Cheap flights from Seattle to San Francisco from $124
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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SFO
1 Oct — 8 Oct1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
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 Monday or Tuesday and return on a Monday
Cheap flight deals from Seattle to San Francisco
Enter your travel dates to find the best prices.
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Best
Direct
Last-minute
One-way
Cheapest flights from Seattle to San Francisco
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 1 September 2026.
Wed 23/909:25 -
2 stops7h 40m
Wed 30/914:35 -
1 stop6h 40m
Deal found 31/8$218
Tue 29/920:44 -
Nonstop2h 15m
Mon 5/1009:43 -
Nonstop2h 12m
Deal found 1/9$219
Fri 20/1120:35 -
Nonstop2h 11m
Wed 2/1211:25 -
Nonstop2h 13m
Deal found 29/8$221
Mon 21/907:11 -
Nonstop2h 19m
Sat 26/918:35 -
Nonstop2h 26m
Deal found 29/8$222
Sat 19/916:59 -
1 stop6h 13m
Mon 21/920:53 -
Nonstop2h 17m
Deal found 28/8$223
Thu 15/1005:30 -
2 stops7h 35m
Thu 22/1006:10 -
2 stops9h 10m
Deal found 28/8$225
Thu 24/909:15 -
2 stops7h 15m
Mon 28/907:00 -
1 stop10h 00m
Deal found 31/8$226
Sun 25/1006:39 -
Nonstop2h 10m
Wed 28/1015:21 -
Nonstop2h 12m
Deal found 30/8$228
Fri 9/1021:35 -
Nonstop2h 21m
Sat 10/1017:45 -
Nonstop2h 19m
Deal found 31/8$229
Wed 21/1019:36 -
Nonstop2h 13m
Mon 26/1011:00 -
Nonstop2h 16m
Deal found 1/9$230
Fri 25/915:45 -
1 stop7h 10m
Mon 28/907:00 -
1 stop10h 00m
Deal found 28/8$232
Sat 19/912:30 -
2 stops7h 05m
Mon 21/911:05 -
2 stops10h 10m
Deal found 28/8$233
Best flights from Seattle to San Francisco
Discover carefully curated flight deals from Seattle to San Francisco that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 September 2026.
Tue 29/907:18 -
Nonstop2h 19m
Wed 30/906:00 -
Nonstop2h 08m
Deal found 1/9$219
Wed 14/1012:05 -
2 stops9h 20m
Sat 17/1006:05 -
2 stops11h 35m
Deal found 29/8$225
Thu 22/1020:29 -
Nonstop2h 30m
Sun 25/1007:25 -
Nonstop2h 13m
Deal found 28/8$226
Fri 23/1021:35 -
Nonstop2h 21m
Sun 25/1006:20 -
Nonstop2h 21m
Deal found 30/8$250
Sat 10/1020:36 -
Nonstop2h 13m
Sat 24/1019:11 -
Nonstop2h 14m
Deal found 1/9$219
Sat 10/1011:40 -
2 stops8h 15m
Sat 24/1010:40 -
2 stops7h 00m
Deal found 30/8$225
Thu 24/909:15 -
2 stops7h 15m
Mon 28/907:00 -
1 stop10h 00m
Deal found 31/8$226
Tue 6/1007:30 -
1 stop5h 15m
Thu 8/1011:30 -
2 stops9h 30m
Deal found 27/8$236
Sat 10/1011:54 -
Nonstop2h 29m
Mon 12/1020:46 -
Nonstop2h 17m
Deal found 28/8$268
Direct flights from Seattle to San Francisco
Explore direct flight options from Seattle to San Francisco based on user searches, and compare prices and availability for your desired travel dates. Data last updated 1 September 2026.
