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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 TRY 1,875 and round-trip from TRY 4,392. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      SFO 6:48 PM
      2h 15m
      Nonstop
      SEA 9:03 PM
      San Francisco - Seattle | Thu, Nov 5 | Alaska Airlines
      TRY 1,875 TRY 4,155
      55% off
      55% off
      TRY 4,155 TRY 1,875
    • SFO 2:15 PM
      2h 22m
      Nonstop
      SEA 4:37 PM
      San Francisco - Seattle | Thu, Nov 5 | Delta Air Lines
      TRY 1,897 TRY 4,155
      54% off
      54% off
      TRY 4,155 TRY 1,897
    • SFO 10:39 AM
      2h 17m
      Nonstop
      SEA 12:56 PM
      San Francisco - Seattle | Fri, Nov 6 | Alaska Airlines
      TRY 1,920 TRY 4,155
      54% off
      54% off
      TRY 4,155 TRY 1,920
    • SFO 2:15 PM
      2h 22m
      Nonstop
      SEA 4:37 PM
      San Francisco - Seattle | Fri, Nov 6 | Delta Air Lines
      TRY 1,950
      53% off
      TRY 4,155 TRY 1,950
    • SFO 5:53 PM
      2h 20m
      Nonstop
      SEA 8:13 PM
      San Francisco - Seattle | Tue, Nov 24 | Delta Air Lines
      TRY 2,853
      31% off
      TRY 4,155 TRY 2,853
    • SFO 9:56 PM
      11h 49m
      1 stop
      SEA 9:45 AM
      San Francisco - Seattle | Wed, Dec 9 | Frontier Airlines
      TRY 2,861
      31% off
      TRY 4,155 TRY 2,861
    • SFO 10:38 AM
      2h 19m
      Nonstop
      SEA 12:57 PM
      San Francisco - Seattle | Fri, Nov 20 | Delta Air Lines
      TRY 3,010
      28% off
      TRY 4,155 TRY 3,010
    • SFO 8:33 AM
      2h 19m
      Nonstop
      SEA 10:52 AM
      San Francisco - Seattle | Mon, Nov 16 | Alaska Airlines
      TRY 3,189
      84% off
      TRY 20,025 TRY 3,189
    • SFO 6:05 AM
      2h 15m
      Nonstop
      SEA 8:20 AM
      San Francisco - Seattle | Mon, Jan 4 | Delta Air Lines
      TRY 3,227
      84% off
      TRY 20,025 TRY 3,227
    • SFO 1:00 PM
      17h 25m
      1 stop
      SEA 2:00 PM
      San Francisco - Seattle | Thu, Oct 29 | Normal Airline
      Find more flights
      Find more flights
    • 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
      TRY 4,392 TRY 7,899
      44% off
      44% off
      TRY 7,899 TRY 4,392
    • 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
      TRY 4,556 TRY 7,899
      42% off
      42% off
      TRY 7,899 TRY 4,556
    • 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
      TRY 6,311 TRY 7,899
      20% off
      20% off
      TRY 7,899 TRY 6,311
    • 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
      TRY 6,311
      20% off
      TRY 7,899 TRY 6,311
    • 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
      TRY 6,311
      20% off
      TRY 7,899 TRY 6,311
    • 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
      TRY 6,311
      20% off
      TRY 7,899 TRY 6,311
    • 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
      TRY 6,319
      20% off
      TRY 7,899 TRY 6,319
    • 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
      TRY 6,319
      20% off
      TRY 7,899 TRY 6,319
    • 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
      TRY 6,319
      20% off
      TRY 7,899 TRY 6,319
    • 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
      Find more flights
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    • Cheapest nonstop
      SFO 8:33 AM
      2h 19m
      Nonstop
      SEA 10:52 AM
      San Francisco - Seattle | Mon, Nov 16 | Alaska Airlines
      TRY 3,189 TRY 20,025
      84% off
      84% off
