$88+ 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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SEA
May 17 — May 241
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 September, booked 71 days in advance, depart on a Friday or Thursday and return on a Friday
Cheap flight deals from San Francisco to Seattle
Cheapest
Best
Last-minute
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 April 17, 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 April 17, 2026.
This Expedia deal was found by Cheapflights users on 4/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:00 am
SFO
- SEA
1 stop27h 49m
Frontier
Wed 5/611:06 am
SEA
- SFO
1 stop8h 37m
Frontier
Deal found 4/13![Frontier logo]()
$140
This Expedia deal was found by Cheapflights users on 4/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/610:25 am
SFO
- SEA
Nonstop2h 19m
Multiple Airlines
Mon 5/1111:06 am
SEA
- SFO
1 stop7h 25m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$149
This CheapOair deal was found by Cheapflights users on 4/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/611:26 am
SFO
- SEA
1 stop22h 56m
Frontier
Tue 5/1211:06 am
SEA
- SFO
1 stop8h 37m
Frontier
Deal found 4/12![Frontier logo]()
$151
This Alaska Airlines deal was found by Cheapflights users on 4/12. 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.
Wed 5/69:00 am
SFO
- SEA
Nonstop2h 22m
Alaska Airlines
Wed 5/62:53 pm
SEA
- SFO
Nonstop2h 21m
Alaska Airlines
Deal found 4/12![Alaska Airlines logo]()
$152
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 5/1310:14 am
SFO
- SEA
Nonstop2h 16m
Alaska Airlines
Wed 5/201:50 pm
SEA
- SFO
Nonstop2h 14m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$153
This Expedia deal was found by Cheapflights users on 4/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/610:25 am
SFO
- SEA
Nonstop2h 19m
Multiple Airlines
Tue 5/1211:06 am
SEA
- SFO
1 stop8h 37m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$154
This Trip.com deal was found by Cheapflights users on 4/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/912:52 pm
SFO
- SEA
1 stop20h 57m
Frontier
Mon 5/117:50 pm
SEA
- SFO
1 stop28h 33m
Frontier
Deal found 4/15![Frontier logo]()
$155
This Delta deal was found by Cheapflights users on 4/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/62:57 pm
SFO
- SEA
Nonstop2h 19m
Delta
Wed 5/139:45 pm
SEA
- SFO
Nonstop2h 20m
Delta
Deal found 4/15![Delta logo]()
$157
This Expedia deal was found by Cheapflights users on 4/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:00 am
SFO
- SEA
Nonstop2h 17m
Multiple Airlines
Thu 5/711:06 am
SEA
- SFO
1 stop7h 15m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$169
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 April 17, 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 April 17, 2026.
This Southwest deal was found by Cheapflights users on 4/14. 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 6/235:20 pm
SFO
- SEA
2 stops7h 20m
Southwest
Wed 6/243:00 pm
SEA
- SFO
1 stop7h 30m
Southwest
Deal found 4/14![Southwest logo]()
$178
This United Airlines deal was found by Cheapflights users on 4/12. 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.
Wed 6/247:00 am
SFO
- SEA
Nonstop2h 22m
United Airlines
Sun 6/287:00 am
SEA
- SFO
Nonstop2h 18m
United Airlines
Deal found 4/12![United Airlines logo]()
$207
This Delta deal was found by Cheapflights users on 4/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/68:00 pm
SFO
- SEA
Nonstop2h 20m
Delta
Mon 5/119:45 pm
SEA
- SFO
Nonstop2h 20m
Delta
Deal found 4/15![Delta logo]()
$209
This Alaska Airlines deal was found by Cheapflights users on 4/12. 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.
