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

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The best prices from San Francisco to Seattle-Tacoma International are usually found in February or October, booked 26 days in advance, depart on a Saturday or Thursday and return on a Thursday

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

All the information you need to plan the best SFO to SEA flight in 2021: compare San Francisco to Seattle-Tacoma International flight prices with the expected peak season, weather and rainfall in Seattle-Tacoma International.
SFO - SEA
Price
$147 - $199

Popular in

December

High demand for flights, 18% potential price rise

Cheapest in

February

Best time to find cheap flights, 10% potential price drop

Round-trip from

$147

From San Francisco to Seattle-Tacoma International

One-way from

$76

One-way flight from San Francisco to Seattle-Tacoma International

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from San Francisco to Seattle-Tacoma International?

Saturday flights are found to be more expensive to fly from San Francisco to Seattle-Tacoma International. 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 Seattle-Tacoma International.

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

To save up to 71% on this flight, we recommend booking at least 28 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from San Francisco to Seattle-Tacoma International from $123 1-2 weeks out and tickets from $189 for flights departing within the next 72 hours.

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

Flights from San Francisco to Seattle-Tacoma International lean towards being more expensive in December. Prices are generally better when you fly from San Francisco to Seattle-Tacoma International in April, with the cheapest ticket starting at $36.

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

A simple way to save on the total cost of your ticket is to fly from San Francisco to Seattle-Tacoma International in the morning. If you’re flexible enough to do this you can expect to save up to 8% on your trip compared to booking a flight in the afternoon.

Cheap flights from San Francisco to Seattle-Tacoma International in April, May 2021

The best prices found for SFO to SEA flights for April, May
19 May - 29 May
$112pp
SFO
San Francisco
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SFO
San Francisco
27 May - 31 May
$117pp
SFO
San Francisco
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
Non-Stop
SFO
San Francisco
7 May - 16 May
$126pp
SFO
San Francisco
Delta
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
Non-Stop
SFO
San Francisco

San Francisco to Seattle-Tacoma International 2021 flight deals

Cheap flights to Seattle-Tacoma International from San Francisco found for this year
4 Jun - 8 Jun
$110pp
SFO
San Francisco
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SFO
San Francisco
19 May - 29 May
$112pp
SFO
San Francisco
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SFO
San Francisco
27 May - 31 May
$117pp
SFO
San Francisco
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
Non-Stop
SFO
San Francisco

Non-stop flights to Seattle-Tacoma International from San Francisco

Save time with San Francisco to Seattle-Tacoma International direct flight deals
4 Jun - 8 Jun
$110pp
SFO
San Francisco
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SFO
San Francisco
19 May - 29 May
$112pp
SFO
San Francisco
Alaska Airlines
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Alaska Airlines
Non-Stop
SFO
San Francisco
27 May - 31 May
$117pp
SFO
San Francisco
Delta
Non-Stop
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Delta
Non-Stop
SFO
San Francisco

Last minute flights from San Francisco to Seattle-Tacoma International

Late deals on round-trip flights to Seattle-Tacoma International from San Francisco, departing today and this week
25 Apr - 28 Apr
$165pp
SFO
San Francisco
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SFO
San Francisco
22 Apr - 10 May
$166pp
SFO
San Francisco
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SFO
San Francisco
22 Apr - 11 May
$168pp
SFO
San Francisco
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
SFO
San Francisco

One-way flights to Seattle-Tacoma International from San Francisco

The cheapest one-way flights from San Francisco to Seattle-Tacoma International
2:09 am - 10:13 am
American Airlines
1 Stop
8h 04m
SFO - SEA
American Airlines
1:40 pm - 3:58 pm
Delta
Nonstop
2h 18m
SFO - SEA
Delta
$89
Delta
2:30 am - 9:45 am
United Airlines
1 Stop
7h 15m
SFO - SEA
United Airlines
$93
United

Related info for your journey

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

Flight FAQs

From San Francisco to Seattle-Tacoma International

Are flight prices decreasing from San Francisco to Seattle 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 San Francisco and Seattle 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.