      TRY 20,025 TRY 3,189
    • SFO 6:05 AM
      2h 15m
      Nonstop
      SEA 8:20 AM
      San Francisco - Seattle | Mon, Jan 4 | Delta Air Lines
      TRY 3,227 TRY 20,025
      84% off
      84% off
      TRY 20,025 TRY 3,227
    • SFO 6:00 AM
      2h 18m
      Nonstop
      SEA 8:18 AM
      San Francisco - Seattle | Thu, Dec 10 | Delta Air Lines
      TRY 3,361 TRY 20,025
      83% off
      83% off
      TRY 20,025 TRY 3,361
    • SFO 7:00 AM
      2h 16m
      Nonstop
      SEA 9:16 AM
      San Francisco - Seattle | Wed, Dec 9 | Alaska Airlines
      TRY 3,832
      81% off
      TRY 20,025 TRY 3,832
    • SFO 6:00 AM
      2h 18m
      Nonstop
      SEA 8:18 AM
      San Francisco - Seattle | Tue, Dec 8 | Delta Air Lines
      TRY 4,257
      79% off
      TRY 20,025 TRY 4,257
    • SFO 5:56 PM
      2h 28m
      Nonstop
      SEA 8:24 PM
      San Francisco - Seattle | Mon, Dec 7 | Delta Air Lines
      TRY 4,683
      77% off
      TRY 20,025 TRY 4,683
    • SFO 8:59 PM
      2h 27m
      Nonstop
      SEA 11:26 PM
      San Francisco - Seattle | Tue, Nov 10 | Delta Air Lines
      TRY 4,855
      76% off
      TRY 20,025 TRY 4,855
    • SFO 6:05 AM
      2h 15m
      Nonstop
      SEA 8:20 AM
      San Francisco - Seattle | Fri, Jan 15 | Delta Air Lines
      TRY 5,579
      72% off
      TRY 20,025 TRY 5,579
    • SFO 2:12 PM
      2h 18m
      Nonstop
      SEA 4:30 PM
      San Francisco - Seattle | Wed, Nov 18 | Delta Air Lines
      TRY 6,483
      68% off
      TRY 20,025 TRY 6,483
    • 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 6:48 PM
      2h 15m
      Nonstop
      SEA 9:03 PM
      San Francisco - Seattle | Thu, Nov 5 | Alaska Airlines
      TRY 1,875 TRY 4,155
      55% off
      55% off
      TRY 4,155 TRY 1,875
    • SFO 2:15 PM
      2h 22m
      Nonstop
      SEA 4:37 PM
      San Francisco - Seattle | Thu, Nov 5 | Delta Air Lines
      TRY 1,897 TRY 4,155
      54% off
      54% off
      TRY 4,155 TRY 1,897
    • SFO 10:39 AM
      2h 17m
      Nonstop
      SEA 12:56 PM
      San Francisco - Seattle | Fri, Nov 6 | Alaska Airlines
      TRY 1,920 TRY 4,155
      54% off
      54% off
      TRY 4,155 TRY 1,920
    • SFO 2:15 PM
      2h 22m
      Nonstop
      SEA 4:37 PM
      San Francisco - Seattle | Fri, Nov 6 | Delta Air Lines
      TRY 1,950
      53% off
      TRY 4,155 TRY 1,950
    • SFO 5:53 PM
      2h 20m
      Nonstop
      SEA 8:13 PM
      San Francisco - Seattle | Tue, Nov 24 | Delta Air Lines
      TRY 2,853
      31% off
      TRY 4,155 TRY 2,853
    • SFO 10:38 AM
      2h 19m
      Nonstop
      SEA 12:57 PM
      San Francisco - Seattle | Fri, Nov 20 | Delta Air Lines
      TRY 3,010
      28% off
      TRY 4,155 TRY 3,010
    • SFO 8:33 AM
      2h 19m
      Nonstop
      SEA 10:52 AM
      San Francisco - Seattle | Mon, Nov 16 | Alaska Airlines
      TRY 3,189
      84% off
      TRY 20,025 TRY 3,189
    • SFO 6:05 AM
      2h 15m
      Nonstop
      SEA 8:20 AM
      San Francisco - Seattle | Mon, Jan 4 | Delta Air Lines
      TRY 3,227
      84% off
      TRY 20,025 TRY 3,227
    • SFO 6:17 AM
      2h 18m
      Nonstop
      SEA 8:35 AM
      San Francisco - Seattle | Sat, Nov 28 | Delta Air Lines
      TRY 3,249
      22% off
      TRY 4,155 TRY 3,249
    • SFO 1:00 PM
      17h 25m
      1 stop
      SEA 2:00 PM
      San Francisco - Seattle | Thu, Oct 29 | Normal Airline
      Find more flights
      Find more flights
    • Cheapest nonstop
      SFO 4:21 PM
      2h 12m
      Nonstop
