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San Francisco International Airport to Seattle-Tacoma International Airport flight

Explore the cheapest one-way and round-trip flights from San Francisco International Airport to Seattle-Tacoma International Airport over the next 90 days, with one-way fares from MXN$762 and round-trip from MXN$1,503. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        SFO 06:07
        2h 13m
        Direct
        SEA 08:20
        San Francisco - Seattle | Sun, Nov 1 | Alaska Airlines
        SEA 07:18
        2h 23m
        Direct
        SFO 09:41
        Seattle - San Francisco | Tue, Nov 3 | Alaska Airlines
        MXN$1,503 MXN$2,026
        26% off
        26% off
        MXN$2,026 MXN$1,503
      • SFO 06:07
        2h 13m
        Direct
        SEA 08:20
        San Francisco - Seattle | Tue, Oct 13 | Alaska Airlines
        SEA 17:59
        2h 18m
        Direct
        SFO 20:17
        Seattle - San Francisco | Thu, Oct 15 | Alaska Airlines
        MXN$1,513 MXN$2,026
        25% off
        25% off
        MXN$2,026 MXN$1,513
      • SFO 20:58
        2h 15m
        Direct
        SEA 23:13
        San Francisco - Seattle | Sun, Nov 15 | Alaska Airlines
        SEA 07:18
        2h 23m
        Direct
        SFO 09:41
        Seattle - San Francisco | Tue, Nov 17 | Alaska Airlines
        MXN$1,516 MXN$2,026
        25% off
        25% off
        MXN$2,026 MXN$1,516
      • SFO 06:20
        2h 21m
        Direct
        SEA 08:41
        San Francisco - Seattle | Sun, Nov 1 | Delta Air Lines
        SEA 07:18
        2h 23m
        Direct
        SFO 09:41
        Seattle - San Francisco | Tue, Nov 3 | Alaska Airlines
        MXN$1,570
        23% off
        MXN$2,026 MXN$1,570
      • SFO 06:20
        2h 21m
        Direct
        SEA 08:41
        San Francisco - Seattle | Tue, Oct 13 | Delta Air Lines
        SEA 09:59
        2h 27m
        Direct
        SFO 12:26
        Seattle - San Francisco | Thu, Oct 15 | Alaska Airlines
        MXN$1,572
        22% off
        MXN$2,026 MXN$1,572
      • SFO 10:39
        2h 17m
        Direct
        SEA 12:56
        San Francisco - Seattle | Wed, Nov 11 | Alaska Airlines
        SEA 21:20
        2h 11m
        Direct
        SFO 23:31
        Seattle - San Francisco | Fri, Nov 13 | Delta Air Lines
        MXN$1,572
        22% off
        MXN$2,026 MXN$1,572
      • SFO 06:20
        2h 21m
        Direct
        SEA 08:41
        San Francisco - Seattle | Sun, Nov 8 | Delta Air Lines
        SEA 07:18
        2h 23m
        Direct
        SFO 09:41
        Seattle - San Francisco | Tue, Nov 10 | Alaska Airlines
        MXN$1,583
        22% off
        MXN$2,026 MXN$1,583
      • SFO 06:17
        2h 18m
        Direct
        SEA 08:35
        San Francisco - Seattle | Sun, Nov 15 | Delta Air Lines
        SEA 07:18
        2h 23m
        Direct
        SFO 09:41
        Seattle - San Francisco | Tue, Nov 17 | Alaska Airlines
        MXN$1,583
        22% off
        MXN$2,026 MXN$1,583
      • SFO 06:20
        2h 21m
        Direct
        SEA 08:41
        San Francisco - Seattle | Sat, Oct 10 | Delta Air Lines
        SEA 07:16
        2h 22m
        Direct
        SFO 09:38
        Seattle - San Francisco | Mon, Oct 12 | Delta Air Lines
        MXN$1,588
        22% off
        MXN$2,026 MXN$1,588
      • SFO 06:17
        2h 18m
        Direct
        SEA 08:35
        San Francisco - Seattle | Wed, Nov 11 | Delta Air Lines
        SEA 21:20
        2h 11m
        Direct
        SFO 23:31
        Seattle - San Francisco | Fri, Nov 13 | Delta Air Lines
        MXN$1,590
        22% off
        MXN$2,026 MXN$1,590
