$78+ 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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SFO
May 9 — May 161
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 September, booked 78 days in advance, depart on a Friday or Thursday and return on a Friday
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 April 9, 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 April 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/6. 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 5/57:04 pm
SEA
- SFO
Nonstop2h 19m
Alaska Airlines
Wed 5/135:44 pm
SFO
- SEA
Nonstop2h 15m
Alaska Airlines
Deal found 4/6![Alaska Airlines logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 5/511:50 am
SEA
- SFO
Nonstop2h 31m
Alaska Airlines
Tue 5/1210:25 am
SFO
- SEA
Nonstop2h 19m
Alaska Airlines
Deal found 4/5![Alaska Airlines logo]()
$149
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 5/201:50 pm
SEA
- SFO
Nonstop2h 14m
Alaska Airlines
Wed 5/276:00 am
SFO
- SEA
Nonstop2h 17m
Alaska Airlines
Deal found 4/5![Alaska Airlines logo]()
$150
This CheapOair deal was found by Cheapflights users on 4/9. 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 5/511:06 am
SEA
- SFO
1 stop8h 42m
Frontier
Wed 5/611:26 am
SFO
- SEA
1 stop22h 56m
Frontier
Deal found 4/9![Frontier logo]()
$151
This Alaska Airlines deal was found by Cheapflights users on 4/9. 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.
Tue 5/57:10 am
SEA
- SFO
Nonstop2h 17m
Alaska Airlines
Tue 5/512:26 pm
SFO
- SEA
Nonstop2h 16m
Alaska Airlines
Deal found 4/9![Alaska Airlines logo]()
$152
This Expedia deal was found by Cheapflights users on 4/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:50 pm
SEA
- SFO
1 stop28h 33m
Multiple Airlines
Tue 5/1210:25 am
SFO
- SEA
Nonstop2h 19m
Multiple Airlines
Deal found 4/4![Multiple Airlines logo]()
$154
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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.
Tue 5/511:50 am
SEA
- SFO
Nonstop2h 31m
Alaska Airlines
Wed 5/610:25 am
SFO
- SEA
Nonstop2h 19m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$158
This Expedia deal was found by Cheapflights users on 4/4. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/57:50 pm
SEA
- SFO
1 stop28h 33m
Frontier
Sun 5/1011:31 am
SFO
- SEA
1 stop22h 51m
Frontier
Deal found 4/4![Frontier logo]()
$160
This Frontier deal was found by Cheapflights users on 4/6. 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 5/217:50 pm
SEA
- SFO
1 stop12h 11m
Frontier
Thu 5/289:34 am
SFO
- SEA
1 stop9h 31m
Frontier
Deal found 4/6![Frontier logo]()
$161
This Orbitz deal was found by Cheapflights users on 4/6. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/47:12 pm
SEA
- SFO
1 stop29h 11m
Frontier
Thu 5/710:40 pm
SFO
- SEA
1 stop11h 42m
Frontier
Deal found 4/6![Frontier logo]()
$162
This Kissandfly.com deal was found by Cheapflights users on 4/5. 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 5/211:50 am
SEA
- SFO
Nonstop2h 31m
Multiple Airlines
Mon 5/47:00 am
SFO
- SEA
Nonstop2h 17m
Multiple Airlines
Deal found 4/5![Multiple Airlines logo]()
$164
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 April 9, 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 April 9, 2026.
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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 6/38:43 am
SEA
- SFO
Nonstop2h 17m
Alaska Airlines
Tue 6/307:03 am
SFO
- SEA
Nonstop2h 10m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 4/5. 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 6/107:00 am
SEA
- SFO
2 stops7h 15m
Southwest
Wed 6/105:20 pm
SFO
- SEA
2 stops7h 20m
Southwest
Deal found 4/5![Southwest logo]()
$183
This Delta deal was found by Cheapflights users on 4/8. 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 5/19:20 pm
SEA
- SFO
Nonstop2h 17m
Delta
Wed 5/138:30 pm
SFO
- SEA
Nonstop2h 25m
Delta
Deal found 4/8![Delta logo]()
$197
This United Airlines deal was found by Cheapflights users on 4/5. 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 5/811:39 am
SEA
- SFO
Nonstop2h 14m
United Airlines
Mon 5/118:58 pm
SFO
- SEA
Nonstop2h 31m
United Airlines
Deal found 4/5![United Airlines logo]()
$229
This Alaska Airlines deal was found by Cheapflights users on 4/7. 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.
