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Seattle-Tacoma International Airport to San Francisco International Airport flight

Explore the cheapest one-way and round-trip flights from Seattle-Tacoma International Airport to San Francisco International Airport over the next 90 days, with one-way fares from US$47 and round-trip from US$90. Based on Trip.com's latest 7-day flight data.

Displayed flight fares from Seattle to San Francisco are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Trip.com Price Insights: Flights from Seattle-Tacoma International Airport to San Francisco International Airport

Which month has the lowest one-way flight price from Seattle-Tacoma International Airport to San Francisco International Airport?

The data is based on the average one-way flight prices on Trip.com for flights from Seattle-Tacoma International Airport to San Francisco International Airport across different months over the past 12 months.

Based on Trip.com data from the past 12 months, if you’re looking for low one-way flight fares from Seattle-Tacoma International Airport to San Francisco International Airport, the best time to book is in October, with an average price of US$143. Try to avoid July, when prices are highest, averaging around US$223.

US$223
US$183
US$143
US$103
  • US$143
    Oct
  • US$190
    Nov
  • US$157
    Dec
  • US$145
    Jan
  • US$169
    Feb
  • US$182
    Mar
  • US$201
    Apr
  • US$185
    May
  • US$189
    Jun
  • US$223
    Jul
  • US$214
    Aug
  • US$164
    Sep

Which month is the cheapest for round-trip flights from Seattle-Tacoma International Airport to San Francisco International Airport?

The data is based on the average round-trip flight prices on Trip.com for flights from Seattle-Tacoma International Airport to San Francisco International Airport across different months over the past 12 months.

Based on Trip.com data from the past 12 months, October is usually the cheapest month to find flights from Seattle-Tacoma International Airport to San Francisco International Airport, with an average price of US$171. In contrast, February is typically the most expensive month, with average prices reaching US$476.

US$476
US$324
US$171
US$19
  • US$171
    Oct
  • US$231
    Nov
  • US$247
    Dec
  • US$213
    Jan
  • US$476
    Feb
  • US$395
    Mar
  • US$247
    Apr
  • US$397
    May
  • US$263
    Jun
  • US$290
    Jul
  • US$361
    Aug
  • US$346
    Sep

What is the cheapest day of the week to fly from Seattle-Tacoma International Airport to San Francisco International Airport?

The data is based on the average flight prices on Trip.com from Seattle-Tacoma International Airport to San Francisco International Airport across different days of the week over the past 12 months.

Based on Trip.com data from the past 12 months, the cheapest day to depart from Seattle-Tacoma International Airport to San Francisco International Airport is usually Wednesday, with average fares typically lower than other days. Try to avoid departing on Monday, as prices are usually the highest on that day.

US$216
US$182
US$147
US$113
    Cheapest
  • US$216
    Mon
  • US$165
    Tue
  • US$147
    Wed
  • US$186
    Thu
  • US$194
    Fri
  • US$179
    Sat
  • US$203
    Sun

Which airline offers the cheapest flights from Seattle-Tacoma International Airport to San Francisco International Airport?

The cheapest airline flying from Seattle-Tacoma International Airport to San Francisco International Airport is Alaska Airlines (from US$59) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Alaska Airlines
From US$59
Delta Air Lines
From US$59
Frontier Airlines
From US$72
American Airlines
From US$82
Hahn Air
From US$99
United Airlines
From US$108

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What is the flight schedule from Seattle-Tacoma International Airport to San Francisco International Airport?

Check the schedule for flights from Seattle to San Francisco and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule
  1. AS688

    1:55 PM

    SEA

    2h 13m

    4:08 PM

    SFO

    S M T W T F S
    Search
  2. AS680

    3:48 PM

    SEA

    2h 13m

    6:01 PM

    SFO

    S M T W T F S
    Search
  3. AS590

    3:43 PM

    SEA

    2h 17m

    6:00 PM

    SFO

    S M T W T - S
    Search
  4. AS1386

    6:33 PM

    SEA

    2h 14m

    8:47 PM

    SFO

    S - - - - - S
    Search
  5. DL1412

    10:51 AM

    SEA

    2h 17m

    1:08 PM

    SFO

    S M T W T F S
    Search
  6. AS725

    6:39 AM

    SEA

    2h 10m

    8:49 AM

    SFO

    S M T W T F S
    Search
  7. DL3707

    2:45 PM

    SEA

    2h 20m

    5:05 PM

    SFO

    S M T W T F S
    Search
  8. DL2635

    9:25 PM

    SEA

    2h 16m

    11:41 PM

    SFO

    S M T W T F S
    Search
  9. AS655

    11:43 AM

    SEA

    2h 27m

    2:10 PM

    SFO

    S M T W T F S
    Search
  10. AA6420

    7:00 AM

    SEA

    3h 6m

    Nonstop

    10:06 AM

    LAX

    S - - - - - S
    Search
  11. AA6324

    2:25 PM

    LAX

    1h 40m

    Nonstop

    4:05 PM

    SFO

    S - - - - - S
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About Seattle-Tacoma International Airport and San Francisco International Airport

Learn about Seattle-Tacoma International Airport (SEA) and San Francisco International Airport (SFO) — including location, terminals, transportation, and travel tips.

Flight distance 1,094.14 km
Cheapest one-way ticket price US$47
Cheapest return ticket price US$90

FAQs for Seattle-Tacoma International Airport to San Francisco International Airport Flights

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

    Seattle-Tacoma International Airport to San Francisco International Airport takes about 1 hour 49 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 20 daily flights from Seattle-Tacoma International Airport (SEA) to San Francisco International Airport (SFO).
  • The earliest flight from Seattle-Tacoma International Airport to San Francisco International Airport departs at 06:39, and the last departs at 21:36, with about 24 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Seattle-Tacoma International Airport (SEA) to San Francisco International Airport (SFO) is quite popular. Without considering departure times or holidays, tickets cost around US$371 in October, the most expensive month to book this route.
    • The distance from San Francisco International Airport to downtown is about 17 km. It takes about 30 minutes by taxi.
  • The closest airport to San Francisco International Airport (SFO) is Oakland San Francisco Bay Airport. The distance is around 17 km.
  • United Airlines is a very popular airline operating an average of 6415 flights per month.
  • One-way flights from Seattle-Tacoma International Airport to San Francisco International Airport currently start from US$47, and round-trip fares start from US$90. The current lowest fare is a Delta Air Lines flight departing on Sat, Dec 12; prices may vary depending on availability.
  • Yes. Alaska Airlines, United Airlines, Delta Air Lines and Qantas Airways operate direct flights from Seattle-Tacoma International Airport to San Francisco International Airport, with an average flight time of 1 hour 48 minutes, and around 151 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Seattle-Tacoma International Airport to San Francisco International Airport is US$175. Prices may vary depending on the departure date, airline, and availability.
  • Condor and WestJet are the most popular budget airlines flying from Seattle-Tacoma International Airport to San Francisco International Airport, with one-way fares starting from US$47. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • Seattle-Tacoma International Airport to San Francisco International Airport operates around 152 weekly flights, mainly by Alaska Airlines, United Airlines and Delta Air Lines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Seattle-Tacoma International Airport and San Francisco International Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Note: Prices shown on this page are the lowest estimated prices found in the last 24 hours and include all taxes and fees.

Book with no extra fees

Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before payment. Charges for checked baggage, onboard meals, Wi-Fi, and other optional services may also appear in the flight cards where applicable.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and for many routes the data may refresh in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.