      • SFO 17:45
        2h 11m
        Direct
        SEA 19:56
        San Francisco - Seattle | Wed, Oct 28 | Alaska Airlines
        SEA 13:55
        2h 13m
        Direct
        SFO 16:08
        Seattle - San Francisco | Fri, Oct 30 | Alaska Airlines
        MXN$1,843
        9% off
        MXN$2,026 MXN$1,843
      • SFO 15:21
        2h 12m
        Direct
        SEA 17:33
        San Francisco - Seattle | Thu, Oct 29 | Alaska Airlines
        SEA 09:59
        2h 27m
        Direct
        SFO 12:26
        Seattle - San Francisco | Sat, Oct 31 | Alaska Airlines
        MXN$1,843
        9% off
        MXN$2,026 MXN$1,843
      • SFO 13:00
        17h 25m
        1 stop
        SEA 14:00
        San Francisco - Seattle | Mon, Sep 21 | Normal Airline
        SEA 15:00
        6h
        Direct
        SFO 16:00
        Seattle - San Francisco | Wed, Sep 23 | Normal Airline
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      • Cheapest nonstop
        SFO 18:48
        2h 15m
        Direct
        SEA 21:03
        San Francisco - Seattle | Mon, Nov 9 | Alaska Airlines
        MXN$762 MXN$1,027
        26% off
        26% off
        MXN$1,027 MXN$762
      • SFO 10:39
        2h 17m
        Direct
        SEA 12:56
        San Francisco - Seattle | Sat, Nov 7 | Alaska Airlines
        MXN$767 MXN$1,027
        25% off
        25% off
        MXN$1,027 MXN$767
      • SFO 06:07
        2h 13m
        Direct
        SEA 08:20
        San Francisco - Seattle | Tue, Oct 13 | Alaska Airlines
        MXN$785 MXN$1,027
        24% off
        24% off
        MXN$1,027 MXN$785
      • SFO 20:58
        2h 15m
        Direct
        SEA 23:13
        San Francisco - Seattle | Wed, Nov 18 | Alaska Airlines
        MXN$785
        24% off
        MXN$1,027 MXN$785
      • SFO 20:59
        2h 27m
        Direct
        SEA 23:26
        San Francisco - Seattle | Wed, Nov 18 | Delta Air Lines
        MXN$795
        23% off
        MXN$1,027 MXN$795
      • SFO 06:20
        2h 21m
        Direct
        SEA 08:41
        San Francisco - Seattle | Tue, Oct 13 | Delta Air Lines
        MXN$798
        22% off
        MXN$1,027 MXN$798
      • SFO 19:11
        2h 14m
        Direct
        SEA 21:25
        San Francisco - Seattle | Mon, Oct 26 | Alaska Airlines
        MXN$803
        22% off
        MXN$1,027 MXN$803
      • SFO 14:15
        2h 22m
        Direct
        SEA 16:37
        San Francisco - Seattle | Sat, Nov 7 | Delta Air Lines
        MXN$806
        22% off
        MXN$1,027 MXN$806
      • SFO 17:45
        2h 19m
        Direct
        SEA 20:04
        San Francisco - Seattle | Mon, Nov 9 | Delta Air Lines
        MXN$806
        22% off
        MXN$1,027 MXN$806
      • SFO 19:11
        2h 14m
        Direct
        SEA 21:25
        San Francisco - Seattle | Mon, Oct 12 | Alaska Airlines
        MXN$914
        11% off
        MXN$1,027 MXN$914
      • SFO 16:21
        2h 12m
        Direct
        SEA 18:33
        San Francisco - Seattle | Sat, Oct 17 | Alaska Airlines
        MXN$929
        10% off
        MXN$1,027 MXN$929
      • SFO 17:45
        2h 11m
        Direct
        SEA 19:56
        San Francisco - Seattle | Fri, Oct 16 | Alaska Airlines
        MXN$934
        9% off
        MXN$1,027 MXN$934
      • SFO 13:00
        17h 25m
        1 stop
        SEA 14:00
        San Francisco - Seattle | Mon, Sep 21 | Normal Airline
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Flight fares from San Francisco International Airport to Seattle-Tacoma International Airport are based on the average fares across airlines for the next three months, based on Trip.com’s latest data.

