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

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The best prices from Seattle/Tacoma Intl to San Francisco are usually found in March or January, booked 33 days in advance, depart on a Thursday or Friday and return on a Saturday

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

All the information you need to plan the best SEA to SFO flight in 2021: compare Seattle to San Francisco flight prices with the expected peak season, weather and rainfall in San Francisco.
SEA - SFO
Price
$146 - $182
SFO
Temperature
51.8 - 62.6 °F
SFO
Precipitation
0 - 4.4 inches

Popular in

December

High demand for flights, 13% potential price rise

Cheapest in

March

Best time to find cheap flights, 8% potential price drop

Round-trip from

$146

From Seattle/Tacoma Intl to San Francisco

One-way from

$59

One-way flight from Seattle/Tacoma Intl to San Francisco

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from Seattle to San Francisco?

Travelers have found it’s best to book a flight 29 days in advance to save up to 181% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 29 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Seattle to San Francisco 1-2 weeks in advance for as low as $266, or $424 for flights within the next 24 hours.

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

Unlike in the morning, when flights are generally more expensive, you can save up to 9% on flights from Seattle to San Francisco by exploring options for tickets in the evening.

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

The best pricing can be found in the month of March. Prices to San Francisco from Seattle average $159. You can even find prices in March for less than $159, as users have found deals to San Francisco from as low as $112. The month of December appears to be one of the more expensive times to travel to San Francisco from Seattle. Flying in the targeted month can save you up to 14%.

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

Travelers have found that booking a Wednesday departure is the best way to save up to 24% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

Cheap flights from Seattle to San Francisco in October, November 2021

The best prices found for SEA to SFO flights for October, November
13 Nov - 18 Nov
$75pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
23 Nov - 2 Dec
$79pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
25 Nov - 30 Nov
$81pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl

Seattle/Tacoma Intl to San Francisco 2021 flight deals

Cheap flights to San Francisco from Seattle found for this year
13 Nov - 18 Nov
$75pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
23 Nov - 2 Dec
$79pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
25 Nov - 30 Nov
$81pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl

Non-stop flights to San Francisco from Seattle

Save time with Seattle to San Francisco direct flight deals
13 Nov - 18 Nov
$75pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
23 Nov - 2 Dec
$79pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
25 Nov - 30 Nov
$81pp
SEA
Seattle/Tacoma Intl
Alaska 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
22 Oct - 27 Oct
$112pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
22 Oct - 27 Oct
$120pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
22 Oct - 26 Oct
$127pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl

One-way flights to San Francisco from Seattle

The cheapest one-way flights from Seattle to San Francisco
4:25 am - 6:33 am
Delta
Nonstop
2h 08m
SEA - SFO
Delta
$59
Delta
4:33 am - 6:52 am
United Airlines
Nonstop
2h 19m
SEA - SFO
United Airlines
$84
United
5:20 am - 4:13 pm
American Airlines
1 Stop
10h 53m
SEA - SFO
American Airlines

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Seattle</span> to <span class="emphasized">San Francisco</span> flights.

Flight FAQs

From Seattle to San Francisco

What airports do I use to fly from Seattle to San Francisco?

San Francisco is the airport most travelers will use when flying to San Francisco from Seattle/Tacoma Intl. Booking flights from Seattle/Tacoma Intl (SEA) to San Francisco (SFO) should be relatively easy as there are 38 daily flights to San Francisco from 10 different airlines. 2h 05m is how long a flight from Seattle to San Francisco will take if you book a nonstop flight.

Which airlines flying from Seattle/Tacoma Intl to San Francisco have flexible cancellations due to COVID-19?

Some of our airline partners flying from Seattle/Tacoma Intl to San Francisco have new flexible policies in place due to COVID-19. Alaska Airlines, United Airlines, and Delta are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Alaska Airlines with this kind of flexibility.

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 Alaska Airlines for just $75, but on average you can expect to pay $96.

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 $99.

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: Sunday, Monday, Thursday, Friday, Saturday.

How popular is this Seattle to San Francisco flight route?

