$92+ Cheap flights from Seattle to San Francisco (SEA - SFO)
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 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SFO
Sep 20 — Sep 271
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to San Francisco 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 Seattle/Tacoma Intl to San Francisco are usually found in January or October, booked 58 days in advance, depart on a Friday or Thursday and return on a Thursday
Cheap flight deals from Seattle to San Francisco
Cheapest
Best
Last-minute
One-way
Cheapest flights from Seattle to San FranciscoExplore the most affordable flight options available from Seattle to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2026.
Explore the most affordable flight options available from Seattle to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 21, 2026.
This Trip.com deal was found by Cheapflights users on 8/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:27 pm -
1 stop7h 47m
Tue 9/227:11 pm -
1 stop14h 31m
Deal found 8/16![Frontier logo]()
$163
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Thu 9/101:41 pm -
Nonstop2h 15m
Mon 9/1410:24 pm -
1 stop11h 18m
Deal found 8/16![Multiple Airlines logo]()
$164
This Expedia deal was found by Cheapflights users on 8/20. 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.
Fri 9/259:45 pm -
1 stop16h 44m
Mon 9/2810:24 pm -
1 stop11h 18m
Deal found 8/20![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 9/249:45 pm -
1 stop10h 29m
Wed 9/307:00 am -
Nonstop2h 08m
Deal found 8/20![Multiple Airlines logo]()
$166
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 9/254:27 pm -
1 stop7h 47m
Sat 9/266:21 pm -
Nonstop2h 11m
Deal found 8/20![Multiple Airlines logo]()
$167
This Frontier deal was found by Cheapflights users on 8/16. 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.
Sat 9/199:45 pm -
1 stop10h 29m
Tue 9/229:00 am -
1 stop9h 36m
Deal found 8/16![Frontier logo]()
$168
This Trip.com deal was found by Cheapflights users on 8/20. 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.
Fri 9/118:41 am -
Nonstop2h 18m
Thu 9/246:00 am -
Nonstop2h 08m
Deal found 8/20![Alaska Airlines logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 10/307:36 pm -
Nonstop2h 13m
Fri 11/611:42 am -
1 stop6h 03m
Deal found 8/18![Multiple Airlines logo]()
$171
This Expedia deal was found by Cheapflights users on 8/20. 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.
Fri 9/189:45 pm -
1 stop20h 39m
Fri 9/258:24 pm -
1 stop13h 18m
Deal found 8/20![Frontier logo]()
$172
This Trip.com deal was found by Cheapflights users on 8/20. 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.
Thu 9/178:41 am -
Nonstop2h 18m
Thu 9/246:04 am -
1 stop9h 04m
Deal found 8/20![Multiple Airlines logo]()
$173
This United Airlines deal was found by Cheapflights users on 8/18. 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 9/115:20 pm -
Nonstop2h 22m
Sat 9/194:10 pm -
Nonstop2h 19m
Deal found 8/18![United Airlines logo]()
$174
Best flights from Seattle to San FranciscoDiscover carefully curated flight deals from Seattle to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 21, 2026.
Discover carefully curated flight deals from Seattle to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 21, 2026.
This Delta deal was found by Cheapflights users on 8/20. 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.
Thu 9/1010:55 am -
Nonstop2h 18m
Fri 9/112:15 pm -
Nonstop2h 15m
Deal found 8/20![Delta logo]()
$176
This Southwest deal was found by Cheapflights users on 8/18. 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 11/57:55 am -
1 stop7h 15m
Mon 11/96:50 am -
1 stop6h 10m
Deal found 8/18![Southwest logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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 10/71:55 pm -
Nonstop2h 13m
Sun 10/116:07 am -
Nonstop2h 13m
Deal found 8/17![Alaska Airlines logo]()
$182
This Southwest deal was found by Cheapflights users on 8/16. 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.
Thu 9/101:55 pm -
1 stop8h 55m
Mon 9/146:00 am -
2 stops7h 25m
Deal found 8/16![Southwest logo]()
$182
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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.
