Cheap flights from Seattle to San Francisco

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Tue 7/12
Tue 14/12

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 Tuesday or Wednesday and return on a Wednesday

How to find the cheapest flight from Seattle to San Francisco

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$ 146 - C$ 182

SFO

Temperature

11 - 17 °C

SFO

Precipitation

0 - 112 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$ 186

From Seattle/Tacoma Intl to San Francisco

One-way from

C$ 151

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

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

Flights from Seattle to San Francisco are generally found to be more expensive on Thursday. 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?

Travellers 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 C$ 340, or C$ 541 for flights within the next 24 hours.

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

March is one of the best times of the year to fly to San Francisco from Seattle. Prices for March average C$ 203 per person but you can even find prices for as low as C$ 143. The most expensive prices can be found in the month of December. Opting for a March flight can save you 14% on your journey compared to booking in March

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

Unlike at noon, when flights are generally more expensive, you can save up to 8% on flights from Seattle to San Francisco by exploring options for tickets in the afternoon.

Cheap flights from Seattle to San Francisco in December, January 2021

The best prices found for SEA to SFO flights for December, January
19 Jan. - 19 Jan.
SEA

Seattle/Tacoma Intl

SFO

San Francisco

Nonstop

2h 15m
SFO

San Francisco

SEA

Seattle/Tacoma Intl

Nonstop

2h 12m
C$ 117

Alaska Airlines

View Deal

Deal found 29/11/21

11 Jan. - 12 Jan.
SEA

Seattle/Tacoma Intl

SFO

San Francisco

Nonstop

2h 15m
SFO

San Francisco

SEA

Seattle/Tacoma Intl

Nonstop

2h 10m
C$ 124

Alaska Airlines

View Deal

Deal found 30/11/21

15 Jan. - 15 Jan.
SEA

Seattle/Tacoma Intl

SFO

San Francisco

Nonstop

2h 15m
SFO

San Francisco

SEA

Seattle/Tacoma Intl

Nonstop

2h 10m
C$ 143

Alaska Airlines

View Deal

Deal found 29/11/21

Seattle to San Francisco 2021 flight deals

Cheap flights to San Francisco from Seattle found for this year
15 Dec. - 12 Feb.
SEA

Seattle/Tacoma Intl

SFO

San Francisco

Nonstop

2h 29m
SFO

San Francisco

SEA

Seattle/Tacoma Intl

Nonstop

2h 16m
C$ 181

Delta

View Deal

Deal found 2/12/21

17 Dec. - 15 Jan.
SEA

Seattle/Tacoma Intl

SFO

San Francisco

Nonstop

2h 15m
SFO

San Francisco

SEA

Seattle/Tacoma Intl

Nonstop

2h 12m
C$ 200

Alaska Airlines

View Deal

Deal found 1/12/21

15 Dec. - 4 Jan.
SEA

Seattle/Tacoma Intl

SFO

San Francisco

Nonstop

2h 15m
SFO

San Francisco

SEA

Seattle/Tacoma Intl

Nonstop

2h 12m
C$ 207

Alaska Airlines

View Deal

Deal found 30/11/21

Direct flights to San Francisco from Seattle

Save time with Seattle to San Francisco direct flight deals
19 Jan. - 19 Jan.
SEA

Seattle/Tacoma Intl

SFO

San Francisco

Nonstop

2h 15m
SFO

San Francisco

SEA

Seattle/Tacoma Intl

Nonstop

2h 12m
C$ 117

Alaska Airlines

View Deal

Deal found 29/11/21

11 Jan. - 12 Jan.
SEA

Seattle/Tacoma Intl

SFO

San Francisco

Nonstop

2h 15m
SFO

San Francisco

SEA

Seattle/Tacoma Intl

Nonstop

2h 10m
C$ 124

Alaska Airlines

View Deal

Deal found 30/11/21

15 Jan. - 15 Jan.
SEA

Seattle/Tacoma Intl

SFO

San Francisco

Nonstop

2h 15m
SFO

San Francisco

SEA

Seattle/Tacoma Intl

Nonstop

2h 10m
C$ 143

Alaska Airlines

View Deal

Deal found 29/11/21

Last minute flights from Seattle to San Francisco

Late deals on round-trip flights to San Francisco from Seattle, departing today and this week
9 Dec. - 15 Jan.
SEA