Tue 5/53:48 pm
SEA
- SFO
Nonstop2h 21m
Alaska Airlines
Wed 5/62:00 pm
SFO
- SEA
Nonstop2h 17m
Alaska Airlines
Deal found 4/7![Alaska Airlines logo]()
$157
This Southwest deal was found by Cheapflights users on 4/8. 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 5/131:25 pm
SEA
- SFO
1 stop8h 45m
Southwest
Tue 5/197:20 am
SFO
- SEA
2 stops13h 00m
Southwest
Deal found 4/8![Southwest logo]()
$188
This Delta deal was found by Cheapflights users on 4/9. 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 5/27:00 am
SEA
- SFO
Nonstop2h 22m
Delta
Mon 5/45:59 am
SFO
- SEA
Nonstop2h 20m
Delta
Deal found 4/9![Delta logo]()
$214
This Southwest deal was found by Cheapflights users on 4/8. 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 5/226:15 pm
SEA
- SFO
1 stop5h 55m
Southwest
Tue 6/25:40 am
SFO
- SEA
1 stop7h 55m
Southwest
Deal found 4/8![Southwest logo]()
$217
This Alaska Airlines deal was found by Cheapflights users on 4/5. 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 6/107:03 am
SEA
- SFO
Nonstop2h 17m
Alaska Airlines
Wed 6/1012:08 pm
SFO
- SEA
1 stop6h 25m
Alaska Airlines
Deal found 4/5![Alaska Airlines logo]()
$231
This Alaska Airlines deal was found by Cheapflights users on 4/4. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:25 am
SEA
- SFO
1 stop4h 24m
Alaska Airlines
Wed 5/69:00 am
SFO
- SEA
Nonstop2h 22m
Alaska Airlines
Deal found 4/4![Alaska Airlines logo]()
$237
Last-minute flights from Seattle to San FranciscoDiscover last-minute flight deals from Seattle to San Francisco. Data last updated April 9, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to San Francisco. Data last updated April 9, 2026 and is based on user searches.
This Orbitz deal was found by Cheapflights users on 4/8. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/158:07 pm
SEA
- SFO
1 stop13h 06m
Frontier
Mon 4/206:00 am
SFO
- SEA
1 stop27h 27m
Frontier
Deal found 4/8![Frontier logo]()
$224
This Expedia deal was found by Cheapflights users on 4/5. 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.
Thu 4/167:12 pm
SEA
- SFO
1 stop14h 01m
Frontier
Sun 4/266:00 am
SFO
- SEA
1 stop9h 05m
Frontier
Deal found 4/5![Frontier logo]()
$222
This Trip.com deal was found by Cheapflights users on 4/8. 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 4/1710:59 pm
SEA
- SFO
1 stop14h 53m
Frontier
Sat 4/256:00 am
SFO
- SEA
1 stop27h 27m
Frontier
Deal found 4/8![Frontier logo]()
$218
This Expedia deal was found by Cheapflights users on 4/6. 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 4/177:12 pm
SEA
- SFO
1 stop28h 13m
Multiple Airlines
Mon 4/279:15 pm
SFO
- SEA
Nonstop2h 19m
Multiple Airlines
Deal found 4/6![Multiple Airlines logo]()
$227
This Trip.com deal was found by Cheapflights users on 4/8. 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 4/1710:59 pm
SEA
- SFO
1 stop14h 53m
Frontier
Mon 4/206:00 am
SFO
- SEA
1 stop27h 27m
Frontier
Deal found 4/8![Frontier logo]()
$239
This CheapOair deal was found by Cheapflights users on 4/5. 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.
