliest flight from San Francisco, CA to Seattle (6:05 PDT, Embraer ERJ-175) 1h 56m. Direct flights. Every day. Airports in Seattle. 1 airport. The best one-way flight to Seattle from San Francisco Bay Area in the past 72 hours is $69. The best round-trip flight deal from San Francisco Bay Area to Seattle found on momondo in the last 72 hours is $137. The fastest flight from San Francisco Bay Area to Seattle takes 1h 56m. 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. Seattle/Tacoma, WA to San Francisco (SFO), CA. departing on 10/2. one-way starting at*. $138. Book now. * Restrictions and exclusions apply. Seats and dates are limited. Select markets. 31 travel days available. Use Google Flights to find cheap departing flights to San Francisco and to track prices for specific travel dates for your next getaway.The best one-way flight to San Francisco from Seattle in the past 72 hours is $69. The best round-trip flight deal from Seattle to San Francisco found on momondo in the last 72 hours is $131. The fastest flight from Seattle to San Francisco takes 2h 09m. Direct flights go from Seattle to San Francisco every day.Find cheap flights from San Francisco to Seattle from C$ 97. Return. 1 adult. Economy. 0 bags. Sat 18/5. Sat 25/5. Search. Nonstop flights only. Search hundreds of travel sites …SFO. San Francisco International Airport. Seattle / Tacoma. United States. SEA. Seattle–Tacoma International Airport. Check Prices. Flight schedule. su. mo. tu. we. th. … Find the cheapest Business class flights from San Francisco International and Seattle / Tacoma International. We scour the Internet for the best Business, Premium Economy and First Class flight fares to Seattle, too. Check the difference in price as you search – you might just chance upon a last-minute deal. Cheap Flights from Seattle Paine Field Intl. Airport to San Francisco (PAE-SFO) Prices were available within the past 7 days and start at $78 for one-way flights and $148 for round trip, for the period specified. Prices and availability are …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. Sat, May 4 SEA – SFO with Frontier Airlines. 1 stop. from $121. Seattle.$126 per passenger.Departing Tue, Apr 30, returning Wed, May 8.Round-trip flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from San Francisco International on Tue, Apr 30, arriving in Seattle / Tacoma International.Inbound direct flight ... Cheap Flights from San Francisco to Seoul (SFO-ICN) Prices were available within the past 7 days and start at $514 for one-way flights and $872 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 Seoul with no change fee on selected ...Fare price for flights from San Francisco to Seattle. The price of airline tickets for San Francisco - Seattle flights can go up or down a lot depending on a few factors such as the dates you choose for your trip, seasonality and local holidays. The best price recorded in the last 15 days for a San Francisco - Seattle flight is $48. 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 - Wed, May 29. SFO. San Francisco. Ultra Low Fare Flights from Oakland, CA / San Francisco, CA AREA (OAK) to Seattle (SEA) with Spirit from. $93. Fly with Spirit Airlines and get a great deal on flights from Oakland, CA / San Francisco, CA AREA to Seattle. With Spirit's Bare Fare™ You Pay Only the Services You Need!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 ...Amazing JetBlue Airways SEA to SFO Flight Deals. The cheapest flights to San Francisco Intl. found within the past 7 days were $538 round trip and $231 one way. Prices and availability subject to change. Additional terms may apply. Tue, Apr 23 - Sat, Apr 27.Flights from Seattle (SEA) to San Francisco (SFO) with Alaska Airlines. How much is a flight ticket from Seattle (SEA) - San Francisco (SFO) with Alaska Airlines? ️ Prices were available within the past 7 days and start at for one-way flights and for roundtrip, for the period specified. Prices and availability are subject to change.Here are the best domestic and international flights from San Francisco International Airport departing soon. Los Angeles.$37 per passenger.Departing Tue, May 7, returning Thu, May 9.