Cheap flights from Seattle to San Francisco from £58
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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — SFO
30 Nov — 7 Dec1
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 February, booked 78 days in advance, depart on a Saturday or Friday and return on a Thursday
Cheap 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 31 October 2025.
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 31 October 2025.
Thu 4/1213:30SEA - SFO
Nonstop2h 16mAlaska Airlines
Thu 4/1219:25SFO - SEA
Nonstop2h 18mAlaska Airlines
Deal found 30/10£92
Wed 3/1216:40SEA - SFO
Nonstop2h 16mDelta
Fri 5/1205:45SFO - SEA
Nonstop2h 22mDelta
Deal found 30/10£93
Thu 4/1217:59SEA - SFO
Nonstop2h 16mAlaska Airlines
Fri 12/1207:35SFO - SEA
Nonstop2h 17mAlaska Airlines
Deal found 30/10£96
Thu 4/1210:40SEA - SFO
Nonstop2h 19mDelta
Sun 7/1205:45SFO - SEA
Nonstop2h 21mDelta
Deal found 29/10£97
Sun 14/1220:10SEA - SFO
Nonstop2h 21mDelta
Sat 3/105:45SFO - SEA
Nonstop2h 21mDelta
Deal found 30/10£100
Thu 4/1212:45SEA - SFO
1 stop5h 42mHawaiian Airlines
Sun 7/1207:35SFO - SEA
Nonstop2h 17mHawaiian Airlines
Deal found 30/10£101
Thu 4/1213:09SEA - SFO
1 stop18h 44mFrontier
Sun 7/1217:46SFO - SEA
1 stop16h 20mFrontier
Deal found 30/10£102
Sat 20/1222:15SEA - SFO
Nonstop2h 17mDelta
Sat 3/105:45SFO - SEA
Nonstop2h 21mDelta
Deal found 31/10£104
Wed 19/1111:32SEA - SFO
Nonstop2h 18mAlaska Airlines
Wed 19/1116:27SFO - SEA
1 stop5h 41mAlaska Airlines
Deal found 29/10£107
Sun 14/1210:40SEA - SFO
Nonstop2h 19mDelta
Thu 1/105:45SFO - SEA
Nonstop2h 21mDelta
Deal found 31/10£108
Wed 3/1219:21SEA - SFO
Nonstop2h 13mAlaska Airlines
Tue 9/1211:35SFO - SEA
1 stop20h 39mAlaska Airlines
Deal found 28/10£109
Sat 20/1222:15SEA - SFO
Nonstop2h 17mDelta
Thu 1/105:45SFO - SEA
Nonstop2h 21mDelta
Deal found 31/10£112
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 31 October 2025.
Sun 15/220:10SEA - SFO
Nonstop2h 20mDelta
Wed 18/206:05SFO - SEA
Nonstop2h 21mDelta
Deal found 30/10£90
Thu 4/1219:21SEA - SFO
Nonstop2h 13mAlaska Airlines
Wed 10/1218:20SFO - SEA
Nonstop2h 15mAlaska Airlines
Deal found 30/10£93
Tue 10/315:50SEA - SFO
Nonstop2h 18mHawaiian Airlines
Wed 11/309:00SFO - SEA
1 stop5h 43mHawaiian Airlines
Deal found 28/10£112
Sat 6/1207:10SEA - SFO
Nonstop2h 23mDelta
Sun 7/1205:45SFO - SEA
Nonstop2h 21mDelta
Deal found 30/10£93
Thu 4/1215:48SEA - SFO
Nonstop2h 15mAlaska Airlines
Sun 7/1207:35SFO - SEA
Nonstop2h 17mAlaska Airlines
Deal found 30/10£96
Sun 7/1207:10SEA - SFO
Nonstop2h 23mDelta
Mon 15/1205:45SFO - SEA
Nonstop2h 21mDelta
Deal found 30/10£96
Sat 13/1207:10SEA - SFO
Nonstop2h 23mDelta
Sat 3/105:45SFO - SEA
Nonstop2h 21mDelta
Deal found 30/10£96
Fri 27/220:00SEA - SFO
Nonstop2h 18mAlaska Airlines
Tue 3/312:50SFO - SEA
1 stop6h 01mAlaska Airlines
Deal found 30/10£112
Fri 5/1213:37SEA - SFO
Nonstop2h 20mDelta
Sun 14/1210:30SFO - SEA
Nonstop2h 22mDelta
Deal found 30/10£96
Tue 10/313:55SEA - SFO
1 stop5h 25mAlaska Airlines
Wed 11/309:10SFO - SEA
Nonstop2h 17mAlaska Airlines
Deal found 30/10£112
Wed 17/1210:40SEA - SFO
Nonstop2h 19mDelta
Fri 26/1205:45SFO - SEA
Nonstop2h 21mDelta
Deal found 30/10£104
Sat 13/1207:10SEA - SFO
Nonstop2h 23mDelta
Fri 2/105:45SFO - SEA
Nonstop2h 21mDelta
Deal found 29/10£104
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 31 October 2025.