Sat 4/187:12 pm
SEA
- SFO
1 stop14h 01m
Frontier
Tue 4/288:40 am
SFO
- SEA
1 stop24h 47m
Frontier
Deal found 4/5![Frontier logo]()
$192
This Expedia deal was found by Cheapflights users on 4/7. 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.
Sat 4/187:12 pm
SEA
- SFO
1 stop14h 01m
Multiple Airlines
Tue 4/2810:25 am
SFO
- SEA
Nonstop2h 19m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$195
This Orbitz deal was found by Cheapflights users on 4/4. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:12 pm
SEA
- SFO
1 stop14h 01m
Frontier
Mon 4/206:00 am
SFO
- SEA
1 stop27h 27m
Frontier
Deal found 4/4![Frontier logo]()
$203
This CheapOair deal was found by Cheapflights users on 4/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/187:12 pm
SEA
- SFO
1 stop14h 01m
Frontier
Fri 4/2411:56 am
SFO
- SEA
1 stop21h 31m
Frontier
Deal found 4/4![Frontier logo]()
$212
This Super.com deal was found by Cheapflights users on 4/8. 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 4/197:12 pm
SEA
- SFO
1 stop29h 15m
Frontier
Wed 4/227:40 pm
SFO
- SEA
1 stop24h 11m
Frontier
Deal found 4/8![Frontier logo]()
$232
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 April 9, 2026.
Search for one-way flight options from Seattle to San Francisco. Find affordable one-way fares based on user searches. Data last updated April 9, 2026.
This Kiwi.com deal was found by Cheapflights users on 4/9. 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 5/52:53 pm
SEA
- SFO
Nonstop2h 21m
Alaska Airlines
Deal found 4/9![Alaska Airlines logo]()
$78
This Delta deal was found by Cheapflights users on 4/8. 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 5/611:45 am
SEA
- SFO
Nonstop2h 17m
Delta
Deal found 4/8![Delta logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 5/1111:37 am
SEA
- SFO
1 stop27h 04m
Frontier
Deal found 4/8![Frontier logo]()
$82
This Kiwi.com deal was found by Cheapflights users on 4/9. 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 5/711:06 am
SEA
- SFO
1 stop7h 15m
Frontier
Deal found 4/9![Frontier logo]()
$83
This Kiwi.com deal was found by Cheapflights users on 4/5. 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 5/2911:21 am
SEA
- SFO
1 stop9h 43m
Frontier
Deal found 4/5![Frontier logo]()
$85
This Delta deal was found by Cheapflights users on 4/7. 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 5/209:45 pm
SEA
- SFO
Nonstop2h 20m
Delta
Deal found 4/7![Delta logo]()
$89
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 5/911:06 am
SEA
- SFO
1 stop8h 37m
Frontier
Deal found 4/8![Frontier logo]()
$91
This Southwest deal was found by Cheapflights users on 4/7. 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 5/611:35 am
SEA
- SFO
2 stops10h 30m
Southwest
Deal found 4/7![Southwest logo]()
$94
This Super.com deal was found by Cheapflights users on 4/5. 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 4/199:54 pm
SEA
- SFO
1 stop14h 23m
Frontier
Deal found 4/5![Frontier logo]()
$95
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 April 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $148 (Kiwi.com) |
One-way from | $78 (Kiwi.com) |
Popular in | March |
Cheapest in | January |
Average price | $273 |
Good round-trip deal | $243 or less |
Good one-way deal | $169 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 2,558,603 searches. Data last updated April 9, 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
Quickest round-trip
SeattleSan Francisco
SEA - SFO
SEASFO
Seattle/Tacoma Intl
Wed 6/3
8:43 am-11:00 am
Nonstop2h 17m
San Francisco
Tue 6/30
7:03 am-9:13 am
Nonstop2h 10m
$157
SeattleSan Francisco
SEA - SFO
SEASFO
Seattle/Tacoma Intl
Tue 5/5
3:48 pm-6:09 pm
Nonstop2h 21m
San Francisco
Wed 5/6
2:00 pm-4:17 pm
Nonstop2h 17m
$157
SeattleSan Francisco
SEA - SFO
SEASFO
Seattle/Tacoma Intl
Wed 6/10
7:00 am-2:15 pm
2 stops7h 15m
San Francisco
Wed 6/10
5:20 pm-12:40 am
2 stops7h 20m
$183
