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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$55 and round-trip from US$98. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        SEA 06:39
        2h 10m
        Direct
        SFO 08:49
        Seattle - San Francisco | Thu, Oct 22 | Alaska Airlines
        SFO 11:00
        2h 16m
        Direct
        SEA 13:16
        San Francisco - Seattle | Sat, Oct 24 | Alaska Airlines
        US$98 US$138
        28% off
        28% off
        US$138 US$98
      • SEA 20:35
        2h 15m
        Direct
        SFO 22:50
        Seattle - San Francisco | Sat, Sep 19 | Alaska Airlines
        SFO 19:22
        2h 18m
        Direct
        SEA 21:40
        San Francisco - Seattle | Tue, Sep 22 | Alaska Airlines
        US$107 US$138
        22% off
        22% off
        US$138 US$107
      • SEA 13:55
        2h 13m
        Direct
        SFO 16:08
        Seattle - San Francisco | Tue, Oct 20 | Alaska Airlines
        SFO 20:46
        2h 17m
        Direct
        SEA 23:03
        San Francisco - Seattle | Thu, Oct 22 | Alaska Airlines
        US$107 US$138
        22% off
        22% off
        US$138 US$107
      • SEA 11:54
        2h 29m
        Direct
        SFO 14:23
        Seattle - San Francisco | Sat, Oct 3 | Alaska Airlines
        SFO 16:21
        2h 12m
        Direct
        SEA 18:33
        San Francisco - Seattle | Mon, Oct 5 | Alaska Airlines
        US$108
        22% off
        US$138 US$108
      • SEA 11:54
        2h 29m
        Direct
        SFO 14:23
        Seattle - San Francisco | Sat, Oct 10 | Alaska Airlines
        SFO 17:45
        2h 11m
        Direct
        SEA 19:56
        San Francisco - Seattle | Wed, Oct 14 | Alaska Airlines
        US$109
        21% off
        US$138 US$109
      • SEA 14:45
        2h 20m
        Direct
        SFO 17:05
        Seattle - San Francisco | Thu, Oct 22 | Delta Air Lines
        SFO 06:07
        2h 13m
        Direct
        SEA 08:20
        San Francisco - Seattle | Sat, Oct 24 | Alaska Airlines
        US$110
        20% off
        US$138 US$110
      • SEA 21:35
        2h 21m
        Direct
        SFO 23:56
        Seattle - San Francisco | Wed, Oct 21 | Delta Air Lines
        SFO 11:00
        2h 16m
        Direct
        SEA 13:16
        San Francisco - Seattle | Sat, Oct 24 | Alaska Airlines
        US$113
        18% off
        US$138 US$113
      • SEA 21:30
        2h 21m
        Direct
        SFO 23:51
        Seattle - San Francisco | Sat, Sep 19 | Delta Air Lines
        SFO 06:00
        2h 8m
        Direct
        SEA 08:08
        San Francisco - Seattle | Tue, Sep 22 | Alaska Airlines
        US$120
        13% off
        US$138 US$120
      • SEA 09:59
        2h 27m
        Direct
        SFO 12:26
        Seattle - San Francisco | Sat, Oct 17 | Alaska Airlines
        SFO 06:20
        2h 21m
        Direct
        SEA 08:41
        San Francisco - Seattle | Thu, Oct 22 | Delta Air Lines
        US$121
        12% off
        US$138 US$121
      • SEA 13:55
        2h 13m
        Direct
        SFO 16:08
        Seattle - San Francisco | Wed, Oct 28 | Alaska Airlines
        SFO 10:35
        2h 22m
        Direct
        SEA 12:57
        San Francisco - Seattle | Tue, Nov 3 | Delta Air Lines
        US$121
        12% off
        US$138 US$121
      • SEA 07:16
        2h 22m
        Direct
        SFO 09:38
