Cheap flights from Seattle to San Francisco from $42

1 adult
Economy
0 bags
From?
To?
Sat 9/30
Sat 10/7

Deals available from 900+ travel sites.

Flight information for Seattle to San Francisco
(SEA to SFO)

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

Best Price Found

$42

Fastest flight time

2h 01m

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 $42. The best round-trip flight deal from Seattle to San Francisco found on momondo in the last 72 hours is $125.
The fastest flight from Seattle to San Francisco takes 2h 01m
Direct flights go from Seattle to San Francisco every day.
There is 1 airport near San Francisco: San Francisco (SFO)

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 from Seattle to San Francisco?

October. The cheapest time of year to fly to San Francisco from Seattle is October. Most expensive is June

What is the cheapest day to depart Seattle for San Francisco?

Saturday. The cheapest day of the week is typically Saturday. The most expensive is typically Sunday

When is the cheapest time to fly from Seattle to San Francisco?

At noon. Seattle to San Francisco flights are approximately 14% more expensive in the afternoon than at noon

What is the cheapest airline that flies to San Francisco from Seattle?

Spirit Airlines. Alaska Airlines, Delta, and Frontier are the most popular carriers operating from Seattle to San Francisco

What is the cheapest Seattle to San Francisco flight route?

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

How far in advance should you book Seattle to San Francisco flights?

38 days before. The cheapest time to buy a flight from Seattle to San Francisco is approximately 38 days to departure

How many flights depart from Seattle to San Francisco on average per day?

As of September 2023, 64 flights take off from Seattle and land in San Francisco each day. The most common flight departure time for this route is 6:00PM, with 36% of daily flights taking off at noon.

How many flights depart from Seattle to San Francisco on average per week?

448 flights are operational weekly from Seattle to San Francisco as of September 2023. The most popular departure day for this route is Friday, with 19% of flights per week taking off on this day.

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

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

Can stopping save me money on Seattle to San Francisco flights?

You could potentially save up to 22% on your flight if you consider stops on a Seattle to San Francisco flight.

When traveling from Seattle to San Francisco, the most popular airport to fly into is San Francisco Airport. The majority of travelers flying into San Francisco Airport from Seattle are departing from Seattle/Tacoma Intl Airport. When booking your trip to San Francisco, it is helpful to have an alternative airport to fly out of. The nearest airport to Seattle/Tacoma Intl Airport is Everett Paine Field Airport which is located in Everett. If you are looking for alternate airports to fly into when traveling from Seattle, you can try flying into San Jose Airport (in San Jose), Oakland Airport (in Oakland), or Santa Rosa Sonoma County Airport (in 15). The least expensive flight option from Seattle to San Francisco will typically be SEA — OAK during the month of September with an average price of $68 RT.

Seattle/Tacoma Intl Airport (SEA) to San Francisco Airport (SFO)$93
Search Flight Deals
Seattle/Tacoma Intl Airport (SEA) to San Jose Airport (SJC)$74
Search Flight Deals
Seattle/Tacoma Intl Airport (SEA) to Oakland Airport (OAK)$68
Search Flight Deals
Everett Paine Field Airport (PAE) to San Francisco Airport (SFO)$138
Search Flight Deals
Seattle/Tacoma Intl Airport (SEA) to Santa Rosa Sonoma County Airport (STS)$238
Search Flight Deals
Everett Paine Field Airport (PAE) to San Jose Airport (SJC)$265
Search Flight Deals