Sat 9/195:50 pm -
Nonstop2h 15m
Tue 9/227:08 am -
1 stop5h 31m
Deal found 8/18![Alaska Airlines logo]()
$210
This Southwest deal was found by Cheapflights users on 8/18. 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 9/103:25 pm -
2 stops8h 05m
Fri 9/112:00 pm -
1 stop5h 35m
Deal found 8/18![Southwest logo]()
$199
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:04 am -
1 stop5h 37m
Mon 10/199:43 am -
Nonstop2h 12m
Deal found 8/16![Alaska Airlines logo]()
$240
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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.
Sat 10/1012:13 pm -
1 stop4h 34m
Mon 10/128:46 pm -
Nonstop2h 17m
Deal found 8/18![Alaska Airlines logo]()
$240
This Southwest deal was found by Cheapflights users on 8/17. 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 10/17:40 am -
1 stop7h 15m
Thu 10/811:30 am -
2 stops9h 30m
Deal found 8/17![Southwest logo]()
$247
This Southwest deal was found by Cheapflights users on 8/20. 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 10/111:35 am -
2 stops7h 10m
Sun 10/45:00 am -
1 stop5h 40m
Deal found 8/20![Southwest logo]()
$252
This Southwest deal was found by Cheapflights users on 8/20. 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.
Mon 10/265:30 am -
2 stops7h 35m
Thu 10/296:10 am -
2 stops8h 25m
Deal found 8/20![Southwest logo]()
$252
This Southwest deal was found by Cheapflights users on 8/16. 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.
Thu 9/1012:50 pm -
2 stops7h 45m
Sat 9/1211:20 am -
2 stops9h 10m
Deal found 8/16![Southwest logo]()
$252
Last-minute flights from Seattle to San FranciscoDiscover last-minute flight deals from Seattle to San Francisco. Data last updated August 21, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to San Francisco. Data last updated August 21, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/16. 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.
Thu 9/101:41 pm -
Nonstop2h 15m
Mon 9/1410:24 pm -
1 stop11h 18m
Deal found 8/16![Multiple Airlines logo]()
$164
This Trip.com deal was found by Cheapflights users on 8/20. 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.
Fri 9/118:41 am -
Nonstop2h 18m
Thu 9/246:00 am -
Nonstop2h 08m
Deal found 8/20![Alaska Airlines logo]()
$170
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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 9/111:41 pm -
Nonstop2h 15m
Sat 9/196:00 am -
Nonstop2h 08m
Deal found 8/18![Alaska Airlines logo]()
$174
This Kissandfly.com deal was found by Cheapflights users on 8/20. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1210:36 am -
Nonstop2h 18m
Sat 9/196:04 am -
1 stop9h 04m
Deal found 8/20![Frontier logo]()
$171
This Trip.com deal was found by Cheapflights users on 8/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/164:27 pm -
1 stop7h 47m
Tue 9/227:11 pm -
1 stop14h 31m
Deal found 8/16![Frontier logo]()
$163
This Trip.com deal was found by Cheapflights users on 8/20. 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.
Thu 9/178:41 am -
Nonstop2h 18m
Thu 9/246:04 am -
1 stop9h 04m
Deal found 8/20![Multiple Airlines logo]()
$173
This Expedia deal was found by Cheapflights users on 8/20. 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.
Fri 9/189:45 pm -
1 stop20h 39m
Fri 9/258:24 pm -
1 stop13h 18m
Deal found 8/20![Frontier logo]()
$172
This Frontier deal was found by Cheapflights users on 8/17. 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.
Sat 9/199:45 pm -
1 stop10h 29m
Tue 9/229:00 am -
1 stop9h 36m
Deal found 8/17![Frontier logo]()
$168
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 9/249:45 pm -
1 stop10h 29m
Wed 9/307:00 am -
Nonstop2h 08m
Deal found 8/20![Multiple Airlines logo]()
$166
This Expedia deal was found by Cheapflights users on 8/20. 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.