Seattle/Tacoma Intl

SFO

San Francisco

1 stop

23h 05m
SFO

San Francisco

SEA

Seattle/Tacoma Intl

Nonstop

2h 09m
C$ 237

Multiple Airlines

View Deal

Deal found 1/12/21

9 Dec. - 5 Jan.
SEA

Seattle/Tacoma Intl

SFO

San Francisco

Nonstop

2h 29m
SFO

San Francisco

SEA

Seattle/Tacoma Intl

Nonstop

2h 09m
C$ 264

Delta

View Deal

Deal found 30/11/21

9 Dec. - 5 Jan.
SEA

Seattle/Tacoma Intl

SFO

San Francisco

1 stop

5h 19m
SFO

San Francisco

SEA

Seattle/Tacoma Intl

Nonstop

2h 10m
C$ 276

Alaska Airlines

View Deal

Deal found 1/12/21

One-way flights to San Francisco from Seattle

The cheapest one-way flights from Seattle to San Francisco
5 Jan.
SEA

Seattle/Tacoma Intl

SFO

San Francisco

Nonstop

2h 19m
C$ 63

Delta

View Deal

Deal found 1/12/21

10 Jan.
SEA

Seattle/Tacoma Intl

SFO

San Francisco

Nonstop

2h 18m
C$ 75

United Airlines

View Deal

Deal found 29/11/21

4 Jan.
SEA

Seattle/Tacoma Intl

SFO

San Francisco

Nonstop

2h 11m
C$ 88

Delta

View Deal

Deal found 1/12/21

Related info for your journey

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

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 09m for a nonstop flight. There are 32 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$ 200 on Cheapflights?

Yes, there are multiple flights from Seattle to San Francisco for under C$ 200. The cheapest flight booked recently is on Alaska Airlines for just C$ 117, but on average you can expect to pay C$ 167.

Are there direct flights from Seattle to San Francisco for under C$ 200 on Cheapflights?

Cheapflights has 20 direct flights from Seattle to San Francisco under C$ 200. A good price for a direct flight from Seattle to San Francisco is less than C$ 198.

Are there last-minute flights available from Seattle to San Francisco for under C$ 300?

There are currently 20+ open flights from Seattle to San Francisco within the next 7 days for less than C$ 300.

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

You can find direct flights on the following days: Sunday, Monday, Tuesday, 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 207 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?

On average 41 flights depart from Seattle to San Francisco per day.
Early Morning (Midnight to 6am) - 7% of flight departures
Morning (6am - Midday) - 37% of flight departures
Afternoon (Noon - 6pm) - 32% of flight departures
Evening (6pm - Midnight) - 24% of flight departures

How long is the flight from Seattle to San Francisco?

A quick flight from Seattle to San Francisco can take about 2h 15m. Alaska Airlines provides one of the quickest options available for as low as C$ 117. The distance between Seattle and San Francisco is about 1099 km. This flight may include one or multiple stops.

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

Currently priced at C$ 117, Alaska Airlines will fly you from Seattle to San Francisco and back. In addition to Alaska Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from C$ 181 and C$ 186, respectively. Alaska Airlines is currently priced 42% below the average price you’ll pay for this route.

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

C$ 63 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on United Airlines and Alaska Airlines, with prices starting from C$ 75 and C$ 92, respectively.

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

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

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

No one likes to see their flight delayed. When booking a flight from Seattle to San Francisco consider choosing Air France (100%), Copa Airlines (93%) or KLM (92%) as they are the most reliable in getting you off to your destination on time.

What are the cheapest flights from Seattle to San Francisco?

The cheapest flight price from Seattle to San Francisco is C$ 189. On average you can expect to pay C$ 189. The most popular route, (Seattle/Tacoma Intl - San Francisco), can usually be booked for C$ 161.

Can I fly to San Francisco from Seattle/Tacoma Intl right now?

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.

Can I fly back to Seattle/Tacoma Intl 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.

Alternative routes for Seattle to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.
Seattle to Oaklandfrom C$ 115 pp
Seattle to Los Angelesfrom C$ 121 pp
Seattle to San Diegofrom C$ 185 pp
Seattle to Long Beachfrom C$ 261 pp
Seattle to Santa Anafrom C$ 340 pp
Seattle to Fresnofrom C$ 395 pp

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.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Alaska Airlines
CheapestC$ 75
AverageC$ 215
FlexibilityNo cancel fee
On-time75%
COVID-19 safety
Delta
CheapestC$ 87
AverageC$ 191
FlexibilityNo cancel fee
On-timeN/A
COVID-19 safety
United Airlines
CheapestC$ 101
AverageC$ 279
FlexibilityNo cancel fee
On-time69%
COVID-19 safety
American Airlines
CheapestC$ 238
AverageC$ 428
FlexibilityNo cancel fee
On-time71%
COVID-19 safety

Hourly flight availability from Seattle to San Francisco

See what time of day planes typically take off from Seattle to San Francisco
5%of flight departuresEarly morningMidnight to 6 am
43%of flight departuresMorning6 am to noon
41%of flight departuresAfternoonNoon to 6 pm
11%of flight departuresEvening6 pm to midnight
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
Sunday24daily flights
Monday25daily flights
Tuesday26daily flights
Wednesday41daily flights
Thursday54daily flights
Friday39daily flights
Saturday18daily flights