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Cheap flights from San Francisco to Seattle from €63

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Seattle departing on 24/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

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Delta Logo
14:39 - 16:58
SFO
-
SEA
2h 19mdirect
Delta Logo
13:45 - 16:03
SEA
-
SFO
2h 18mdirect
€124Delta
Tue, 3 Mar - Wed, 11 Mar
Alaska Airlines Logo
11:13 - 13:32
SFO
-
SEA
2h 19mdirect
Alaska Airlines Logo
21:42 - 23:59
SEA
-
SFO
2h 17mdirect
€128Alaska Airlines
Tue, 14 Apr - Thu, 16 Apr
Delta Logo
05:55 - 08:13
SFO
-
SEA
2h 18mdirect
Delta Logo
11:35 - 13:48
SEA
-
SFO
2h 13mdirect
€133Delta
Fri, 27 Feb - Mon, 2 Mar
Alaska Airlines Logo
09:00 - 14:41
SFO
-
SEA
5h 41m
1 stop
Alaska Airlines Logo
08:15 - 10:37
SEA
-
SFO
2h 22mdirect
€137Alaska Airlines
Tue, 24 Feb - Wed, 4 Mar
Alaska Airlines Logo
13:43 - 20:42
SFO
-
SEA
6h 59m
1 stop
Alaska Airlines Logo
11:36 - 16:46
SEA
-
SFO
5h 10m
1 stop
€141Alaska Airlines
Tue, 14 Apr - Wed, 22 Apr
Southwest Logo
16:40 - 22:50
SFO
-
SEA
6h 10m
1 stop
Southwest Logo
05:00 - 14:20
SEA
-
SFO
9h 20m
1 stop
€145Southwest
Sat, 28 Feb - Sun, 1 Mar
United Airlines Logo
21:15 - 23:28
SFO
-
SEA
2h 13mdirect
United Airlines Logo
05:00 - 07:31
SEA
-
SFO
2h 31mdirect
€148United Airlines
Thu, 26 Mar - Sat, 28 Mar
Delta Logo
05:59 - 08:19
SFO
-
SEA
2h 20mdirect
Delta Logo
14:10 - 16:31
SEA
-
SFO
2h 21mdirect
€150Delta
Thu, 16 Apr - Wed, 27 May
United Airlines Logo
20:58 - 23:27
SFO
-
SEA
2h 29mdirect
United Airlines Logo
07:12 - 09:30
SEA
-
SFO
2h 18mdirect
€151United Airlines
Sat, 18 Apr - Mon, 20 Apr
United Airlines Logo
13:25 - 15:41
SFO
-
SEA
2h 16mdirect
United Airlines Logo
17:20 - 19:37
SEA
-
SFO
2h 17mdirect
€152United Airlines
Thu, 26 Feb - Tue, 3 Mar

Delta flights from San Francisco to Seattle

Our best Delta deals on San Francisco to Seattle flight tickets
Delta
3 Mar
SFO14:39San Francisco
2h 19m
SEA16:58Seattle/Tacoma Intl
11 Mar
SEA13:45Seattle/Tacoma Intl
2h 18m
SFO16:03San Francisco
€124
Delta
11 Apr
SFO06:00San Francisco
2h 16m
SEA08:16Seattle/Tacoma Intl
15 Apr
SEA13:45Seattle/Tacoma Intl
9h 35m
1 stop
SFO23:20San Francisco
€156
Delta
9 Apr
SFO06:00San Francisco
2h 16m
SEA08:16Seattle/Tacoma Intl
21 Apr
SEA07:35Seattle/Tacoma Intl
12h 19m
1 stop
SFO19:54San Francisco
€161

United Airlines flights from San Francisco to Seattle

Our best United Airlines deals on San Francisco to Seattle flight tickets
United Airlines
27 Feb
SFO21:18San Francisco
2h 12m
SEA23:30Seattle/Tacoma Intl
2 Mar
SEA12:32Seattle/Tacoma Intl
2h 18m
SFO14:50San Francisco
€133
United Airlines
26 Mar
SFO21:15San Francisco
2h 13m
SEA23:28Seattle/Tacoma Intl
28 Mar
SEA05:00Seattle/Tacoma Intl
2h 31m
SFO07:31San Francisco
€148
United Airlines
18 Apr
SFO20:58San Francisco
2h 29m
SEA23:27Seattle/Tacoma Intl
20 Apr
SEA07:12Seattle/Tacoma Intl
2h 18m
SFO09:30San Francisco
€151

momondo 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, momondo users made 13,528 searches. Data last updated 3 February 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

