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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 JPY 9,040 and round-trip from JPY 13,880. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      SFO 9:56 PM
      11h 49m
      1 stop
      SEA 9:45 AM
      San Francisco - Seattle | Tue, Dec 8 | Frontier Airlines
      JPY 9,040 JPY 14,990
      40% off
      40% off
      JPY 14,990 JPY 9,040
    • SFO 10:38 AM
      2h 19m
      Nonstop
      SEA 12:57 PM
      San Francisco - Seattle | Thu, Nov 19 | Delta Air Lines
      JPY 9,520 JPY 14,990
      36% off
      36% off
      JPY 14,990 JPY 9,520
    • SFO 8:58 PM
      2h 15m
      Nonstop
      SEA 11:13 PM
      San Francisco - Seattle | Mon, Nov 16 | Alaska Airlines
      JPY 9,610 JPY 14,990
      36% off
      36% off
      JPY 14,990 JPY 9,610
    • SFO 8:59 PM
      2h 27m
      Nonstop
      SEA 11:26 PM
      San Francisco - Seattle | Mon, Nov 16 | Delta Air Lines
      JPY 9,770
      35% off
      JPY 14,990 JPY 9,770
    • SFO 6:00 AM
      2h 18m
      Nonstop
      SEA 8:18 AM
      San Francisco - Seattle | Thu, Dec 17 | Delta Air Lines
      JPY 10,200
      32% off
      JPY 14,990 JPY 10,200
    • SFO 6:05 AM
      2h 15m
      Nonstop
      SEA 8:20 AM
      San Francisco - Seattle | Mon, Jan 4 | Delta Air Lines
      JPY 10,200
      86% off
      JPY 73,230 JPY 10,200
    • SFO 7:00 AM
      2h 16m
      Nonstop
      SEA 9:16 AM
      San Francisco - Seattle | Thu, Dec 10 | Alaska Airlines
      JPY 10,480
      30% off
      JPY 14,990 JPY 10,480
    • SFO 6:00 AM
      2h 18m
      Nonstop
      SEA 8:18 AM
      San Francisco - Seattle | Thu, Dec 10 | Delta Air Lines
      JPY 10,620
      28% off
      JPY 14,990 JPY 10,620
    • SFO 6:10 AM
      2h 23m
      Nonstop
      SEA 8:33 AM
      San Francisco - Seattle | Fri, Dec 25 | Delta Air Lines
      JPY 10,650
      28% off
      JPY 14,990 JPY 10,650
    • SFO 1:00 PM
      17h 25m
      1 stop
      SEA 2:00 PM
      San Francisco - Seattle | Thu, Oct 29 | Normal Airline
      Find more flights
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    • Cheapest nonstop
      SFO 8:15 AM
      2h 13m
      Nonstop
      SEA 10:28 AM
      San Francisco - Seattle | Sun, Dec 6 | Alaska Airlines
      SEA 9:40 PM
      2h 19m
      Nonstop
      SFO 11:59 PM
      Seattle - San Francisco | Tue, Dec 8 | Alaska Airlines
      JPY 13,880 JPY 24,970
      44% off
      44% off
      JPY 24,970 JPY 13,880
    • SFO 6:00 AM
      2h 18m
      Nonstop
      SEA 8:18 AM
      San Francisco - Seattle | Sun, Dec 6 | Delta Air Lines
      SEA 3:45 PM
      2h 12m
      Nonstop
      SFO 5:57 PM
      Seattle - San Francisco | Tue, Dec 8 | Alaska Airlines
      JPY 14,400 JPY 24,970
      42% off
      42% off
      JPY 24,970 JPY 14,400
    • SFO 10:39 AM
      2h 17m
      Nonstop
      SEA 12:56 PM
      San Francisco - Seattle | Wed, Nov 18 | Alaska Airlines
      SEA 8:35 PM
      2h 11m
      Nonstop
      SFO 10:46 PM
      Seattle - San Francisco | Mon, Nov 23 | Alaska Airlines
      JPY 19,950 JPY 24,970
      20% off
      20% off
      JPY 24,970 JPY 19,950
    • SFO 8:33 AM
      2h 19m
      Nonstop
      SEA 10:52 AM
      San Francisco - Seattle | Mon, Nov 16 | Alaska Airlines
      SEA 8:35 PM