Tue 29/910:47 -
Nonstop2h 16m
Wed 7/1015:21 -
Nonstop2h 12m
Deal found 1/9$219
Fri 20/1120:35 -
Nonstop2h 11m
Wed 2/1211:25 -
Nonstop2h 13m
Deal found 29/8$221
Mon 21/907:11 -
Nonstop2h 19m
Sat 26/918:35 -
Nonstop2h 26m
Deal found 29/8$222
Wed 30/908:41 -
Nonstop2h 18m
Sun 4/1006:07 -
Nonstop2h 13m
Deal found 31/8$226
Sun 25/1006:39 -
Nonstop2h 10m
Wed 28/1015:21 -
Nonstop2h 12m
Deal found 30/8$228
Fri 9/1021:35 -
Nonstop2h 21m
Sat 10/1017:45 -
Nonstop2h 19m
Deal found 31/8$229
Wed 21/1019:36 -
Nonstop2h 13m
Mon 26/1011:00 -
Nonstop2h 16m
Deal found 1/9$230
Tue 22/912:05 -
Nonstop2h 22m
Mon 28/920:53 -
Nonstop2h 17m
Deal found 31/8$233
Wed 7/1011:54 -
Nonstop2h 29m
Sun 11/1006:07 -
Nonstop2h 13m
Deal found 31/8$234
Sat 24/1006:39 -
Nonstop2h 10m
Sun 25/1006:07 -
Nonstop2h 13m
Deal found 28/8$239
Thu 1/1007:15 -
Nonstop2h 19m
Sun 4/1006:23 -
Nonstop2h 17m
Deal found 28/8$240
Last-minute flights from Seattle to San Francisco
Discover last-minute flight deals from Seattle to San Francisco. Data last updated 1 September 2026 and is based on user searches.
Sat 19/916:59 -
1 stop6h 13m
Mon 21/920:53 -
Nonstop2h 17m
Deal found 28/8$223
Sat 19/912:30 -
2 stops7h 05m
Mon 21/911:05 -
2 stops10h 10m
Deal found 28/8$233
Mon 21/907:11 -
Nonstop2h 19m
Sat 26/918:35 -
Nonstop2h 26m
Deal found 29/8$222
Wed 23/909:25 -
2 stops7h 40m
Wed 30/914:35 -
1 stop6h 40m
Deal found 31/8$218
Thu 24/909:15 -
2 stops7h 15m
Mon 28/907:00 -
1 stop10h 00m
Deal found 31/8$226
Fri 25/915:45 -
1 stop7h 10m
Mon 28/907:00 -
1 stop10h 00m
Deal found 28/8$232
Tue 29/910:47 -
Nonstop2h 16m
Wed 7/1015:21 -
Nonstop2h 12m
Deal found 1/9$219
Wed 7/1011:54 -
Nonstop2h 29m
Sun 11/1006:07 -
Nonstop2h 13m
Deal found 31/8$234
Fri 9/1021:35 -
Nonstop2h 21m
Sat 10/1017:45 -
Nonstop2h 19m
Deal found 31/8$229
Thu 15/1005:30 -
2 stops7h 35m
Thu 22/1006:10 -
2 stops9h 10m
Deal found 28/8$225
Wed 21/1019:36 -
Nonstop2h 13m
Mon 26/1011:00 -
Nonstop2h 16m
Deal found 1/9$230
Sun 25/1006:39 -
Nonstop2h 10m
Wed 28/1015:21 -
Nonstop2h 12m
Deal found 30/8$228
One-way flights from Seattle to San Francisco
Search for one-way flight options from Seattle to San Francisco. Find affordable one-way fares based on user searches. Data last updated 1 September 2026.
Thu 8/1006:15 -
1 stop7h 20m
Deal found 31/8$124
Tue 27/1007:16 -
Nonstop2h 22m
Deal found 28/8$128
Thu 17/1211:10 -
2 stops7h 15m
Deal found 28/8$131
Fri 25/907:11 -
Nonstop2h 19m
Deal found 1/9$134
Mon 21/907:11 -
Nonstop2h 19m
Deal found 30/8$138
Sun 4/1021:30 -
Nonstop2h 21m
Deal found 28/8$145
Tue 27/1007:30 -
1 stop7h 40m
Deal found 28/8$152
Mon 21/921:30 -
Nonstop2h 21m
Deal found 27/8$156
Sun 15/1107:55 -
1 stop5h 10m
Deal found 31/8$159
Fri 9/1007:11 -
Nonstop2h 19m
Deal found 31/8$162
Sun 27/907:00 -
Nonstop2h 19m
Deal found 31/8$166
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 1 September 2026.