        Seattle - San Francisco | Tue, Oct 20 | Delta Air Lines
        SFO 20:46
        2h 17m
        Direct
        SEA 23:03
        San Francisco - Seattle | Thu, Oct 22 | Alaska Airlines
        US$122
        12% off
        US$138 US$122
      • SEA 07:18
        2h 19m
        Direct
        SFO 09:37
        Seattle - San Francisco | Wed, Sep 23 | Alaska Airlines
        SFO 14:15
        2h 15m
        Direct
        SEA 16:30
        San Francisco - Seattle | Sat, Sep 26 | Delta Air Lines
        US$122
        12% off
        US$138 US$122
      • SEA 13:00
        17h 25m
        1 stop
        SFO 14:00
        Seattle - San Francisco | Wed, Sep 2 | Normal Airline
        SFO 15:00
        6h
        Direct
        SEA 16:00
        San Francisco - Seattle | Fri, Sep 4 | Normal Airline
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      • Cheapest nonstop
        SEA 20:30
        2h 15m
        Direct
        SFO 22:45
        Seattle - San Francisco | Sun, Oct 4 | Alaska Airlines
        US$55 US$84
        35% off
        35% off
        US$84 US$55
      • SEA 20:36
        2h 13m
        Direct
        SFO 22:49
        Seattle - San Francisco | Tue, Oct 27 | Alaska Airlines
        US$55 US$84
        35% off
        35% off
        US$84 US$55
      • SEA 21:30
        2h 21m
        Direct
        SFO 23:51
        Seattle - San Francisco | Sat, Sep 26 | Delta Air Lines
        US$66 US$84
        21% off
        21% off
        US$84 US$66
      • SEA 20:36
        2h 13m
        Direct
        SFO 22:49
        Seattle - San Francisco | Fri, Oct 16 | Alaska Airlines
        US$67
        20% off
        US$84 US$67
      • SEA 21:35
        2h 21m
        Direct
        SFO 23:56
        Seattle - San Francisco | Sun, Oct 18 | Delta Air Lines
        US$68
        19% off
        US$84 US$68
      • SEA 21:30
        2h 21m
        Direct
        SFO 23:51
        Seattle - San Francisco | Sun, Oct 4 | Delta Air Lines
        US$68
        19% off
        US$84 US$68
      • SEA 21:35
        2h 21m
        Direct
        SFO 23:56
        Seattle - San Francisco | Tue, Oct 27 | Delta Air Lines
        US$68
        19% off
        US$84 US$68
      • SEA 20:36
        2h 13m
        Direct
        SFO 22:49
        Seattle - San Francisco | Fri, Oct 9 | Alaska Airlines
        US$68
        19% off
        US$84 US$68
      • SEA 21:35
        2h 21m
        Direct
        SFO 23:56
        Seattle - San Francisco | Fri, Oct 16 | Delta Air Lines
        US$71
        15% off
        US$84 US$71
      • SEA 21:35
        2h 21m
        Direct
        SFO 23:56
        Seattle - San Francisco | Fri, Oct 9 | Delta Air Lines
        US$71
        15% off
        US$84 US$71
      • SEA 21:35
        2h 21m
        Direct
        SFO 23:56
        Seattle - San Francisco | Thu, Oct 22 | Delta Air Lines
        US$72
        14% off
        US$84 US$72
      • SEA 20:36
        2h 13m
        Direct
        SFO 22:49
        Seattle - San Francisco | Fri, Oct 30 | Alaska Airlines
        US$74
        12% off
        US$84 US$74
      • SEA 13:00
        17h 25m
        1 stop
        SFO 14:00
        Seattle - San Francisco | Wed, Sep 2 | Normal Airline
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Flight fares from Seattle-Tacoma International Airport to San Francisco International Airport are based on average airline prices for the next 3 months, according to Trip.com’s latest data.

