Cheap flights from San Francisco to Seattle from $112
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SEA
25 Nov — 2 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from San Francisco to Seattle/Tacoma Intl are usually found in February or January, booked 51 days in advance, depart on a Monday or Tuesday and return on a Tuesday
Cheap flight deals from San Francisco to Seattle
Enter your travel dates to find the best prices.
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Best
Direct
Last-minute
One-way
Cheapest flights from San Francisco to Seattle
Explore the most affordable flight options available from San Francisco to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 October 2026.
Mon 7/1215:58 -
Nonstop2h 15m
Mon 7/1220:51 -
Nonstop2h 11m
Deal found 26/10$188
Tue 17/1110:06 -
Nonstop2h 14m
Thu 19/1107:00 -
Nonstop2h 19m
Deal found 25/10$195
Wed 25/1122:35 -
Nonstop2h 24m
Wed 2/1207:00 -
Nonstop2h 21m
Deal found 25/10$207
Thu 19/1113:05 -
1 stop7h 50m
Mon 23/1106:45 -
1 stop4h 45m
Deal found 25/10$216
Tue 17/1110:25 -
1 stop8h 40m
Thu 19/1105:40 -
1 stop6h 40m
Deal found 25/10$223
Wed 11/1121:20 -
Nonstop2h 13m
Sun 15/1107:00 -
Nonstop2h 19m
Deal found 23/10$232
Tue 17/1114:40 -
2 stops7h 00m
Wed 18/1114:05 -
2 stops7h 20m
Deal found 25/10$237
Mon 21/1210:15 -
1 stop10h 45m
Wed 30/1221:50 -
1 stop11h 50m
Deal found 26/10$239
Sat 14/1118:48 -
Nonstop2h 15m
Mon 16/1119:33 -
Nonstop2h 10m
Deal found 23/10$244
Tue 24/1105:10 -
2 stops13h 25m
Tue 1/1214:05 -
2 stops7h 20m
Deal found 25/10$246
Best flights from San Francisco to Seattle
Discover carefully curated flight deals from San Francisco to Seattle that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 October 2026.
Tue 17/1110:25 -
1 stop8h 40m
Thu 19/1105:40 -
1 stop6h 40m
Deal found 25/10$223
Sat 14/1118:48 -
Nonstop2h 15m
Mon 16/1119:33 -
Nonstop2h 10m
Deal found 23/10$244
Thu 3/1210:41 -
Nonstop2h 19m
Sat 12/1221:22 -
Nonstop2h 21m
Deal found 22/10$268
Thu 19/1107:25 -
Nonstop2h 15m
Thu 19/1113:16 -
Nonstop2h 15m
Deal found 23/10$330
Tue 8/1211:55 -
2 stops9h 45m
Sat 12/1205:05 -
1 stop7h 05m
Deal found 25/10$230
Wed 18/1110:38 -
Nonstop2h 19m
Wed 18/1121:22 -
Nonstop2h 11m
Deal found 23/10$268
Mon 9/1120:58 -
Nonstop2h 15m
Wed 11/1111:43 -
Nonstop2h 27m
Deal found 22/10$295
Fri 4/1214:40 -
2 stops7h 00m
Sun 6/1207:55 -
1 stop5h 10m
Deal found 25/10$294
Thu 18/211:25 -
Nonstop2h 13m
Sun 21/208:10 -
Nonstop2h 17m
Deal found 21/10$295
Sun 15/1106:17 -
Nonstop2h 18m
Fri 20/1121:22 -
Nonstop2h 11m
Deal found 21/10$295
Tue 10/1113:05 -
2 stops8h 35m
Fri 13/1107:30 -
2 stops7h 40m
Deal found 23/10$301
Sat 13/218:30 -
Nonstop2h 20m
Mon 15/221:25 -
Nonstop2h 16m
Deal found 22/10$310
Direct flights from San Francisco to Seattle
Explore direct flight options from San Francisco to Seattle based on user searches, and compare prices and availability for your desired travel dates. Data last updated 26 October 2026.
Mon 7/1215:58 -
Nonstop2h 15m
Mon 7/1220:51 -
Nonstop2h 11m
Deal found 26/10$188
Tue 17/1110:06 -
Nonstop2h 14m
Thu 19/1107:00 -
Nonstop2h 19m
Deal found 25/10$195
Wed 25/1122:35 -
Nonstop2h 24m
Wed 2/1207:00 -
Nonstop2h 21m
Deal found 25/10$207
Thu 12/1121:05 -
Nonstop2h 13m
Fri 13/1107:00 -
Nonstop2h 19m
Deal found 23/10$230
Thu 21/107:10 -
Nonstop2h 28m
Sun 24/117:44 -
Nonstop2h 21m
Deal found 23/10$232
Sat 14/1118:48 -
Nonstop2h 15m
Mon 16/1119:33 -
Nonstop2h 10m
Deal found 23/10$244
Fri 8/117:39 -
Nonstop2h 14m
Mon 11/120:44 -
Nonstop2h 12m
Deal found 24/10$257
Fri 4/1206:00 -
Nonstop2h 16m
Sun 6/1219:36 -
Nonstop2h 12m
Deal found 26/10$259
Thu 12/1106:08 -
Nonstop2h 14m
Thu 12/1111:43 -
Nonstop2h 27m
Deal found 22/10$261
Mon 23/1109:39 -
Nonstop2h 16m
Thu 3/1211:50 -
Nonstop2h 22m
Deal found 25/10$266
Fri 13/1107:25 -
Nonstop2h 15m
Sun 15/1107:00 -
Nonstop2h 19m
Deal found 23/10$267
Fri 13/1110:06 -
Nonstop2h 14m
Mon 16/1120:18 -
Nonstop2h 25m
Deal found 21/10$268
Last-minute flights from San Francisco to Seattle
Discover last-minute flight deals from San Francisco to Seattle. Data last updated 26 October 2026 and is based on user searches.