      2h 11m
      Nonstop
      SFO 10:46 PM
      Seattle - San Francisco | Mon, Nov 23 | Alaska Airlines
      JPY 19,950
      20% off
      JPY 24,970 JPY 19,950
    • SFO 6:00 AM
      2h 16m
      Nonstop
      SEA 8:16 AM
      San Francisco - Seattle | Thu, Dec 10 | Alaska Airlines
      SEA 6:40 PM
      2h 12m
      Nonstop
      SFO 8:52 PM
      Seattle - San Francisco | Mon, Dec 14 | Alaska Airlines
      JPY 19,950
      20% off
      JPY 24,970 JPY 19,950
    • SFO 6:00 AM
      2h 16m
      Nonstop
      SEA 8:16 AM
      San Francisco - Seattle | Mon, Dec 14 | Alaska Airlines
      SEA 6:13 PM
      2h 20m
      Nonstop
      SFO 8:33 PM
      Seattle - San Francisco | Mon, Dec 21 | Alaska Airlines
      JPY 19,950
      20% off
      JPY 24,970 JPY 19,950
    • SFO 6:48 PM
      2h 15m
      Nonstop
      SEA 9:03 PM
      San Francisco - Seattle | Tue, Nov 17 | Alaska Airlines
      SEA 8:35 PM
      2h 11m
      Nonstop
      SFO 10:46 PM
      Seattle - San Francisco | Sat, Nov 21 | Alaska Airlines
      JPY 19,970
      20% off
      JPY 24,970 JPY 19,970
    • SFO 6:00 AM
      2h 16m
      Nonstop
      SEA 8:16 AM
      San Francisco - Seattle | Tue, Dec 8 | Alaska Airlines
      SEA 6:40 PM
      2h 12m
      Nonstop
      SFO 8:52 PM
      Seattle - San Francisco | Tue, Dec 15 | Alaska Airlines
      JPY 19,970
      20% off
      JPY 24,970 JPY 19,970
    • SFO 3:58 PM
      2h 15m
      Nonstop
      SEA 6:13 PM
      San Francisco - Seattle | Wed, Dec 9 | Alaska Airlines
      SEA 1:36 PM
      2h 11m
      Nonstop
      SFO 3:47 PM
      Seattle - San Francisco | Sat, Dec 12 | Alaska Airlines
      JPY 19,970
      20% off
      JPY 24,970 JPY 19,970
    • SFO 1:00 PM
      17h 25m
      1 stop
      SEA 2:00 PM
      San Francisco - Seattle | Thu, Oct 29 | Normal Airline
      SEA 3:00 PM
      6h
      Nonstop
      SFO 4:00 PM
      Seattle - San Francisco | Sat, Oct 31 | Normal Airline
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    • Cheapest nonstop
      SFO 6:05 AM
      2h 15m
      Nonstop
      SEA 8:20 AM
      San Francisco - Seattle | Mon, Jan 4 | Delta Air Lines
      JPY 10,200 JPY 73,230
      86% off
      86% off
      JPY 73,230 JPY 10,200
    • SFO 7:00 AM
      2h 16m
      Nonstop
      SEA 9:16 AM
      San Francisco - Seattle | Wed, Dec 9 | Alaska Airlines
      JPY 12,110 JPY 73,230
      83% off
      83% off
      JPY 73,230 JPY 12,110
    • SFO 6:00 AM
      2h 18m
      Nonstop
      SEA 8:18 AM
      San Francisco - Seattle | Thu, Dec 10 | Delta Air Lines
      JPY 12,210 JPY 73,230
      83% off
      83% off
      JPY 73,230 JPY 12,210
    • SFO 6:00 AM
      2h 18m
      Nonstop
      SEA 8:18 AM
      San Francisco - Seattle | Tue, Dec 8 | Delta Air Lines
      JPY 13,460
      82% off
      JPY 73,230 JPY 13,460
    • SFO 5:56 PM
      2h 28m
      Nonstop
      SEA 8:24 PM
      San Francisco - Seattle | Mon, Dec 7 | Delta Air Lines
      JPY 14,800
      80% off
      JPY 73,230 JPY 14,800
    • SFO 8:33 AM
      2h 19m
      Nonstop
      SEA 10:52 AM
      San Francisco - Seattle | Mon, Nov 16 | Alaska Airlines
      JPY 17,110
      77% off
      JPY 73,230 JPY 17,110
    • SFO 6:05 AM
      2h 15m
      Nonstop
      SEA 8:20 AM