Fri 9/259:45 pm -
1 stop16h 44m
Mon 9/2810:24 pm -
1 stop11h 18m
Deal found 8/20![Frontier logo]()
$165
This Kiwi.com deal was found by Cheapflights users on 8/20. 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 9/254:27 pm -
1 stop7h 47m
Wed 9/306:21 pm -
Nonstop2h 11m
Deal found 8/20![Multiple Airlines logo]()
$167
One-way flights from Seattle to San FranciscoSearch for one-way flight options from Seattle to San Francisco. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.
Search for one-way flight options from Seattle to San Francisco. Find affordable one-way fares based on user searches. Data last updated August 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 9/1510:57 am -
1 stop7h 27m
Deal found 8/18![Frontier logo]()
$92
This Kiwi.com deal was found by Cheapflights users on 8/19. 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 10/74:27 pm -
1 stop7h 47m
Deal found 8/19![Frontier logo]()
$93
This Southwest deal was found by Cheapflights users on 8/17. 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 9/1012:50 pm -
2 stops7h 45m
Deal found 8/17![Southwest logo]()
$94
This Frontier deal was found by Cheapflights users on 8/17. 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.
Sat 10/174:27 pm -
1 stop7h 48m
Deal found 8/17![Frontier logo]()
$95
This Delta deal was found by Cheapflights users on 8/17. 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 9/189:30 pm -
Nonstop2h 21m
Deal found 8/17![Delta logo]()
$96
This CheapOair deal was found by Cheapflights users on 8/21. 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.
Fri 9/187:45 pm -
1 stop12h 29m
Deal found 8/21![Frontier logo]()
$97
This Super.com deal was found by Cheapflights users on 8/17. 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.
Sun 9/278:15 pm -
1 stop25h 12m
Deal found 8/17![Frontier logo]()
$98
This Super.com deal was found by Cheapflights users on 8/19. 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.
Sun 9/2010:53 am -
1 stop26h 50m
Deal found 8/19![Frontier logo]()
$99
This Frontier deal was found by Cheapflights users on 8/20. 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.
Thu 9/179:45 pm -
1 stop10h 29m
Deal found 8/20![Frontier logo]()
$100
This Trip.com deal was found by Cheapflights users on 8/17. 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.
Sun 10/256:39 am -
Nonstop2h 10m
Deal found 8/17![Alaska Airlines logo]()
$101
This Trip.com deal was found by Cheapflights users on 8/20. 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.
Sun 9/277:18 am -
Nonstop2h 19m
Deal found 8/20![Alaska Airlines logo]()
$103
Find flight deals from Seattle to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to San Francisco (SFO). 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 August 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $163 (Kiwi.com) |
One-way from | $92 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $281 |
Good round-trip deal | $238 or less |
Good one-way deal | $168 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to San Francisco 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 7,457,451 searches. Data last updated August 21, 2026.
Use the filters below to find and compare flights from Seattle to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Thu 9/10
10:55 am-1:13 pm
Nonstop2h 18m
San Francisco
Fri 9/11
2:15 pm-4:30 pm
Nonstop2h 15m
$176
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Thu 11/5
7:55 am-3:10 pm
1 stop7h 15m
San Francisco
Mon 11/9
6:50 am-1:00 pm
1 stop6h 10m
$177
Quickest round-trip
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Wed 10/7
1:55 pm-4:08 pm
Nonstop2h 13m
San Francisco
Sun 10/11
6:07 am-8:20 am
Nonstop2h 13m
$182
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Thu 9/10
1:55 pm-10:50 pm
1 stop8h 55m
San Francisco
Mon 9/14
6:00 am-1:25 pm
2 stops7h 25m
$182
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Thu 9/10
3:25 pm-11:30 pm
2 stops8h 05m
San Francisco
Fri 9/11
2:00 pm-7:35 pm
1 stop5h 35m
$199
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Sat 9/19
5:50 pm-8:05 pm
Nonstop2h 15m
San Francisco
Tue 9/22
7:08 am-12:39 pm
1 stop5h 31m
$210
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Thu 10/15
7:04 am-12:41 pm
1 stop5h 37m
San Francisco
Mon 10/19
9:43 am-11:55 am
Nonstop2h 12m
$240
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Sat 10/10
12:13 pm-4:47 pm
1 stop4h 34m
San Francisco
Mon 10/12
8:46 pm-11:03 pm
Nonstop2h 17m
$240
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Thu 10/1
7:40 am-2:55 pm
1 stop7h 15m
San Francisco
Thu 10/8
11:30 am-9:00 pm
2 stops9h 30m
$247
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Thu 10/1
11:35 am-6:45 pm
2 stops7h 10m
San Francisco
Sun 10/4
5:00 am-10:40 am
1 stop5h 40m
$252
Showing 1-10 of 24 resultsSorted by cheapest first
Compare providers for flights from Seattle to San Francisco
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 Seattle to San Francisco in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-San Francisco flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-San Francisco 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 Seattle-San Francisco 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 Seattle to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Seattle with our price prediction graph.
