Cheap flights from San Francisco to Seattle from $88
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 30/1. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SEA
8 Feb — 15 Feb1
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 January or February, booked 90 days in advance, depart on a Tuesday or Monday and return on a Wednesday
Cheap 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 9 January 2026.
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 9 January 2026.
Thu 29/105:55SFO - SEA
1 stop7h 02mDelta
Mon 2/214:02SEA - SFO
1 stop6h 27mDelta
Deal found 8/1$175
Tue 27/110:30SFO - SEA
1 stop23h 23mAlaska Airlines
Fri 30/120:50SEA - SFO
Nonstop2h 13mAlaska Airlines
Deal found 7/1$179
Tue 10/313:35SFO - SEA
1 stop6h 00mSouthwest
Tue 17/309:00SEA - SFO
1 stop6h 15mSouthwest
Deal found 7/1$181
Sat 7/212:00SFO - SEA
Nonstop2h 18mAlaska Airlines
Sat 7/216:43SEA - SFO
1 stop5h 12mAlaska Airlines
Deal found 6/1$182
Wed 1/409:59SFO - SEA
Nonstop2h 17mAlaska Airlines
Mon 13/420:10SEA - SFO
Nonstop2h 17mAlaska Airlines
Deal found 6/1$185
Tue 27/111:10SFO - SEA
2 stops10h 40mSouthwest
Wed 28/109:55SEA - SFO
1 stop7h 10mSouthwest
Deal found 7/1$188
Sat 14/219:28SFO - SEA
Nonstop2h 20mAlaska Airlines
Sun 15/221:41SEA - SFO
Nonstop2h 18mAlaska Airlines
Deal found 8/1$190
Thu 29/114:58SFO - SEA
1 stop3h 45mAlaska Airlines
Thu 29/120:50SEA - SFO
Nonstop2h 13mAlaska Airlines
Deal found 6/1$191
Fri 30/119:40SFO - SEA
Nonstop2h 18mAlaska Airlines
Sun 1/218:28SEA - SFO
1 stop14h 19mAlaska Airlines
Deal found 8/1$194
Thu 29/109:00SFO - SEA
Nonstop2h 21mAlaska Airlines
Sun 1/220:40SEA - SFO
1 stop16h 54mAlaska Airlines
Deal found 7/1$196
Mon 23/221:18SFO - SEA
Nonstop2h 12mUnited Airlines
Fri 27/212:32SEA - SFO
Nonstop2h 18mUnited Airlines
Deal found 9/1$198
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 9 January 2026.
Thu 29/108:25SFO - SEA
1 stop6h 29mDelta
Mon 2/217:40SEA - SFO
1 stop5h 14mDelta
Deal found 7/1$175
Thu 16/408:00SFO - SEA
1 stop6h 38mAlaska Airlines
Mon 20/421:42SEA - SFO
Nonstop2h 17mAlaska Airlines
Deal found 8/1$190
Wed 11/313:05SFO - SEA
1 stop5h 16mDelta
Fri 13/307:15SEA - SFO
1 stop7h 48mDelta
Deal found 8/1$175
Sat 28/213:15SFO - SEA
1 stop5h 34mDelta
Tue 3/319:00SEA - SFO
1 stop4h 54mDelta
Deal found 8/1$175
Wed 28/118:56SFO - SEA
1 stop3h 37mAlaska Airlines
Wed 4/213:36SEA - SFO
Nonstop2h 14mAlaska Airlines
Deal found 6/1$200
Sat 31/111:36SFO - SEA
1 stop4h 02mAlaska Airlines
Tue 3/215:45SEA - SFO
Nonstop2h 14mAlaska Airlines
Deal found 6/1$200
Thu 29/114:58SFO - SEA
1 stop3h 45mAlaska Airlines
Wed 4/211:43SEA - SFO
Nonstop2h 17mAlaska Airlines
Deal found 6/1$200
Mon 26/106:00SFO - SEA
Nonstop2h 22mDelta
Sun 1/207:15SEA - SFO
Nonstop2h 20mDelta
Deal found 7/1$204
Sun 25/106:00SFO - SEA
Nonstop2h 18mAlaska Airlines
Sun 1/213:36SEA - SFO
Nonstop2h 14mAlaska Airlines
Deal found 7/1$204
Sat 21/205:55SFO - SEA
Nonstop2h 18mDelta
Sun 22/220:30SEA - SFO
Nonstop2h 11mDelta
Deal found 7/1$204
Mon 26/114:35SFO - SEA
Nonstop2h 19mDelta
Fri 30/121:20SEA - SFO
Nonstop2h 10mDelta
Deal found 7/1$204
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 9 January 2026.
