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Cheap flights from Seattle to San Francisco from $59

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to San Francisco departing on 2/5. 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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0 bags

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Find the cheapest flights from Seattle to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
7:41 pm - 9:55 pm
SEA
-
SFO
2h 14mnonstop
Alaska Airlines Logo
6:27 pm - 8:47 pm
SFO
-
SEA
2h 20mnonstop
$102Alaska Airlines
Sat, Feb 28 - Sat, Mar 7
Alaska Airlines Logo
5:59 pm - 8:12 pm
SEA
-
SFO
2h 13mnonstop
Alaska Airlines Logo
7:00 am - 9:18 am
SFO
-
SEA
2h 18mnonstop
$103Alaska Airlines
Sat, Feb 7 - Sun, Feb 8
Hawaiian Airlines Logo
8:41 pm - 10:56 pm
SEA
-
SFO
2h 15mnonstop
Hawaiian Airlines Logo
8:47 pm - 11:07 pm
SFO
-
SEA
2h 20mnonstop
$106Hawaiian Airlines
Thu, Feb 19 - Mon, Feb 23
Hawaiian Airlines Logo
5:59 pm - 8:12 pm
SEA
-
SFO
2h 13mnonstop
Hawaiian Airlines Logo
9:00 am - 11:21 am
SFO
-
SEA
2h 21mnonstop
$107Hawaiian Airlines
Sat, Feb 7 - Sun, Feb 8
Hawaiian Airlines Logo
7:41 pm - 9:55 pm
SEA
-
SFO
2h 14mnonstop
Hawaiian Airlines Logo
7:28 pm - 9:48 pm
SFO
-
SEA
2h 20mnonstop
$108Hawaiian Airlines
Sat, Feb 28 - Sat, Mar 7
Hawaiian Airlines Logo
5:59 pm - 8:12 pm
SEA
-
SFO
2h 13mnonstop
Hawaiian Airlines Logo
7:00 am - 9:18 am
SFO
-
SEA
2h 18mnonstop
$109Hawaiian Airlines
Sat, Feb 7 - Sun, Feb 8
Hawaiian Airlines Logo
5:59 pm - 8:12 pm
SEA
-
SFO
2h 13mnonstop
Hawaiian Airlines Logo
7:00 am - 9:18 am
SFO
-
SEA
2h 18mnonstop
$110Hawaiian Airlines
Sat, Feb 7 - Sun, Feb 8
Multiple Airlines Logo
8:41 pm - 10:56 pm
SEA
-
SFO
2h 15mnonstop
Multiple Airlines Logo
8:47 pm - 11:07 pm
SFO
-
SEA
2h 20mnonstop
$111Multiple Airlines
Sat, Feb 21 - Mon, Feb 23
Alaska Airlines Logo
1:36 pm - 3:50 pm
SEA
-
SFO
2h 14mnonstop
Alaska Airlines Logo
6:18 pm - 8:34 pm
SFO
-
SEA
2h 16mnonstop
$112Alaska Airlines
Wed, Feb 4 - Wed, Feb 4
United Airlines Logo
9:19 am - 11:38 am
SEA
-
SFO
2h 19mnonstop
United Airlines Logo
10:37 pm - 12:59 am
SFO
-
SEA
2h 22mnonstop
$117United Airlines
Fri, Feb 20 - Mon, Feb 23

Frontier flights from Seattle to San Francisco

Our best Frontier deals on Seattle to San Francisco flight tickets
Frontier
Feb 2
SEA12:34 pmSeattle/Tacoma Intl
11h 54m
1 stop
SFO12:28 amSan Francisco
Feb 4
SFO2:08 pmSan Francisco
19h 28m
1 stop
SEA9:36 amSeattle/Tacoma Intl
$153
Frontier
Feb 23
SEA9:14 pmSeattle/Tacoma Intl
21h 06m
1 stop
SFO6:20 pmSan Francisco
Feb 25
SFO7:15 pmSan Francisco
24h 53m
1 stop
SEA8:08 pmSeattle/Tacoma Intl
$154
Frontier
Feb 26
SEA9:23 pmSeattle/Tacoma Intl
10h 25m
1 stop
SFO7:48 amSan Francisco
Mar 2
SFO9:12 amSan Francisco
10h 47m
1 stop
SEA7:59 pmSeattle/Tacoma Intl
$160

Hawaiian Airlines flights from Seattle to San Francisco

Our best Hawaiian Airlines deals on Seattle to San Francisco flight tickets
Hawaiian Airlines
Feb 19
SEA8:41 pmSeattle/Tacoma Intl
2h 15m
SFO10:56 pmSan Francisco
Feb 23
SFO8:47 pmSan Francisco
2h 20m
SEA11:07 pmSeattle/Tacoma Intl
$106
Hawaiian Airlines
Feb 7
SEA5:59 pmSeattle/Tacoma Intl
2h 13m
SFO8:12 pmSan Francisco
Feb 8
SFO6:00 amSan Francisco
2h 18m
SEA8:18 amSeattle/Tacoma Intl
$107
Hawaiian Airlines
Feb 28
SEA7:41 pmSeattle/Tacoma Intl
2h 14m
SFO9:55 pmSan Francisco
Mar 7
SFO7:28 pmSan Francisco
2h 20m
SEA9:48 pmSeattle/Tacoma Intl
$108

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to San Francisco 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 832,500 searches. Data last updated January 15, 2026.
Use the filters below to find and compare flights from Seattle to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sat 2/28

