Cheap flights from Seattle to San Francisco

Round-trip
Economy
Seattle (SEA)
San Francisco (SFO)
Depart
Return
Any month
Compare vs. Cheapflights |

The best prices from Seattle to San Francisco are usually found in March or January, booked 33 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

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
C$ 183 - C$ 229
SFO
Temperature
15 - 25 °C
SFO
Precipitation
0 - 120 mm

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

C$ 183

From Seattle to San Francisco

One-way from

C$ 96

One-way flight from Seattle to San Francisco

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 Seattle to San Francisco?

Users have found that flying from Seattle to San Francisco on a Thursday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 59 days in advance, which can save you up to 27% on flights from Seattle to San Francisco compared to booking the week you need them. Waiting 59 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at C$ 684. For sooner than that we have options available in the next 3 days from C$ 813.

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

August is one of the best times of the year to fly to San Francisco from Seattle. Prices for August average C$ 610 per person but you can even find prices for as low as C$ 513. The most expensive prices can be found in the month of December. Opting for a August flight can save you 15% on your journey compared to booking in August

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

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

Cheap flights from Seattle to San Francisco in July, August 2021

The best prices found for SEA to SFO flights for July, August
20 Aug - 20 Aug
C$ 141pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Direct
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
Direct
SEA
Seattle/Tacoma Intl
27 Aug - 30 Aug
C$ 147pp
SEA
Seattle/Tacoma Intl
Delta
Direct
SFO
San Francisco
SFO
San Francisco
Delta
Direct
SEA
Seattle/Tacoma Intl
17 Aug - 24 Aug
C$ 160pp
SEA
Seattle/Tacoma Intl
Delta
Direct
SFO
San Francisco
SFO
San Francisco
Delta
Direct
SEA
Seattle/Tacoma Intl

Seattle to San Francisco 2021 flight deals

Cheap flights to San Francisco from Seattle found for this year
19 Oct - 19 Oct
C$ 141pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Direct
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
Direct
SEA
Seattle/Tacoma Intl
21 Oct - 26 Oct
C$ 147pp
SEA
Seattle/Tacoma Intl
Delta
Direct
SFO
San Francisco
SFO
San Francisco
Delta
Direct
SEA
Seattle/Tacoma Intl
17 Aug - 21 Aug
C$ 160pp
SEA
Seattle/Tacoma Intl
Delta
Direct
SFO
San Francisco
SFO
San Francisco
Delta
Direct
SEA
Seattle/Tacoma Intl

Direct flights to San Francisco from Seattle

Save time with Seattle to San Francisco direct flight deals
19 Oct - 19 Oct
C$ 141pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Direct
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
Direct
SEA
Seattle/Tacoma Intl
21 Oct - 26 Oct
C$ 147pp
SEA
Seattle/Tacoma Intl
Delta
Direct
SFO
San Francisco
SFO
San Francisco
Delta
Direct
SEA
Seattle/Tacoma Intl
17 Aug - 21 Aug
C$ 160pp
SEA
Seattle/Tacoma Intl
Delta
Direct
SFO
San Francisco
SFO
San Francisco
Delta
Direct
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
5 Aug - 7 Oct
C$ 210pp
SEA
Seattle/Tacoma Intl
Delta
Direct
SFO
San Francisco
SFO
San Francisco
Delta
Direct
SEA
Seattle/Tacoma Intl
5 Aug - 7 Oct
C$ 258pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Direct
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl
4 Aug - 11 Aug
C$ 260pp
SEA
Seattle/Tacoma Intl
Alaska Airlines
Direct
SFO
San Francisco
SFO
San Francisco
Alaska Airlines
Direct
SEA
Seattle/Tacoma Intl

One-way flights to San Francisco from Seattle

The cheapest one-way flights from Seattle to San Francisco
11:55 a.m. - 5:41 p.m.
American Airlines
1 stop
5h 46m
SEA - SFO
American Airlines
10:00 a.m. - 4:26 p.m.
United Airlines
1 stop
6h 26m
SEA - SFO
United Airlines
C$ 99
United
7:58 p.m. - 8:27 a.m.
JetBlue
1 stop
12h 29m
SEA - SFO
JetBlue
C$ 155

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?

