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Cheap flights from San Francisco to Seattle from $109

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 11/2. 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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Find the cheapest flights from San Francisco to Seattle

Cheap return flights

These are some of the best return flight deals from San Francisco to Seattle that have been recently found on momondo from popular airlines, departing in the coming months.

Cheap one-way flights

Flying one-way? These are some of the best deals recently discovered on momondo for flights from San Francisco to Seattle.

Cheap last-minute flights

Planning a quick getaway from San Francisco to Seattle? These are the last-minute flight deals available now.

Cheap direct flights

If you prefer a non-stop journey, check out our latest direct flight deals to Seattle, so you can enjoy a seamless trip without stopovers.

Cheap bus & train deals from San Francisco to Seattle

Find recent return train or bus tickets from San Francisco to Seattle.

All return flight deals from San Francisco to Seattle

The cheapest plane tickets from San Francisco to Seattle found on KAYAK recently.
20:40 - 23:05SFO-SEA
2h 25mdirect
13:35 - 15:47SEA-SFO
2h 12mdirect
$219Delta
Find Deal
Tue, 11 Feb - Tue, 25 Feb
13:42 - 21:59SFO-SEA
8h 17m1 stop
18:55 - 21:08SEA-SFO
2h 13mdirect
$224Alaska Airlines
Find Deal
Tue, 11 Feb - Wed, 12 Feb
08:53 - 11:12SFO-SEA
2h 19mdirect
07:00 - 09:21SEA-SFO
2h 21mdirect
$235United Airlines
Find Deal
Wed, 5 Mar - Thu, 13 Mar
18:50 - 21:05SFO-SEA
2h 15mdirect
06:25 - 12:15SEA-SFO
5h 50m1 stop
$240Alaska Airlines
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Sat, 1 Mar - Wed, 5 Mar
16:40 - 18:57SFO-SEA
2h 17mdirect
20:10 - 22:23SEA-SFO
2h 13mdirect
$243Delta
Find Deal
Tue, 18 Mar - Sat, 22 Mar
08:53 - 11:12SFO-SEA
2h 19mdirect
15:24 - 17:42SEA-SFO
2h 18mdirect
$248United Airlines
Find Deal
Thu, 13 Feb - Tue, 18 Feb
14:07 - 19:26SFO-SEA
5h 19m1 stop
13:45 - 19:16SEA-SFO
5h 31m1 stop
$250Alaska Airlines
Find Deal
Tue, 11 Feb - Wed, 12 Feb
19:55 - 22:12SFO-SEA
2h 17mdirect
18:55 - 21:08SEA-SFO
2h 13mdirect
$251Alaska Airlines
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Fri, 7 Mar - Sun, 16 Mar
13:40 - 21:00SFO-SEA
7h 20m2 stops
17:35 - 23:55SEA-SFO
6h 20m1 stop
$275Southwest
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Tue, 25 Feb - Thu, 27 Feb
13:40 - 21:00SFO-SEA
7h 20m2 stops
05:55 - 14:55SEA-SFO
9h 00m2 stops
$283Southwest
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Tue, 25 Feb - Thu, 27 Feb
06:10 - 08:35SFO-SEA
2h 25mdirect
$109Delta
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Tue, 11 Feb
13:30 - 15:54SFO-SEA
2h 24mdirect
$110Delta
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Tue, 11 Feb
13:42 - 21:59SFO-SEA
8h 17m1 stop
$114Alaska Airlines
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Tue, 11 Feb
08:05 - 12:16SFO-SEA
4h 11m1 stop
$125Alaska Airlines
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Tue, 18 Feb
13:29 - 15:48SFO-SEA
2h 19mdirect
$126United Airlines
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Fri, 21 Feb
13:40 - 21:00SFO-SEA
7h 20m2 stops
$134Southwest
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Tue, 11 Feb
09:00 - 14:32SFO-SEA