Wed 11/208:25SEA - SFO
Nonstop2h 21mAlaska Airlines
Wed 18/221:40SFO - SEA
Nonstop2h 15mAlaska Airlines
Deal found 30/10£90
Thu 4/1213:30SEA - SFO
Nonstop2h 16mAlaska Airlines
Thu 4/1219:25SFO - SEA
Nonstop2h 18mAlaska Airlines
Deal found 30/10£92
Wed 3/1216:40SEA - SFO
Nonstop2h 16mDelta
Fri 5/1205:45SFO - SEA
Nonstop2h 22mDelta
Deal found 30/10£93
Thu 4/1217:59SEA - SFO
Nonstop2h 16mAlaska Airlines
Fri 12/1207:35SFO - SEA
Nonstop2h 17mAlaska Airlines
Deal found 30/10£96
Thu 4/1207:10SEA - SFO
Nonstop2h 23mDelta
Sun 7/1205:45SFO - SEA
Nonstop2h 21mDelta
Deal found 29/10£97
Sun 14/1220:10SEA - SFO
Nonstop2h 21mDelta
Sat 3/105:45SFO - SEA
Nonstop2h 21mDelta
Deal found 30/10£100
Sat 20/1222:15SEA - SFO
Nonstop2h 17mDelta
Sat 3/105:45SFO - SEA
Nonstop2h 21mDelta
Deal found 31/10£104
Mon 16/208:05SEA - SFO
Nonstop2h 10mAlaska Airlines
Thu 19/206:00SFO - SEA
Nonstop2h 15mAlaska Airlines
Deal found 30/10£105
Sun 14/1220:10SEA - SFO
Nonstop2h 21mDelta
Mon 5/106:05SFO - SEA
Nonstop2h 20mDelta
Deal found 29/10£108
Sat 20/1222:15SEA - SFO
Nonstop2h 17mDelta
Fri 26/1205:45SFO - SEA
Nonstop2h 21mDelta
Deal found 30/10£112
Mon 16/217:10SEA - SFO
Nonstop2h 18mDelta
Sun 22/206:05SFO - SEA
Nonstop2h 21mDelta
Deal found 30/10£112
Fri 19/1216:40SEA - SFO
Nonstop2h 16mDelta
Fri 2/105:45SFO - SEA
Nonstop2h 21mDelta
Deal found 29/10£119
Last-minute flights from Seattle to San Francisco
Discover last-minute flight deals from Seattle to San Francisco. Data last updated 31 October 2025 and is based on user searches.
