$79+ Cheap flights from Seattle to San Francisco (SEA - SFO)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SFO
Nov 4 — Nov 111
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 September, booked 48 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 October 5, 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 October 5, 2026.
This Mytrip deal was found by Cheapflights users on 9/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:13 pm -
1 stop11h 06m
Wed 11/41:36 pm -
2 stops20h 09m
Deal found 9/30![Frontier logo]()
$126
This CheapOair deal was found by Cheapflights users on 9/30. 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 12/49:53 pm -
1 stop15h 19m
Tue 12/89:56 pm -
1 stop11h 49m
Deal found 9/30![Frontier logo]()
$128
This CheapOair deal was found by Cheapflights users on 9/30. 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.
Sun 11/159:13 pm -
1 stop19h 54m
Tue 11/179:14 am -
1 stop25h 45m
Deal found 9/30![Frontier logo]()
$130
This Cheapflightsfares deal was found by Cheapflights users on 9/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:13 pm -
1 stop11h 06m
Tue 11/312:20 pm -
1 stop26h 52m
Deal found 9/30![Frontier logo]()
$133
This CheapOair deal was found by Cheapflights users on 9/30. 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.
Mon 10/269:16 pm -
1 stop17h 04m
Tue 11/37:14 pm -
1 stop15h 45m
Deal found 9/30![Frontier logo]()
$137
This Expedia deal was found by Cheapflights users on 9/30. 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 11/29:13 pm -
1 stop17h 07m
Thu 11/56:08 am -
Nonstop2h 14m
Deal found 9/30![Multiple Airlines logo]()
$140
This Cheapflightsfares deal was found by Cheapflights users on 9/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/199:16 pm -
1 stop10h 57m
Wed 11/117:14 pm -
1 stop14h 31m
Deal found 9/30![Frontier logo]()
$141
This SmartFares deal was found by Cheapflights users on 9/30. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:36 pm -
Nonstop2h 16m
Mon 10/265:45 pm -
Nonstop2h 11m
Deal found 9/30![Alaska Airlines logo]()
$142
This Cheapflightsfares deal was found by Cheapflights users on 10/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:09 pm -
1 stop15h 02m
Wed 11/49:27 pm -
1 stop21h 06m
Deal found 10/3![Frontier logo]()
$146
This MakeMyTrip deal was found by Cheapflights users on 9/29. 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 MakeMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:59 pm -
Nonstop2h 18m
Tue 10/2711:00 am -
Nonstop2h 16m
Deal found 9/29![Alaska Airlines logo]()
$148
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 October 5, 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 October 5, 2026.
This Delta deal was found by Cheapflights users on 9/30. 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 10/229:35 pm -
Nonstop2h 21m
Mon 10/266:20 am -
Nonstop2h 21m
Deal found 9/30![Delta logo]()
$177
This Southwest deal was found by Cheapflights users on 10/1. 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 10/249:45 am -
2 stops8h 00m
Tue 10/2711:05 am -
1 stop8h 45m
Deal found 10/1![Southwest logo]()
$182
This United Airlines deal was found by Cheapflights users on 10/4. 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 12/305:00 am -
Nonstop2h 20m
Sun 1/312:08 pm -
Nonstop2h 14m
Deal found 10/4![United Airlines logo]()
$287
This Southwest deal was found by Cheapflights users on 10/1. 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 11/78:35 am -
2 stops7h 10m
Mon 11/94:15 pm -
1 stop8h 45m
Deal found 10/1![Southwest logo]()
$182
This Delta deal was found by Cheapflights users on 10/2. 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 11/119:22 pm -
Nonstop2h 11m
Thu 11/192:12 pm -
Nonstop2h 18m
Deal found 10/2![Delta logo]()
$202
This Southwest deal was found by Cheapflights users on 9/30. 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 10/275:50 am -
2 stops9h 20m
Wed 10/286:45 am -
2 stops6h 50m
Deal found 9/30![Southwest logo]()
$187
This Southwest deal was found by Cheapflights users on 10/3. 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 12/48:05 am -
2 stops6h 50m
Sun 12/66:50 am -
1 stop6h 10m