Wed 11/1121:20 -
Nonstop2h 13m
Sun 15/1107:00 -
Nonstop2h 19m
Deal found 23/10$232
Thu 12/1114:30 -
2 stops9h 40m
Mon 16/1107:00 -
1 stop9h 15m
Deal found 23/10$239
Sat 14/1118:48 -
Nonstop2h 15m
Mon 16/1119:33 -
Nonstop2h 10m
Deal found 23/10$244
Tue 17/1110:06 -
Nonstop2h 14m
Thu 19/1107:00 -
Nonstop2h 19m
Deal found 25/10$195
Tue 17/1110:25 -
1 stop8h 40m
Thu 19/1105:40 -
1 stop6h 40m
Deal found 25/10$223
Tue 17/1114:40 -
2 stops7h 00m
Wed 18/1114:05 -
2 stops7h 20m
Deal found 25/10$237
Tue 17/1113:05 -
2 stops8h 35m
Fri 20/1106:45 -
1 stop4h 45m
Deal found 23/10$260
Thu 19/1113:05 -
1 stop7h 50m
Mon 23/1106:45 -
1 stop4h 45m
Deal found 25/10$216
Tue 24/1105:10 -
2 stops13h 25m
Tue 1/1214:05 -
2 stops7h 20m
Deal found 25/10$246
Wed 25/1122:35 -
Nonstop2h 24m
Wed 2/1207:00 -
Nonstop2h 21m
Deal found 25/10$207
One-way flights from San Francisco to Seattle
Search for one-way flight options from San Francisco to Seattle. Find affordable one-way fares based on user searches. Data last updated 26 October 2026.
Wed 9/1213:05 -
1 stop7h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 26/10$112
Mon 14/1207:00 -
Nonstop2h 16m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 21/10$125
Tue 24/1105:10 -
2 stops13h 25m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 26/10$128
Fri 13/1118:30 -
Nonstop2h 17m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 23/10$134
Thu 26/1106:17 -
Nonstop2h 18m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 21/10$135
Mon 9/1120:59 -
Nonstop2h 27m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 23/10$141
Tue 10/1118:30 -
Nonstop2h 17m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 21/10$146
Sat 2/106:10 -
Nonstop2h 23m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 24/10$148
Wed 11/1113:05 -
1 stop7h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 21/10$149
Mon 9/1112:22 -
Nonstop2h 17m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 21/10$151
Fri 4/1211:55 -
2 stops9h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 23/10$155
Find flight deals from San Francisco to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Seattle (SEA). 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 26 October 2026.
Customise your flight search to find flights from San Francisco to Seattle 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 26 October 2026.
Use the filters below to find and compare flights from San Francisco to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest return flight
San FranciscoSeattle
SFO San Francisco - SEA Seattle/Tacoma Intl
SFOSEA
San Francisco
Wed 9/12
13:05-20:55
1 stop7h 50m
Seattle/Tacoma Intl
Wed 31/12
00:00-00:00
Nonstop0h 00m
$112
San FranciscoSeattle
SFO San Francisco - SEA Seattle/Tacoma Intl
SFOSEA
San Francisco
Fri 4/12
21:30-23:44
Nonstop2h 14m
Seattle/Tacoma Intl
Wed 31/12
00:00-00:00
Nonstop0h 00m
$135
San FranciscoSeattle
SFO San Francisco - SEA Seattle/Tacoma Intl
SFOSEA
San Francisco
Mon 23/11
17:53-20:13
Nonstop2h 20m
Seattle/Tacoma Intl
Wed 31/12
00:00-00:00
Nonstop0h 00m
$135
San FranciscoSeattle
SFO San Francisco - SEA Seattle/Tacoma Intl
SFOSEA
San Francisco
Thu 24/12
06:10-08:33
Nonstop2h 23m
Seattle/Tacoma Intl
Wed 31/12
00:00-00:00
Nonstop0h 00m
$135
San FranciscoSeattle
SFO San Francisco - SEA Seattle/Tacoma Intl
SFOSEA
San Francisco
Tue 24/11
06:17-08:35
Nonstop2h 18m
Seattle/Tacoma Intl
Wed 31/12
00:00-00:00
Nonstop0h 00m
$135
San FranciscoSeattle
SFO San Francisco - SEA Seattle/Tacoma Intl
SFOSEA
San Francisco
Wed 25/11
21:05-23:18
Nonstop2h 13m
Seattle/Tacoma Intl
Wed 31/12
00:00-00:00
Nonstop0h 00m
$148
San FranciscoSeattle
SFO San Francisco - SEA Seattle/Tacoma Intl
SFOSEA
San Francisco
Mon 9/11
14:30-01:00
2 stops10h 30m
Seattle/Tacoma Intl
Wed 31/12
00:00-00:00
Nonstop0h 00m
$172
San FranciscoSeattle
SFO San Francisco - SEA Seattle/Tacoma Intl
SFOSEA
San Francisco
Sun 27/12
06:10-08:33
Nonstop2h 23m
Seattle/Tacoma Intl
Wed 31/12
00:00-00:00
Nonstop0h 00m
$176
Fastest return journey
San FranciscoSeattle
SFO San Francisco - SEA Seattle/Tacoma Intl
SFOSEA
San Francisco
Thu 31/12
14:20-16:32
Nonstop2h 12m
Seattle/Tacoma Intl
Wed 31/12
00:00-00:00
Nonstop0h 00m
$183
San FranciscoSeattle
SFO San Francisco - SEA Seattle/Tacoma Intl
SFOSEA
San Francisco
Sat 28/11
06:17-08:35
Nonstop2h 18m
Seattle/Tacoma Intl
Wed 31/12
00:00-00:00
Nonstop0h 00m
$197
Flights are sorted by cheapest return flights first.
Deals found on 25/10
Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from San Francisco to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from San Francisco with our price prediction graph.
SFO-SEA
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 San Francisco to Seattle