This flight path from Seattle/Tacoma Intl to San Francisco was viewed by 276 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

Per day, 13 flights depart from Seattle to San Francisco on average.
Early Morning (Midnight to 6am) - 8% of flight departures
Morning (6am - Noon) - 38% of flight departures
Afternoon (Noon - 6pm) - 8% of flight departures
Evening (6pm - Midnight) - 46% of flight departures

How long is the flight from Seattle to San Francisco?

Departing from Seattle to San Francisco will take you 2h 08m. The distance between Seattle and San Francisco is about 683 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Seattle to San Francisco round-trip?

Our cheapest airline available from Seattle to San Francisco is Alaska Airlines. Our recent data shows that you can find tickets from as low as $75 on this airline. Additional options worth looking into are Delta and Frontier, starting at $117 and $119 round-trip. Alaska Airlines is priced at 52% lower than the current average price of a flight leaving 3 months from now.

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

$28 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on Delta and Frontier, with prices starting from $59 and $64, respectively.

What are the cheapest flights from Seattle to San Francisco?

On average you can expect to pay $275 for a flight from Seattle to San Francisco. The cheapest flight overall is $58 while the most popular route, (Seattle/Tacoma Intl - San Francisco) is currently priced at $97.

What are the most popular airlines that fly from Seattle to San Francisco?

Major Airline, American Airlines and Alaska Airlines are the most popular airlines when flying from Seattle to San Francisco.

What are the most reliable airlines from Seattle to San Francisco?

Consider Air France (100%), KLM (95%) or Virgin Atlantic (93%) when booking your flight. These represent the most reliable airlines when flying from Seattle to San Francisco.

COVID Restrictions

View COVID Travel Restrictions for San Francisco, CA

Do I need a COVID test to fly to San Francisco from Seattle?

Information is based on travel restrictions for travel to San Francisco within the United States

Most visitors from Seattle/Tacoma Intl need to provide a negative COVID-19 test result and/or quarantine to enter San Francisco.

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to San Francisco.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering San Francisco.

Do I need a test to fly back to Seattle from San Francisco?

Returning to Seattle/Tacoma Intl from San Francisco

COVID-19 testing requirements
Visitors from San Francisco must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from San Francisco are not required to quarantine after entering Seattle/Tacoma Intl.

Hide COVID Travel Restrictions for San Francisco, CA

Alternative routes for Seattle to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for San Francisco

Things to know before you go - useful duration and weather info for your trip from Seattle to San Francisco.
Flight duration from SEA to SFO
2h 17m
Average temperature for October in San Francisco
71.6 °F
Avg rainfall for October in San Francisco
1.2 ″

Airports servicing Seattle

Airports servicing San Francisco

Top 9 airlines flying from Seattle/Tacoma Intl to San Francisco

The chart below displays the airlines Cheapflights users traveling from Seattle to San Francisco choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Alaska Airlines
$59 $191 No cancel fee 75%
Delta
$66 $181 No cancel fee N/A
United Airlines
$68 $192 No cancel fee 69%
American Airlines
$97 $334 No cancel fee 71%
Southwest
$98 $185 No cancel fee 63%
Spirit Airlines
$100 $247 No cancel fee 65%
Frontier
$118 $231 No cancel fee 62%
JetBlue
$149 $363 No cancel fee 62%
JSX
$238 $337 No cancel fee N/A

We couldn't confirm the COVID-19 safety measures taken by JSX. Please check directly on their website for additional information.

Hourly flight availability from Seattle to San Francisco

See what time of day planes typically take off from Seattle towards San Francisco.
Afternoon Noon to 6 PM 49% of SEA to SFO departures
Morning 6 AM to noon 42% of SEA to SFO departures
Early morning Midnight to 6 AM 5% of SEA to SFO departures
Evening 6 PM to midnight 4% of SEA to SFO departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Seattle to San Francisco
See how many times per day planes take to the skies headed from Seattle to San Francisco.
Sunday
39 daily flights
Monday
32 daily flights
Tuesday
31 daily flights
Wednesday
51 daily flights
Thursday
56 daily flights
Friday
41 daily flights
Saturday
21 daily flights
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