Wed 7/2210:18 am
SFO
- SEA
Nonstop2h 09m
Alaska Airlines
Tue 7/286:03 am
SEA
- SFO
1 stop5h 24m
Alaska Airlines
Deal found 4/12![Alaska Airlines logo]()
$287
This Delta deal was found by Cheapflights users on 4/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/175:55 am
SFO
- SEA
Nonstop2h 22m
Delta
Sat 6/62:45 pm
SEA
- SFO
Nonstop2h 12m
Delta
Deal found 4/13![Delta logo]()
$227
This Southwest deal was found by Cheapflights users on 4/12. 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.
Tue 6/95:00 am
SFO
- SEA
2 stops8h 35m
Southwest
Tue 6/94:35 pm
SEA
- SFO
1 stop6h 40m
Southwest
Deal found 4/12![Southwest logo]()
$242
This Delta deal was found by Cheapflights users on 4/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/155:55 am
SFO
- SEA
Nonstop2h 22m
Delta
Mon 5/189:45 pm
SEA
- SFO
Nonstop2h 20m
Delta
Deal found 4/13![Delta logo]()
$229
This Delta deal was found by Cheapflights users on 4/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/245:55 am
SFO
- SEA
Nonstop2h 22m
Delta
Thu 5/2810:00 am
SEA
- SFO
Nonstop2h 29m
Delta
Deal found 4/16![Delta logo]()
$229
This Southwest deal was found by Cheapflights users on 4/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/223:00 pm
SFO
- SEA
2 stops7h 30m
Southwest
Tue 5/2611:35 am
SEA
- SFO
2 stops8h 20m
Southwest
Deal found 4/11![Southwest logo]()
$281
This Delta deal was found by Cheapflights users on 4/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/95:37 pm
SFO
- SEA
Nonstop2h 18m
Delta
Mon 5/119:45 pm
SEA
- SFO
Nonstop2h 20m
Delta
Deal found 4/15![Delta logo]()
$239
This Delta deal was found by Cheapflights users on 4/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/315:55 am
SFO
- SEA
Nonstop2h 22m
Delta
Sun 6/77:20 am
SEA
- SFO
Nonstop2h 19m
Delta
Deal found 4/16![Delta logo]()
$257
This Delta deal was found by Cheapflights users on 4/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/25:59 am
SFO
- SEA
Nonstop2h 20m
Delta
Wed 5/67:00 am
SEA
- SFO
Nonstop2h 22m
Delta
Deal found 4/14![Delta logo]()
$269
Last-minute flights from San Francisco to SeattleDiscover last-minute flight deals from San Francisco to Seattle. Data last updated April 17, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Seattle. Data last updated April 17, 2026 and is based on user searches.
This Expedia deal was found by Cheapflights users on 4/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:00 am
SFO
- SEA
1 stop27h 49m
Frontier
Wed 5/611:06 am
SEA
- SFO
1 stop8h 37m
Frontier
Deal found 4/13![Frontier logo]()
$140
This Expedia deal was found by Cheapflights users on 4/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:00 am
SFO
- SEA
Nonstop2h 17m
Multiple Airlines
Thu 5/711:06 am
SEA
- SFO
1 stop7h 15m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$169
This Expedia deal was found by Cheapflights users on 4/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/610:25 am
SFO
- SEA
Nonstop2h 19m
Multiple Airlines
Mon 5/1111:06 am
SEA
- SFO
1 stop7h 25m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$149
This CheapOair deal was found by Cheapflights users on 4/12. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/611:26 am
SFO
- SEA
1 stop22h 56m
Frontier
Tue 5/1211:06 am
SEA
- SFO
1 stop8h 37m
Frontier
Deal found 4/12![Frontier logo]()
$151
This Alaska Airlines deal was found by Cheapflights users on 4/12. 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.
