Save time by ordering meals for pickup from restaurants participating in the SFO2Go program during busy times.
$59+ Cheap flights from San Francisco to Seattle (SFO - SEA)
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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SEA
Feb 14 — Feb 211
1 adult, Economy
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Find cheap flights from San Francisco to Seattle with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from San Francisco to Seattle/Tacoma Intl are usually found in February or March, booked 90 days in advance, depart on a Friday or Thursday and return on a Friday
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 January 15, 2026.
Most accurate provider | CheapOair 3 stars |
|---|---|
Most trusted provider | CheapOair 3 stars |
Round-trip from | $117 (Alaska Airlines) |
One-way from | $59 (United Airlines) |
Popular in | November |
Cheapest in | February |
Average price | $237 |
Good round-trip deal | $217 or less |
Good one-way deal | $176 or less |
Find flight deals from San Francisco to Seattle
Cheapest flights from San Francisco to SeattleExplore 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 January 15, 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 January 15, 2026.
This Alaska Airlines deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/44:46 pm
SFO
- SEA
Nonstop2h 19m
Alaska Airlines
Tue 2/246:21 pm
SEA
- SFO
Nonstop2h 15m
Alaska Airlines
Deal found 1/14![Alaska Airlines logo]()
$117
This Delta deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/510:30 am
SFO
- SEA
Nonstop2h 23m
Delta
Mon 2/97:15 am
SEA
- SFO
Nonstop2h 20m
Delta
Deal found 1/14![Delta logo]()
$118
This United Airlines deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/1710:37 pm
SFO
- SEA
Nonstop2h 22m
United Airlines
Sat 2/217:15 am
SEA
- SFO
Nonstop2h 19m
United Airlines
Deal found 1/14![United Airlines logo]()
$126
This United Airlines deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/186:44 pm
SFO
- SEA
Nonstop2h 17m
United Airlines
Sun 2/227:15 am
SEA
- SFO
Nonstop2h 19m
United Airlines
Deal found 1/13![United Airlines logo]()
$127
This Expedia deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/248:42 am
SFO
- SEA
Nonstop2h 21m
Multiple Airlines
Sat 2/281:16 pm
SEA
- SFO
1 stop18h 47m
Multiple Airlines
Deal found 1/14![Multiple Airlines logo]()
$128
This United Airlines deal was found by Cheapflights users on 1/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/1210:37 pm
SFO
- SEA
Nonstop2h 22m
United Airlines
Thu 2/197:15 am
SEA
- SFO
Nonstop2h 19m
United Airlines
Deal found 1/13![United Airlines logo]()
$129
This Kiwi.com deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/87:00 am
SFO
- SEA
Nonstop2h 18m
Hawaiian Airlines
Tue 2/108:30 am
SEA
- SFO
1 stop5h 06m
Hawaiian Airlines
Deal found 1/14![Hawaiian Airlines logo]()
$132
This Trip.com deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/76:18 pm
SFO
- SEA
Nonstop2h 16m
Hawaiian Airlines
Tue 2/1010:32 am
SEA
- SFO
1 stop7h 16m
Hawaiian Airlines
Deal found 1/14![Hawaiian Airlines logo]()
$136
This Delta deal was found by Cheapflights users on 1/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/48:25 am
SFO
- SEA
1 stop6h 29m
Delta
Sat 2/71:40 pm
SEA
- SFO
Nonstop2h 18m
Delta
Deal found 1/15![Delta logo]()
$137
This Alaska Airlines deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/69:00 am
SFO
- SEA
Nonstop2h 22m
Alaska Airlines
Wed 5/62:48 pm
SEA
- SFO
Nonstop2h 21m
Alaska Airlines
Deal found 1/14![Alaska Airlines logo]()
$142
This Kiwi.com deal was found by Cheapflights users on 1/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/52:58 pm
SFO
- SEA
1 stop3h 45m
Hawaiian Airlines
Mon 2/98:50 pm
SEA
- SFO
Nonstop2h 13m
Hawaiian Airlines
Deal found 1/14![Hawaiian Airlines logo]()
$143
Cheapflights Fare Finder
Customize 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 2,558,603 searches. Data last updated January 15, 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
Fri 2/6
2:35 pm-4:54 pm
Nonstop2h 19m
Seattle/Tacoma Intl
Wed 2/11
11:30 am-1:43 pm
Nonstop2h 13m
$117
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Fri 2/6
4:10 pm-6:27 pm
Nonstop2h 17m
Seattle/Tacoma Intl
Mon 2/9
7:30 pm-9:48 pm
Nonstop2h 18m
$117
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Wed 2/25
11:34 am-1:55 pm
Nonstop2h 21m
Seattle/Tacoma Intl
Sat 2/28
6:21 pm-8:36 pm
Nonstop2h 15m
$117
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Thu 2/26
5:55 am-8:13 am
Nonstop2h 18m
Seattle/Tacoma Intl
Sun 3/1
7:10 am-9:30 am
Nonstop2h 20m
$117
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Fri 3/6
10:37 pm-12:59 am
Nonstop2h 22m
Seattle/Tacoma Intl
Sun 3/8
7:10 am-9:28 am
Nonstop2h 18m
$117
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Wed 2/4
10:30 am-12:53 pm
