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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 US$126 and round-trip from US$229. Based on Trip.com's latest 7-day flight data.

    • Cheapest nonstop
      PIT 08:00
      5h 40m
      Direct
      SEA 10:40
      Pittsburgh - Seattle | Wed, Dec 9 | Alaska Airlines
      SEA 13:01
      4h 29m
      Direct
      PIT 20:30
      Seattle - Pittsburgh | Wed, Dec 16 | Alaska Airlines
      US$387 US$457
      15% off
      15% off
      US$457 US$387
    • PIT 08:00
      5h 40m
      Direct
      SEA 10:40
      Pittsburgh - Seattle | Thu, Dec 3 | Alaska Airlines
      SEA 13:01
      4h 29m
      Direct
      PIT 20:30
      Seattle - Pittsburgh | Wed, Dec 9 | Alaska Airlines
      US$397 US$457
      13% off
      13% off
      US$457 US$397
    • PIT 09:59
      9h
      1 stop
      SEA 15:59
      Pittsburgh - Seattle | Fri, Nov 27 | American Airlines
      SEA 23:46
      8h 14m
      1 stop
      PIT 11:00
      Seattle - Pittsburgh | Thu, Dec 3 | American Airlines
      US$229 US$457
      50% off
      50% off
      US$457 US$229
    • PIT 09:57
      7h 23m
      1 stop
      SEA 14:20
      Pittsburgh - Seattle | Sat, Dec 5 | American Airlines
      SEA 10:29
      7h 28m
      1 stop
      PIT 20:57
      Seattle - Pittsburgh | Thu, Dec 10 | American Airlines
      US$269
      41% off
      US$457 US$269
    • PIT 09:57
      7h 23m
      1 stop
      SEA 14:20
      Pittsburgh - Seattle | Wed, Nov 11 | American Airlines
      SEA 11:16
      7h 43m
      1 stop
      PIT 21:59
      Seattle - Pittsburgh | Sun, Nov 15 | American Airlines
      US$269
      41% off
      US$457 US$269
    • PIT 06:00
      8h 37m
      1 stop
      SEA 11:37
      Pittsburgh - Seattle | Thu, Nov 12 | American Airlines
      SEA 10:47
      7h 18m
      1 stop
      PIT 21:05
      Seattle - Pittsburgh | Mon, Nov 16 | American Airlines
      US$269
      41% off
      US$457 US$269
    • PIT 17:49
      8h 21m
      1 stop
      SEA 23:10
      Pittsburgh - Seattle | Sat, Nov 14 | American Airlines
      SEA 05:40
      8h 12m
      1 stop
      PIT 16:52
      Seattle - Pittsburgh | Sat, Nov 21 | American Airlines
      US$296
      35% off
      US$457 US$296
    • PIT 08:21
      8h 59m
      1 stop
      SEA 14:20
      Pittsburgh - Seattle | Mon, Nov 16 | American Airlines
      SEA 23:34
      8h 14m
      1 stop
      PIT 10:48
      Seattle - Pittsburgh | Wed, Nov 18 | American Airlines
      US$297
      35% off
      US$457 US$297
    • PIT 09:57
      7h 23m
      1 stop
      SEA 14:20
      Pittsburgh - Seattle | Fri, Nov 13 | American Airlines
      SEA 09:15
      8h 45m
      1 stop
      PIT 21:00
      Seattle - Pittsburgh | Mon, Nov 16 | American Airlines
      US$299
      35% off
      US$457 US$299
    • PIT 13:00
      17h 25m
      1 stop
      SEA 14:00
      Pittsburgh - Seattle | Fri, Nov 6 | Normal Airline
      SEA 15:00
      6h
      Direct
      PIT 16:00
      Seattle - Pittsburgh | Sun, Nov 8 | Normal Airline
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    • Cheapest
      PIT 15:26
