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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 PHP 2,515 and round-trip from PHP 5,643. Based on Trip.com's latest 7-day flight data.

    • Cheapest
      SFO 5:56 PM
      2h 28m
      Nonstop
      SEA 8:24 PM
      San Francisco - Seattle | Sat, Dec 12 | Delta Air Lines
      PHP 2,515 PHP 5,903
      56% off
      56% off
      PHP 5,903 PHP 2,515
    • SFO 8:59 PM
      2h 25m
      Nonstop
      SEA 11:24 PM
      San Francisco - Seattle | Tue, Dec 8 | Delta Air Lines
      PHP 3,810 PHP 5,903
      35% off
      35% off
      PHP 5,903 PHP 3,810
    • SFO 6:00 AM
      2h 18m
      Nonstop
      SEA 8:18 AM
      San Francisco - Seattle | Tue, Dec 8 | Delta Air Lines
      PHP 3,810 PHP 30,268
      87% off
      87% off
      PHP 30,268 PHP 3,810
    • SFO 10:38 AM
      2h 19m
      Nonstop
      SEA 12:57 PM
      San Francisco - Seattle | Thu, Nov 19 | Delta Air Lines
      PHP 3,868
      34% off
      PHP 5,903 PHP 3,868
    • SFO 8:58 PM
      2h 15m
      Nonstop
      SEA 11:13 PM
      San Francisco - Seattle | Mon, Nov 16 | Alaska Airlines
      PHP 3,906
      34% off
      PHP 5,903 PHP 3,906
    • SFO 8:59 PM
      2h 27m
      Nonstop
      SEA 11:26 PM
      San Francisco - Seattle | Tue, Nov 10 | Delta Air Lines
      PHP 3,926
      87% off
      PHP 30,268 PHP 3,926
    • SFO 8:59 PM
      2h 27m
      Nonstop
      SEA 11:26 PM
      San Francisco - Seattle | Mon, Nov 16 | Delta Air Lines
      PHP 3,974
      33% off
      PHP 5,903 PHP 3,974
    • SFO 12:39 PM
      2h 16m
      Nonstop
      SEA 2:55 PM
      San Francisco - Seattle | Tue, Dec 8 | Alaska Airlines
      PHP 4,002
      32% off
      PHP 5,903 PHP 4,002
    • SFO 6:05 AM
      2h 15m
      Nonstop
      SEA 8:20 AM
      San Francisco - Seattle | Mon, Jan 4 | Delta Air Lines
      PHP 4,146
      86% off
      PHP 30,268 PHP 4,146
    • 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
      PHP 5,643 PHP 10,149
      44% off
      44% off
      PHP 10,149 PHP 5,643
    • 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
      PHP 5,855 PHP 10,149
      42% off
      42% off
      PHP 10,149 PHP 5,855
    • 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
      PHP 8,110 PHP 10,149
      20% off
      20% off
      PHP 10,149 PHP 8,110
    • 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
      PHP 8,110
      20% off
      PHP 10,149 PHP 8,110
    • 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
      PHP 8,110
      20% off
      PHP 10,149 PHP 8,110
    • 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
      PHP 8,110
      20% off
      PHP 10,149 PHP 8,110
    • 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
      PHP 8,119
      20% off
      PHP 10,149 PHP 8,119
    • 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
      PHP 8,119
      20% off
      PHP 10,149 PHP 8,119
    • 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
      PHP 8,119
      20% off
      PHP 10,149 PHP 8,119
    • 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 6:00 AM
      2h 18m
      Nonstop
      SEA 8:18 AM
      San Francisco - Seattle | Tue, Dec 8 | Delta Air Lines
      PHP 3,810 PHP 30,268
      87% off
      87% off
      PHP 30,268 PHP 3,810
    • SFO 8:59 PM
      2h 27m
      Nonstop
      SEA 11:26 PM
      San Francisco - Seattle | Tue, Nov 10 | Delta Air Lines