What safety measures are being taken by airlines flying from San Francisco to Seattle/Tacoma Intl to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Alaska Airlines and Delta are some airlines that have done so. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially distanced seating (for a limited time) will work towards keeping travelers safer while flying from San Francisco to Seattle/Tacoma Intl. Policies will vary by airline.

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

Due to the rapidly changing circumstances due to COVID-19, airlines like Alaska Airlines, United Airlines, and Delta flying from San Francisco to Seattle/Tacoma Intl have implemented new flexible cancellation policies.

Can I find flights from San Francisco to Seattle-Tacoma International for under $200 on Cheapflights?

Yes, there are multiple flights from San Francisco to Seattle-Tacoma International for under $200. The cheapest flight booked recently is on Alaska Airlines for just $110, but on average you can expect to pay $135.

Are there nonstop flights from San Francisco to Seattle-Tacoma International for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from San Francisco to Seattle-Tacoma International under $200. A good price for a nonstop flight from San Francisco to Seattle-Tacoma International is less than $148.

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

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

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

Days when nonstop flights are available for this flight are: Sunday, Monday, Tuesday, Wednesday.

How popular is this flight route?

The San Francisco to Seattle/Tacoma Intl flight path was viewed by 346 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 San Francisco to Seattle-Tacoma International on average per day?

Per day, 7 flights depart from San Francisco to Seattle/Tacoma Intl on average.
Early Morning (Midnight to 6am) - 14% of flight departures
Morning (6am - Noon) - 29% of flight departures
Afternoon (Noon - 6pm) - 29% of flight departures
Evening (6pm - Midnight) - 29% of flight departures

Does it rain more in San Francisco or Seattle?

San Francisco will have less rainfall in 2 compared to Seattle over the next 10 days.

Is San Francisco weather warmer or cooler than Seattle?

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

How long is the flight from San Francisco to Seattle-Tacoma International?

Airlines like Alaska Airlines, Major Airline, and Delta fly from San Francisco to Seattle-Tacoma International in about 2h. The time it takes to get you to your destination is usually consistent. San Francisco and Seattle-Tacoma International are separated by a distance of 683 mi. Generally, flights for this route are nonstop.

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

Our cheapest airline available from San Francisco to Seattle-Tacoma International is Alaska Airlines. Our recent data shows that you can find tickets from as low as $110 on this airline. Additional options worth looking into are Delta and Frontier, starting at $117 and $138 round-trip. Users have found that Alaska Airlines is 32% cheaper than the other options available to this destination.

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

The cheapest airlines for a one-way flight from San Francisco to Seattle-Tacoma International are Alaska Airlines ($41), Delta ($59), and Frontier ($67).

Alternative routes for San Francisco to Seattle-Tacoma International

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

Destination information for Seattle-Tacoma International

Things to know before you go - useful duration and weather info for your trip from San Francisco to Seattle-Tacoma International.
Flight duration
2h 13m

Airports servicing San Francisco

Airports servicing Seattle

Top 8 airlines flying from San Francisco to Seattle-Tacoma International

The chart below displays the airlines Cheapflights users traveling from San Francisco to Seattle-Tacoma International 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
Delta
$68 $189 No cancel fee N/A
Alaska Airlines
$68 $207 No cancel fee 75%
United Airlines
$68 $211 No cancel fee 69%
Southwest
$72 $233 No cancel fee 63%
Spirit Airlines
$104 $248 No cancel fee 65%
JetBlue
$149 $307 No cancel fee 62%
American Airlines
$113 $333 No cancel fee 71%
JSX
$248 $351 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 San Francisco to Seattle-Tacoma International

See what time of day planes typically take off from San Francisco towards Seattle-Tacoma International.
Afternoon Noon to 6 PM 59% of SFO to SEA departures
Morning 6 AM to noon 24% of SFO to SEA departures
Early morning Midnight to 6 AM 14% of SFO to SEA departures
Evening 6 PM to midnight 3% of SFO to SEA departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from San Francisco to Seattle-Tacoma International
See how many times per day planes take to the skies headed from San Francisco to Seattle-Tacoma International.
Sunday
34 daily flights
Monday
32 daily flights
Tuesday
24 daily flights
Wednesday
25 daily flights
Thursday
26 daily flights
Friday
39 daily flights
Saturday
39 daily flights
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