Fri 30/106:00SFO - SEA
Nonstop2h 22mDelta
Wed 4/215:30SEA - SFO
Nonstop2h 19mDelta
Deal found 9/1$175
Thu 19/206:30SFO - SEA
Nonstop2h 17mAlaska Airlines
Sun 22/220:41SEA - SFO
Nonstop2h 15mAlaska Airlines
Deal found 7/1$185
Sun 15/306:30SFO - SEA
Nonstop2h 17mAlaska Airlines
Sat 21/307:03SEA - SFO
Nonstop2h 17mAlaska Airlines
Deal found 8/1$188
Sat 14/219:28SFO - SEA
Nonstop2h 20mAlaska Airlines
Sun 15/221:41SEA - SFO
Nonstop2h 18mAlaska Airlines
Deal found 8/1$190
Sat 7/216:10SFO - SEA
Nonstop2h 18mUnited Airlines
Sat 14/205:05SEA - SFO
Nonstop2h 33mUnited Airlines
Deal found 8/1$197
Mon 23/221:18SFO - SEA
Nonstop2h 12mUnited Airlines
Fri 27/212:32SEA - SFO
Nonstop2h 18mUnited Airlines
Deal found 9/1$198
Sun 25/106:00SFO - SEA
Nonstop2h 18mAlaska Airlines
Thu 29/120:50SEA - SFO
Nonstop2h 13mAlaska Airlines
Deal found 8/1$200
Thu 29/114:35SFO - SEA
Nonstop2h 19mDelta
Mon 2/221:20SEA - SFO
Nonstop2h 10mDelta
Deal found 7/1$201
Sun 25/106:00SFO - SEA
Nonstop2h 18mAlaska Airlines
Sun 1/213:36SEA - SFO
Nonstop2h 14mAlaska Airlines
Deal found 7/1$204
Fri 24/420:58SFO - SEA
Nonstop2h 32mUnited Airlines
Sun 26/407:12SEA - SFO
Nonstop2h 18mUnited Airlines
Deal found 7/1$207
Wed 11/216:46SFO - SEA
Nonstop2h 19mAlaska Airlines
Sun 15/221:41SEA - SFO
Nonstop2h 18mAlaska Airlines
Deal found 9/1$212
Wed 11/213:25SFO - SEA
Nonstop2h 19mUnited Airlines
Sat 14/205:05SEA - SFO
Nonstop2h 33mUnited Airlines
Deal found 6/1$213
Last-minute flights from San Francisco to Seattle
Discover last-minute flight deals from San Francisco to Seattle. Data last updated 9 January 2026 and is based on user searches.
Sun 25/106:00SFO - SEA
Nonstop2h 18mAlaska Airlines
Wed 4/217:59SEA - SFO
Nonstop2h 13mAlaska Airlines
Deal found 6/1$200
Tue 27/110:30SFO - SEA
1 stop23h 23mAlaska Airlines
Fri 30/120:50SEA - SFO
Nonstop2h 13mAlaska Airlines
Deal found 7/1$179
Tue 27/111:10SFO - SEA
2 stops10h 40mSouthwest
Wed 28/109:55SEA - SFO
1 stop7h 10mSouthwest
Deal found 7/1$188
Thu 29/105:55SFO - SEA
1 stop7h 02mDelta
Mon 2/214:02SEA - SFO
1 stop6h 27mDelta
Deal found 8/1$175
Thu 29/114:58SFO - SEA
1 stop3h 45mAlaska Airlines
Thu 29/120:50SEA - SFO
Nonstop2h 13mAlaska Airlines
Deal found 6/1$191
Thu 29/109:00SFO - SEA
Nonstop2h 21mAlaska Airlines
Sun 1/220:40SEA - SFO
1 stop16h 54mAlaska Airlines
Deal found 7/1$196
Fri 30/119:40SFO - SEA
Nonstop2h 18mAlaska Airlines
Sun 1/218:28SEA - SFO
1 stop14h 19mAlaska Airlines
Deal found 8/1$194
Sat 7/212:00SFO - SEA
Nonstop2h 18mAlaska Airlines
Sat 7/216:43SEA - SFO
1 stop5h 12mAlaska Airlines
Deal found 6/1$182
Sat 14/220:47SFO - SEA
Nonstop2h 20mAlaska Airlines
Sun 15/221:41SEA - SFO
Nonstop2h 18mAlaska Airlines
Deal found 8/1$190
Thu 19/206:30SFO - SEA
Nonstop2h 17mAlaska Airlines
Sun 22/220:41SEA - SFO
Nonstop2h 15mAlaska Airlines
Deal found 7/1$185
Mon 23/221:18SFO - SEA
Nonstop2h 12mUnited Airlines
Fri 27/212:32SEA - SFO
Nonstop2h 18mUnited Airlines
Deal found 9/1$198
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 9 January 2026.