      PHP 3,926 PHP 30,268
      87% off
      87% off
      PHP 30,268 PHP 3,926
    • SFO 6:05 AM
      2h 15m
      Nonstop
      SEA 8:20 AM
      San Francisco - Seattle | Mon, Jan 4 | Delta Air Lines
      PHP 4,146 PHP 30,268
      86% off
      86% off
      PHP 30,268 PHP 4,146
    • SFO 6:00 AM
      2h 18m
      Nonstop
      SEA 8:18 AM
      San Francisco - Seattle | Thu, Dec 10 | Delta Air Lines
      PHP 4,962
      84% off
      PHP 30,268 PHP 4,962
    • SFO 5:56 PM
      2h 28m
      Nonstop
      SEA 8:24 PM
      San Francisco - Seattle | Mon, Dec 7 | Delta Air Lines
      PHP 6,843
      77% off
      PHP 30,268 PHP 6,843
    • SFO 8:33 AM
      2h 19m
      Nonstop
      SEA 10:52 AM
      San Francisco - Seattle | Mon, Nov 16 | Alaska Airlines
      PHP 6,910
      77% off
      PHP 30,268 PHP 6,910
    • SFO 6:05 AM
      2h 15m
      Nonstop
      SEA 8:20 AM
      San Francisco - Seattle | Fri, Jan 15 | Delta Air Lines
      PHP 7,169
      76% off
      PHP 30,268 PHP 7,169
    • SFO 2:12 PM
      2h 18m
      Nonstop
      SEA 4:30 PM
      San Francisco - Seattle | Wed, Nov 18 | Delta Air Lines
      PHP 8,331
      72% off
      PHP 30,268 PHP 8,331
    • SFO 7:00 AM
      2h 16m
      Nonstop
      SEA 9:16 AM
      San Francisco - Seattle | Wed, Dec 9 | Alaska Airlines
      PHP 8,398
      72% off
      PHP 30,268 PHP 8,398
    • 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 5:56 PM
      2h 28m
      Nonstop
      SEA 8:24 PM
      San Francisco - Seattle | Sat, Dec 12 | Delta Air Lines
      PHP 2,515 PHP 5,903
      56% off
      56% off
      PHP 5,903 PHP 2,515
    • SFO 8:59 PM
      2h 25m
      Nonstop
      SEA 11:24 PM
      San Francisco - Seattle | Tue, Dec 8 | Delta Air Lines
      PHP 3,810 PHP 5,903
      35% off
      35% off
      PHP 5,903 PHP 3,810
    • SFO 6:00 AM
      2h 18m
      Nonstop
      SEA 8:18 AM
      San Francisco - Seattle | Tue, Dec 8 | Delta Air Lines
      PHP 3,810 PHP 30,268
      87% off
      87% off
      PHP 30,268 PHP 3,810
    • SFO 10:38 AM
      2h 19m
      Nonstop
      SEA 12:57 PM
      San Francisco - Seattle | Thu, Nov 19 | Delta Air Lines
      PHP 3,868
      34% off
      PHP 5,903 PHP 3,868
    • SFO 8:58 PM
      2h 15m
      Nonstop
      SEA 11:13 PM
      San Francisco - Seattle | Mon, Nov 16 | Alaska Airlines
      PHP 3,906
      34% off
      PHP 5,903 PHP 3,906
    • SFO 8:59 PM
      2h 27m
      Nonstop
      SEA 11:26 PM
      San Francisco - Seattle | Tue, Nov 10 | Delta Air Lines
      PHP 3,926
      87% off
      PHP 30,268 PHP 3,926
    • SFO 8:59 PM
      2h 27m
      Nonstop
      SEA 11:26 PM
      San Francisco - Seattle | Mon, Nov 16 | Delta Air Lines
      PHP 3,974
      33% off
      PHP 5,903 PHP 3,974
    • SFO 12:39 PM
      2h 16m
      Nonstop
      SEA 2:55 PM
      San Francisco - Seattle | Tue, Dec 8 | Alaska Airlines
      PHP 4,002
      32% off
      PHP 5,903 PHP 4,002
    • SFO 6:05 AM
      2h 15m
      Nonstop
      SEA 8:20 AM
      San Francisco - Seattle | Mon, Jan 4 | Delta Air Lines
      PHP 4,146
      86% off
      PHP 30,268 PHP 4,146
    • 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 11:00 AM
      2h 16m
      Nonstop
      SEA 1:16 PM
      San Francisco - Seattle | Sat, Oct 31 | Alaska Airlines
      PHP 4,943 PHP 31,863
      84% off
      84% off
      PHP 31,863 PHP 4,943
    • SFO 10:39 AM