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from San Francisco International on Tue, May 7, arriving in Los ...Flights to San Francisco from Seattle. Cheap flights from Seattle to San Francisco from £235.99. Seattle (United States) - San Francisco (United States) return flights from £127.99. From 08/06/2024 (Saturday) - 11/06/2024 (Tuesday). Check for the dates with the lowest prices and find the cheapest rates. Find flights to Seattle from £56. Fly from San Francisco on Delta, Alaska Airlines, Frontier and more. Search for Seattle flights on KAYAK now to find the best deal. There are 2 airlines that fly nonstop from San Diego to Seattle. They are Alaska Airlines and Delta. The cheapest airline for this route is Alaska Airlines, with the best one-way deal found costing $109. On average, the best prices for this route can be found at Delta.In-Flight information. The average flying time for a direct flight from San Francisco, CA to Seattle is 2 hours 10 minutes. Most direct flights leave around 15:30 PDT. Alaska Airlines flight #2257 is today's earliest flight from San Francisco, CA to Seattle (6:05 PDT, Embraer ERJ-175) 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. Round-trip. expand_more. 1 Passenger. expand_more. From. To. Departure. Apr 27, 2024. today. Return. May 4, 2024. today. Home. Flights. To United States. San …Cheap Flights from Seattle (SEA) to San Francisco International (SFO) from $108 | Skyscanner. Roundtrip One way Multi-city. Depart. 25/04/2024. Return. …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 ...Cheap Flights from San Francisco (SFO) to Seattle (SEA) Prices were available within the past 7 days and start at £56 for one-way flights and £107 for round trip, for the period specified. ... 10 Sep from San Francisco to Seattle Paine Field Intl. Airport, returning Tue, 24 Sep, priced at £112 found 2 days ago. Wed, 16 Oct - Wed, 23 Oct. SFO ... Find flights to Seattle from $116. Fly from San Francisco on Delta, Alaska Airlines, United Airlines and more. Search for Seattle flights on KAYAK now to find the best deal. Route information. Seattle, WA is 680 miles from San Francisco. There are 30 daily flights from Seattle, WA to San Francisco. There are 57 weekly flights from Seattle, WA to San Francisco. 38 non-stop flights are operating from Seattle, WA to San Francisco today. Alaska Airlines has the most nonstop flights between Seattle, WA and San Francisco.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...Airports in Seattle. 1 airport. The best one-way flight to Seattle from San Francisco in the past 72 hours is $70. The best round-trip flight deal from San Francisco to Seattle found on momondo in the last 72 hours is $128. The fastest flight from San Francisco to Seattle takes 2h 08m. Direct flights go from San Francisco to Seattle …Flights from Seattle (SEA) to San Francisco (SFO) with Alaska Airlines. How much is a flight ticket from Seattle (SEA) - San Francisco (SFO) with Alaska Airlines? ️ Prices were available within the past 7 days and start at for one-way flights and for roundtrip, for the period specified. Prices and availability are subject to change. 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 - Wed, May 29. SFO. San Francisco. 09/10/24 - 09/14/24. from. $ 218*. Viewed: 15 hours ago. From. Seattle (SEA) To. San Francisco (SFO) Roundtrip. The cheapest way to get from San Francisco to Seattle costs only $102, and the quickest way takes just 3¾ hours. Find the travel option that best suits you. ... Flights from San Francisco to Seattle Ave. Duration 2h 20m When Every day Estimated price $100 - $350 Flights from San Jose to Seattle Ave. Duration ...Wed, 31 Jul SFO - SEA with Alaska Airlines. Direct. from £109. San Francisco. £109 per passenger.Departing Sat, 8 Jun, returning Tue, 11 Jun.Return flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Seattle / Tacoma International on Sat, 8 Jun, arriving in San Francisco International.Inbound indirect ... San Francisco to Seattle Flights Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from San Francisco to Seattle offer the perfect respite. Not only does exploring Seattle provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the ... Find flights to Seattle from £56. Fly from San Francisco on Delta, Alaska Airlines, Frontier and more. Search for Seattle flights on KAYAK now to find the best deal.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 $217 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 $198 and an overall rating of 8.0.San Francisco to Seattle Flights Whether you’re looking for a grand adventure or just want to get away for a last-minute break, flights from San Francisco to Seattle offer the perfect respite. Not only does exploring Seattle provide the chance to make some magical memories, dip into delectable dishes, and tour the local landmarks, but the ...Each day, there are between 16 and 19 nonstop flights that take off from San Francisco and land in Washington, D.C., with an average flight time of 5h 15m. The most common departure time is 8:00 am and most flights take off in the morning, while the most flights land at Washington, D.C. Dulles Intl Airport. Each week, there are 125 flights.