      San Francisco - Seattle | Fri, Jan 15 | Delta Air Lines
      JPY 17,630
      76% off
      JPY 73,230 JPY 17,630
    • SFO 2:12 PM
      2h 18m
      Nonstop
      SEA 4:30 PM
      San Francisco - Seattle | Wed, Nov 18 | Delta Air Lines
      JPY 20,490
      72% off
      JPY 73,230 JPY 20,490
    • SFO 8:59 PM
      2h 27m
      Nonstop
      SEA 11:26 PM
      San Francisco - Seattle | Tue, Nov 10 | Delta Air Lines
      JPY 25,820
      65% off
      JPY 73,230 JPY 25,820
    • SFO 1:00 PM
      17h 25m
      1 stop
      SEA 2:00 PM
      San Francisco - Seattle | Thu, Oct 29 | Normal Airline
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    • Cheapest nonstop
      SFO 10:38 AM
      2h 19m
      Nonstop
      SEA 12:57 PM
      San Francisco - Seattle | Thu, Nov 19 | Delta Air Lines
      JPY 9,520 JPY 14,990
      36% off
      36% off
      JPY 14,990 JPY 9,520
    • SFO 8:58 PM
      2h 15m
      Nonstop
      SEA 11:13 PM
      San Francisco - Seattle | Mon, Nov 16 | Alaska Airlines
      JPY 9,610 JPY 14,990
      36% off
      36% off
      JPY 14,990 JPY 9,610
    • SFO 8:59 PM
      2h 27m
      Nonstop
      SEA 11:26 PM
      San Francisco - Seattle | Mon, Nov 16 | Delta Air Lines
      JPY 9,770 JPY 14,990
      35% off
      35% off
      JPY 14,990 JPY 9,770
    • SFO 6:00 AM
      2h 18m
      Nonstop
      SEA 8:18 AM
      San Francisco - Seattle | Thu, Dec 17 | Delta Air Lines
      JPY 10,200
      32% off
      JPY 14,990 JPY 10,200
    • SFO 6:05 AM
      2h 15m
      Nonstop
      SEA 8:20 AM
      San Francisco - Seattle | Mon, Jan 4 | Delta Air Lines
      JPY 10,200
      86% off
      JPY 73,230 JPY 10,200
    • SFO 7:00 AM
      2h 16m
      Nonstop
      SEA 9:16 AM
      San Francisco - Seattle | Thu, Dec 10 | Alaska Airlines
      JPY 10,480
      30% off
      JPY 14,990 JPY 10,480
    • SFO 6:00 AM
      2h 18m
      Nonstop
      SEA 8:18 AM
      San Francisco - Seattle | Thu, Dec 10 | Delta Air Lines
      JPY 10,620
      28% off
      JPY 14,990 JPY 10,620
    • SFO 6:10 AM
      2h 23m
      Nonstop
      SEA 8:33 AM
      San Francisco - Seattle | Fri, Dec 25 | Delta Air Lines
      JPY 10,650
      28% off
      JPY 14,990 JPY 10,650
    • SFO 4:21 PM
      2h 12m
      Nonstop
      SEA 6:33 PM
      San Francisco - Seattle | Wed, Oct 28 | Alaska Airlines
      JPY 11,210
      25% off
      JPY 14,990 JPY 11,210
    • SFO 1:00 PM
      17h 25m
      1 stop
      SEA 2:00 PM
      San Francisco - Seattle | Thu, Oct 29 | Normal Airline
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    • Cheapest nonstop
      SFO 4:21 PM
      2h 12m
      Nonstop
      SEA 6:33 PM
      San Francisco - Seattle | Wed, Oct 28 | Alaska Airlines
      JPY 14,990 JPY 77,120
      81% off
      81% off
      JPY 77,120 JPY 14,990
    • SFO 8:33 AM
      2h 19m
      Nonstop
      SEA 10:52 AM
      San Francisco - Seattle | Mon, Nov 2 | Alaska Airlines
      JPY 47,250 JPY 77,120
      39% off
      39% off
      JPY 77,120 JPY 47,250
    • SFO 10:39 AM
      2h 17m
      Nonstop
      SEA 12:56 PM
      San Francisco - Seattle | Sun, Nov 1 | Alaska Airlines
      JPY 48,450 JPY 77,120
      37% off
      37% off
      JPY 77,120 JPY 48,450
    • SFO 8:33 AM
      2h 19m
      Nonstop
      SEA 10:52 AM