      2h 17m
      Nonstop
      SEA 12:56 PM
      San Francisco - Seattle | Sun, Nov 1 | Alaska Airlines
      PHP 8,935 PHP 31,863
      72% off
      72% off
      PHP 31,863 PHP 8,935
    • SFO 1:51 PM
      2h 13m
      Nonstop
      SEA 4:04 PM
      San Francisco - Seattle | Sat, Oct 31 | American Airlines
      PHP 10,231 PHP 31,863
      68% off
      68% off
      PHP 31,863 PHP 10,231
    • SFO 8:33 AM
      2h 19m
      Nonstop
      SEA 10:52 AM
      San Francisco - Seattle | Tue, Nov 3 | Alaska Airlines
      PHP 16,056
      50% off
      PHP 31,863 PHP 16,056
    • SFO 2:15 PM
      2h 22m
      Nonstop
      SEA 4:37 PM
      San Francisco - Seattle | Tue, Nov 3 | Delta Air Lines
      PHP 16,191
      49% off
      PHP 31,863 PHP 16,191
    • SFO 10:39 AM
      2h 17m
      Nonstop
      SEA 12:56 PM
      San Francisco - Seattle | Mon, Nov 2 | Alaska Airlines
      PHP 19,780
      38% off
      PHP 31,863 PHP 19,780
    • SFO 6:20 AM
      2h 21m
      Nonstop
      SEA 8:41 AM
      San Francisco - Seattle | Fri, Oct 30 | Delta Air Lines
      PHP 20,269
      36% off
      PHP 31,863 PHP 20,269
    • SFO 5:45 PM
      2h 19m
      Nonstop
      SEA 8:04 PM
      San Francisco - Seattle | Mon, Nov 2 | Delta Air Lines
      PHP 24,214
      24% off
      PHP 31,863 PHP 24,214
    • SFO 4:21 PM
      2h 12m
      Nonstop
      SEA 6:33 PM
      San Francisco - Seattle | Wed, Oct 28 | Alaska Airlines
      PHP 24,857
      22% off
      PHP 31,863 PHP 24,857
    • 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
    • SFO 12:19 PM
      1h 59m
      Nonstop
      SEA 2:18 PM
      San Francisco - Seattle | Sun, Dec 6 | United Airlines
      PHP 15,000 PHP 22,974
      35% off
      35% off
      PHP 22,974 PHP 15,000
    • SFO 6:40 PM
      2h 8m
      Nonstop
      SEA 8:48 PM
      San Francisco - Seattle | Fri, Jan 22 | United Airlines
      PHP 7,928 PHP 22,974
      65% off
      65% off
      PHP 22,974 PHP 7,928
    • SFO 6:32 PM
      2h 8m
      Nonstop
      SEA 8:40 PM
      San Francisco - Seattle | Fri, Jan 1 | United Airlines
      PHP 8,081 PHP 22,974
      65% off
      65% off
      PHP 22,974 PHP 8,081
    • SFO 6:32 PM
      2h 8m
      Nonstop
      SEA 8:40 PM
      San Francisco - Seattle | Tue, Dec 29 | United Airlines
      PHP 11,114
      52% off
      PHP 22,974 PHP 11,114
    • SFO 6:32 PM
      2h 8m
      Nonstop
      SEA 8:40 PM
      San Francisco - Seattle | Fri, Dec 25 | United Airlines
      PHP 11,152
      51% off
      PHP 22,974 PHP 11,152
    • SFO 6:40 PM
      2h 8m
      Nonstop
      SEA 8:48 PM
      San Francisco - Seattle | Fri, Jan 15 | United Airlines
      PHP 13,503
      41% off
      PHP 22,974 PHP 13,503
    • SFO 6:32 PM
      2h 8m
      Nonstop
      SEA 8:40 PM
      San Francisco - Seattle | Sat, Dec 26 | United Airlines
      PHP 13,542
      41% off
      PHP 22,974 PHP 13,542
    • SFO 6:32 PM
      2h 8m
      Nonstop
      SEA 8:40 PM
      San Francisco - Seattle | Tue, Dec 22 | United Airlines
      PHP 14,905
      35% off
      PHP 22,974 PHP 14,905
    • SFO 6:32 PM
      2h 8m
      Nonstop
      SEA 8:40 PM
      San Francisco - Seattle | Sun, Dec 20 | United Airlines
      PHP 14,924
      35% off
      PHP 22,974 PHP 14,924
    • 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 PHP 9,914. Try to avoid June, when prices are highest, averaging around PHP 14,917.