Customise 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 1 September 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
Price
Cheapest return flight
Fastest return journey
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Tue 29/9
07:18-09:37
Nonstop2h 19m
San Francisco
Wed 30/9
06:00-08:08
Nonstop2h 08m
$219
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Sat 10/10
20:36-22:49
Nonstop2h 13m
San Francisco
Sat 24/10
19:11-21:25
Nonstop2h 14m
$219
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Wed 14/10
12:05-21:25
2 stops9h 20m
San Francisco
Sat 17/10
06:05-17:40
2 stops11h 35m
$225
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Sat 10/10
11:40-19:55
2 stops8h 15m
San Francisco
Sat 24/10
10:40-17:40
2 stops7h 00m
$225
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Thu 22/10
20:29-22:59
Nonstop2h 30m
San Francisco
Sun 25/10
07:25-09:38
Nonstop2h 13m
$226
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Thu 24/9
09:15-16:30
2 stops7h 15m
San Francisco
Mon 28/9
07:00-17:00
1 stop10h 00m
$226
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Tue 6/10
07:30-12:45
1 stop5h 15m
San Francisco
Thu 8/10
11:30-21:00
2 stops9h 30m
$236
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Fri 23/10
21:35-23:56
Nonstop2h 21m
San Francisco
Sun 25/10
06:20-08:41
Nonstop2h 21m
$250
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Sat 10/10
11:54-14:23
Nonstop2h 29m
San Francisco
Mon 12/10
20:46-23:03
Nonstop2h 17m
$268
Cheapest one-way
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Wed 14/10
12:05-21:25
2 stops9h 20m
$131
Flights are sorted by cheapest return flights first.
Deals found on 1/9
Showing 1-10 of 18 resultsSorted by cheapest first
1
2
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 return 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?
Booking 57 days in advance of your planned departure date is, on average, the best time to get cheap flights from Seattle to San Francisco. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 $262). Flying from Seattle to San Francisco in July is currently the most expensive (average of $456). 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 1 September 2026.
One of the essential ways to save on airfare from Seattle to San Francisco is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the morning could potentially save you up to 80% on airfare.
How much does it cost for a return flight from Seattle to San Francisco?
Airfare is below average for this route at the moment.
Seattle to San Francisco flights typically cost between $271 and $512 in September.The cheapest return price found within the last 5 days was $218 on Southwest (23 Sept–30 Sept).
Weekly flight availability from Seattle to San Francisco
Explore weekly flight availability from Seattle to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 1 September 2026.
The most flights from SEA to SFO are scheduled on a Monday (96 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (14 on average).
How often are flights from Seattle to San Francisco delayed?
About 30% of weekly flights between Seattle and San Francisco have experienced delays in the past year, with the average delay time being 127 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 Friday 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 past year, Delta have had the lowest number of delays on this route, with just 27% of flights being delayed.
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.
How popular is this Seattle to San Francisco flight route?
This flight path from Seattle/Tacoma Intl to San Francisco was viewed by 25 users in the past month. Keep an eye out for changes in search interest prior to high and low season.
How long is the flight from Seattle to San Francisco?
For as low as $222, Southwest can have you in San Francisco from Seattle in 2h 19m. Airlines will cover a distance of 1093 km. This flight may include one or multiple stops.
What are the most reliable airlines from Seattle to San Francisco?
The top 3 most reliable airlines when flying from Seattle to San Francisco are SkyWest Airlines (58%), Iberia (55%) and United Airlines (51%).
What are the cheapest flights from Seattle to San Francisco?
Looking for the cheapest flight from Seattle to San Francisco? While on average our users pay $812, our data indicates the cheapest price to be $178. The most popular route (Seattle/Tacoma Intl - San Francisco), is priced around $166.
Can I find deals for business class flights from Seattle to San Francisco?
Yes. Cheapflights offers flight deals from Seattle to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
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 $262). Flying from Seattle to San Francisco in July is currently the most expensive (average of $456). 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.
Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 1 September 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Seattle to San Francisco?
When you search for this flight from Seattle to San Francisco, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Seattle to San Francisco?
Millions of users choose and trust Cheapflights to book the best flight deals from Seattle to San Francisco for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights from Seattle to San Francisco with no change fees?
Certainly. Search results for flights to San Francisco from Seattle shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Seattle to San Francisco become cheaper?
Not ready to book yet? You can track prices for flights from Seattle to San Francisco on Cheapflights with our Price Alert feature and get notified when better prices are available.
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