Cheap flights from Seattle to San Francisco from $132
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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SFO
18 Sep — 25 Sep1
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 Tuesday
Cheap flight deals from Seattle to San Francisco
Enter your travel dates to find the best prices.
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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 19 August 2026.
Thu 17/1206:45 -
1 stop4h 45m
Tue 5/113:05 -
1 stop8h 05m
Deal found 18/8$242
Fri 11/920:30 -
Nonstop2h 15m
Mon 14/915:26 -
Nonstop2h 13m
Deal found 17/8$245
Thu 10/917:51 -
Nonstop2h 16m
Fri 11/917:38 -
Nonstop2h 23m
Deal found 18/8$246
Tue 29/907:15 -
Nonstop2h 19m
Tue 6/1010:35 -
Nonstop2h 22m
Deal found 18/8$249
Thu 10/917:51 -
Nonstop2h 16m
Mon 14/906:23 -
Nonstop2h 17m
Deal found 18/8$251
Thu 10/909:05 -
1 stop5h 35m
Mon 14/910:25 -
2 stops8h 25m
Deal found 18/8$256
Sun 8/1107:18 -
Nonstop2h 23m
Mon 23/1120:33 -
Nonstop2h 16m
Deal found 17/8$262
Sat 5/905:00 -
1 stop12h 35m
Wed 9/909:35 -
2 stops11h 40m
Deal found 15/8$265
Thu 10/915:30 -
Nonstop2h 15m
Fri 11/918:25 -
Nonstop2h 18m
Deal found 18/8$266
Fri 11/920:30 -
Nonstop2h 15m
Fri 18/920:53 -
Nonstop2h 17m
Deal found 18/8$269
Fri 2/1021:30 -
Nonstop2h 21m
Sat 3/1020:59 -
Nonstop2h 15m
Deal found 18/8$270
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 19 August 2026.
Fri 6/1121:35 -
Nonstop2h 21m
Mon 9/1117:44 -
Nonstop2h 20m
Deal found 17/8$245
Wed 16/913:45 -
1 stop7h 55m
Tue 22/916:40 -
1 stop6h 50m
Deal found 16/8$249
Thu 24/921:25 -
Nonstop2h 15m
Sun 27/907:00 -
Nonstop2h 08m
Deal found 15/8$256
Thu 10/909:05 -
1 stop5h 35m
Mon 14/910:25 -
2 stops8h 25m
Deal found 18/8$256
Tue 15/908:30 -
1 stop5h 35m
Tue 22/907:40 -
2 stops9h 10m
Deal found 15/8$256
Tue 20/1012:05 -
2 stops9h 15m
Wed 28/1015:50 -
1 stop8h 05m
Deal found 18/8$256
Thu 24/909:05 -
1 stop7h 25m
Tue 29/912:05 -
2 stops7h 10m
Deal found 17/8$256
Wed 30/911:40 -
2 stops7h 50m
Wed 7/1012:15 -
2 stops9h 25m
Deal found 16/8$263
Wed 23/911:40 -
2 stops7h 35m
Thu 24/910:25 -
2 stops8h 25m
Deal found 18/8$263
Thu 10/915:25 -
2 stops8h 05m
Fri 11/914:00 -
1 stop5h 35m
Deal found 18/8$280
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 19 August 2026.
Fri 11/920:30 -
Nonstop2h 15m
Mon 14/915:26 -
Nonstop2h 13m
Deal found 17/8$245
Thu 10/917:51 -
Nonstop2h 16m
Fri 11/917:38 -
Nonstop2h 23m
Deal found 18/8$246
Mon 26/1021:35 -
Nonstop2h 21m
Wed 4/1106:20 -
Nonstop2h 21m
Deal found 18/8$249
Thu 10/917:51 -
Nonstop2h 16m
Mon 14/906:23 -
Nonstop2h 17m
Deal found 18/8$251
Sun 8/1107:18 -
Nonstop2h 23m
Mon 23/1106:00 -
Nonstop2h 15m
Deal found 18/8$256
Wed 30/913:41 -
Nonstop2h 15m
Sun 4/1006:07 -
Nonstop2h 13m
Deal found 18/8$263
Thu 10/915:30 -
Nonstop2h 15m
Fri 11/918:25 -
Nonstop2h 18m
Deal found 18/8$266
Fri 11/921:25 -
Nonstop2h 15m
Fri 18/920:53 -
Nonstop2h 17m
Deal found 17/8$269
Fri 2/1021:30 -
Nonstop2h 21m
Sat 3/1020:59 -
Nonstop2h 15m
Deal found 18/8$270
Fri 11/914:36 -
Nonstop2h 22m
Tue 15/910:29 -
Nonstop2h 15m
Deal found 18/8$273
Mon 14/919:35 -
Nonstop2h 22m
Wed 16/921:07 -
Nonstop2h 19m
Deal found 18/8$275
Last-minute flights from Seattle to San Francisco
Discover last-minute flight deals from Seattle to San Francisco. Data last updated 19 August 2026 and is based on user searches.