Deal found 10/3![Southwest logo]()
$232
This Delta deal was found by Cheapflights users on 9/30. 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 12/1711:00 am -
Nonstop2h 24m
Sun 12/206:10 am -
Nonstop2h 23m
Deal found 9/30![Delta logo]()
$257
This Southwest deal was found by Cheapflights users on 10/2. 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 10/266:50 pm -
1 stop5h 50m
Mon 11/212:05 pm -
2 stops10h 00m
Deal found 10/2![Southwest logo]()
$270
This Southwest deal was found by Cheapflights users on 10/4. 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 11/1811:35 am -
2 stops8h 35m
Wed 11/255:10 am -
1 stop7h 55m
Deal found 10/4![Southwest logo]()
$295
This Southwest deal was found by Cheapflights users on 10/2. 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 11/115:15 am -
2 stops6h 30m
Thu 11/1912:25 pm -
2 stops9h 15m
Deal found 10/2![Southwest logo]()
$300
Last-minute flights from Seattle to San FranciscoDiscover last-minute flight deals from Seattle to San Francisco. Data last updated October 5, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to San Francisco. Data last updated October 5, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 9/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/199:16 pm -
1 stop10h 57m
Wed 11/117:14 pm -
1 stop14h 31m
Deal found 9/30![Frontier logo]()
$141
This Trip.com deal was found by Cheapflights users on 9/29. 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.
Tue 10/206:39 am -
Nonstop2h 10m
Tue 10/271:51 pm -
Nonstop2h 13m
Deal found 9/29![Alaska Airlines logo]()
$149
This SmartFares deal was found by Cheapflights users on 9/30. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:36 pm -
Nonstop2h 16m
Mon 10/265:45 pm -
Nonstop2h 11m
Deal found 9/30![Alaska Airlines logo]()
$142
This MakeMyTrip deal was found by Cheapflights users on 9/29. 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 MakeMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/245:59 pm -
Nonstop2h 18m
Tue 10/2711:00 am -
Nonstop2h 16m
Deal found 9/29![Alaska Airlines logo]()
$148
This CheapOair deal was found by Cheapflights users on 9/30. 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.
Mon 10/269:16 pm -
1 stop17h 04m
Tue 11/37:14 pm -
1 stop15h 45m
Deal found 9/30![Frontier logo]()
$137
This Cheapflightsfares deal was found by Cheapflights users on 10/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:09 pm -
1 stop15h 02m
Wed 11/49:27 pm -
1 stop21h 06m
Deal found 10/3![Frontier logo]()
$146
This Mytrip deal was found by Cheapflights users on 9/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:13 pm -
1 stop11h 06m
Wed 11/41:36 pm -
2 stops20h 09m
Deal found 9/30![Frontier logo]()
$126
This Cheapflightsfares deal was found by Cheapflights users on 9/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:13 pm -
1 stop11h 06m
Tue 11/312:20 pm -
1 stop26h 52m
Deal found 9/30![Frontier logo]()
$133
This Expedia deal was found by Cheapflights users on 9/30. 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 11/29:13 pm -
1 stop17h 07m
Thu 11/56:08 am -
Nonstop2h 14m
Deal found 9/30![Multiple Airlines logo]()
$140
This CheapOair deal was found by Cheapflights users on 9/30. 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.
Sun 11/159:13 pm -
1 stop19h 54m
Tue 11/179:14 am -
1 stop25h 45m
Deal found 9/30![Frontier logo]()
$130
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 October 5, 2026.
Search for one-way flight options from Seattle to San Francisco. Find affordable one-way fares based on user searches. Data last updated October 5, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/30. 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 10/229:36 pm -
Nonstop2h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Alaska Airlines logo]()
$79
This iWofly deal was found by Cheapflights users on 10/1. 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 iWofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/314:27 pm -
1 stop7h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Frontier logo]()
$80
This Super.com deal was found by Cheapflights users on 10/3. 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.