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

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

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

Based on Trip.com’s data from the past 12 months, if you’re looking for a low-cost one-way ticket from San Francisco International Airport to Seattle-Tacoma International Airport, the best time to buy is in September, with an average price of MXN$2,451. You’ll want to avoid June, when the average price can reach as high as MXN$3,999.

MXN$3,999
MXN$3,225
MXN$2,451
MXN$1,677
  • MXN$2,451
    Sep
  • MXN$2,564
    Oct
  • MXN$2,981
    Nov
  • MXN$3,117
    Dec
  • MXN$2,658
    Jan
  • MXN$3,000
    Feb
  • MXN$3,639
    Mar
  • MXN$3,127
    Apr
  • MXN$3,863
    May
  • MXN$3,999
    Jun
  • MXN$3,555
    Jul
  • MXN$3,364
    Aug

What’s the cheapest month to fly round-trip from San Francisco International Airport to Seattle-Tacoma International Airport?

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

Based on Trip.com’s data from the past 12 months, January is typically the cheapest month to find flights from San Francisco International Airport to Seattle-Tacoma International Airport, with an average price of MXN$3,541. In contrast, June is usually the most expensive month, with average fares reaching MXN$7,427.

MXN$7,427
MXN$5,484
MXN$3,541
MXN$1,598
    Cheapest
  • MXN$5,186
    Sep
  • MXN$5,247
    Oct
  • MXN$6,477
    Nov
  • MXN$4,693
    Dec
  • MXN$3,541
    Jan
  • MXN$4,174
    Feb
  • MXN$5,355
    Mar
  • MXN$5,034
    Apr
  • MXN$6,653
    May
  • MXN$7,427
    Jun
  • MXN$6,720
    Jul
  • MXN$5,467
    Aug

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

The data is based on the past 12 months and shows the average ticket prices from San Francisco International Airport to Seattle-Tacoma 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 day to depart from San Francisco International Airport to Seattle-Tacoma International Airport is Tuesday, with average fares typically lower than other days. You’ll want to avoid flying on Friday, as ticket prices are usually the highest that day.

MXN$3,813
MXN$3,225
MXN$2,636
MXN$2,048
  • MXN$2,930
    Mon
  • MXN$2,636
    Tue
  • MXN$2,894
    Wed
  • MXN$3,499
    Thu
  • MXN$3,813
    Fri
  • MXN$3,336
    Sat
  • MXN$3,492
    Sun

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

The cheapest airline flying from San Francisco International Airport to Seattle-Tacoma International Airport is Alaska Airlines (from MXN$762) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Alaska Airlines
From MXN$762
Delta Air Lines
From MXN$795
Frontier Airlines
From MXN$1,145
American Airlines
From MXN$1,372
Hahn Air
From MXN$1,475
United Airlines
From MXN$1,557

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

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. AS1327

    San Francisco International Airport

    09:40

    SFO

    2h 17m

    11:57

    SEA

    S M T W T F S
    Search

  2. AS656

    San Francisco International Airport

    10:36

    SFO

    2h 15m

    12:51

    SEA

    S M T W T - S
    Search

  3. AS591

    San Francisco International Airport

    07:00

    SFO

    2h 16m

    09:16

    SEA

    S M T W T F S
    Search

  4. AS620

    San Francisco International Airport

    06:07

    SFO

    2h 13m

    08:20

    SEA

    S M T W T F S
    Search

  5. DL3991

    San Francisco International Airport

    20:59

    SFO

    2h 15m

    23:14

    SEA

    S M T W T F S
    Search

  6. AS758

    San Francisco International Airport

    20:46

    SFO

    2h 17m

    23:03

    SEA

    S M T W T F S
    Search

  7. AS316

    San Francisco International Airport

    20:53

    SFO

    2h 17m

    23:10

    SEA

    S - - W T - S
    Search

  8. DL2721

    San Francisco International Airport

    06:10

    SFO

    2h 23m

    08:33

    SEA

    S M T W T F S
    Search

  9. AS580

    San Francisco International Airport

    10:39

    SFO

    2h 17m

    12:56

    SEA

    S M T W T F S
    Search

  10. DL3707

    San Francisco International Airport

    18:12

    SFO

    2h 26m

    20:38

    SEA

    S M T W T F S
    Search
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About San Francisco International Airport and Seattle-Tacoma International Airport

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

Flight distance1,094.14km
Cheapest one-way ticket priceMXN$762
Cheapest return ticket priceMXN$1,503

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

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

    San Francisco International Airport to Seattle-Tacoma International Airport takes about 1 hour 43 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 22 daily flights from San Francisco International Airport (SFO) to Seattle-Tacoma International Airport (SEA).
  • The earliest flight from San Francisco International Airport to Seattle-Tacoma International Airport departs at 06:00, and the last departs at 21:07, with about 28 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from San Francisco International Airport (SFO) to Seattle-Tacoma International Airport (SEA) is quite popular. Without considering departure times or holidays, tickets cost around MXN$5,709 in September, the most expensive month to book this route.
  • The earliest flight departs from San Francisco International Airport (SFO) at 06:00 and arrives in Seattle-Tacoma International Airport (SEA) at 08:23.
  • The latest flight departs from San Francisco International Airport (SFO) at 21:30 and arrives in Seattle-Tacoma International Airport (SEA) at 23:44.
    • The distance from Seattle-Tacoma International Airport to downtown is about 17km, by taxi about 30 minutes.
  • Delta Air Lines is a very popular airline operating an average of 5735 flights per month.
  • One-way flights from San Francisco International Airport to Seattle-Tacoma International Airport currently start from MXN$762, and round-trip fares start from MXN$1,503. The current lowest fare is a Alaska Airlines flight departing on Mon, Nov 9; prices may vary depending on availability.
  • Yes. Alaska Airlines, United Airlines, Delta Air Lines, Cathay Pacific and Iberia operate direct flights from San Francisco International Airport to Seattle-Tacoma International Airport, with an average flight time of 1 hour 37 minutes, and around 154 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 San Francisco International Airport to Seattle-Tacoma International Airport is MXN$2,916. Prices may vary depending on the departure date, airline, and availability.
  • Condor and WestJet are the most popular budget airlines flying from San Francisco International Airport to Seattle-Tacoma International Airport, with one-way fares starting from MXN$762. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • San Francisco International Airport to Seattle-Tacoma International Airport operates around 106 weekly flights, mainly by Alaska Airlines, United Airlines and Delta Air Lines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter San Francisco International Airport and Seattle-Tacoma 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.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, regulatory fees, etc) with all fees confirmed before payment. Fees for baggage, 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 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.