$54 Search for cheap flights deals from SFO to SEA (San Francisco Intl. to Seattle - Tacoma Intl.). We offer cheap direct, non-stop flights including one way and roundtrip tickets. ... Aug 28 from San Francisco to Seattle Paine Field Intl. Airport, returning Tue, Sep 10, priced at $139 found 19 hours ago. Wed, May 15 - Sat, Jun 1. SFO. San ...Book the lowest fares on San Francisco flights today. 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. ... From Seattle (SEA) To San Francisco (SFO) One-way | Main: Depart: Sep 4, 2024: From. $105* Seen: 37 …Round-trip. expand_more. 1 Passenger. expand_more. From. To. Departure. Apr 27, 2024. today. Return. May 4, 2024. today. Home. Flights. To United States. San …Looking to fly from the United States to San Francisco with Alaska Airlines? 25% of our users found flights for the following prices or less: From Everett $143 one-way, $299 round-trip; from Dallas Love Field Airport $387 one-way, $139 round-trip. The cheapest flight to San Francisco with Alaska Airlines found on KAYAK in the last 2 weeks ...Flights to San Francisco from Seattle. Cheap flights from Seattle to San Francisco from £235.99. Seattle (United States) - San Francisco (United States) return flights from £127.99. From 08/06/2024 (Saturday) - 11/06/2024 (Tuesday). Check for the dates with the lowest prices and find the cheapest rates.Flights to Hana, Maui. $268. Flights to Kahului, Maui. $555. Flights to Kapalua, Maui. Find flights to Maui from $134. Fly from San Francisco on American Airlines, Alaska Airlines, Hawaiian Airlines and more. Search for Maui flights on KAYAK now to find the best deal.While the City and County of San Francisco sits at the tip-top of the San Francisco Peninsula between San Francisco Bay and the Pacific, flights land 20 minutes south (without traffic) at the San Francisco International Airport. You’ll find a sprawling collection of neighborhoods and regions to explore in-between.The fastest flight from San Francisco Bay Area to Seattle takes 1h 56m. Direct flights go from San Francisco Bay Area to Seattle every day. There is 1 airport near Seattle: … Find flights to Seattle from $116. Fly from San Francisco on Delta, Alaska Airlines, United Airlines and more. Search for Seattle flights on KAYAK now to find the best deal. It looks like San Diego International to Seattle flights are currently cheapest in May. Mar. from $432. Apr. from $100. May. from $90. Jun. from $154. Jul. from $208. Aug. from $201. Sep. from $219. Oct. from $255. Nov. from $257. Dec. from $266. Jan. ... Cheap round-trip flights from San Francisco International to New York John F. Kennedy. Featured daily fares for flights from Bishop/Mammoth (BIH) to San Francisco (SFO) Find United Airlines cheap flights from Bishop/Mammoth to San Francisco. Enjoy a Bishop/Mammoth to San Francisco modern flight experience in premium cabins with Wi-Fi. Are you searching for American Airlines flights from San Francisco to Chennai? Find the best selections and fly in style. All dates and times are local for the airport listed. Gates and times are subject to change. For the most current information, check the airport monitors. Search for a topic... Find the flight status for a specific Delta Air Lines flight and receive real-time notifications via text or email. Flights to San Francisco, San Francisco Bay Area. $153. Flights to San Jose, San Francisco Bay Area. $237. Flights to Santa Rosa, San Francisco Bay Area. Find flights to San Francisco Bay Area from $49. 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. Compare flight deals to Seattle Boeing Fld from San Francisco International from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flex your dates to find the best San Francisco International-Seattle Boeing Fld ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to ...Sun, May 19 ANC – SFO with Alaska Airlines. Direct. from $430. Anchorage.$433 per passenger.Departing Thu, Oct 17, returning Thu, Oct 24.Round-trip flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departing from San Francisco International on Thu, Oct 17, arriving in Anchorage International.Inbound …Each day, there are between 23 and 30 nonstop flights that take off from Seattle and land in San Francisco, with an average flight time of 2h 12m. The most common departure time is 13:00 and most flights take off in the afternoon. Each week, there are 186 flights. The most frequent day of departure is Sunday, when 16% of all weekly flights depart.Book the lowest fares on San Francisco flights today. 