$94+ Cheap flights from San Francisco to Seattle (SFO - SEA)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SEA
Aug 15 — Aug 221
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from San Francisco to Seattle/Tacoma Intl are usually found in February or January, booked 71 days in advance, depart on a Thursday or Friday and return on a Friday
Cheap flight deals from San Francisco to Seattle
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One-way
Cheapest flights from San Francisco to SeattleExplore the most affordable flight options available from San Francisco to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 16, 2026.
Explore the most affordable flight options available from San Francisco to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 16, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:07 pm
SFO
- SEA
1 stop12h 57m
Frontier
Wed 8/1910:34 am
SEA
- SFO
1 stop10h 06m
Frontier
Deal found 7/15![Frontier logo]()
$169
This United Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/289:07 pm
SFO
- SEA
Nonstop2h 19m
United Airlines
Mon 8/317:35 pm
SEA
- SFO
Nonstop2h 22m
United Airlines
Deal found 7/14![United Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:33 pm
SFO
- SEA
1 stop7h 05m
Frontier
Tue 9/110:34 am
SEA
- SFO
1 stop10h 06m
Frontier
Deal found 7/16![Frontier logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/212:33 pm
SFO
- SEA
1 stop7h 05m
Frontier
Wed 9/92:15 pm
SEA
- SFO
1 stop7h 03m
Frontier
Deal found 7/15![Frontier logo]()
$174
This Kiwi.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1110:07 pm
SFO
- SEA
1 stop12h 57m
Frontier
Tue 8/1810:34 am
SEA
- SFO
1 stop10h 06m
Frontier
Deal found 7/14![Frontier logo]()
$175
This Southwest deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/123:05 pm
SFO
- SEA
1 stop5h 55m
Southwest
Wed 8/198:30 am
SEA
- SFO
1 stop8h 25m
Southwest
Deal found 7/13![Southwest logo]()
$177
This United Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:45 pm
SFO
- SEA
Nonstop2h 25m
United Airlines
Thu 8/67:00 am
SEA
- SFO
Nonstop2h 18m
United Airlines
Deal found 7/14![United Airlines logo]()
$178
This United Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:41 am
SFO
- SEA
Nonstop2h 18m
United Airlines
Mon 8/317:35 pm
SEA
- SFO
Nonstop2h 22m
United Airlines
Deal found 7/13![United Airlines logo]()
$179
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/510:07 pm
SFO
- SEA
1 stop12h 57m
Frontier
Wed 8/1210:34 am
SEA
- SFO
1 stop10h 06m
Frontier
Deal found 7/15![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/299:33 am
SFO
- SEA
1 stop10h 05m
Frontier
Wed 9/210:34 am
SEA
- SFO
1 stop10h 06m
Frontier
Deal found 7/14![Frontier logo]()
$181
This Southwest deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:05 pm
SFO
- SEA
2 stops7h 35m
Southwest
Tue 8/2511:40 am
SEA
- SFO
1 stop6h 35m
Southwest
Deal found 7/12![Southwest logo]()
$182
This Trip.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:03 am
SFO
- SEA
Nonstop2h 10m
Alaska Airlines
Wed 8/196:49 am
SEA
- SFO
1 stop8h 03m
Alaska Airlines
Deal found 7/13![Alaska Airlines logo]()
$184
Best flights from San Francisco to SeattleDiscover carefully curated flight deals from San Francisco to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 16, 2026.
Discover carefully curated flight deals from San Francisco to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 16, 2026.
