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Cheap flights from San Francisco to Seattle from €80

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 3/6. 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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Find the cheapest flights from San Francisco to Seattle

Cheap return flights

Enter your travel dates to find the best prices.
Southwest Logo
08:45 - 16:55
SFO
-
SEA
8h 10m
1 stop
Southwest Logo
19:10 - 00:50
SEA
-
SFO
5h 40m
1 stop
€133Southwest
Fri, 19 Jun - Fri, 19 Jun
Southwest Logo
17:20 - 00:40
SFO
-
SEA
7h 20m
2 stops
Southwest Logo
17:20 - 00:50
SEA
-
SFO
7h 30m
1 stop
€134Southwest
Tue, 16 Jun - Thu, 18 Jun
Southwest Logo
07:40 - 18:00
SFO
-
SEA
10h 20m
1 stop
Southwest Logo
07:35 - 13:40
SEA
-
SFO
6h 05m
1 stop
€138Southwest
Wed, 3 Jun - Wed, 10 Jun
Southwest Logo
17:20 - 00:40
SFO
-
SEA
7h 20m
2 stops
Southwest Logo
07:30 - 15:10
SEA
-
SFO
7h 40m
2 stops
€138Southwest
Tue, 16 Jun - Thu, 18 Jun
Southwest Logo
11:25 - 21:00
SFO
-
SEA
9h 35m
2 stops
Southwest Logo
06:30 - 14:15
SEA
-
SFO
7h 45m
2 stops
€142Southwest
Wed, 3 Jun - Wed, 10 Jun
Southwest Logo
06:10 - 18:55
SFO
-
SEA
12h 45m
1 stop
Southwest Logo
07:30 - 15:00
SEA
-
SFO
7h 30m
2 stops
€143Southwest
Sat, 20 Jun - Wed, 24 Jun
Alaska Airlines Logo
06:00 - 08:17
SFO
-
SEA
2h 17mdirect
Alaska Airlines Logo
11:40 - 14:04
SEA
-
SFO
2h 24mdirect
€146Alaska Airlines
Tue, 2 Jun - Tue, 2 Jun
Southwest Logo
12:50 - 01:10
SFO
-
SEA
12h 20m
2 stops
Southwest Logo
11:40 - 17:50
SEA
-
SFO
6h 10m
2 stops
€147Southwest
Sun, 31 May - Mon, 1 Jun
Delta Logo
10:29 - 12:45
SFO
-
SEA
2h 16mdirect
Delta Logo
21:45 - 00:06
SEA
-
SFO
2h 21mdirect
€150Delta
Tue, 2 Jun - Tue, 16 Jun
Alaska Airlines Logo
06:00 - 08:17
SFO
-
SEA
2h 17mdirect
Alaska Airlines Logo
11:40 - 14:04
SEA
-
SFO
2h 24mdirect
€155Alaska Airlines
Tue, 2 Jun - Tue, 2 Jun

Delta flights from San Francisco to Seattle

Our best Delta deals on San Francisco to Seattle flight tickets
Delta
2 Jun
SFO10:29San Francisco
2h 16m
SEA12:45Seattle/Tacoma Intl
16 Jun
SEA21:45Seattle/Tacoma Intl
2h 21m
SFO00:06San Francisco
€150
Delta
3 Jun
SFO05:55San Francisco
2h 20m
SEA08:15Seattle/Tacoma Intl
10 Jun
SEA09:45Seattle/Tacoma Intl
2h 23m
SFO12:08San Francisco
€159
Delta
1 Jun
SFO10:29San Francisco
2h 16m
SEA12:45Seattle/Tacoma Intl
17 Jun
SEA07:20Seattle/Tacoma Intl
2h 19m
SFO09:39San Francisco
€169

United Airlines flights from San Francisco to Seattle

Our best United Airlines deals on San Francisco to Seattle flight tickets
United Airlines
9 Jun
SFO21:10San Francisco
2h 22m
SEA23:32Seattle/Tacoma Intl
13 Jun
SEA10:29Seattle/Tacoma Intl
2h 18m
SFO12:47San Francisco
€187
United Airlines
30 May
SFO22:59San Francisco
2h 14m
SEA01:13Seattle/Tacoma Intl
4 Jun
SEA07:00Seattle/Tacoma Intl
2h 18m
SFO09:18San Francisco
€188
United Airlines
6 Jun
SFO22:59San Francisco
2h 14m
SEA01:13Seattle/Tacoma Intl
13 Jun
SEA08:45Seattle/Tacoma Intl
2h 18m
SFO11:03San Francisco
€207

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 12 May 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 - SEA

SFOSEA

San Francisco

Fri 19/6

08:45-16:55

1 stop8h 10m

Seattle/Tacoma Intl

Fri 19/6

19:10-00:50

1 stop5h 40m

€133

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 16/6

17:20-00:40

2 stops7h 20m

Seattle/Tacoma Intl

Thu 18/6

17:20-00:50

1 stop7h 30m

€134

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 3/6

07:40-18:00

1 stop10h 20m

Seattle/Tacoma Intl

Wed 10/6

07:35-13:40

1 stop6h 05m

€138

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 16/6

17:20-00:40

2 stops7h 20m

Seattle/Tacoma Intl

Thu 18/6

07:30-15:10

2 stops7h 40m

€138

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Wed 3/6

11:25-21:00

2 stops9h 35m

Seattle/Tacoma Intl

Wed 10/6

06:30-14:15

2 stops7h 45m

€142

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sat 20/6

06:10-18:55

1 stop12h 45m

Seattle/Tacoma Intl

Wed 24/6

07:30-15:00

2 stops7h 30m

€143

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 2/6

06:00-08:17

Nonstop2h 17m

Seattle/Tacoma Intl

Tue 2/6

11:40-14:04

Nonstop2h 24m

€146

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Sun 31/5

12:50-01:10

2 stops12h 20m

Seattle/Tacoma Intl

Mon 1/6

11:40-17:50

2 stops6h 10m

€147
Fastest return journey

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 2/6

10:29-12:45

Nonstop2h 16m

Seattle/Tacoma Intl

Tue 16/6

21:45-00:06

Nonstop2h 21m

€150

San FranciscoSeattle

SFO - SEA

SFOSEA

San Francisco

Tue 2/6

06:00-08:17

Nonstop2h 17m

Seattle/Tacoma Intl

Tue 2/6

11:40-14:04

Nonstop2h 24m

€155

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

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 typical price of a round-trip flight between San Francisco and Seattle?

What is the cheapest month to fly to Seattle?

If you’re not able to fly to Seattle in February, then October is your next best option. Flight prices from San Francisco to Seattle during October average around €218.

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 from San Francisco 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 €232 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 €172 on momondo.

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

As of May 2026, prices for San Francisco to Seattle flights are approximately 12% more expensive 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 22m

Direct flights

Every day

Airports in Seattle

1 airport
The fastest flight from San Francisco to Seattle takes 2h 22m
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

Frequently asked questions about flying from San Francisco to Seattle

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

    Seattle/Tacoma Intl is 1092.6 km away from San Francisco. Typically, this will take 2h 22m 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.

An easier way to manage your Seattle trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
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