Nonstop2h 23m
Seattle/Tacoma Intl
Wed 2/11
3:30 pm-5:49 pm
Nonstop2h 19m
$117
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Thu 2/19
5:55 am-8:13 am
Nonstop2h 18m
Seattle/Tacoma Intl
Tue 2/24
1:35 pm-3:51 pm
Nonstop2h 16m
$117
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Wed 3/25
6:05 am-8:21 am
Nonstop2h 16m
Seattle/Tacoma Intl
Wed 4/1
4:25 pm-6:44 pm
Nonstop2h 19m
$132
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Thu 3/5
8:42 am-11:03 am
Nonstop2h 21m
Seattle/Tacoma Intl
Sun 3/8
9:41 pm-11:59 pm
Nonstop2h 18m
$137
San FranciscoSeattle
SFO - SEA
SFOSEA
San Francisco
Fri 2/20
5:55 am-8:13 am
Nonstop2h 18m
Seattle/Tacoma Intl
Mon 2/23
5:59 pm-11:04 pm
1 stop5h 05m
$137
Showing 1-10 of 23 results
Compare providers for flights from San Francisco to Seattle
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Seattle in January.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Francisco-Seattle flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on San Francisco-Seattle flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from San Francisco-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-Seattle flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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 round-trip 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 round-trip flight from San Francisco to Seattle. Price data was last updated on January 9, 2026.
The best time to book flights from San Francisco to Seattle is 64 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 San Francisco to Seattle?
Currently, January is the cheapest month in which you can book a flight from San Francisco to Seattle (average of $77). Flying from San Francisco to Seattle in May is currently the most expensive (average of $137). 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 January 15, 2026.
A simple way to save on the total cost of your ticket is to fly from San Francisco to Seattle in the afternoon. If you’re flexible enough to do this you can expect to save up to 24% on your trip compared to booking a flight in the morning.
What is the cheapest day to fly from San Francisco to Seattle?
Use this chart to determine the cheapest time to fly round-trip from San Francisco to Seattle. Price data was last updated on January 10, 2026.
Travelers seeking maximum savings on their San Francisco to Seattle flight should consider departing on Friday afternoons when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
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 last year, Delta have had the lowest number of delays on this route, with just 10% of flights being delayed.
The best insider tips for San Francisco to Seattle flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your San Francisco to Seattle trip
Reviews of airlines servicing Seattle
Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated January 15, 2026.
Read through reviews of airlines operating flights from San Francisco to Seattle, such as Alaska Airlines, Delta, and Hawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Crew
8.5
Overall
8.0
Food
7.1
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Boarding
8.1
Crew
8.5
Overall
8.0
Food
7.1
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Boarding
8.1
Crew
8.5
Overall
8.0
Food
7.1
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Boarding
8.1
Crew
8.5
Overall
8.0
Food
7.1
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Boarding
8.1
Crew
8.5
Overall
8.0
Food
7.1
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
Boarding
8.1
Crew
8.5
Overall
8.0
Food
7.1
Entertainment
7.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Dec 2025
SJC - SEA
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.
Traveling to a place near Seattle?
Book flights to Seattle if you plan to visit one of these locationsTacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Lynnwood
Lacey
Edmonds
Renton
Puyallup
Kirkland
Kent
Tukwila
Marysville
Fife
Aberdeen
Shoreline
Centralia
Federal Way
Chehalis
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for San Francisco to Seattle
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from San Francisco to Seattle
Discover the top 6 airlines that operate flights from San Francisco to Seattle. 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 2,558,603 searches. Data last updated January 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$96 | Average$193 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$99 | Average$210 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$107 | Average$255 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$123 | Average$264 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$135 | Average$258 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$277 | Average$386 | FlexibilityNo cancel fee | On-time71% |