      San Francisco - Seattle | Tue, Nov 3 | Alaska Airlines
      JPY 48,690
      37% off
      JPY 77,120 JPY 48,690
    • SFO 2:15 PM
      2h 22m
      Nonstop
      SEA 4:37 PM
      San Francisco - Seattle | Tue, Nov 3 | Delta Air Lines
      JPY 49,540
      36% off
      JPY 77,120 JPY 49,540
    • SFO 4:21 PM
      2h 12m
      Nonstop
      SEA 6:33 PM
      San Francisco - Seattle | Thu, Oct 29 | Alaska Airlines
      JPY 58,530
      24% off
      JPY 77,120 JPY 58,530
    • SFO 9:43 AM
      2h 12m
      Nonstop
      SEA 11:55 AM
      San Francisco - Seattle | Thu, Oct 29 | American Airlines
      JPY 58,550
      24% off
      JPY 77,120 JPY 58,550
    • SFO 5:45 PM
      2h 19m
      Nonstop
      SEA 8:04 PM
      San Francisco - Seattle | Mon, Nov 2 | Delta Air Lines
      JPY 58,580
      24% off
      JPY 77,120 JPY 58,580
    • SFO 6:20 AM
      2h 21m
      Nonstop
      SEA 8:41 AM
      San Francisco - Seattle | Thu, Oct 29 | Delta Air Lines
      JPY 58,860
      24% off
      JPY 77,120 JPY 58,860
    • SFO 1:00 PM
      17h 25m
      1 stop
      SEA 2:00 PM
      San Francisco - Seattle | Thu, Oct 29 | Normal Airline
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    • SFO 12:19 PM
      1h 59m
      Nonstop
      SEA 2:18 PM
      San Francisco - Seattle | Sun, Dec 6 | United Airlines
      JPY 37,460 JPY 56,790
      34% off
      34% off
      JPY 56,790 JPY 37,460
    • SFO 6:40 PM
      2h 8m
      Nonstop
      SEA 8:48 PM
      San Francisco - Seattle | Fri, Jan 22 | United Airlines
      JPY 19,500 JPY 56,790
      66% off
      66% off
      JPY 56,790 JPY 19,500
    • SFO 6:32 PM
      2h 8m
      Nonstop
      SEA 8:40 PM
      San Francisco - Seattle | Fri, Jan 1 | United Airlines
      JPY 19,880 JPY 56,790
      65% off
      65% off
      JPY 56,790 JPY 19,880
    • SFO 6:32 PM
      2h 8m
      Nonstop
      SEA 8:40 PM
      San Francisco - Seattle | Tue, Dec 29 | United Airlines
      JPY 27,330
      52% off
      JPY 56,790 JPY 27,330
    • SFO 6:32 PM
      2h 8m
      Nonstop
      SEA 8:40 PM
      San Francisco - Seattle | Fri, Dec 25 | United Airlines
      JPY 28,650
      50% off
      JPY 56,790 JPY 28,650
    • SFO 6:40 PM
      2h 8m
      Nonstop
      SEA 8:48 PM
      San Francisco - Seattle | Fri, Jan 15 | United Airlines
      JPY 33,210
      42% off
      JPY 56,790 JPY 33,210
    • SFO 6:32 PM
      2h 8m
      Nonstop
      SEA 8:40 PM
      San Francisco - Seattle | Sat, Dec 26 | United Airlines
      JPY 33,300
      41% off
      JPY 56,790 JPY 33,300
    • SFO 6:32 PM
      2h 8m
      Nonstop
      SEA 8:40 PM
      San Francisco - Seattle | Sun, Dec 20 | United Airlines
      JPY 37,790
      33% off
      JPY 56,790 JPY 37,790
    • SFO 6:32 PM
      2h 8m
      Nonstop
      SEA 8:40 PM
      San Francisco - Seattle | Sun, Jan 3 | United Airlines
      JPY 38,800
      32% off
      JPY 56,790 JPY 38,800
    • SFO 1:00 PM
      17h 25m
      1 stop
      SEA 2:00 PM
      San Francisco - Seattle | Thu, Oct 29 | Normal Airline
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Displayed flight fares from San Francisco to Seattle 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 San Francisco International Airport to Seattle-Tacoma International Airport

