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Pittsburgh International Airport to Seattle-Tacoma International Airport flight

Explore the cheapest one-way and round-trip flights from Pittsburgh International Airport to Seattle-Tacoma International Airport over the next 90 days, with one-way fares from TWD 3,107 and round-trip from TWD 6,418. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        PIT 07:02
        5h 12m
        Direct
        SEA 09:14
        Pittsburgh - Seattle | Sun, Sep 13 | Alaska Airlines
        SEA 21:44
        4h 41m
        Direct
        PIT 05:25
        Seattle - Pittsburgh | Sat, Sep 19 | Alaska Airlines
        TWD 12,479 TWD 15,617
        20% off
        20% off
        TWD 15,617 TWD 12,479
      • PIT 07:02
        5h 12m
        Direct
        SEA 09:14
        Pittsburgh - Seattle | Sun, Oct 4 | Alaska Airlines
        SEA 21:44
        4h 41m
        Direct
        PIT 05:25
        Seattle - Pittsburgh | Mon, Oct 5 | Alaska Airlines
        TWD 12,493 TWD 15,617
        20% off
        20% off
        TWD 15,617 TWD 12,493
      • PIT 13:01
        8h 34m
        1 stop
        SEA 18:35
        Pittsburgh - Seattle | Wed, Oct 14 | American Airlines
        SEA 21:42
        7h 54m
        1 stop
        PIT 08:36
        Seattle - Pittsburgh | Wed, Oct 21 | American Airlines
        TWD 6,418 TWD 15,617
        59% off
        59% off
        TWD 15,617 TWD 6,418
      • PIT 05:21
        9h 29m
        1 stop
        SEA 11:50
        Pittsburgh - Seattle | Tue, Sep 15 | American Airlines
        SEA 12:40
        7h 56m
        1 stop
        PIT 23:36
        Seattle - Pittsburgh | Sat, Sep 19 | American Airlines
        TWD 8,011
        49% off
        TWD 15,617 TWD 8,011
      • PIT 16:06
        8h 30m
        1 stop
        SEA 21:36
        Pittsburgh - Seattle | Tue, Oct 6 | American Airlines
        SEA 12:40
        7h 56m
        1 stop
        PIT 23:36
        Seattle - Pittsburgh | Fri, Oct 9 | American Airlines
        TWD 8,272
        47% off
        TWD 15,617 TWD 8,272
      • PIT 16:06
        8h 30m
        1 stop
        SEA 21:36
        Pittsburgh - Seattle | Sat, Sep 26 | American Airlines
        SEA 23:57
        8h 4m
        1 stop
        PIT 11:01
        Seattle - Pittsburgh | Mon, Sep 28 | American Airlines
        TWD 8,429
        46% off
        TWD 15,617 TWD 8,429
      • PIT 11:35
        10h 12m
        1 stop
        SEA 18:47
        Pittsburgh - Seattle | Tue, Sep 8 | American Airlines
        SEA 05:00
        7h 44m
        1 stop
        PIT 15:44
        Seattle - Pittsburgh | Thu, Sep 10 | American Airlines
        TWD 8,528
        45% off
        TWD 15,617 TWD 8,528
      • PIT 11:38
        8h 4m
        1 stop
        SEA 16:42
        Pittsburgh - Seattle | Sun, Oct 4 | American Airlines
        SEA 22:45
        8h 43m
        1 stop
        PIT 10:28
        Seattle - Pittsburgh | Mon, Oct 5 | American Airlines
        TWD 8,528
        45% off
        TWD 15,617 TWD 8,528
      • PIT 05:00
        10h 18m
        1 stop
        SEA 12:18
        Pittsburgh - Seattle | Thu, Oct 15 | American Airlines
        SEA 12:49
        7h 46m
        1 stop
        PIT 23:35
        Seattle - Pittsburgh | Fri, Oct 23 | American Airlines
        TWD 8,528
        45% off
        TWD 15,617 TWD 8,528
      • PIT 17:25
        8h 31m
        1 stop