5h 32m1 stop
$141Alaska Airlines
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Fri, 14 Mar
18:35 - 00:50SFO-SEA
6h 15m1 stop
$142Southwest
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Sat, 22 Mar
06:45 - 15:30SFO-SEA
8h 45m2 stops
$150Southwest
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Mon, 3 Mar
22:35 - 00:55SFO-SEA
2h 20mdirect
$160United Airlines
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Thu, 27 Mar
19:55 - 17:29SFO-SEA
21h 34m1 stop
19:59 - 22:12SEA-SFO
2h 13mdirect
$555Alaska Airlines
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Sat, 25 Jan - Sun, 26 Jan
10:00 - 12:18SFO-SEA
2h 18mdirect
15:35 - 08:56SEA-SFO
17h 21m1 stop
$579Alaska Airlines
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Sun, 26 Jan - Sun, 26 Jan
09:15 - 12:51SFO-SEA
3h 36m1 stop
15:55 - 18:07SEA-SFO
2h 12mdirect
$586Alaska Airlines
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Fri, 24 Jan - Fri, 24 Jan
09:15 - 12:51SFO-SEA
3h 36m1 stop
15:55 - 18:07SEA-SFO
2h 12mdirect
$662Alaska Airlines
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Fri, 24 Jan - Fri, 24 Jan
16:37 - 19:00SFO-SEA
2h 23mdirect
20:10 - 22:32SEA-SFO
2h 22mdirect
$672Delta
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Fri, 24 Jan - Fri, 24 Jan
13:30 - 15:54SFO-SEA
2h 24mdirect
13:35 - 15:47SEA-SFO
2h 12mdirect
$682Delta
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Fri, 24 Jan - Sat, 25 Jan
13:40 - 21:00SFO-SEA
7h 20m2 stops
12:25 - 20:35SEA-SFO
8h 10m2 stops
$776Southwest
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Fri, 24 Jan - Mon, 3 Feb
09:00 - 20:10SFO-SEA
11h 10m2 stops
09:00 - 16:25SEA-SFO
7h 25m1 stop
$854Southwest
Find Deal
Fri, 24 Jan - Sat, 25 Jan
07:15 - 14:00SFO-SEA
6h 45m1 stop
17:25 - 22:59SEA-SFO
5h 34m1 stop
$962United Airlines
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Fri, 24 Jan - Fri, 24 Jan
06:45 - 17:02SFO-SEA
10h 17m2 stops
19:24 - 18:59SEA-SFO
23h 35m2 stops
$1,344American Airlines
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Fri, 24 Jan - Fri, 24 Jan
06:10 - 08:35SFO-SEA
2h 25mdirect
06:10 - 08:31SEA-SFO
2h 21mdirect
$219Delta
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Tue, 11 Feb - Wed, 12 Feb
08:53 - 11:12SFO-SEA
2h 19mdirect
07:00 - 09:21SEA-SFO
2h 21mdirect
$235United Airlines
Find Deal
Wed, 5 Mar - Thu, 13 Mar
16:40 - 18:57SFO-SEA
2h 17mdirect
06:15 - 08:33SEA-SFO
2h 18mdirect
$243Delta
Find Deal
Tue, 18 Mar - Sun, 30 Mar
08:53 - 11:12SFO-SEA
2h 19mdirect
15:24 - 17:42SEA-SFO
2h 18mdirect
$248United Airlines
Find Deal
Thu, 13 Feb - Tue, 18 Feb
06:10 - 08:35SFO-SEA
2h 25mdirect
06:10 - 08:31SEA-SFO
2h 21mdirect
$251Delta
Find Deal
Thu, 27 Feb - Sun, 2 Mar
06:10 - 08:35SFO-SEA
2h 25mdirect
06:10 - 08:31SEA-SFO
2h 21mdirect
$259Delta
Find Deal
Thu, 13 Feb - Sun, 23 Feb
18:10 - 20:27SFO-SEA
2h 17mdirect
19:05 - 21:23SEA-SFO
2h 18mdirect
$283Alaska Airlines
Find Deal
Fri, 28 Mar - Wed, 2 Apr
20:49 - 22:59SFO-SEA
2h 10mdirect
07:00 - 09:15SEA-SFO
2h 15mdirect
$299Alaska Airlines
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Fri, 16 May - Sun, 18 May
07:00 - 09:14SFO-SEA
2h 14mdirect
19:59 - 22:09SEA-SFO
2h 10mdirect
$331Alaska Airlines
Find Deal
Sat, 5 Apr - Wed, 9 Apr
14:43 - 16:59SFO-SEA
2h 16mdirect
21:31 - 23:44SEA-SFO
2h 13mdirect
$339Alaska Airlines
Find Deal
Wed, 12 Feb - Fri, 14 Feb