Wed 19/1111:32SEA - SFO
Nonstop2h 18mAlaska Airlines
Wed 19/1116:27SFO - SEA
1 stop5h 41mAlaska Airlines
Deal found 29/10£107
Wed 19/1105:15SEA - SFO
1 stop6h 15mSouthwest
Wed 19/1114:05SFO - SEA
1 stop8h 50mSouthwest
Deal found 29/10£115
Thu 20/1121:32SEA - SFO
Nonstop2h 18mAlaska Airlines
Mon 24/1122:18SFO - SEA
1 stop14h 59mAlaska Airlines
Deal found 29/10£121
Fri 21/1121:24SEA - SFO
Nonstop2h 12mAlaska Airlines
Wed 10/1207:35SFO - SEA
Nonstop2h 17mAlaska Airlines
Deal found 30/10£104
Fri 21/1121:24SEA - SFO
Nonstop2h 12mAlaska Airlines
Fri 12/1207:35SFO - SEA
Nonstop2h 17mAlaska Airlines
Deal found 30/10£108
Fri 21/1113:20SEA - SFO
Nonstop2h 15mUnited Airlines
Wed 10/1222:35SFO - SEA
Nonstop2h 15mUnited Airlines
Deal found 30/10£119
Sat 22/1120:10SEA - SFO
Nonstop2h 15mDelta
Mon 24/1106:00SFO - SEA
Nonstop2h 23mDelta
Deal found 28/10£127
Sat 22/1120:10SEA - SFO
Nonstop2h 15mDelta
Tue 25/1106:00SFO - SEA
Nonstop2h 23mDelta
Deal found 28/10£138
Mon 24/1108:38SEA - SFO
Nonstop2h 14mAlaska Airlines
Mon 1/1222:18SFO - SEA
1 stop16h 32mAlaska Airlines
Deal found 28/10£137
Wed 26/1113:20SEA - SFO
Nonstop2h 15mUnited Airlines
Wed 3/1206:00SFO - SEA
Nonstop2h 24mUnited Airlines
Deal found 29/10£134
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 31 October 2025.
Wed 3/1214:20SEA - SFO
1 stop8h 10mSouthwest
Deal found 30/10£58
Wed 18/209:45SEA - SFO
1 stop6h 29mAlaska Airlines
Deal found 30/10£58
Thu 1/107:05SEA - SFO
Nonstop2h 24mUnited Airlines
Deal found 29/10£60
Wed 28/108:45SEA - SFO
2 stops6h 45mSouthwest
Deal found 29/10£61
Wed 25/208:45SEA - SFO
2 stops6h 45mSouthwest
Deal found 30/10£64
Wed 17/1208:22SEA - SFO
1 stop8h 17mAlaska Airlines
Deal found 29/10£65
Sat 31/108:25SEA - SFO
1 stop3h 58mAlaska Airlines
Deal found 30/10£67
Mon 24/1105:35SEA - SFO
1 stop8h 30mSouthwest
Deal found 29/10£68
Mon 5/111:15SEA - SFO
1 stop8h 55mSouthwest
Deal found 31/10£71
Mon 9/321:25SEA - SFO
1 stop11h 12mAlaska Airlines
Deal found 29/10£74
Fri 21/1116:00SEA - SFO
1 stop3h 57mAlaska Airlines
Deal found 31/10£74
Cheapflights Fare Finder
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 858,174 searches. Data last updated 31 October 2025.
Use the filters below to find and compare flights from Seattle to San Francisco that are best for you.
Fly from
Seattle
Fly to
San Francisco
Route
Depart
Return
Price
SeattleSan Francisco
SEA - SFO
SEASFO
Seattle/Tacoma Intl
Sun 15/2
20:10-22:30
Nonstop2h 20m
San Francisco
Wed 18/2
06:05-08:26
Nonstop2h 21m
£90
SeattleSan Francisco
SEA - SFO
SEASFO
Seattle/Tacoma Intl
Thu 4/12
19:21-21:34
Nonstop2h 13m
San Francisco
Wed 10/12
18:20-20:35
Nonstop2h 15m
£93
SeattleSan Francisco
SEA - SFO
SEASFO
Seattle/Tacoma Intl
Sat 6/12
07:10-09:33
Nonstop2h 23m
San Francisco
Sun 7/12
05:45-08:06
Nonstop2h 21m
£93
SeattleSan Francisco
SEA - SFO
SEASFO
Seattle/Tacoma Intl
Thu 4/12
15:48-18:03
Nonstop2h 15m
San Francisco
Sun 7/12
07:35-09:52
Nonstop2h 17m
£96
SeattleSan Francisco
SEA - SFO
SEASFO
Seattle/Tacoma Intl
Sun 7/12
07:10-09:33
Nonstop2h 23m
San Francisco
Mon 15/12
05:45-08:06
Nonstop2h 21m
£96
SeattleSan Francisco
SEA - SFO
SEASFO
Seattle/Tacoma Intl
Sat 13/12
07:10-09:33
Nonstop2h 23m
San Francisco
Sat 3/1
05:45-08:06
Nonstop2h 21m
£96
SeattleSan Francisco
SEA - SFO
SEASFO
Seattle/Tacoma Intl
Fri 5/12
13:37-15:57
Nonstop2h 20m
San Francisco
Sun 14/12
10:30-12:52
Nonstop2h 22m
£96
SeattleSan Francisco
SEA - SFO
SEASFO
Seattle/Tacoma Intl
Wed 17/12
10:40-12:59
Nonstop2h 19m
San Francisco
Fri 26/12
05:45-08:06
Nonstop2h 21m
£104
SeattleSan Francisco
SEA - SFO
SEASFO
Seattle/Tacoma Intl
Sat 13/12
07:10-09:33
Nonstop2h 23m
San Francisco
Fri 2/1
05:45-08:06
Nonstop2h 21m
£104
SeattleSan Francisco
SEA - SFO
SEASFO
Seattle/Tacoma Intl
Tue 10/3
15:50-18:08
Nonstop2h 18m
San Francisco
Wed 11/3
09:00-14:43
1 stop5h 43m
£112
Flights are sorted by cheapest return flights first.