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

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

The data is based on the past 12 months and shows the average one-way ticket prices from Seattle-Tacoma International Airport to San Francisco International Airport for each month in the Trip.com database.

Based on Trip.com's data from the past 12 months, the cheapest one-way flights from Seattle-Tacoma International Airport to San Francisco International Airport are usually in September, with an average price of US$141. It is best to avoid July, when the average price can reach US$221.

US$221
US$181
US$141
US$101
    Cheapest
  • US$157
    Aug
  • US$141
    Sep
  • US$153
    Oct
  • US$189
    Nov
  • US$155
    Dec
  • US$144
    Jan
  • US$168
    Feb
  • US$180
    Mar
  • US$199
    Apr
  • US$183
    May
  • US$187
    Jun
  • US$221
    Jul

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

The data is based on the past 12 months and shows the average monthly return fares from Seattle-Tacoma International Airport to San Francisco International Airport in the Trip.com database.

Based on Trip.com's data from the past 12 months, January is often the month to find the lowest fares from Seattle-Tacoma International Airport to San Francisco International Airport, with an average price of US$211. February is usually the most expensive month, with an average price reaching US$472.

US$472
US$342
US$211
US$81
    Cheapest
  • US$293
    Aug
  • US$213
    Sep
  • US$278
    Oct
  • US$229
    Nov
  • US$245
    Dec
  • US$211
    Jan
  • US$472
    Feb
  • US$392
    Mar
  • US$245
    Apr
  • US$393
    May
  • US$261
    Jun
  • US$287
    Jul

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 past 12 months and shows the average ticket prices from Seattle-Tacoma International Airport to San Francisco International Airport for each day of the week in the Trip.com database.

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

US$208
US$178
US$147
US$117
    Cheapest
  • US$208
    Mon
  • US$165
    Tue
  • US$147
    Wed
  • US$173
    Thu
  • US$176
    Fri
  • US$174
    Sat
  • US$194
    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$55) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Alaska Airlines
From US$55
Delta Air Lines
From US$66
Frontier Airlines
From US$76
American Airlines
From US$84
United Airlines
From US$92
Hahn Air
From US$104

Find more flights and airlines

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. AS619

    Seattle-Tacoma International Airport

    17:44

    SEA

    2h 15m

    19:59

    SFO

    S M T W T F S
    Search

  2. AS590

    Seattle-Tacoma International Airport

    16:17

    SEA

    2h 12m

    18:29

    SFO

    S M T W T F S
    Search

  3. AS1385

    Seattle-Tacoma International Airport

    15:43

    SEA

    2h 15m

    17:58

    SFO

    S M T W T F S
    Search

  4. DL2635

    Seattle-Tacoma International Airport

    20:30

    SEA

    2h 21m

    22:51

    SFO

    S M T W T F S
    Search

  5. F91178

    Seattle-Tacoma International Airport

    20:00

    SEA

    2h 46m

    Direct

    22:46

    LAX

    S M T W T F S
    Search

  6. F94593

    Los Angeles International Airport

    19:43

    LAX

    1h 35m

    Direct

    21:18

    SFO

    S M T W T F 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 1,094.14km
Cheapest one-way ticket price US$55
Cheapest return ticket price US$98

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

  • How long does it take to fly from Seattle-Tacoma International Airport (SEA) to San Francisco International Airport (SFO)?

    It takes around 2 hours 19 minutes to fly from Seattle-Tacoma International Airport (sea) to San Francisco International Airport(sfo).
  • There are around 22 daily flights from Seattle-Tacoma International Airport (SEA) to San Francisco International Airport (SFO).
  • Tickets cost around US$75 in October, making it the cheapest month to book. Seattle-Tacoma International Airport (SEA) to San Francisco International Airport (SFO) is a popular route, so don't forget to book your tickets in advance.
  • 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$204 in October, the most expensive month to book this route.
    • The distance from San Francisco International Airport to downtown is about 17km, by taxi about 30 minutes.
  • The closest airport to San Francisco International Airport (SFO) is Oakland San Francisco Bay Airport. The distance is around 17km.
  • United Airlines is a very popular airline operating an average of 6415 flights per month.
  • The earliest flight from Seattle-Tacoma International Airport to San Francisco International Airport departs at 07:00, and the last departs at 21:40, with about 118 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • Seattle-Tacoma International Airport to San Francisco International Airport operates around 442 weekly flights, mainly by Alaska Airlines, Qatar Airways and Air New Zealand. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Seattle-Tacoma International Airport to San Francisco International Airport takes about 1 hour 52 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • 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$165. Prices may vary depending on the departure date, airline, and availability.
  • Yes. Alaska Airlines, Qatar Airways, Air New Zealand, United Airlines and Virgin Australia operate direct flights from Seattle-Tacoma International Airport to San Francisco International Airport, with an average flight time of 1 hour 52 minutes, and around 135 weekly flights. Actual flight frequency may vary by season.
  • 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.

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

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Prices displayed on this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, Wi-Fi, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within the last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.