7:41 pm-9:55 pm

Nonstop2h 14m

San Francisco

Sat 3/7

6:27 pm-8:47 pm

Nonstop2h 20m

$102

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sat 2/7

5:59 pm-8:12 pm

Nonstop2h 13m

San Francisco

Sun 2/8

7:00 am-9:18 am

Nonstop2h 18m

$103

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Thu 2/19

8:41 pm-10:56 pm

Nonstop2h 15m

San Francisco

Mon 2/23

8:47 pm-11:07 pm

Nonstop2h 20m

$106

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sat 2/7

5:59 pm-8:12 pm

Nonstop2h 13m

San Francisco

Sun 2/8

9:00 am-11:21 am

Nonstop2h 21m

$107

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sat 2/28

7:41 pm-9:55 pm

Nonstop2h 14m

San Francisco

Sat 3/7

7:28 pm-9:48 pm

Nonstop2h 20m

$108

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sat 2/7

5:59 pm-8:12 pm

Nonstop2h 13m

San Francisco

Sun 2/8

7:00 am-9:18 am

Nonstop2h 18m

$109

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sat 2/7

5:59 pm-8:12 pm

Nonstop2h 13m

San Francisco

Sun 2/8

7:00 am-9:18 am

Nonstop2h 18m

$110

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Sat 2/21

8:41 pm-10:56 pm

Nonstop2h 15m

San Francisco

Mon 2/23

8:47 pm-11:07 pm

Nonstop2h 20m

$111

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Wed 2/4

1:36 pm-3:50 pm

Nonstop2h 14m

San Francisco

Wed 2/4

6:18 pm-8:34 pm

Nonstop2h 16m

$112

SeattleSan Francisco

SEA - SFO

SEASFO

Seattle/Tacoma Intl

Fri 2/20

9:19 am-11:38 am

Nonstop2h 19m

San Francisco

Mon 2/23

10:37 pm-12:59 am

Nonstop2h 22m

$117

Flights are sorted by cheapest round-trip flights first.

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

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

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 San Francisco?

If you aren’t able to travel to San Francisco during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $222.

What is the cheapest day to depart on your flight to San Francisco?

The cheapest day to depart from Seattle to San Francisco is on a Friday when prices can be found for as low as $278. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $503.

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

Our data shows that the cheapest Seattle to San Francisco flights are usually those with departure times at noon. Our users have found flights to San Francisco at noon for as low as $301. Flights in the evening are often more expensive with an average ticket price of $398.

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

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

How far in advance should I book a flight to San Francisco?

You are more likely to see cheaper flights to San Francisco from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $233 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Seattle for as low as $171 on momondo.

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

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of January 2026, prices for Seattle to San Francisco flights are approximately 0% more expensive when compared to flights at the same time last year.

When to book flights from Seattle to San Francisco

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

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

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

Best Price Found

$163

Fastest flight time

2h 10m

Direct flights

Every day

Airports in San Francisco

1 airport
The best one-way flight to San Francisco from Seattle in the past 72 hours is $163. The best round-trip flight deal from Seattle to San Francisco found on momondo in the last 72 hours is $199.
The fastest flight from Seattle to San Francisco takes 2h 10m
Direct flights go from Seattle to San Francisco every day.
There is 1 airport in San Francisco. From Seattle there are direct flights to San Francisco (SFO).
Search flight deals

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

    There are 678.2 mi between Seattle/Tacoma Intl and San Francisco. By plane, this route typically takes 2h 10m.

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

    Prices for flights from Seattle/Tacoma Intl Airport to San Francisco Airport are updated daily.

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

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

  • What documentation or ID do you need to fly to San Francisco Airport?

    The travel and health documents you'll need for your trip to San Francisco 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 license and a passport that is valid for six months after your intended arrival at San Francisco 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 Seattle to San Francisco?

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

Best airlines flying from Seattle to San Francisco

Compare and see reviews for airlines that fly from Seattle to San Francisco with momondo
Airline
Rating
Free Cancellation
Price
Hawaiian AirlinesPriceFrom $81Free CancellationRating
7.8
2,827 reviews
Search Hawaiian Airlines flights
FrontierPriceFrom $83Free CancellationRating
5.7
3,057 reviews
Search Frontier flights
DeltaPriceFrom $86Free CancellationRating
7.9
8,050 reviews
Search Delta flights
United AirlinesPriceFrom $117Free CancellationRating
7.4
9,164 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $128Free CancellationRating
8.0
11,721 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $321Free CancellationRating
7.2
11,135 reviews
Search American Airlines flights

  • Alaska Airlines Flights From Seattle to San Francisco

    Alaska Airlines is one of the most popular airlines flying from Seattle to San Francisco, operating 18 flights/week on average for this route. A good Alaska Airlines flight deal for Seattle to San Francisco starts from $128 round-trip, up to an average price of $248. Our users have rated Alaska Airlines at 8.0/10.

  • Delta Flights From Seattle to San Francisco

    The best Delta deal for Seattle to San Francisco flight tickets found on momondo in the last 72 hours was $86, round-trip. It should be noted that an average Delta flight deal for this route in this time was higher, at $198 round-trip. Delta operates 11 flights out of Seattle into San Francisco in an average week, so prices vary by time and availability. 8,049 Delta reviews by users on momondo have scored the airline at 7.9/10.

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Santa Cruz
Carmel-by-the-Sea
Modesto
Sonoma
Bodega Bay
Roseville
Hayward
Calistoga
Big Sur
Santa Clara
Berkeley
Walnut Creek
Fremont
Half Moon Bay
Daly City
Vallejo
Livermore
Salinas
Sunnyvale
Turlock

Why use momondo?

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

It is quick and easy to find Seattle to San Francisco 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 San Francisco that suits you.

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

momondo does allow users to show only those flights to San Francisco from Seattle which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to San Francisco from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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

An easier way to manage your San Francisco trip

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