Fri 11/137:48 pm -
1 stop24h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 10/3. 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 12/142:07 pm -
2 stops27h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/3![Frontier logo]()
$83
This Super.com deal was found by Cheapflights users on 10/1. 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 11/59:13 pm -
1 stop19h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/1![Frontier logo]()
$84
This Frontier deal was found by Cheapflights users on 9/30. 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.
Mon 10/269:16 pm -
1 stop11h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Frontier logo]()
$85
This Kiwi.com deal was found by Cheapflights users on 10/4. 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 11/97:48 pm -
1 stop24h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![Frontier logo]()
$86
This Delta deal was found by Cheapflights users on 9/30. 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 10/215:55 pm -
Nonstop2h 23m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Delta logo]()
$89
This Super.com deal was found by Cheapflights users on 9/30. 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 12/69:53 pm -
1 stop13h 18m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Frontier logo]()
$92
This Cheapflightsfares deal was found by Cheapflights users on 9/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/234:27 pm -
1 stop7h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Frontier logo]()
$93
This Southwest deal was found by Cheapflights users on 9/30. 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 11/26:30 am -
2 stops6h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/30![Southwest logo]()
$94
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 October 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $126 (Mytrip) |
One-way from | $79 (Alaska Airlines) |
Popular in | July |
Cheapest in | January |
Average price | $248 |
Good round-trip deal | $209 or less |
Good one-way deal | $148 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 October 5, 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
Sat 10/24
5:59 pm-8:17 pm
Nonstop2h 18m
San Francisco
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$79
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Thu 10/29
5:30 am-1:05 pm
2 stops7h 35m
San Francisco
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$94
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Wed 11/4
7:59 pm-10:16 pm
Nonstop2h 17m
San Francisco
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$99
Quickest round-trip
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Fri 10/30
1:16 pm-3:31 pm
Nonstop2h 15m
San Francisco
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$104
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Mon 11/2
11:43 am-2:10 pm
Nonstop2h 27m
San Francisco
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$104
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Thu 12/31
7:16 am-9:37 am
Nonstop2h 21m
San Francisco
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$109
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Tue 12/8
5:15 am-11:45 am
2 stops6h 30m
San Francisco
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$114
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Thu 11/5
5:00 am-11:25 am
2 stops6h 25m
San Francisco
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$119
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Tue 12/1
7:20 am-9:38 am
Nonstop2h 18m
San Francisco
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$134
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Sat 12/19
7:15 am-9:43 am
Nonstop2h 28m
San Francisco
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$136
Showing 1-10 of 22 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 October.
| 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.
Cheapflights Insights
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 47 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 $326). 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 October 5, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 9% 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 September 26, 2026.
Travelers seeking maximum savings on their Seattle to San Francisco flight should consider departing on Friday evenings when fares are most often at their lowest. Sunday afternoons 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 31% of weekly flights between Seattle and San Francisco have experienced delays in the past year, with the average delay time being 125 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?
Tuesday 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 28% 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 October 5, 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.
Food
7.0
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Food
7.0
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Food
7.0
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Food
7.0
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Food
7.0
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Food
7.0
Comfort
7.8
Entertainment
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - 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
Emeryville
Hayward
Burlingame
Rancho Cordova
San Bruno
Roseville
Redwood City
Cupertino
Newark
Fairfield
San Ramon
Manteca
Vallejo
San Carlos
Turlock
Davis
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Other flights from Seattle
Popular flights
San Francisco flight routes
Alternative routes for Seattle to San Francisco
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to San Francisco by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to San Francisco by cabin class
Find flights from Seattle to San Francisco, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and San Francisco flights
Browse other Seattle and San Francisco flight options. Last updated on October 5, 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 October 5, 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 October 5, 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 October 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$81 | Average$221 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$85 | Average$278 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$116 | Average$310 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$117 | Average$272 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$189 | Average$587 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$247 | Average$316 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$317 | Average$497 | FlexibilityNo cancel fee | On-time71% |