PHP 14,917
PHP 12,416
PHP 9,914
PHP 7,413
    Cheapest
  • PHP 10,477
    Oct
  • PHP 11,120
    Nov
  • PHP 11,627
    Dec
  • PHP 9,914
    Jan
  • PHP 11,190
    Feb
  • PHP 13,575
    Mar
  • PHP 11,663
    Apr
  • PHP 14,409
    May
  • PHP 14,917
    Jun
  • PHP 13,259
    Jul
  • PHP 12,549
    Aug
  • PHP 12,083
    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 PHP 13,206. In contrast, June is typically the most expensive month, with average prices reaching PHP 27,704.

PHP 27,704
PHP 20,455
PHP 13,206
PHP 5,957
    Cheapest
  • PHP 17,000
    Oct
  • PHP 24,158
    Nov
  • PHP 17,504
    Dec
  • PHP 13,206
    Jan
  • PHP 15,569
    Feb
  • PHP 19,973
    Mar
  • PHP 18,776
    Apr
  • PHP 24,817
    May
  • PHP 27,704
    Jun
  • PHP 25,068
    Jul
  • PHP 20,391
    Aug
  • PHP 20,667
    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.

PHP 14,663
PHP 12,554
PHP 10,445
PHP 8,336
  • PHP 11,708
    Mon
  • PHP 10,445
    Tue
  • PHP 10,807
    Wed
  • PHP 13,050
    Thu
  • PHP 14,663
    Fri
  • PHP 12,805
    Sat
  • PHP 13,329
    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 Delta Air Lines (from PHP 2,515) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Delta Air Lines
From PHP 2,515
Alaska Airlines
From PHP 3,906
Frontier Airlines
From PHP 4,761
American Airlines
From PHP 5,509
United Airlines
From PHP 7,169
Hahn Air
From PHP 7,477

Find more flights and airlines

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. AS620

    San Francisco International Airport

    8:35 PM

    SFO

    2h 19m

    10:54 PM

    SEA

    S M T W T F S
    Search

  3. AS068

    San Francisco International Airport

    4:21 PM

    SFO

    2h 12m

    6:33 PM

    SEA

    S M T W T - S
    Search

  4. AS591

    San Francisco International Airport

    7:11 PM

    SFO

    2h 14m

    9:25 PM

    SEA

    S M T W T - S
    Search

  5. AS580

    San Francisco International Airport

    10:39 AM

    SFO

    2h 17m

    12:56 PM

    SEA

    S M T W T F S
    Search

  6. DL2721

    San Francisco International Airport

    6:05 AM

    SFO

    2h 15m

    8:20 AM

    SEA

    S M T W T F 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. AS1327

    San Francisco International Airport

    7:45 PM

    SFO

    2h 14m

    9:59 PM

    SEA

    S M T W T F S
    Search

  9. AS1340

    San Francisco International Airport

    5:45 PM

    SFO

    2h 11m

    7:56 PM

    SEA

    S M T W T - 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 PHP 2,515
Cheapest return ticket price PHP 5,643

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 21 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 PHP 24,914 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 PHP 2,515, and round-trip fares start from PHP 5,643. 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 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 PHP 11,003. 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 PHP 2,515. 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.