This Southwest deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/114:45 pm
SFO
- SEA
1 stop6h 40m
Southwest
Thu 8/132:05 pm
SEA
- SFO
1 stop9h 00m
Southwest
Deal found 7/14![Southwest logo]()
$177
This United Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/219:07 pm
SFO
- SEA
Nonstop2h 19m
United Airlines
Sun 8/237:00 am
SEA
- SFO
Nonstop2h 17m
United Airlines
Deal found 7/15![United Airlines logo]()
$187
This Alaska Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:22 pm
SFO
- SEA
Nonstop2h 18m
Alaska Airlines
Wed 8/265:44 pm
SEA
- SFO
Nonstop2h 15m
Alaska Airlines
Deal found 7/14![Alaska Airlines logo]()
$207
This Delta deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:20 am
SFO
- SEA
Nonstop2h 11m
Delta
Sun 8/167:20 am
SEA
- SFO
Nonstop2h 18m
Delta
Deal found 7/12![Delta logo]()
$212
This Southwest deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:00 am
SFO
- SEA
1 stop7h 55m
Southwest
Mon 8/249:10 am
SEA
- SFO
1 stop5h 30m
Southwest
Deal found 7/15![Southwest logo]()
$177
This Southwest deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/264:45 pm
SFO
- SEA
1 stop6h 40m
Southwest
Wed 9/211:40 am
SEA
- SFO
2 stops7h 25m
Southwest
Deal found 7/12![Southwest logo]()
$182
This Alaska Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/37:00 am
SFO
- SEA
Nonstop2h 08m
Alaska Airlines
Wed 9/97:24 pm
SEA
- SFO
Nonstop2h 15m
Alaska Airlines
Deal found 7/12![Alaska Airlines logo]()
$210
This United Airlines deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:25 pm
SFO
- SEA
Nonstop2h 18m
United Airlines
Mon 8/3110:55 am
SEA
- SFO
Nonstop2h 20m
United Airlines
Deal found 7/12![United Airlines logo]()
$212
This Southwest deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/59:35 am
SFO
- SEA
2 stops10h 40m
Southwest
Wed 8/129:25 am
SEA
- SFO
2 stops7h 35m
Southwest
Deal found 7/15![Southwest logo]()
$187
This Delta deal was found by Cheapflights users on 7/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:40 am
SFO
- SEA
Nonstop2h 11m
Delta
Wed 9/910:53 am
SEA
- SFO
Nonstop2h 18m
Delta
Deal found 7/11![Delta logo]()
$237
This Southwest deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2812:30 pm
SFO
- SEA
1 stop7h 05m
Southwest
Mon 8/319:10 am
SEA
- SFO
1 stop7h 20m
Southwest
Deal found 7/15![Southwest logo]()
$192
This Southwest deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:00 am
SFO
- SEA
1 stop5h 45m
Southwest
Mon 9/149:10 am
SEA
- SFO
1 stop5h 30m
Southwest
Deal found 7/16![Southwest logo]()
$192
Last-minute flights from San Francisco to SeattleDiscover last-minute flight deals from San Francisco to Seattle. Data last updated July 16, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Seattle. Data last updated July 16, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/48:45 pm
SFO
- SEA
Nonstop2h 25m
United Airlines
Thu 8/67:00 am
SEA
- SFO
Nonstop2h 18m
United Airlines
Deal found 7/14![United Airlines logo]()
$178
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/510:07 pm
SFO
- SEA
1 stop12h 57m
Frontier
Wed 8/1210:34 am
SEA
- SFO
1 stop10h 06m
Frontier
Deal found 7/15![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1110:07 pm
SFO
- SEA
1 stop12h 57m
Frontier
Tue 8/1810:34 am
SEA
- SFO
1 stop10h 06m
Frontier
Deal found 7/14![Frontier logo]()
$175
This Kiwi.com deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:07 pm
SFO
- SEA
1 stop12h 57m
Frontier
Wed 8/1910:34 am
SEA
- SFO
1 stop10h 06m
Frontier
Deal found 7/15![Frontier logo]()
$169
This Southwest deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/123:05 pm
SFO
- SEA
1 stop5h 55m
Southwest
Wed 8/198:30 am
SEA
- SFO
1 stop8h 25m
Southwest
Deal found 7/13![Southwest logo]()
$177
This Trip.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:03 am
SFO
- SEA
Nonstop2h 10m
Alaska Airlines
Wed 8/196:49 am
SEA
- SFO
1 stop8h 03m
Alaska Airlines
Deal found 7/13![Alaska Airlines logo]()
$184
This Southwest deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:05 pm
SFO
- SEA
2 stops7h 35m
Southwest
Tue 8/2511:40 am
SEA
- SFO
1 stop6h 35m
Southwest
Deal found 7/12![Southwest logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:33 pm
SFO
- SEA
1 stop7h 05m
Frontier
Tue 9/110:34 am
SEA
- SFO
1 stop10h 06m
Frontier
Deal found 7/16![Frontier logo]()
$173
This United Airlines deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:41 am
SFO
- SEA
Nonstop2h 18m
United Airlines
Mon 8/317:35 pm
SEA
- SFO
Nonstop2h 22m
United Airlines
Deal found 7/13![United Airlines logo]()
$179
This United Airlines deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/289:07 pm
SFO
- SEA
Nonstop2h 19m
United Airlines
Mon 8/317:35 pm
SEA
- SFO
Nonstop2h 22m
United Airlines
Deal found 7/14![United Airlines logo]()
$172
This Kiwi.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/299:33 am
SFO
- SEA
1 stop10h 05m
Frontier
Wed 9/210:34 am
SEA
- SFO
1 stop10h 06m
Frontier
Deal found 7/14![Frontier logo]()
$181
One-way flights from San Francisco to SeattleSearch for one-way flight options from San Francisco to Seattle. Find affordable one-way fares based on user searches. Data last updated July 16, 2026.