Easily compare round-trip flights from Seattle to San Francisco

Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Seattle to San Francisco by changing tabs
Multiple Airlines
Oct 13
SEA5:10 pmSeattle/Tacoma Intl
10h 33m
1 stop
SFO12:43 amSan Francisco
Oct 17
SFO7:47 amSan Francisco
6h 18m
1 stop
SEA2:05 pmSeattle/Tacoma Intl
Frontier
Oct 24
SEA3:05 pmSeattle/Tacoma Intl
12h 38m
1 stop
SFO12:43 amSan Francisco
Oct 31
SFO8:12 amSan Francisco
6h 42m
1 stop
SEA2:54 pmSeattle/Tacoma Intl
Alaska Airlines
Nov 29
SEA4:20 amSeattle/Tacoma Intl
2h 21m
SFO3:41 amSan Francisco
Dec 8
SFO5:00 amSan Francisco
2h 21m
SEA7:21 amSeattle/Tacoma Intl
Delta
Oct 18
SEA5:50 pmSeattle/Tacoma Intl
2h 03m
SFO4:53 pmSan Francisco
Oct 26
SFO2:20 amSan Francisco
2h 23m
SEA4:43 amSeattle/Tacoma Intl
American Airlines
Oct 26
SEA7:37 amSeattle/Tacoma Intl
5h 03m
1 stop
SFO9:40 amSan Francisco
Oct 30
SFO4:35 amSan Francisco
8h 19m
1 stop
SEA12:54 pmSeattle/Tacoma Intl
Multiple Airlines
Oct 17
SEA3:05 pmSeattle/Tacoma Intl
12h 38m
1 stop
SFO12:43 amSan Francisco
Oct 25
SFO7:57 amSan Francisco
6h 31m
1 stop
SEA2:28 pmSeattle/Tacoma Intl

Find the cheapest one-way flights from Seattle to San Francisco

If you're looking for one-way flights from Seattle to San Francisco, view some of our deals below provided by Alaska Airlines, Delta and Frontier
Frontier
Oct 17
SEA3:05 pmSeattle/Tacoma Intl
15h 52m
1 stop
SFO3:57 amSan Francisco
Multiple Airlines
Oct 16
SEA5:10 pmSeattle/Tacoma Intl
10h 33m
1 stop
SFO12:43 amSan Francisco
Alaska Airlines
Oct 29
SEA2:00 amSeattle/Tacoma Intl
2h 11m
SFO1:11 amSan Francisco

Search last-minute flights to San Francisco from Seattle

Find and compare round-trip flight prices for your last-minute flight from Seattle to San Francisco
Multiple Airlines
Oct 4
SEA4:50 pmSeattle/Tacoma Intl
10h 53m
1 stop
SFO12:43 amSan Francisco
Oct 17
SFO7:47 amSan Francisco
6h 18m
1 stop
SEA2:05 pmSeattle/Tacoma Intl
Frontier
Oct 4
SEA5:52 amSeattle/Tacoma Intl
21h 51m
1 stop
SFO12:43 amSan Francisco
Oct 11
SFO3:26 pmSan Francisco
13h 28m
1 stop
SEA4:54 amSeattle/Tacoma Intl
Delta
Sep 30
SEA2:10 amSeattle/Tacoma Intl
11h 28m
1 stop
SFO10:38 amSan Francisco
Oct 18
SFO2:20 amSan Francisco
2h 23m
SEA4:43 amSeattle/Tacoma Intl
Alaska Airlines
Oct 5
SEA2:00 amSeattle/Tacoma Intl
5h 05m
1 stop
SFO4:05 amSan Francisco
Oct 15
SFO2:00 amSan Francisco
2h 20m
SEA4:20 amSeattle/Tacoma Intl
Multiple Airlines
Oct 2
SEA5:31 pmSeattle/Tacoma Intl
11h 02m
1 stop
SFO1:33 amSan Francisco
Oct 5
SFO4:43 amSan Francisco
9h 45m
1 stop
SEA2:28 pmSeattle/Tacoma Intl
Frontier
Sep 30
SEA6:10 amSeattle/Tacoma Intl
9h 34m
1 stop
SFO12:44 pmSan Francisco
Oct 17
SFO7:47 amSan Francisco
6h 18m
1 stop
SEA2:05 pmSeattle/Tacoma Intl

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
United AirlinesPriceFrom $79Free CancellationRating
7.2
2,716 reviews
Search United Airlines flights
DeltaPriceFrom $79Free CancellationRating
7.8
1,565 reviews
Search Delta flights
Alaska AirlinesPriceFrom $88Free CancellationRating
7.9
3,001 reviews
Search Alaska Airlines flights
Spirit AirlinesPriceFrom $89Free CancellationRating
6.0
2,809 reviews
Search Spirit Airlines flights
FrontierPriceFrom $103Free CancellationRating
5.8
1,041 reviews
Search Frontier flights
American AirlinesPriceFrom $236Free CancellationRating
7.1
2,890 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 28 flights/week on average for this route. A good Alaska Airlines flight deal for Seattle to San Francisco starts from $88 round-trip, up to an average price of $189. Our users have rated Alaska Airlines at 7.9/10.