Wed 5/69:00 am
SFO
- SEA
Nonstop2h 22m
Alaska Airlines
Wed 5/62:53 pm
SEA
- SFO
Nonstop2h 21m
Alaska Airlines
Deal found 4/12![Alaska Airlines logo]()
$152
This Expedia deal was found by Cheapflights users on 4/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/610:25 am
SFO
- SEA
Nonstop2h 19m
Multiple Airlines
Tue 5/1211:06 am
SEA
- SFO
1 stop8h 37m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$154
This Delta deal was found by Cheapflights users on 4/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/62:57 pm
SFO
- SEA
Nonstop2h 19m
Delta
Wed 5/139:45 pm
SEA
- SFO
Nonstop2h 20m
Delta
Deal found 4/15![Delta logo]()
$157
This Trip.com deal was found by Cheapflights users on 4/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/912:52 pm
SFO
- SEA
1 stop20h 57m
Frontier
Mon 5/117:50 pm
SEA
- SFO
1 stop28h 33m
Frontier
Deal found 4/15![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 4/15. 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 5/1310:14 am
SFO
- SEA
Nonstop2h 16m
Alaska Airlines
Wed 5/201:50 pm
SEA
- SFO
Nonstop2h 14m
Alaska Airlines
Deal found 4/15![Alaska Airlines logo]()
$153
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 April 17, 2026.
Search for one-way flight options from San Francisco to Seattle. Find affordable one-way fares based on user searches. Data last updated April 17, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/14. 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 6/69:34 am
SFO
- SEA
1 stop9h 31m
Frontier
Deal found 4/14![Frontier logo]()
$88
This Southwest deal was found by Cheapflights users on 4/13. 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.
Tue 6/1610:50 am
SFO
- SEA
1 stop6h 00m
Southwest
Deal found 4/13![Southwest logo]()
$89
This Frontier deal was found by Cheapflights users on 4/13. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/911:13 am
SFO
- SEA
1 stop7h 44m
Frontier
Deal found 4/13![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 4/14. 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.
Thu 5/289:34 am
SFO
- SEA
1 stop9h 31m
Frontier
Deal found 4/14![Frontier logo]()
$93
This Southwest deal was found by Cheapflights users on 4/13. 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 5/611:25 am
SFO
- SEA
2 stops11h 30m
Southwest
Deal found 4/13![Southwest logo]()
$94
This Frontier deal was found by Cheapflights users on 4/14. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/3011:13 am
SFO
- SEA
1 stop7h 44m
Frontier
Deal found 4/14![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 4/13. 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.
Mon 5/48:16 pm
SFO
- SEA
2 stops22h 19m
Multiple Airlines
Deal found 4/13![Multiple Airlines logo]()
$98
This Trip.com deal was found by Cheapflights users on 4/12. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/116:00 am
SFO
- SEA
1 stop27h 49m
Frontier
Deal found 4/12![Frontier logo]()
$99
This Super.com deal was found by Cheapflights users on 4/14. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/219:34 am
SFO
- SEA
1 stop9h 31m
Frontier
Deal found 4/14![Frontier logo]()
$100
This Frontier deal was found by Cheapflights users on 4/16. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/249:34 am
SFO
- SEA
1 stop9h 31m
Frontier
Deal found 4/16![Frontier logo]()
$101
This CheapOair deal was found by Cheapflights users on 4/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/286:29 pm
SFO
- SEA
1 stop23h 13m
Frontier
Deal found 4/14![Frontier logo]()
$102
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 April 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $140 (Expedia) |
One-way from | $88 (Kiwi.com) |
Popular in | November |
Cheapest in | February |
Average price | $267 |
Good round-trip deal | $268 or less |
Good one-way deal | $171 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 April 17, 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 6/23
5:20 pm-12:40 am
2 stops7h 20m
Seattle/Tacoma Intl
Wed 6/24
3:00 pm-10:30 pm
1 stop7h 30m
$178
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Wed 6/24
7:00 am-9:22 am
Nonstop2h 22m
Seattle/Tacoma Intl
Sun 6/28
7:00 am-9:18 am
Nonstop2h 18m
$207
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Wed 5/6
8:00 pm-10:20 pm
Nonstop2h 20m
Seattle/Tacoma Intl
Mon 5/11
9:45 pm-12:05 am
Nonstop2h 20m
$209
Quickest round-trip
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Sun 5/17
5:55 am-8:17 am
Nonstop2h 22m
Seattle/Tacoma Intl
Sat 6/6
2:45 pm-4:57 pm