If you book a flight from Seattle to San Francisco, you will be flying from Seattle/Tacoma Intl to San Francisco. Flights to San Francisco (SFO) from Seattle/Tacoma Intl (SEA) take 2h 22m for a nonstop flight. There are 37 flights from Seattle/Tacoma Intl to San Francisco per day from 5 airlines.

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

Some of the carriers operating flights from Seattle/Tacoma Intl to San Francisco that may be offering flexible cancellation policies are Alaska Airlines, Delta, and United Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Seattle to San Francisco for under C$ 251 on Cheapflights?

Yes, there are multiple flights from Seattle to San Francisco for under C$ 251. The cheapest flight booked recently is on Alaska Airlines for just C$ 141, but on average you can expect to pay C$ 204.

Are there direct flights from Seattle to San Francisco for under C$ 251 on Cheapflights?

Cheapflights has 20 direct flights from Seattle to San Francisco under C$ 251. A good price for a direct flight from Seattle to San Francisco is less than C$ 246.

Are there last-minute flights available from Seattle to San Francisco for under C$ 251?

There are currently 20+ open flights from Seattle to San Francisco within the next 7 days for less than C$ 251.

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

You can find direct flights on the following days: Sunday, Thursday, Friday, Saturday.

How popular is this flight route?

Flights from Seattle/Tacoma Intl to San Francisco have been viewed 207 times in the past calendar month.

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

Per day, 39 flights depart from Seattle/Tacoma Intl to San Francisco on average.
Early Morning (Midnight to 6am) - 28% of flight departures
Morning (6am - Noon) - 36% of flight departures
Afternoon (Noon - 6pm) - 18% of flight departures
Evening (6pm - Midnight) - 18% of flight departures

Does it rain more in Seattle or San Francisco?

Seattle will have greater rainfall in 0 compared to San Francisco over the next 9 days.

Is Seattle weather warmer or cooler than San Francisco?

Temperatures around the 25 °C'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?

A quick flight from Seattle to San Francisco can take about 2h 05m. Alaska Airlines provides one of the quickest options available for as low as C$ 141. Seattle and San Francisco are separated by a distance of 1099 km. Most flights are nonstop.

What are the cheapest airlines to 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 C$ 141 on this airline. Additional options worth looking into are Delta and United Airlines, starting at C$ 147 and C$ 171 round-trip. You may be able to fly from Seattle to San Francisco for 29% less than the average price by searching for these airlines.

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

One-way options have recently been found by users for as low as C$ 74 on Delta. Other airlines that offer cheap prices include American Airlines from C$ 96 and United Airlines from C$ 98 one-way.

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
2h 16m
Average temperature for July in San Francisco
22.0 °C
Avg rainfall for July in San Francisco
1.0 mm

Airports servicing Seattle

Airports servicing San Francisco

Top 4 airlines flying from Seattle to San Francisco

The chart below displays the airlines Cheapflights users travelling 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
Delta
C$ 68 C$ 149 No cancel fee N/A
Search Delta flights
Alaska Airlines
C$ 58 C$ 168 No cancel fee 75%
Search Alaska Airlines flights
United Airlines
C$ 79 C$ 218 No cancel fee 69%
Search United Airlines flights
American Airlines
C$ 186 C$ 335 No cancel fee 71%
Search American Airlines flights

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 63% of flight departures
Morning 6 AM to noon 27% of flight departures
Evening 6 PM to midnight 6% of flight departures
Early morning Midnight to 6 AM 4% of flight 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
24 daily flights
Monday
41 daily flights
Tuesday
41 daily flights
Wednesday
49 daily flights
Thursday
35 daily flights
Friday
39 daily flights
Saturday
30 daily flights
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