Prices
Airlines
Delays
How far ahead should I book a flight from San Francisco to Seattle?
To ensure you get the cheapest price possible for a flight from San Francisco to Seattle, you should look to book at least 50 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 San Francisco to Seattle?
Currently, February is the cheapest month in which you can book a flight from San Francisco to Seattle (average of $303). Flying from San Francisco to Seattle in July is currently the most expensive (average of $490). 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 SFO to SEA?
Find hourly flight availability from San Francisco to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 October 2026.
It’s typically best to fly out from San Francisco to Seattle in the evening. Doing so could potentially save you 76% on the flight price compared to flying in the afternoon, which is usually more expensive.
How much does it cost for a return flight from San Francisco to Seattle?
Airfare is below average for this route at the moment.
San Francisco to Seattle flights typically cost between $294 and $598 in December.The cheapest return price found within the last 5 days was $188 on Alaska Airlines (7 Dec–7 Dec).
Weekly flight availability from San Francisco to Seattle
Explore weekly flight availability from San Francisco to Seattle. 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 26 October 2026.
The most flights from SFO to SEA are scheduled on a Saturday (82 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (17 on average).
How often are flights from San Francisco to Seattle delayed?
About 18% of weekly flights between San Francisco and Seattle have experienced delays in the past year, with the average delay time being 134 minutes.
What is the most punctual flight time for San Francisco to Seattle flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon 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 Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on San Francisco to Seattle flights?
Over the past year, United Airlines have had the lowest number of delays on this route, with just 16% of flights being delayed.
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Seattle. 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 San Francisco to Seattle flight route?
Flights from San Francisco to Seattle/Tacoma Intl have been viewed 3 times in the past calendar month.
How long is the flight from San Francisco to Seattle?
Departing from San Francisco to Seattle will take you 2h 15m. Airlines will cover a distance of 1093 km. Most flights are nonstop.
What are the most reliable airlines from San Francisco to Seattle?
No one likes to see their flight delayed. When booking a flight from San Francisco to Seattle consider choosing Aeromexico(97%), Air China(91%) or Copa Airlines(85%), as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from San Francisco to Seattle?
Looking at all options, your cheapest flight can be booked for $268. While the most popular route (San Francisco - Seattle/Tacoma Intl) can be booked for $771 on average, our data indicates $384 when flying from San Francisco to Seattle.
Can I find deals for business class flights from San Francisco to Seattle?
Yes. Cheapflights offers flight deals from San Francisco to Seattle 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 San Francisco to Seattle?
Currently, February is the cheapest month in which you can book a flight from San Francisco to Seattle (average of $303). Flying from San Francisco to Seattle in July is currently the most expensive (average of $490). 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.
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on 26 October 2026.
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 26 October 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 San Francisco to Seattle?
900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Seattle from San Francisco today with Cheapflights!
Why should you use Cheapflights to find cheap flight tickets from San Francisco to Seattle?
Cheapflights helps you find that perfect flight to Seattle from San Francisco by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
Can Cheapflights find flights from San Francisco to Seattle with no change fees?
Certainly. Search results for flights to Seattle from San Francisco 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 San Francisco to Seattle become cheaper?
Not ready to book yet? You can track prices for flights from San Francisco to Seattle on Cheapflights with our Price Alert feature and get notified when better prices are available.
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