Nonstop2h 12m
$227
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Fri 5/15
5:55 am-8:17 am
Nonstop2h 22m
Seattle/Tacoma Intl
Mon 5/18
9:45 pm-12:05 am
Nonstop2h 20m
$229
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Sun 5/24
5:55 am-8:17 am
Nonstop2h 22m
Seattle/Tacoma Intl
Thu 5/28
10:00 am-12:29 pm
Nonstop2h 29m
$229
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Sat 5/9
5:37 pm-7:55 pm
Nonstop2h 18m
Seattle/Tacoma Intl
Mon 5/11
9:45 pm-12:05 am
Nonstop2h 20m
$239
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Tue 6/9
5:00 am-1:35 pm
2 stops8h 35m
Seattle/Tacoma Intl
Tue 6/9
4:35 pm-11:15 pm
1 stop6h 40m
$242
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Sun 5/31
5:55 am-8:17 am
Nonstop2h 22m
Seattle/Tacoma Intl
Sun 6/7
7:20 am-9:39 am
Nonstop2h 19m
$257
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Sat 5/2
5:59 am-8:19 am
Nonstop2h 20m
Seattle/Tacoma Intl
Wed 5/6
7:00 am-9:22 am
Nonstop2h 22m
$269
Showing 1-10 of 23 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 April.
| 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 Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy3 stars | 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
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Delays
How far ahead should I book a flight from San Francisco to Seattle?
Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Seattle. Price data was last updated on April 10, 2026.
The best time to book flights from San Francisco to Seattle is 71 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 $212). Flying from San Francisco to Seattle in November is currently the most expensive (average of $298). 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 April 17, 2026.
A simple way to save on the total cost of your ticket is to fly from San Francisco to Seattle in the afternoon. If you’re flexible enough to do this you can expect to save up to 13% 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 April 11, 2026.
Travelers seeking maximum savings on their San Francisco to Seattle flight should consider departing on Saturday afternoons when fares are most often at their lowest. Saturday evenings 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 14% of weekly flights between San Francisco and Seattle have experienced delays in the past year, with the average delay time being 136 minutes.
What is the most punctual flight time for San Francisco to Seattle flights?
Historically, flights departing in the morning 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 Sunday 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 10% 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 April 17, 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.
Comfort
7.8
Boarding
8.1
Overall
7.9
Entertainment
7.0
Food
7.0
Crew
8.5
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Boarding
8.1
Overall
7.9
Entertainment
7.0
Food
7.0
Crew
8.5
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Boarding
8.1
Overall
7.9
Entertainment
7.0
Food
7.0
Crew
8.5
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Boarding
8.1
Overall
7.9
Entertainment
7.0
Food
7.0
Crew
8.5
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Boarding
8.1
Overall
7.9
Entertainment
7.0
Food
7.0
Crew
8.5
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - SEA
Comfort
7.8
Boarding
8.1
Overall
7.9
Entertainment
7.0
Food
7.0
Crew
8.5
Reviews
1 / 20
8.0
ExcellentEugene,Mar 2026
MFR - 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
Ocean Shores
Olympia
Lynnwood
Lacey
Kent
Edmonds
Leavenworth
Snoqualmie
Tumwater
Tukwila
Renton
Puyallup
Kirkland
Ellensburg
Fife
Lakewood
Issaquah
Shoreline
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San Francisco and Seattle flights
Browse other San Francisco and Seattle flight options. Last updated on April 17, 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 April 17, 2026.
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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 April 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$83 | Average$209 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$88 | Average$196 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$108 | Average$280 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$117 | Average$287 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$132 | Average$287 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$277 | Average$386 | FlexibilityNo cancel fee | On-time71% |