SEA-SFO
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.
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Everything you need to know about your flight from Seattle to San Francisco
Prices
Airlines
Delays
How far ahead should I book a flight from Seattle to San Francisco?
To ensure you get the cheapest price possible for a flight from Seattle to San Francisco, you should look to book at least 57 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Seattle to San Francisco?
Currently, January is the cheapest month in which you can book a flight from Seattle to San Francisco (average of $187). Flying from Seattle to San Francisco in July is currently the most expensive (average of $327). 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 SEA to SFO?
Find hourly flight availability from Seattle to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 21, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 16% on flights from Seattle to San Francisco by exploring options for tickets at noon.
What is the cheapest day to fly from Seattle to San Francisco?
Use this chart to determine the cheapest time to fly round-trip from Seattle to San Francisco. Price data was last updated on August 15, 2026.
Travelers seeking maximum savings on their Seattle to San Francisco flight should consider departing on Friday at noon 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 Seattle to San Francisco delayed?
About 29% of weekly flights between Seattle and San Francisco have experienced delays in the past year, with the average delay time being 128 minutes.
What is the most punctual flight time for Seattle to San Francisco 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 Monday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Seattle to San Francisco flights?
Over the last year, Delta have had the lowest number of delays on this route, with just 25% of flights being delayed.
The best insider tips for Seattle to San Francisco 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 Seattle to San Francisco trip
Our travel experts
Reviews of airlines servicing San Francisco
Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated August 21, 2026.
Get a feel of what it's like to fly with Alaska Airlines,Delta, andHawaiian Airlines from Seattle to San Francisco by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.8
Boarding
8.1
Overall
7.9
Food
7.0
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Comfort
7.8
Boarding
8.1
Overall
7.9
Food
7.0
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Comfort
7.8
Boarding
8.1
Overall
7.9
Food
7.0
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Comfort
7.8
Boarding
8.1
Overall
7.9
Food
7.0
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Comfort
7.8
Boarding
8.1
Overall
7.9
Food
7.0
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Comfort
7.8
Boarding
8.1
Overall
7.9
Food
7.0
Crew
8.5
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Related info for your journey
Find useful and relevant information for your journey from Seattle to San Francisco. 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 San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsSouth San Francisco
Santa Clara
Santa Cruz
Walnut Creek
San Bruno
Emeryville
Roseville
Burlingame
Rancho Cordova
Fairfield
Vallejo
Cupertino
Newark
Hayward
San Ramon
Redwood City
Manteca
San Carlos
Turlock
San Lorenzo
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Complete your trip
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Search flights from Seattle to San Francisco by cabin class
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Seattle and San Francisco flights
Browse other Seattle and San Francisco flight options. Last updated on August 21, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on August 21, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Francisco
Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 21, 2026.
Top 7 airlines flying from Seattle to San Francisco
Discover the top 7 airlines that operate flights from Seattle to San Francisco. 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 7,457,451 searches. Data last updated August 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$68 | Average$313 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$78 | Average$223 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$85 | Average$260 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$117 | Average$317 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$117 | Average$266 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$189 | Average$587 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$321 | Average$467 | FlexibilityNo cancel fee | On-time71% |