        SEA 22:56
        Pittsburgh - Seattle | Sun, Sep 6 | American Airlines
        SEA 05:10
        8h 54m
        1 stop
        PIT 17:04
        Seattle - Pittsburgh | Wed, Sep 9 | American Airlines
        TWD 8,528
        45% off
        TWD 15,617 TWD 8,528
      • PIT 06:00
        8h 40m
        1 stop
        SEA 11:40
        Pittsburgh - Seattle | Mon, Oct 12 | American Airlines
        SEA 23:59
        9h 29m
        1 stop
        PIT 12:28
        Seattle - Pittsburgh | Sun, Oct 18 | American Airlines
        TWD 8,528
        45% off
        TWD 15,617 TWD 8,528
      • PIT 08:00
        7h 50m
        1 stop
        SEA 12:50
        Pittsburgh - Seattle | Wed, Oct 7 | American Airlines
        SEA 12:56
        7h 29m
        1 stop
        PIT 23:25
        Seattle - Pittsburgh | Wed, Oct 14 | American Airlines
        TWD 8,614
        45% off
        TWD 15,617 TWD 8,614
      • PIT 17:25
        8h 31m
        1 stop
        SEA 22:56
        Pittsburgh - Seattle | Sun, Sep 13 | American Airlines
        SEA 23:57
        9h 35m
        1 stop
        PIT 12:32
        Seattle - Pittsburgh | Sat, Sep 19 | American Airlines
        TWD 8,699
        44% off
        TWD 15,617 TWD 8,699
      • PIT 13:00
        17h 25m
        1 stop
        SEA 14:00
        Pittsburgh - Seattle | Fri, Aug 28 | Normal Airline
        SEA 15:00
        6h
        Direct
        PIT 16:00
        Seattle - Pittsburgh | Sun, Aug 30 | Normal Airline
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      • Cheapest nonstop
        PIT 19:42
        5h 20m
        Direct
        SEA 22:02
        Pittsburgh - Seattle | Sun, Oct 11 | Alaska Airlines
        TWD 5,161 TWD 8,058
        36% off
        36% off
        TWD 8,058 TWD 5,161
      • PIT 18:23
        5h 11m
        Direct
        SEA 20:34
        Pittsburgh - Seattle | Wed, Sep 2 | Alaska Airlines
        TWD 6,446 TWD 8,058
        20% off
        20% off
        TWD 8,058 TWD 6,446
      • PIT 07:20
        9h 59m
        1 stop
        SEA 14:19
        Pittsburgh - Seattle | Sun, Oct 11 | Delta Air Lines
        TWD 3,107 TWD 8,058
        61% off
        61% off
        TWD 8,058 TWD 3,107
      • PIT 14:25
        10h 34m
        1 stop
        SEA 21:59
        Pittsburgh - Seattle | Wed, Sep 2 | American Airlines
        TWD 3,795
        53% off
        TWD 8,058 TWD 3,795
      • PIT 15:46
        9h 5m
        1 stop
        SEA 21:51
        Pittsburgh - Seattle | Fri, Sep 25 | United Airlines
        TWD 3,809
        53% off
        TWD 8,058 TWD 3,809
      • PIT 14:43
        11h 14m
        1 stop
        SEA 22:57
        Pittsburgh - Seattle | Sun, Sep 20 | American Airlines
        TWD 4,013
        50% off
        TWD 8,058 TWD 4,013
      • PIT 06:34
        9h 16m
        1 stop
        SEA 12:50
        Pittsburgh - Seattle | Sat, Oct 10 | American Airlines
        TWD 4,217
        48% off
        TWD 8,058 TWD 4,217
      • PIT 07:46
        9h 42m
        1 stop
        SEA 14:28
        Pittsburgh - Seattle | Mon, Sep 7 | American Airlines
        TWD 4,264
        47% off
        TWD 8,058 TWD 4,264
      • PIT 13:00
        17h 25m
        1 stop
        SEA 14:00
        Pittsburgh - Seattle | Fri, Aug 28 | Normal Airline
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Flight prices from Pittsburgh 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.