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. ... From Seattle (SEA) To San Francisco (SFO) One-way | Main: Depart: Sep 4, 2024: From. $105* Seen: 37 …Amazing American Airlines SFO to SEA Flight Deals. The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $181 round trip and $119 one way. Prices and availability subject to change. Additional terms may apply. Mon, Oct 7 - Tue, Oct 8.Looking for a cheap flight? 25% of our users found tickets from Seattle to the following destinations at these prices or less: San Francisco $120 one-way - $246 round-trip. Top …Round-trip. expand_more. 1 Passenger. expand_more. From. To. Departure. Apr 27, 2024. today. Return. May 4, 2024. today. Home. Flights. To United States. San …
The cheapest month for flights from San Francisco to Seattle is January, where tickets cost S$ 241 on average. On the other hand, the most expensive months are November …. Miro board
Which is the best airline for flights from San Francisco to Seattle, Alaska Airlines or Delta? The two airlines most popular with KAYAK users for flights from San Francisco to Seattle are Alaska Airlines and Delta. With an average price for the route of $218 and an overall rating of 8.0, Alaska Airlines is the most popular choice.The two airlines most popular with KAYAK users for flights from Oakland to Seattle are Alaska Airlines and Delta. With an average price for the route of $214 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 $220 and an overall rating of 8.0.Search cheap flights from San Francisco Intl. (SFO) to Seattle - Tacoma Intl. (SEA) from $54. Find exclusive deals on flight ticket and save more today. ... Aug 28 from San Francisco to Seattle Paine Field Intl. Airport, returning Tue, Sep 17, priced at $139 found 22 hours ago. Tue, Sep 24 - Wed, Sep 25. SFO. San Francisco. SEA. Seattle. $139 ...Alaska Airlines. ASA1047. B738. Arrived / Gate Arrival. Mon 07:00AM PDT. 09:15AM PDT Mon. San Francisco Int'l (KSFO) - Seattle-Tacoma Intl (KSEA) - Flight Finder - Find and track any flight (airline or private) -- search by origin and destination.Looking to fly from the United States to San Francisco with Alaska Airlines? 25% of our users found flights for the following prices or less: From Everett $143 one-way, $299 round-trip; from Dallas Love Field Airport $387 one-way, $139 round-trip. The cheapest flight to San Francisco with Alaska Airlines found on KAYAK in the last 2 weeks ...Portland, Oregon to Sacramento. Check Dates. Portland, Oregon to Los Angeles, California. $117. Vancouver to Los Angeles, California. $183. Find flights from Seattle (SEA) to San Francisco (SFO) $78+, FareCompare finds … Wed, 31 Jul SFO - SEA with Alaska Airlines. Direct. from £109. San Francisco. £109 per passenger.Departing Sat, 8 Jun, returning Tue, 11 Jun.Return flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Seattle / Tacoma International on Sat, 8 Jun, arriving in San Francisco International.Inbound indirect ... The fastest flight from San Francisco Bay Area to Seattle takes 1h 56m. Direct flights go from San Francisco Bay Area to Seattle every day. There is 1 airport near Seattle: …Round-trip. expand_more. 1 Passenger. expand_more. From. To. Departure. Apr 27, 2024. today. Return. May 4, 2024. today. Home. Flights. To United States. San … 1h 56m. Direct flights. Every day. Airports in Seattle. 1 airport. The best one-way flight to Seattle from San Francisco Bay Area in the past 72 hours is $69. The best round-trip flight deal from San Francisco Bay Area to Seattle found on momondo in the last 72 hours is $137. The fastest flight from San Francisco Bay Area to Seattle takes 1h 56m. Looking for flights from San Francisco? Explore our destination network and book cheap tickets from San Francisco . ... From San Francisco (SFO) To Seattle (SEA) One ... There are 2 airlines that fly nonstop from San Diego to Seattle. They are Alaska Airlines and Delta. The cheapest airline for this route is Alaska Airlines, with the best one-way deal found costing $109. On average, the best prices for this route can be found at Delta. The cheapest month for flights from San Francisco to Seattle is January, where tickets cost S$ 241 on average. On the other hand, the most expensive months are November and December, where the average cost of tickets is S$ 322 and S$ 309 respectively. .