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

The data is based on the average one-way flight prices on Trip.com for flights from San Francisco International Airport to Seattle-Tacoma 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 San Francisco International Airport to Seattle-Tacoma International Airport, the best time to book is in January, with an average price of JPY 24,380. Try to avoid June, when prices are highest, averaging around JPY 36,680.

JPY 36,680
JPY 30,530
JPY 24,380
JPY 18,230
    Cheapest
  • JPY 25,770
    Oct
  • JPY 27,350
    Nov
  • JPY 28,600
    Dec
  • JPY 24,380
    Jan
  • JPY 27,520
    Feb
  • JPY 33,380
    Mar
  • JPY 28,680
    Apr
  • JPY 35,440
    May
  • JPY 36,680
    Jun
  • JPY 32,610
    Jul
  • JPY 30,860
    Aug
  • JPY 29,720
    Sep

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

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

Based on Trip.com data from the past 12 months, January is usually the cheapest month to find flights from San Francisco International Airport to Seattle-Tacoma International Airport, with an average price of JPY 32,480. In contrast, June is typically the most expensive month, with average prices reaching JPY 68,130.

JPY 68,130
JPY 50,305
JPY 32,480
JPY 14,655
    Cheapest
  • JPY 41,810
    Oct
  • JPY 59,410
    Nov
  • JPY 43,050
    Dec
  • JPY 32,480
    Jan
  • JPY 38,290
    Feb
  • JPY 49,120
    Mar
  • JPY 46,170
    Apr
  • JPY 61,030
    May
  • JPY 68,130
    Jun
  • JPY 61,650
    Jul
  • JPY 50,140
    Aug
  • JPY 50,820
    Sep

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 average flight prices on Trip.com from San Francisco International Airport to Seattle-Tacoma 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 San Francisco International Airport to Seattle-Tacoma International Airport is usually Tuesday, with average fares typically lower than other days. Try to avoid departing on Friday, as prices are usually the highest on that day.

JPY 36,060
JPY 30,875
JPY 25,690
JPY 20,505
  • JPY 28,790
    Mon
  • JPY 25,690
    Tue
  • JPY 26,580
    Wed
  • JPY 32,090
    Thu
  • JPY 36,060
    Fri
  • JPY 31,490
    Sat
  • JPY 32,780
    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 JPY 5,930) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Alaska Airlines
From JPY 5,930
Delta Air Lines
From JPY 6,000
Frontier Airlines
From JPY 9,040
American Airlines
From JPY 11,760
United Airlines
From JPY 14,800
Hahn Air
From JPY 18,790

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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. AS630

    San Francisco International Airport

    3:08 PM

    SFO

    2h 13m

    5:21 PM

    SEA

    S M T W T F S
    Search

  2. AS591

    San Francisco International Airport

    7:11 PM

    SFO

    2h 14m

    9:25 PM

    SEA

    S M T W T - S
    Search

  3. AS620

    San Francisco International Airport

    8:35 PM

    SFO

    2h 19m

    10:54 PM

    SEA

    S M T W T F S
    Search

  4. AS068

    San Francisco International Airport

    4:21 PM

    SFO

    2h 12m

    6:33 PM

    SEA

    S M T W T - S
    Search

  5. AS1327

    San Francisco International Airport

    7:45 PM

    SFO

    2h 14m

    9:59 PM

    SEA

    S M T W T F S
    Search

  6. AS1340

    San Francisco International Airport

    5:45 PM

    SFO

    2h 11m

    7:56 PM

    SEA

    S M T W T - S
    Search

  7. DL1412

    San Francisco International Airport

    2:15 PM

    SFO

    2h 22m

    4:37 PM

    SEA

    S M T W T F S
    Search

  8. DL1134

    San Francisco International Airport

    10:35 AM

    SFO

    2h 22m

    12:57 PM

    SEA

    S M T W T F S
    Search

  9. DL2721

    San Francisco International Airport

    6:05 AM

    SFO

    2h 15m

    8:20 AM

    SEA

    S M T W T F S
    Search

  10. DL3991

    San Francisco International Airport

    8:58 PM

    SFO

    2h 15m

    11:13 PM

    SEA

    - - T W T - -
    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 distance 1,094.14 km
Cheapest one-way ticket price JPY 9,040
Cheapest return ticket price JPY 13,880

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 39 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 20 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 06:07, and the last departs at 22:45, 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 San Francisco International Airport (SFO) to Seattle-Tacoma International Airport (SEA) is quite popular. Without considering departure times or holidays, tickets cost around JPY 58,410 in October, the most expensive month to book this route.
    • The distance from Seattle-Tacoma International Airport to downtown is about 17 km. It takes about 30 minutes by taxi.
  • 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 JPY 9,040, and round-trip fares start from JPY 13,880. The current lowest fare is a Frontier Airlines flight departing on Tue, Dec 8; prices may vary depending on availability.
  • Yes. Alaska Airlines, United Airlines, Delta Air Lines and Cathay Pacific operate direct flights from San Francisco International Airport to Seattle-Tacoma International Airport, with an average flight time of 1 hour 32 minutes, and around 153 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 JPY 27,060. 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 JPY 9,040. Compare final prices carefully, as baggage, seat selection and payment fees may apply.
  • San Francisco International Airport to Seattle-Tacoma International Airport operates around 149 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 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.