SeattleSan Francisco
SEA - SFO
SEASFO
Seattle/Tacoma Intl
Wed 5/13
1:25 pm-10:10 pm
1 stop8h 45m
San Francisco
Tue 5/19
7:20 am-8:20 pm
2 stops13h 00m
$188
SeattleSan Francisco
SEA - SFO
SEASFO
Seattle/Tacoma Intl
Fri 5/1
9:20 pm-11:37 pm
Nonstop2h 17m
San Francisco
Wed 5/13
8:30 pm-10:55 pm
Nonstop2h 25m
$197
SeattleSan Francisco
SEA - SFO
SEASFO
Seattle/Tacoma Intl
Sat 5/2
7:00 am-9:22 am
Nonstop2h 22m
San Francisco
Mon 5/4
5:59 am-8:19 am
Nonstop2h 20m
$214
SeattleSan Francisco
SEA - SFO
SEASFO
Seattle/Tacoma Intl
Fri 5/22
6:15 pm-12:10 am
1 stop5h 55m
San Francisco
Tue 6/2
5:40 am-1:35 pm
1 stop7h 55m
$217
SeattleSan Francisco
SEA - SFO
SEASFO
Seattle/Tacoma Intl
Fri 5/8
11:39 am-1:53 pm
Nonstop2h 14m
San Francisco
Mon 5/11
8:58 pm-11:29 pm
Nonstop2h 31m
$229
SeattleSan Francisco
SEA - SFO
SEASFO
Seattle/Tacoma Intl
Wed 6/10
7:03 am-9:20 am
Nonstop2h 17m
San Francisco
Wed 6/10
12:08 pm-6:33 pm
1 stop6h 25m
$231
SeattleSan Francisco
SEA - SFO
SEASFO
Seattle/Tacoma Intl
Sat 5/2
8:25 am-12:49 pm
1 stop4h 24m
San Francisco
Wed 5/6
9:00 am-11:22 am
Nonstop2h 22m
$237
Showing 1-10 of 21 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 April.
| 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 Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*2 stars | |
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star |
- 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?
Use this chart to determine the optimal time to book a round-trip flight from Seattle to San Francisco. Price data was last updated on April 3, 2026.
To ensure you get the cheapest price possible for a flight from Seattle to San Francisco, you should look to book at least 78 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 $82). Flying from Seattle to San Francisco in June is currently the most expensive (average of $131). 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 April 9, 2026.
Unlike in the evening, when flights are generally more expensive, you can save up to 17% 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 April 4, 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 21% of weekly flights between Seattle and San Francisco have experienced delays in the past year, with the average delay time being 132 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 Sunday 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, United Airlines have had the lowest number of delays on this route, with just 15% 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 April 9, 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
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Food
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Food
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Food
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Food
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Food
7.0
Boarding
8.1
Crew
8.5
Overall
7.9
Comfort
7.8
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 Cruz
Santa Clara
Livermore
Roseville
Rancho Cordova
San Bruno
Watsonville
San Ramon
Union City
Emeryville
Vacaville
San Carlos
Redwood City
Sunnyvale
Turlock
San Lorenzo
Davis
Manteca
Elk Grove
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Seattle and San Francisco flights
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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 2,558,603 searches. Data last updated April 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$78 | Average$265 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$79 | Average$200 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$85 | Average$208 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$103 | Average$587 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$117 | Average$247 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$118 | Average$275 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$321 | Average$397 | FlexibilityNo cancel fee | On-time71% |