  • 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 $79, round-trip. It should be noted that an average Delta flight deal for this route in this time was higher, at $191 round-trip. Delta operates 35 flights out of Seattle into San Francisco in an average week, so prices vary by time and availability. 1,565 Delta reviews by users on momondo have scored the airline at 7.8/10.


Frontier flights from Seattle to San Francisco

Our best Frontier deals on Seattle to San Francisco flight tickets
Frontier
Oct 24
SEA3:05 pmSeattle/Tacoma Intl
12h 38m
1 stop
SFO12:43 amSan Francisco
Oct 31
SFO8:12 amSan Francisco
6h 42m
1 stop
SEA2:54 pmSeattle/Tacoma Intl
Frontier
Nov 11
SEA12:30 amSeattle/Tacoma Intl
8h 01m
1 stop
SFO5:31 amSan Francisco
Nov 14
SFO7:14 amSan Francisco
6h 48m
1 stop
SEA2:02 pmSeattle/Tacoma Intl
Frontier
Oct 16
SEA2:55 pmSeattle/Tacoma Intl
12h 48m
1 stop
SFO12:43 amSan Francisco
Oct 23
SFO7:47 amSan Francisco
21h 57m
1 stop
SEA5:44 amSeattle/Tacoma Intl

Delta flights from Seattle to San Francisco

Our best Delta deals on Seattle to San Francisco flight tickets
Delta
Oct 18
SEA5:50 pmSeattle/Tacoma Intl
2h 03m
SFO4:53 pmSan Francisco
Oct 26
SFO2:20 amSan Francisco
2h 23m
SEA4:43 amSeattle/Tacoma Intl
Delta
Oct 19
SEA2:15 amSeattle/Tacoma Intl
2h 10m
SFO1:25 amSan Francisco
Nov 2
SFO6:00 amSan Francisco
2h 22m
SEA8:22 amSeattle/Tacoma Intl
Delta
Oct 16
SEA5:50 pmSeattle/Tacoma Intl
2h 03m
SFO4:53 pmSan Francisco
Oct 23
SFO4:55 pmSan Francisco
2h 16m
SEA7:11 pmSeattle/Tacoma Intl

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

    We’ve found that taking a flight from Seattle to San Francisco with Delta is more time-efficient when based simply on travel duration. A train from Seattle to San Francisco or a bus from Seattle to San Francisco can take you longer than a 2h 03m flight.

  • 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 03m.

  • 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.


Alternative routes for Seattle to San Francisco

Compare alternative flights to and from nearby airports and cities to discover the best prices and most convenient flight times
Seattle to Los Angeles Flights
Fastest flight time2h 32m
Cheapest price$70
Seattle to Ontario Flights
Fastest flight time2h 28m
Cheapest price$88
Seattle to Santa Ana Flights
Fastest flight time2h 42m
Cheapest price$68
Seattle to San Diego Flights
Fastest flight time2h 42m
Cheapest price$70
Seattle to Oakland, California Flights
Fastest flight time2h 04m
Cheapest price$68
Seattle to San Jose Flights
Fastest flight time2h 05m
Cheapest price$68
Seattle to Sacramento Flights
Fastest flight time1h 46m
Cheapest price$68
Seattle to Burbank Flights
Fastest flight time2h 26m
Cheapest price$68
Seattle to Palm Springs Flights
Fastest flight time2h 33m
Cheapest price$138
Seattle to Reno Flights
Fastest flight time1h 40m
Cheapest price$68
Spokane to Los Angeles Flights
Fastest flight time2h 35m
Cheapest price$215
Seattle to Fresno Flights
Fastest flight time2h 07m
Cheapest price$177

Similar Seattle to San Francisco flights

Flexible with your destination? Broaden your search and find flights similar to your Seattle to San Francisco route

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.