United Airlines flights from San Francisco to Seattle

Our best United Airlines deals on San Francisco to Seattle flight tickets
United Airlines
5 Mar
SFO08:53San Francisco
2h 19m
SEA11:12Seattle/Tacoma Intl
13 Mar
SEA07:00Seattle/Tacoma Intl
2h 21m
SFO09:21San Francisco
United Airlines
13 Feb
SFO08:53San Francisco
2h 19m
SEA11:12Seattle/Tacoma Intl
18 Feb
SEA15:24Seattle/Tacoma Intl
2h 18m
SFO17:42San Francisco
United Airlines
17 Feb
SFO22:35San Francisco
2h 20m
SEA00:55Seattle/Tacoma Intl
18 Feb
SEA15:24Seattle/Tacoma Intl
2h 18m
SFO17:42San Francisco

Delta flights from San Francisco to Seattle

Our best Delta deals on San Francisco to Seattle flight tickets
Delta
11 Feb
SFO20:40San Francisco
2h 25m
SEA23:05Seattle/Tacoma Intl
25 Feb
SEA13:35Seattle/Tacoma Intl
2h 12m
SFO15:47San Francisco
Delta
18 Mar
SFO16:40San Francisco
2h 17m
SEA18:57Seattle/Tacoma Intl
22 Mar
SEA20:10Seattle/Tacoma Intl
2h 13m
SFO22:23San Francisco
Delta
12 Feb
SFO09:21San Francisco
2h 34m
SEA11:55Seattle/Tacoma Intl
18 Feb
SEA05:30Seattle/Tacoma Intl
18h 44m
1 stop
SFO00:14San Francisco

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?

The month of October is, on average, the cheapest month to fly to Seattle from San Francisco, with most prices found around $315. If you are unable to visit Seattle during the month of October, then departing from San Francisco during the month February is also very affordable. Most momondo users find prices during this month for around $323.

What is the cheapest day to depart on your flight to Seattle?

The cheapest day to depart from San Francisco to Seattle is on a Monday. Travellers who choose to depart for Seattle on a Monday will often find tickets for as low as $0. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from San Francisco to Seattle for around $474.

What is the cheapest time of day to depart on your flight to Seattle?

According to our data, the cheapest time of day to fly to Seattle is at midday. momondo users have found flights departing from San Francisco to Seattle at midday for as low as $0. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In contrast, the most expensive time of day to depart to Seattle is in the morning when prices are around $474.

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 25 weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $396 when searching 25 weeks out.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 $264 on momondo.

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

There are 4 cabin classes 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 January 2025, prices for San Francisco to Seattle flights are approximately 2% 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

Best price found

$109

Fastest flight time

1h 56m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from San Francisco in the past 72 hours is $109. The best return flight deal from San Francisco to Seattle found on momondo in the last 72 hours is $219.
The fastest flight from San Francisco to Seattle takes 1h 56m
Direct flights go from San Francisco to Seattle every day.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)

  • Is flying the fastest way to get from San Francisco to Seattle?

    At 1h 56m, choosing to opt for a flight from San Francisco to Seattle for this trip as opposed to a train from San Francisco to Seattle or a bus from San Francisco to Seattle can save you time on travel.

  • Is flying the cheapest way to get from San Francisco to Seattle?

    Expect a flight to be one of the cheapest options available to you for travel. Currently, a flight has deals available from $219. While they may not be the most cost-effective options currently available a train from San Francisco to Seattle or a bus from San Francisco to Seattle can also be options worth looking into if other factors outside of cost are a higher priority.

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

    There are 1091.5 km between San Francisco and Seattle/Tacoma Intl. In terms of flight time, this usually takes a little over 1h 56m.

  • 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 updated daily.

  • How many operators does momondo search for flights from San Francisco Airport to Seattle/Tacoma Intl Airport?

  • 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?

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


Best airlines flying from San Francisco to Seattle

Compare and see reviews for airlines that fly from San Francisco to Seattle with momondo
Airline
Rating
Free cancellation
Price
Alaska AirlinesPriceFrom $235Free cancellationRating
8.0
9,707 reviews
Search Alaska Airlines flights
  • Alaska Airlines Flights From San Francisco to Seattle

    Across 15 Alaska Airlines flights from San Francisco to Seattle this week, the average price was $294, with the best Alaska Airlines deals starting from $147 round-trip. 9,707 users have rated Alaska Airlines on momondo, with an average score of 8.0/10.


Travelling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
SeaTac
Redmond
Leavenworth

Why use momondo?

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

Finding the right flight to Seattle from San Francisco is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Seattle quick and easy, saving you time and money.

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

Yes. All flights to Seattle from San Francisco on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Seattle from San Francisco.

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

Price alerts on flights to Seattle from San Francisco are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


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Airports servicing Washington