Sat 5/905:00 -
1 stop12h 35m
Wed 9/909:35 -
2 stops11h 40m
Deal found 15/8$265
Wed 9/913:45 -
2 stops7h 35m
Sat 12/906:00 -
2 stops12h 25m
Deal found 19/8$272
Thu 10/917:51 -
Nonstop2h 16m
Fri 11/917:38 -
Nonstop2h 23m
Deal found 18/8$246
Thu 10/917:51 -
Nonstop2h 16m
Mon 14/906:23 -
Nonstop2h 17m
Deal found 18/8$251
Thu 10/909:05 -
1 stop5h 35m
Mon 14/910:25 -
2 stops8h 25m
Deal found 18/8$256
Thu 10/915:30 -
Nonstop2h 15m
Fri 11/918:25 -
Nonstop2h 18m
Deal found 18/8$266
Fri 11/913:41 -
Nonstop2h 15m
Sat 19/906:00 -
Nonstop2h 08m
Deal found 18/8$245
Fri 11/920:30 -
Nonstop2h 15m
Fri 18/920:53 -
Nonstop2h 17m
Deal found 18/8$269
Fri 11/906:30 -
1 stop7h 40m
Tue 15/916:40 -
1 stop6h 50m
Deal found 18/8$273
Sun 27/921:30 -
Nonstop2h 21m
Tue 6/1017:45 -
Nonstop2h 19m
Deal found 18/8$270
Tue 29/907:15 -
Nonstop2h 19m
Tue 6/1010:35 -
Nonstop2h 22m
Deal found 18/8$249
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 19 August 2026.
Wed 9/913:45 -
2 stops7h 35m
Deal found 18/8$132
Fri 2/1021:30 -
Nonstop2h 21m
Deal found 17/8$135
Tue 20/1007:16 -
Nonstop2h 22m
Deal found 19/8$138
Wed 23/914:36 -
Nonstop2h 22m
Deal found 17/8$141
Sun 27/921:30 -
Nonstop2h 21m
Deal found 18/8$146
Fri 11/913:55 -
1 stop8h 55m
Deal found 19/8$149
Thu 24/921:30 -
Nonstop2h 21m
Deal found 17/8$154
Sun 8/1107:55 -
1 stop7h 15m
Deal found 16/8$161
Thu 24/921:25 -
Nonstop2h 15m
Deal found 17/8$162
Mon 14/919:35 -
Nonstop2h 22m
Deal found 17/8$165
Thu 19/1115:48 -
Nonstop2h 13m
Deal found 17/8$168
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 19 August 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 19 August 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
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Fri 6/11
21:35-23:56
Nonstop2h 21m
San Francisco
Mon 9/11
17:44-20:04
Nonstop2h 20m
$245
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Wed 16/9
13:45-21:40
1 stop7h 55m
San Francisco
Tue 22/9
16:40-23:30
1 stop6h 50m
$249
Fastest return journey
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Thu 24/9
21:25-23:40
Nonstop2h 15m
San Francisco
Sun 27/9
07:00-09:08
Nonstop2h 08m
$256
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Thu 10/9
09:05-14:40
1 stop5h 35m
San Francisco
Mon 14/9
10:25-18:50
2 stops8h 25m
$256
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Tue 15/9
08:30-14:05
1 stop5h 35m
San Francisco
Tue 22/9
07:40-16:50
2 stops9h 10m
$256
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Tue 20/10
12:05-21:20
2 stops9h 15m
San Francisco
Wed 28/10
15:50-23:55
1 stop8h 05m
$256
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Thu 24/9
09:05-16:30
1 stop7h 25m
San Francisco
Tue 29/9
12:05-19:15
2 stops7h 10m
$256
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Wed 30/9
11:40-19:30
2 stops7h 50m
San Francisco
Wed 7/10
12:15-21:40
2 stops9h 25m
$263
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Wed 23/9
11:40-19:15
2 stops7h 35m
San Francisco
Thu 24/9
10:25-18:50
2 stops8h 25m
$263
SeattleSan Francisco
SEA Seattle/Tacoma Intl - SFO San Francisco
SEASFO
Seattle/Tacoma Intl
Thu 10/9
15:25-23:30
2 stops8h 05m
San Francisco
Fri 11/9
14:00-19:35
1 stop5h 35m
$280
Flights are sorted by cheapest return flights first.
Deals found on 19/8
Showing 1-10 of 21 resultsSorted by cheapest first
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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 $263). Flying from Seattle to San Francisco in July is currently the most expensive (average of $461). 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 19 August 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 $285 and $565 in December.The cheapest return price found within the last 5 days was $242 on Southwest (17 Dec–5 Jan).
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 19 August 2026.
The most flights from SEA to SFO are scheduled on a Monday (99 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (15 on average).
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 past year, Delta have had the lowest number of delays on this route, with just 25% 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 $256, Delta can have you in San Francisco from Seattle in 2h 15m. 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 $1,129, our data indicates the cheapest price to be $173. The most popular route (Seattle/Tacoma Intl - San Francisco), is priced around $214.
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 $263). Flying from Seattle to San Francisco in July is currently the most expensive (average of $461). 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 19 August 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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