Search for one-way flight options from San Francisco to Seattle. Find affordable one-way fares based on user searches. Data last updated July 16, 2026.
This United Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/189:07 pm
SFO
- SEA
Nonstop2h 19m
United Airlines
Deal found 7/15![United Airlines logo]()
$94
This Kiwi.com deal was found by Cheapflights users on 7/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:56 pm
SFO
- SEA
1 stop13h 43m
Frontier
Deal found 7/16![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/109:05 pm
SFO
- SEA
1 stop13h 59m
Frontier
Deal found 7/14![Frontier logo]()
$97
This United Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/54:27 pm
SFO
- SEA
Nonstop2h 20m
United Airlines
Deal found 7/15![United Airlines logo]()
$99
This Southwest deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/59:35 am
SFO
- SEA
2 stops9h 35m
Southwest
Deal found 7/14![Southwest logo]()
$100
This Kiwi.com deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/89:05 pm
SFO
- SEA
1 stop13h 59m
Frontier
Deal found 7/12![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/299:33 am
SFO
- SEA
1 stop10h 05m
Frontier
Deal found 7/13![Frontier logo]()
$103
This Southwest deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:05 am
SFO
- SEA
1 stop5h 35m
Southwest
Deal found 7/15![Southwest logo]()
$104
This KAYAK deal was found by Cheapflights users on 7/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:20 am
SFO
- SEA
Nonstop2h 11m
Delta
Deal found 7/14![Delta logo]()
$108
This United Airlines deal was found by Cheapflights users on 7/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/149:07 pm
SFO
- SEA
Nonstop2h 19m
United Airlines
Deal found 7/15![United Airlines logo]()
$109
This Kiwi.com deal was found by Cheapflights users on 7/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/78:23 pm
SFO
- SEA
1 stop21h 28m
Frontier
Deal found 7/12![Frontier logo]()
$110
This Kiwi.com deal was found by Cheapflights users on 7/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/107:30 pm
SFO
- SEA
1 stop22h 56m
Frontier
Deal found 7/13![Frontier logo]()
$111
Find flight deals from San Francisco to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $169 (Kiwi.com) |
One-way from | $94 (United Airlines) |
Popular in | July |
Cheapest in | February |
Average price | $341 |
Good round-trip deal | $288 or less |
Good one-way deal | $186 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 16, 2026.