Deals found on 30/10
Showing 1-10 of 22 results
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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.
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
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 return flight from Seattle to San Francisco. Price data was last updated on 24 October 2025.
The best time to book flights from Seattle to San Francisco is 58 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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 £66). Flying from Seattle to San Francisco in May is currently the most expensive (average of £104). 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 31 October 2025.
Unlike in the afternoon, when flights are generally more expensive, you can save up to 82% on flights from Seattle to San Francisco by exploring options for tickets in the morning.
How much does it cost for a return flight from Seattle to San Francisco?
How often are flights from Seattle to San Francisco delayed?
About 20% of weekly flights between Seattle and San Francisco have experienced delays in the past year, with the average delay time being 130 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 past year, SWISS have had the lowest number of delays on this route, with just 10% of flights being delayed.
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 31 October 2025.
See what other customers who have flown with Alaska Airlines from Seattle to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Good flight except the uncontrollable cold air from the ceiling.
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.
What airports do I use to fly from Seattle to San Francisco?
You will need to book a flight from Seattle/Tacoma Intl to San Francisco if you want to fly from Seattle to San Francisco. At least 1 airline has flights from Seattle/Tacoma Intl (SEA) to San Francisco (SFO) on a regular basis. There are 34 flights to San Francisco from the Seattle airport per day. If you manage to book one that is nonstop, then you can expect the flight time from SEA to SFO to be around 2h 13m.
How popular is this Seattle to San Francisco flight route?
Flights from Seattle/Tacoma Intl to San Francisco have been viewed 10 times in the past calendar month.
How long is the flight from Seattle to San Francisco?
Departing from Seattle to San Francisco will take you 2h 13m. The distance between Seattle and San Francisco is about 679 mi. Generally, flights for this route are direct.
What is the cheapest airline to fly from Seattle to San Francisco round-trip?
According to our current data, Alaska Airlines (£84), offers the cheapest pricing from Seattle to San Francisco. This flight start at 53% lower than the current average price 3 months from now.
What are the most reliable airlines from Seattle to San Francisco?
No one likes to see their flight delayed. When booking a flight from Seattle to San Francisco consider choosing Horizon Air (100%), SWISS (96%) or Turkish Airlines (94%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Seattle to San Francisco?
On average you can expect to pay £109 for a flight from Seattle to San Francisco. The cheapest flight overall is £70 while the most popular route, (Seattle/Tacoma Intl - San Francisco) is currently priced at £89.
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 £66). Flying from Seattle to San Francisco in May is currently the most expensive (average of £104). 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 31 October 2025.
Discover the top airline 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 858,174 searches. Data last updated 31 October 2025.
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?
Cheapflights makes it easy to find Seattle to San Francisco flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.
Why should you use Cheapflights to find cheap flight tickets from Seattle to San Francisco?
Cheapflights helps you find that perfect flight to San Francisco from Seattle 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 Seattle to San Francisco with no change fees?
Yes! Cheapflights helps users easily find flights from Seattle to San Francisco with no change fees.
Can Cheapflights notify me if prices for flights from Seattle to San Francisco become cheaper?
Of course! You can now track prices for flights from Seattle to San Francisco and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.
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