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

The cheapest airline flying from Pittsburgh International Airport to Seattle-Tacoma International Airport is Delta Air Lines (from TWD 3,107) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Delta Air Lines
From TWD 3,107
American Airlines
From TWD 3,795
United Airlines
From TWD 3,809
Hahn Air
From TWD 4,587
Alaska Airlines
From TWD 5,161
Jetblue Airways
From TWD 10,179

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

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

Flight info.
Departure
Arrival
Weekly Schedule

  1. AS412

    Pittsburgh International Airport

    18:23

    PIT

    5h 11m

    20:34

    SEA

    S M T W T F S
    Search

  2. AA4509

    Pittsburgh International Airport

    06:09

    PIT

    1h 51m

    Direct

    07:00

    ORD

    S M T W T F S
    Search

  3. AA3234

    O'Hare International Airport

    06:45

    ORD

    4h 44m

    Direct

    09:29

    SEA

    S M T W T F S

  4. AA1173

    Pittsburgh International Airport

    16:06

    PIT

    1h 53m

    Direct

    16:59

    ORD

    S M T W T F S
    Search

  5. AA3105

    O'Hare International Airport

    07:17

    ORD

    4h 52m

    Direct

    10:09

    SEA

    S M T W T F S

  6. UA436

    Pittsburgh International Airport

    17:48

    PIT

    5h 24m

    Direct

    20:12

    SFO

    S - - W T - S
    Search

  7. UA1007

    San Francisco International Airport

    21:07

    SFO

    2h 19m

    Direct

    23:26

    SEA

    S - T W T - S

  8. AA5487

    Pittsburgh International Airport

    06:00

    PIT

    1h 24m

    Direct

    07:24

    PHL

    S M - W T F S
    Search

  9. AA2870

    Philadelphia International Airport

    08:44

    PHL

    6h 6m

    Direct

    11:50

    SEA

    S M T W T F S

  10. AA2664

    Pittsburgh International Airport

    17:00

    PIT

    3h 3m

    Direct

    19:03

    DFW

    S M T W T F S
    Search

  11. AA2009

    Dallas Fort Worth International Airport

    16:30

    DFW

    4h 17m

    Direct

    18:47

    SEA

    S M T W T - S

  12. AA1885

    Pittsburgh International Airport

    07:43

    PIT

    4h 35m

    Direct

    09:18

    PHX

    S - - W T - S
    Search

  13. AA2524

    Phoenix Sky Harbor International Airport

    11:20

    PHX

    3h 8m

    Direct

    14:28

    SEA

    S M T W T F S

  14. UA3577

    Pittsburgh International Airport

    16:09

    PIT

    1h 49m

    Direct

    16:58

    ORD

    S M T W T F S
    Search

  15. UA2211

    O'Hare International Airport

    19:59

    ORD

    4h 44m

    Direct

    22:43

    SEA

    S M T W T F S
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About Pittsburgh International Airport and Seattle-Tacoma International Airport

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

Flight distance 3,412.12km
Cheapest one-way ticket price TWD 3,107
Cheapest return ticket price TWD 6,418

FAQs for Pittsburgh International Airport to Seattle-Tacoma International Airport Flights

  • How long is a flight from Pittsburgh International Airport (PIT) to Seattle-Tacoma International Airport (SEA)?

    It takes around 5 hours 14 minutes to fly from Pittsburgh International Airport (pit) to Seattle-Tacoma International Airport (sea).
  • There are around 2 daily flights from Pittsburgh International Airport (PIT) to Seattle-Tacoma International Airport (SEA).
  • Tickets cost around TWD 10,895 in October, making it the cheapest month to book. Pittsburgh International Airport (PIT) to Seattle-Tacoma International Airport (SEA) is a popular route, so don't forget to book your tickets in advance.
  • The route from Pittsburgh International Airport (PIT) to Seattle-Tacoma International Airport (SEA) is quite popular. Without considering departure times or holidays, tickets cost around TWD 13,580 in September, the most expensive month to book this route.
  • The earliest flight departs from Pittsburgh International Airport (PIT) at 07:00 and arrives in Seattle-Tacoma International Airport (SEA) at 09:08.
  • The latest flight departs from Pittsburgh International Airport (PIT) at 19:28 and arrives in Seattle-Tacoma International Airport (SEA) at 22:00.
    • The distance from Seattle-Tacoma International Airport to downtown is about 17km, by taxi about 30 minutes.
  • United Airlines is a very popular airline operating an average of 50 flights per month.

Popular Destinations & Recommendations

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 shown before payment. Charges for checked baggage, meals, Wi-Fi, and other optional services may also appear in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page have been updated within the last 24 hours, and with many routes refreshed in real time. The more popular the route, the more accurate 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.