Use the filters below to find and compare flights from San Francisco to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Tue 8/11
4:45 pm-11:25 pm
1 stop6h 40m
Seattle/Tacoma Intl
Thu 8/13
2:05 pm-11:05 pm
1 stop9h 00m
$177
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Sat 8/22
5:00 am-12:55 pm
1 stop7h 55m
Seattle/Tacoma Intl
Mon 8/24
9:10 am-2:40 pm
1 stop5h 30m
$177
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Wed 8/26
4:45 pm-11:25 pm
1 stop6h 40m
Seattle/Tacoma Intl
Wed 9/2
11:40 am-7:05 pm
2 stops7h 25m
$182
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Fri 8/21
9:07 pm-11:26 pm
Nonstop2h 19m
Seattle/Tacoma Intl
Sun 8/23
7:00 am-9:17 am
Nonstop2h 17m
$187
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Wed 8/5
9:35 am-8:15 pm
2 stops10h 40m
Seattle/Tacoma Intl
Wed 8/12
9:25 am-5:00 pm
2 stops7h 35m
$187
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Fri 8/28
12:30 pm-7:35 pm
1 stop7h 05m
Seattle/Tacoma Intl
Mon 8/31
9:10 am-4:30 pm
1 stop7h 20m
$192
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Sun 9/13
6:00 am-11:45 am
1 stop5h 45m
Seattle/Tacoma Intl
Mon 9/14
9:10 am-2:40 pm
1 stop5h 30m
$192
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Fri 8/21
7:22 pm-9:40 pm
Nonstop2h 18m
Seattle/Tacoma Intl
Wed 8/26
5:44 pm-7:59 pm
Nonstop2h 15m
$207
Quickest round-trip
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Thu 9/3
7:00 am-9:08 am
Nonstop2h 08m
Seattle/Tacoma Intl
Wed 9/9
7:24 pm-9:39 pm
Nonstop2h 15m
$210
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Mon 8/10
6:20 am-8:31 am
Nonstop2h 11m
Seattle/Tacoma Intl
Sun 8/16
7:20 am-9:38 am
Nonstop2h 18m
$212
Showing 1-10 of 24 resultsSorted by cheapest first
Compare providers for flights from San Francisco to Seattle
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Seattle in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Francisco-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Francisco to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from San Francisco with our price prediction graph.
SFO-SEA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Francisco to Seattle
Prices
Airlines
Delays
How far ahead should I book a flight from San Francisco to Seattle?
The best time to book flights from San Francisco to Seattle is 50 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from San Francisco to Seattle?
Currently, February is the cheapest month in which you can book a flight from San Francisco to Seattle (average of $210). Flying from San Francisco to Seattle in July is currently the most expensive (average of $341). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SFO to SEA?
Find hourly flight availability from San Francisco to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 16, 2026.
A simple way to save on the total cost of your ticket is to fly from San Francisco to Seattle in the evening. If you’re flexible enough to do this you can expect to save up to 20% on your trip compared to booking a flight at noon.
What is the cheapest day to fly from San Francisco to Seattle?
Use this chart to determine the cheapest time to fly round-trip from San Francisco to Seattle. Price data was last updated on July 11, 2026.
Travelers seeking maximum savings on their San Francisco to Seattle flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from San Francisco to Seattle delayed?
About 16% of weekly flights between San Francisco and Seattle have experienced delays in the past year, with the average delay time being 133 minutes.
What is the most punctual flight time for San Francisco to Seattle flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on San Francisco to Seattle flights?
Over the last year, Delta have had the lowest number of delays on this route, with just 13% of flights being delayed.
The best insider tips for San Francisco to Seattle flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San Francisco to Seattle trip
Our travel experts
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated July 16, 2026.
Read through reviews of airlines operating flights from San Francisco to Seattle, such as Alaska Airlines,Delta, andHawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Comfort
7.8
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Boarding
8.1
Comfort
7.8
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Boarding
8.1
Comfort
7.8
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Boarding
8.1
Comfort
7.8
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Boarding
8.1
Comfort
7.8
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Boarding
8.1
Comfort
7.8
Crew
8.5
Entertainment
7.0
Food
7.0
Overall
7.9
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsSeaTac
Tacoma
Lacey
Leavenworth
Olympia
Ocean Shores
Edmonds
Snoqualmie
Tumwater
Tukwila
Renton
Kent
Lynnwood
Puyallup
Ellensburg
Fife
Marysville
Lakewood
Issaquah
Shoreline
Browse thousands of different options on Cheapflights for your next trip
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Search flights from San Francisco to Seattle by cabin class
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San Francisco and Seattle flights
Browse other San Francisco and Seattle flight options. Last updated on July 16, 2026.
Other flights from San Francisco
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on July 16, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to Seattle
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 16, 2026.
Top 6 airlines flying from San Francisco to Seattle
Discover the top 6 airlines that operate flights from San Francisco to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$83 | Average$245 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$84 | Average$224 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$103 | Average$305 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$117 | Average$307 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$130 | Average$319 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$287 | Average$417 | FlexibilityNo cancel fee | On-time71% |