      SEA 6:33 PM
      San Francisco - Seattle | Wed, Oct 28 | Alaska Airlines
      TRY 3,548 TRY 24,170
      85% off
      85% off
      TRY 24,170 TRY 3,548
    • SFO 8:33 AM
      2h 19m
      Nonstop
      SEA 10:52 AM
      San Francisco - Seattle | Mon, Nov 2 | Alaska Airlines
      TRY 3,794 TRY 24,170
      84% off
      84% off
      TRY 24,170 TRY 3,794
    • SFO 8:33 AM
      2h 19m
      Nonstop
      SEA 10:52 AM
      San Francisco - Seattle | Tue, Nov 3 | Alaska Airlines
      TRY 4,825 TRY 24,170
      80% off
      80% off
      TRY 24,170 TRY 4,825
    • SFO 2:15 PM
      2h 22m
      Nonstop
      SEA 4:37 PM
      San Francisco - Seattle | Tue, Nov 3 | Delta Air Lines
      TRY 4,870
      80% off
      TRY 24,170 TRY 4,870
    • SFO 5:45 PM
      2h 19m
      Nonstop
      SEA 8:04 PM
      San Francisco - Seattle | Mon, Nov 2 | Delta Air Lines
      TRY 11,599
      52% off
      TRY 24,170 TRY 11,599
    • SFO 4:21 PM
      2h 12m
      Nonstop
      SEA 6:33 PM
      San Francisco - Seattle | Thu, Oct 29 | Alaska Airlines
      TRY 14,638
      39% off
      TRY 24,170 TRY 14,638
    • SFO 10:39 AM
      2h 17m
      Nonstop
      SEA 12:56 PM
      San Francisco - Seattle | Sun, Nov 1 | Alaska Airlines
      TRY 15,333
      37% off
      TRY 24,170 TRY 15,333
    • SFO 6:20 AM
      2h 21m
      Nonstop
      SEA 8:41 AM
      San Francisco - Seattle | Thu, Oct 29 | Delta Air Lines
      TRY 15,632
      35% off
      TRY 24,170 TRY 15,632
    • SFO 6:20 AM
      2h 21m
      Nonstop
      SEA 8:41 AM
      San Francisco - Seattle | Fri, Oct 30 | Delta Air Lines
      TRY 15,632
      35% off
      TRY 24,170 TRY 15,632
    • 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
      TRY 11,912 TRY 17,972
      34% off
      34% off
      TRY 17,972 TRY 11,912
    • SFO 6:40 PM
      2h 8m
      Nonstop
      SEA 8:48 PM
      San Francisco - Seattle | Fri, Jan 22 | United Airlines
      TRY 6,169 TRY 17,972
      66% off
      66% off
      TRY 17,972 TRY 6,169
    • SFO 6:32 PM
      2h 8m
      Nonstop
      SEA 8:40 PM
      San Francisco - Seattle | Fri, Jan 1 | United Airlines
      TRY 6,289 TRY 17,972
      65% off
      65% off
      TRY 17,972 TRY 6,289
    • SFO 6:32 PM
      2h 8m
      Nonstop
      SEA 8:40 PM
      San Francisco - Seattle | Tue, Dec 29 | United Airlines
      TRY 9,059
      50% off
      TRY 17,972 TRY 9,059
    • SFO 6:32 PM
      2h 8m
      Nonstop
      SEA 8:40 PM
      San Francisco - Seattle | Fri, Dec 25 | United Airlines
      TRY 9,067
      50% off
      TRY 17,972 TRY 9,067
    • SFO 6:40 PM
      2h 8m
      Nonstop
      SEA 8:48 PM
      San Francisco - Seattle | Fri, Jan 15 | United Airlines
      TRY 10,508
      42% off
      TRY 17,972 TRY 10,508
    • SFO 6:32 PM
      2h 8m
      Nonstop
      SEA 8:40 PM
      San Francisco - Seattle | Sat, Dec 26 | United Airlines
      TRY 10,538
      41% off
      TRY 17,972 TRY 10,538
    • SFO 6:32 PM
      2h 8m
      Nonstop
      SEA 8:40 PM
      San Francisco - Seattle | Sun, Dec 20 | United Airlines
      TRY 11,957
      33% off
      TRY 17,972 TRY 11,957
    • SFO 6:32 PM
      2h 8m
      Nonstop
      SEA 8:40 PM
      San Francisco - Seattle | Sun, Jan 3 | United Airlines
      TRY 12,278
      32% off
      TRY 17,972 TRY 12,278
    • SFO 1:00 PM
      17h 25m
      1 stop
      SEA 2:00 PM
      San Francisco - Seattle | Thu, Oct 29 | Normal Airline
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      Find more flights

