Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Seattle to San Francisco from C$ 94

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 17/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Early arrival? Instantly customize your results

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Seattle to San Francisco

Cheap round-trip flights

These are some of the best round-trip flight deals from Seattle to San Francisco that have been recently found on momondo from popular airlines, departing in the coming months.
Alaska Airlines Logo
1:40 p.m. - 3:51 p.m.SEA-SFO
2h 11mdirect
Alaska Airlines Logo
5:49 p.m. - 8:00 p.m.SFO-SEA
2h 11mdirect
C$ 181Alaska Airlines
Find Deal
Tue, 3 Jun - Tue, 3 Jun
Delta Logo
6:15 a.m. - 8:28 a.m.SEA-SFO
2h 13mdirect
Delta Logo
1:45 p.m. - 4:08 p.m.SFO-SEA
2h 23mdirect
C$ 190Delta
Find Deal
Wed, 21 May - Wed, 21 May
Alaska Airlines Logo
11:29 a.m. - 1:43 p.m.SEA-SFO
2h 14mdirect
Alaska Airlines Logo
5:25 p.m. - 10:59 p.m.SFO-SEA
5h 34m1 stop
C$ 195Alaska Airlines
Find Deal
Tue, 3 Jun - Tue, 3 Jun
Delta Logo
1:40 p.m. - 3:55 p.m.SEA-SFO
2h 15mdirect
Delta Logo
6:10 a.m. - 8:31 a.m.SFO-SEA
2h 21mdirect
C$ 205Delta
Find Deal
Sat, 24 May - Sun, 25 May
Hawaiian Airlines Logo
8:10 a.m. - 10:29 a.m.SEA-SFO
2h 19mdirect
Hawaiian Airlines Logo
7:00 a.m. - 9:05 a.m.SFO-SEA
2h 05mdirect
C$ 215Hawaiian Airlines
Find Deal
Fri, 13 Jun - Mon, 16 Jun
United Airlines Logo
5:10 a.m. - 7:22 a.m.SEA-SFO
2h 12mdirect
United Airlines Logo
6:30 a.m. - 8:49 a.m.SFO-SEA
2h 19mdirect
C$ 217United Airlines
Find Deal
Fri, 23 May - Mon, 26 May
Hawaiian Airlines Logo
8:08 a.m. - 10:32 a.m.SEA-SFO
2h 24mdirect
Hawaiian Airlines Logo
7:00 a.m. - 9:10 a.m.SFO-SEA
2h 10mdirect
C$ 228Hawaiian Airlines
Find Deal
Fri, 26 Sep - Mon, 29 Sep
Southwest Logo
2:45 p.m. - 11:25 p.m.SEA-SFO
8h 40m2 stops
Southwest Logo
7:15 p.m. - 12:30 a.m.SFO-SEA
5h 15m1 stop
C$ 238Southwest
Find Deal
Tue, 10 Jun - Fri, 13 Jun
Southwest Logo
5:30 p.m. - 10:40 p.m.SEA-SFO
5h 10m1 stop
Southwest Logo
4:45 p.m. - 12:05 a.m.SFO-SEA
7h 20m1 stop
C$ 242Southwest
Find Deal
Mon, 25 Aug - Wed, 27 Aug
United Airlines Logo
2:50 p.m. - 5:06 p.m.SEA-SFO
2h 16mdirect
United Airlines Logo
6:30 a.m. - 8:49 a.m.SFO-SEA
2h 19mdirect
C$ 321United Airlines
Find Deal
Thu, 12 Jun - Thu, 19 Jun

Delta flights from Seattle to San Francisco

Our best Delta deals on Seattle to San Francisco flight tickets
Delta
21 May
SEA6:15 a.m.Seattle/Tacoma Intl
2h 13m
SFO8:28 a.m.San Francisco
21 May
SFO1:45 p.m.San Francisco
2h 23m
SEA4:08 p.m.Seattle/Tacoma Intl
Delta
24 May
SEA1:40 p.m.Seattle/Tacoma Intl
2h 15m
SFO3:55 p.m.San Francisco
25 May
SFO6:10 a.m.San Francisco
2h 21m
SEA8:31 a.m.Seattle/Tacoma Intl
Delta
17 Jun
SEA6:05 a.m.Seattle/Tacoma Intl
2h 17m
SFO8:22 a.m.San Francisco
18 Jun
SFO5:55 a.m.San Francisco
2h 19m
SEA8:14 a.m.Seattle/Tacoma Intl