Fri 30/105:55SFO - SEA
1 stop7h 02mDelta
Deal found 8/1$88
Wed 4/215:00SFO - SEA
1 stop7h 35mSouthwest
Deal found 6/1$91
Wed 4/208:24SFO - SEA
1 stop6h 33mAlaska Airlines
Deal found 7/1$97
Sun 17/506:05SFO - SEA
Nonstop2h 20mDelta
Deal found 8/1$103
Thu 12/306:00SFO - SEA
1 stop8h 00mSouthwest
Deal found 8/1$106
Mon 9/222:39SFO - SEA
Nonstop2h 17mUnited Airlines
Deal found 8/1$110
Sun 8/214:35SFO - SEA
1 stop8h 30mSouthwest
Deal found 8/1$113
Wed 6/507:00SFO - SEA
1 stop25h 50mAlaska Airlines
Deal found 8/1$115
Thu 5/209:00SFO - SEA
Nonstop2h 21mAlaska Airlines
Deal found 7/1$116
Mon 26/114:35SFO - SEA
1 stop8h 30mSouthwest
Deal found 8/1$118
Tue 24/211:10SFO - SEA
2 stops10h 40mSouthwest
Deal found 6/1$121
Cheapflights Fare Finder
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 647,157 searches. Data last updated 9 January 2026.
Use the filters below to find and compare flights from San Francisco to Seattle that are best for you.
Fly from
San Francisco
Fly to
Seattle
Route
Depart
Return
Price
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Thu 29/1
08:25-14:54
1 stop6h 29m
Seattle/Tacoma Intl
Mon 2/2
17:40-22:54
1 stop5h 14m
$175
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Wed 11/3
13:05-18:21
1 stop5h 16m
Seattle/Tacoma Intl
Fri 13/3
07:15-15:03
1 stop7h 48m
$175
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Sat 28/2
13:15-18:49
1 stop5h 34m
Seattle/Tacoma Intl
Tue 3/3
19:00-23:54
1 stop4h 54m
$175
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Thu 16/4
08:00-14:38
1 stop6h 38m
Seattle/Tacoma Intl
Mon 20/4
21:42-23:59
Nonstop2h 17m
$190
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Wed 28/1
18:56-22:33
1 stop3h 37m
Seattle/Tacoma Intl
Wed 4/2
13:36-15:50
Nonstop2h 14m
$200
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Sat 31/1
11:36-15:38
1 stop4h 02m
Seattle/Tacoma Intl
Tue 3/2
15:45-17:59
Nonstop2h 14m
$200
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Thu 29/1
14:58-18:43
1 stop3h 45m
Seattle/Tacoma Intl
Wed 4/2
11:43-14:00
Nonstop2h 17m
$200
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Mon 26/1
06:00-08:22
Nonstop2h 22m
Seattle/Tacoma Intl
Sun 1/2
07:15-09:35
Nonstop2h 20m
$204
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Sun 25/1
06:00-08:18
Nonstop2h 18m
Seattle/Tacoma Intl
Sun 1/2
13:36-15:50
Nonstop2h 14m
$204
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Sat 21/2
05:55-08:13
Nonstop2h 18m
Seattle/Tacoma Intl
Sun 22/2
20:30-22:41
Nonstop2h 11m
$204
Flights are sorted by cheapest return flights first.
Deals found on 7/1
Showing 1-10 of 22 results
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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.
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?
Use this chart to determine the optimal time to book a return flight from San Francisco to Seattle. Price data was last updated on 2 January 2026.
To ensure you get the cheapest price possible for a flight from San Francisco to Seattle, you should look to book at least 64 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, January is the cheapest month in which you can book a flight from San Francisco to Seattle (average of $122). Flying from San Francisco to Seattle in May is currently the most expensive (average of $204). 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 9 January 2026.
It’s typically best to fly out from San Francisco to Seattle at midday. Doing so could potentially save you 75% on the flight price compared to flying in the afternoon, which is usually more expensive.
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 9 January 2026.
The most flights from SFO to SEA are scheduled on a Thursday (85 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (51 on average).
How often are flights from San Francisco to Seattle delayed?
About 15% of weekly flights between San Francisco and Seattle have experienced delays in the past year, with the average delay time being 132 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 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 San Francisco to Seattle flights?
Over the past year, Delta have had the lowest number of delays on this route, with just 10% 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 11 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 6h 50m. Airlines will cover a distance of 1093 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
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 Horizon Air(100%), ITA Airways(86%) or Aeromexico(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 $160. While the most popular route (San Francisco - Seattle/Tacoma Intl) can be booked for $167 on average, our data indicates $220 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, January is the cheapest month in which you can book a flight from San Francisco to Seattle (average of $122). Flying from San Francisco to Seattle in May is currently the most expensive (average of $204). 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 9 January 2026.
Explore flights to Seattle departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 9 January 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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