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Find cheap one-way flights from Seattle to San Francisco starting at US$54.

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to book flights from Seattle to San Francisco?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Cheapest airlines flights from Seattle to San Francisco

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Delta Air Lines
From US$65
American Airlines
From US$80
Frontier Airlines
From US$82
Southwest Airlines
From US$86
United Airlines
From US$97
Spirit Airlines
From US$123
Alaska Airlines
From US$146
Sun Country Airlines
From US$188
Air Canada
From US$371
ANA airlines

Find more flights and airlines

Find cheap flights from Seattle to San Francisco by different airports

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Seattle to San Francisco.

  • Cheapest
    Alaska Airlines
    SEA
    06:00
    2h 14m
    Direct
    SFO
    08:14
    Seattle-Tacoma International Airport - San Francisco International Airport
    Thu, Apr 11Alaska Airlines
    US$146
  • Alaska Airlines
    SEA
    06:00
    2h 14m
    Direct
    SFO
    08:14
    Seattle-Tacoma International Airport - San Francisco International Airport
    Thu, Apr 11Alaska Airlines
    US$146
    Find More Flights

Frequently Asked Questions

  • When are flight tickets from Seattle (SEA) to San Francisco (SFO) the cheapest?

    Airlines adjust prices for flights from Seattle to San Francisco based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from Seattle (SEA) to San Francisco (SFO) cost?

    According to Trip.com's data, the lowest price is around $231.
  • How long does it take to fly from Seattle (SEA) to San Francisco (SFO) and what is the distance?

    It takes around 2 hours 13 minutes to fly from Seattle (SEA) to San Francisco (SFO).
  • What is the transportation method from the main airport to downtown in San Francisco?

    • The distance from San Francisco International Airport to downtown is about 17km. It takes about 30 minutes by taxi.
  • What are the most popular airlines that fly from Seattle (SEA) to San Francisco (SFO)?

Seattle to San Francisco Flight Information

Cheapest nonstop flight price

$53

Cheapest round-trip ticket price

$107

Off-season for travel

November

Peak season for travel

September

What You Should Know about Flights from Seattle to San Francisco