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 TRY 7,715. Try to avoid June, when prices are highest, averaging around TRY 11,608.

TRY 11,608
TRY 9,662
TRY 7,715
TRY 5,769
    Cheapest
  • TRY 8,153
    Oct
  • TRY 8,654
    Nov
  • TRY 9,049
    Dec
  • TRY 7,715
    Jan
  • TRY 8,708
    Feb
  • TRY 10,564
    Mar
  • TRY 9,076
    Apr
  • TRY 11,213
    May
  • TRY 11,608
    Jun
  • TRY 10,318
    Jul
  • TRY 9,765
    Aug
  • TRY 9,403
    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 TRY 10,277. In contrast, June is typically the most expensive month, with average prices reaching TRY 21,559.

TRY 21,559
TRY 15,918
TRY 10,277
TRY 4,636
    Cheapest
  • TRY 13,229
    Oct
  • TRY 18,800
    Nov
  • TRY 13,622
    Dec
  • TRY 10,277
    Jan
  • TRY 12,116
    Feb
  • TRY 15,543
    Mar
  • TRY 14,612
    Apr
  • TRY 19,312
    May
  • TRY 21,559
    Jun
  • TRY 19,508
    Jul
  • TRY 15,868
    Aug
  • TRY 16,083
    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.

TRY 11,335
TRY 9,647
TRY 7,958
TRY 6,270
  • TRY 9,077
    Mon
  • TRY 7,958
    Tue
  • TRY 8,410
    Wed
  • TRY 10,034
    Thu
  • TRY 11,335
    Fri
  • TRY 9,902
    Sat
  • TRY 10,340
    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 TRY 1,875) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Alaska Airlines
From TRY 1,875
Delta Air Lines
From TRY 1,897
Frontier Airlines
From TRY 2,861
American Airlines
From TRY 3,720
United Airlines
From TRY 4,683
Hahn Air
From TRY 5,945

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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. AS068

    San Francisco International Airport

    4:21 PM

    SFO

    2h 12m

    6:33 PM

    SEA

    S M T W T - 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. AS580

    San Francisco International Airport

    10:39 AM

    SFO

    2h 17m

    12:56 PM

    SEA

    S M T W T F S
    Search

  4. AS1327

    San Francisco International Airport

    7:45 PM

    SFO

    2h 14m

    9:59 PM

    SEA

    S M T W T F S
    Search

  5. AS1340

    San Francisco International Airport

    5:45 PM

    SFO

    2h 11m

    7:56 PM

    SEA

    S M T W T - S
    Search

  6. DL1412

    San Francisco International Airport

    2:15 PM

    SFO

    2h 22m

    4:37 PM

    SEA

    S M T W T F S
    Search

  7. DL1134

    San Francisco International Airport

    10:35 AM

    SFO

    2h 22m

    12:57 PM

    SEA

    S M T W T F S
    Search

  8. DL2721

    San Francisco International Airport

    6:05 AM

    SFO

    2h 15m

    8:20 AM

    SEA

    S M T W T F S
    Search

  9. DL3991

    San Francisco International Airport

    8:58 PM

    SFO

    2h 15m

    11:13 PM

    SEA

    - M T W T - -
    Search

  10. F92858

    San Francisco International Airport

    9:31 PM

    SFO

    1h 33m

    Nonstop

    11:04 PM

    LAX

    - M T - - F -
    Search

  11. F91177

    Los Angeles International Airport

    5:02 PM

    LAX

    3h

    Nonstop

    8:02 PM

    SEA

    S M T W T F S
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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 TRY 1,875
Cheapest return ticket price TRY 4,392

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 TRY 18,484 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 TRY 1,875, and round-trip fares start from TRY 4,392. The current lowest fare is a Alaska Airlines flight departing on Thu, Nov 5; 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 TRY 8,563. 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 TRY 1,875. 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.

Popular Destinations

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.