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Cheap flights from Seattle to San Francisco (SEA - SFO)

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How to find the cheapest flight from
Seattle (SEA) to San Francisco (SFO)

What is the cheapest day to fly round-trip from Seattle to San Francisco?

Saturday flights are generally found to be more expensive for flights from Seattle to San Francisco. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Francisco.

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

To save up to 20% on this flight, we recommend booking at least 44 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Seattle to San Francisco from $117 1-2 weeks out and tickets from $137 for flights departing within the next 72 hours.

What is the cheapest month to fly from Seattle to San Francisco?

February is one of the best times of the year to fly to San Francisco from Seattle. Prices for February average $121 per person but you can even find prices for as low as $61. The most expensive prices can be found in the month of April. Opting for a February flight can save you 8% on your journey compared to booking in February

When is the cheapest time to fly from Seattle to San Francisco (03A - SFO)?

Unlike in the morning, when flights are generally more expensive, you can save up to 12% on flights from Seattle to San Francisco by exploring options for tickets in the evening.

Cheap flights from Seattle to San Francisco in September, October 2020

The best prices found for SEA to SFO flights for September, October
31 Oct - 4 Nov
$97pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
5 Oct - 18 Nov
$98pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
31 Oct - 3 Nov
$101pp
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Delta
Non-Stop
SEA
Seattle/Tacoma Intl

Seattle to San Francisco 2020 flight deals

Cheap flights to San Francisco from Seattle found for this year
31 Oct - 4 Nov
$97pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
5 Oct - 18 Nov
$98pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
31 Oct - 3 Nov
$101pp
SEA
Seattle/Tacoma Intl
Delta
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Delta
Non-Stop
SEA
Seattle/Tacoma Intl

Non-stop flights to San Francisco from Seattle

Save time with Seattle to San Francisco direct flight deals
31 Oct - 4 Nov
$97pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
13 Oct - 20 Oct
$107pp
SEA
Seattle/Tacoma Intl
Delta
Non-Stop
SFO
San Francisco
SFO
San Francisco
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
21 Nov - 28 Nov
$112pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl

Last minute flights from Seattle to San Francisco

Late deals on round-trip flights to San Francisco from Seattle, departing today and this week
25 Sep - 22 Nov
$154pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
23 Sep - 22 Nov
$156pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
25 Sep - 28 Sep
$159pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

One-way flights to San Francisco from Seattle

The cheapest one-way flights from Seattle to San Francisco
9:16 am - 2:07 pm
JetBlue
1 Stop
4h 51m
SEA - SFO
JetBlue
6:14 am - 12:05 pm
Delta
1 Stop
5h 51m
SEA - SFO
Delta
$103
Delta
7:32 am - 5:11 pm
Multiple Airlines
1 Stop
9h 39m
SEA - SFO
Multiple Airlines
$109
Gotogate

Related info for your journey

Useful info, stats and facts about Seattle to San Francisco flights.

Flight FAQs

From Seattle to San Francisco

Are flight prices decreasing from Seattle to San Francisco due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Seattle and San Francisco for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Seattle to San Francisco for under $100 on Cheapflights?

Yes, there are multiple flights from Seattle to San Francisco for under $100. The cheapest flight booked recently is on Multiple Airlines for just $97, but on average you can expect to pay $120.

Are there nonstop flights from Seattle to San Francisco for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Seattle to San Francisco under $100. A good price for a nonstop flight from Seattle to San Francisco is less than $143.

Are there last-minute flights available from Seattle to San Francisco for under $200?

There are currently 20+ open flights from Seattle to San Francisco within the next 7 days for less than $200.

What days are nonstop flights available from Seattle to San Francisco?

Days when nonstop flights are available for this flight are: Monday, Tuesday, Thursday, Saturday.

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

8 flight departures from Seattle to San Francisco per day on average.
Morning (6am - Noon) - 88% of flight departures
Afternoon (Noon - 6pm) - 13% of flight departures

Is Seattle weather warmer or cooler than San Francisco?

Temperatures around the 77 °F's can be experienced in September. The weather in San Francisco is hotter than in Seattle. Plan for potential changes in flight availability as peak weather approaches in this location.

How long is the flight from Seattle to San Francisco?

Delta can get you from Seattle to San Francisco in just under 2h 10m. Your travel time will be generally consistent. Seattle and San Francisco are separated by a distance of 683 mi. Most flights are nonstop.

What is the cheapest airline to fly from Seattle to San Francisco round-trip?

According to our current data, Delta ($101), offers the cheapest pricing from Seattle to San Francisco.

What are the cheapest airlines to fly from Seattle to San Francisco one-way?

$49 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on JetBlue, with prices from $83.

Alternative routes for Seattle to San Francisco

Destination information for San Francisco

Things to know before you go. Useful info for your trip from Seattle to San Francisco
Flight duration
2h 14m
Average temperature for September in San Francisco
77.0 °F
Avg rainfall for September in San Francisco
0.1 ″

Airports servicing Seattle

Seattle King County/Boeing (BFI)
Seattle Lake Union Spb (LKE)

Airports servicing San Francisco

Hourly flight availability from Seattle to San Francisco

Afternoon Noon to 6 PM 44% of SEA to SFO departures
Morning 6 AM to noon 42% of SEA to SFO departures
Evening 6 PM to midnight 12% of SEA to SFO departures
Early morning Midnight to 6 AM 2% of SEA to SFO departures
Midnight
6 AM
Noon
6 PM
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