Alaska Airlines flights from Seattle to San Francisco

Our best Alaska Airlines deals on Seattle to San Francisco flight tickets
Alaska Airlines
3 Jun
SEA1:40 p.m.Seattle/Tacoma Intl
2h 11m
SFO3:51 p.m.San Francisco
3 Jun
SFO5:49 p.m.San Francisco
2h 11m
SEA8:00 p.m.Seattle/Tacoma Intl
Alaska Airlines
3 Jun
SEA11:29 a.m.Seattle/Tacoma Intl
2h 14m
SFO1:43 p.m.San Francisco
3 Jun
SFO5:25 p.m.San Francisco
5h 34m
1 stop
SEA10:59 p.m.Seattle/Tacoma Intl
Alaska Airlines
28 May
SEA4:50 p.m.Seattle/Tacoma Intl
4h 47m
1 stop
SFO9:37 p.m.San Francisco
4 Jun
SFO6:49 p.m.San Francisco
2h 11m
SEA9:00 p.m.Seattle/Tacoma Intl

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?

The cheapest month to fly to San Francisco from Seattle is in January. Flight prices, which tend to average around C$ 284, are often lower during this time because this is during the off-season. The month of September is another great option to travel to San Francisco, with average flight prices from Seattle averaging around C$ 285.

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. Travellers who choose to depart for San Francisco on a Friday will often find tickets for as low as C$ 586. On the other hand, Wednesday is the most expensive day to depart from Seattle because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 1,271.

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

Flying to San Francisco from Seattle in the evening is the least expensive time of day to depart. momondo users have found prices as low as C$ 866 when looking at flights departing in the evening. In contrast, the most expensive time of day to depart to San Francisco is in the morning when prices are around C$ 1,303.

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 21 weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around C$ 322 when searching 21 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 C$ 223 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 April 2025, prices for Seattle to San Francisco flights are approximately 13% 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

C$ 94

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 C$ 94. The best round-trip flight deal from Seattle to San Francisco found on momondo in the last 72 hours is C$ 181.
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 near San Francisco: San Francisco (SFO)

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

    The straight-line distance from Seattle/Tacoma Intl to San Francisco is 1091.5 km. Typically, this will take 2h 10m by plane in normal conditions.

  • 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?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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
DeltaPriceFrom C$ 95Free CancellationRating
8.0
7,936 reviews
Search Delta flights
FrontierPriceFrom C$ 153Free CancellationRating
5.9
3,287 reviews
Search Frontier flights
Alaska AirlinesPriceFrom C$ 161Free CancellationRating
8.0
9,961 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom C$ 208Free CancellationRating
7.4
8,696 reviews
Search United Airlines flights
Hawaiian AirlinesPriceFrom C$ 224Free CancellationRating
7.9
2,402 reviews
Search Hawaiian Airlines flights
  • Delta Flights From Seattle to San Francisco

    The lowest priced Delta flight from Seattle to San Francisco from the last 72 hours was C$ 69. Generally, Delta has 21 flights on this route every week with an average price of C$ 174. Delta is rated 8.0/10 by our users.

  • Alaska Airlines Flights From Seattle to San Francisco

    Another popular option for Seattle to San Francisco flights is Alaska Airlines (8.0/10, 9,961 ratings). Alaska Airlines flies from Seattle to San Francisco around 13 times per week, with deals starting from C$ 116 round-trip and rising to an average price of around C$ 186.


Travelling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Sunnyvale
South San Francisco
Los Altos
Palo Alto
Newark
Mountain View
Fremont
Yountville
Half Moon Bay
Pacific Grove
Mill Valley
Los Banos
Pacifica
Santa Cruz
Berkeley
Roseville
Woodland
Carmel Valley
Vacaville
Novato

Why use momondo?

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

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

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?

Once you have performed a search for Seattle to San Francisco flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Seattle to San Francisco flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Sun 4/5
Sun 11/5

Find better results for your trip to the United States