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 3/3

14:39-16:58

Nonstop2h 19m

Seattle/Tacoma Intl

Wed 11/3

13:45-16:03

Nonstop2h 18m

€124

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 14/4

11:13-13:32

Nonstop2h 19m

Seattle/Tacoma Intl

Thu 16/4

21:42-23:59

Nonstop2h 17m

€128

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Fri 27/2

05:55-08:13

Nonstop2h 18m

Seattle/Tacoma Intl

Mon 2/3

11:35-13:48

Nonstop2h 13m

€133

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 24/2

09:00-14:41

1 stop5h 41m

Seattle/Tacoma Intl

Wed 4/3

08:15-10:37

Nonstop2h 22m

€137

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 14/4

13:43-20:42

1 stop6h 59m

Seattle/Tacoma Intl

Wed 22/4

11:36-16:46

1 stop5h 10m

€141

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 28/2

16:40-22:50

1 stop6h 10m

Seattle/Tacoma Intl

Sun 1/3

05:00-14:20

1 stop9h 20m

€145

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Thu 26/3

21:15-23:28

Nonstop2h 13m

Seattle/Tacoma Intl

Sat 28/3

05:00-07:31

Nonstop2h 31m

€148

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Thu 16/4

05:59-08:19

Nonstop2h 20m

Seattle/Tacoma Intl

Wed 27/5

14:10-16:31

Nonstop2h 21m

€150

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 18/4

20:58-23:27

Nonstop2h 29m

Seattle/Tacoma Intl

Mon 20/4

07:12-09:30

Nonstop2h 18m

€151

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Thu 26/2

13:25-15:41

Nonstop2h 16m

Seattle/Tacoma Intl

Tue 3/3

17:20-19:37

Nonstop2h 17m

€152

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Seattle from

How to get the cheapest flight ticket from San Francisco to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Seattle?

If you’re not able to fly to Seattle in February, then March is your next best option. Flight prices from San Francisco to Seattle during March average around €192.

What is the cheapest San Francisco to Seattle/Tacoma Intl flight route?

Fly from San Francisco to Seattle/Tacoma Intl for the best San Francisco - Seattle/Tacoma Intl flight prices

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around €213 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from San Francisco for as low as €156 on momondo.

What cabin class options are available on San Francisco to Seattle/Tacoma Intl flights?

There is only 1 cabin class available to choose from on San Francisco to Seattle/Tacoma Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have San Francisco to Seattle flight prices changed over time?

As of February 2026, prices for San Francisco to Seattle flights are approximately 14% cheaper when compared to flights at the same time last year.

When to book flights from San Francisco to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from San Francisco to Seattle according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap San Francisco to Seattle (SFO to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San Francisco to Seattle

Fastest flight time

2h 20m

Direct flights

Every day

Airports in Seattle

1 airport
The fastest flight from San Francisco to Seattle takes 2h 20m
Direct flights go from San Francisco to Seattle every day.
There is 1 airport in Seattle. From San Francisco there are direct flights to Seattle/Tacoma Intl (SEA).
Search flight deals

  • How far is San Francisco to Seattle/Tacoma Intl by plane?

    Seattle/Tacoma Intl is 1091.5 km away from San Francisco. Typically, this will take 2h 20m by plane in normal conditions.

  • When did momondo last update prices for flights from San Francisco Airport to Seattle/Tacoma Intl Airport?

    Prices for flights from San Francisco Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

  • How old do you have to be to fly from San Francisco Airport to Seattle/Tacoma Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San Francisco Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents you'll need for your trip to Seattle/Tacoma Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from San Francisco to Seattle?

Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Aberdeen
Lynnwood

Why use momondo?

Why should I use momondo to find a flight deal from San Francisco to Seattle?

It is quick and easy to find San Francisco to Seattle flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Seattle that suits you.

Can I find flights from San Francisco to Seattle with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Seattle from San Francisco with this policy.

How can momondo help me find flights from San Francisco to Seattle?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from San Francisco to Seattle.

I’m not ready to book a flight from San Francisco to Seattle right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from San Francisco and alert you when they change.

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Airports servicing Washington

Spokane Airport