      11h 21m
      1 stop
      SEA 23:47
      Pittsburgh - Seattle | Wed, Nov 25 | American Airlines
      US$126 US$249
      49% off
      49% off
      US$249 US$126
    • PIT 08:05
      10h 39m
      1 stop
      SEA 15:44
      Pittsburgh - Seattle | Wed, Dec 16 | American Airlines
      US$139 US$249
      44% off
      44% off
      US$249 US$139
    • PIT 13:02
      10h 17m
      1 stop
      SEA 20:19
      Pittsburgh - Seattle | Mon, Dec 14 | American Airlines
      US$139 US$249
      44% off
      44% off
      US$249 US$139
    • PIT 13:35
      10h 15m
      1 stop
      SEA 20:50
      Pittsburgh - Seattle | Thu, Dec 10 | Delta Air Lines
      US$153
      39% off
      US$249 US$153
    • PIT 19:14
      7h 39m
      1 stop
      SEA 23:53
      Pittsburgh - Seattle | Fri, Dec 11 | Delta Air Lines
      US$153
      39% off
      US$249 US$153
    • PIT 16:59
      9h 10m
      1 stop
      SEA 23:09
      Pittsburgh - Seattle | Tue, Dec 8 | Delta Air Lines
      US$153
      39% off
      US$249 US$153
    • PIT 08:00
      5h 40m
      Direct
      SEA 10:40
      Pittsburgh - Seattle | Fri, Dec 18 | Alaska Airlines
      US$213
      14% off
      US$249 US$213
    • PIT 08:00
      5h 40m
      Direct
      SEA 10:40
      Pittsburgh - Seattle | Thu, Dec 10 | Alaska Airlines
      US$216
      13% off
      US$249 US$216
    • PIT 16:56
      6h 54m
      1 stop
      SEA 20:50
      Pittsburgh - Seattle | Sat, Jan 23 | Delta Air Lines
      US$233
      13% off
      US$268 US$233
    • PIT 13:00
      17h 25m
      1 stop
      SEA 14:00
      Pittsburgh - Seattle | Fri, Nov 6 | Normal Airline
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    • Cheapest nonstop
      PIT 08:00
      5h 40m
      Direct
      SEA 10:40
      Pittsburgh - Seattle | Fri, Dec 18 | Alaska Airlines
      US$213 US$249
      14% off
      14% off
      US$249 US$213
    • PIT 08:00
      5h 40m
      Direct
      SEA 10:40
      Pittsburgh - Seattle | Thu, Dec 10 | Alaska Airlines
      US$216 US$249
      13% off
      13% off
      US$249 US$216
    • PIT 08:00
      5h 40m
      Direct
      SEA 10:40
      Pittsburgh - Seattle | Fri, Dec 18 | Alaska Airlines
      US$302 US$448
      33% off
      33% off
      US$448 US$302
    • PIT 08:00
      5h 40m
      Direct
      SEA 10:40
      Pittsburgh - Seattle | Sun, Dec 20 | Alaska Airlines
      US$304
      32% off
      US$448 US$304
    • PIT 08:08
      5h 24m
      Direct
      SEA 10:32
      Pittsburgh - Seattle | Sat, Nov 14 | Alaska Airlines
      US$307
      31% off
      US$448 US$307
    • PIT 08:05
      5h 33m
      Direct
      SEA 10:38
      Pittsburgh - Seattle | Fri, Jan 22 | Alaska Airlines
      US$313
      30% off
      US$448 US$313
    • PIT 08:00
      5h 40m
      Direct
      SEA 10:40
      Pittsburgh - Seattle | Thu, Dec 24 | Alaska Airlines
      US$313
      30% off
      US$448 US$313
    • PIT 08:00
      5h 40m
      Direct
      SEA 10:40
      Pittsburgh - Seattle | Wed, Dec 23 | Alaska Airlines
      US$313
      30% off
      US$448 US$313
    • PIT 08:08
      5h 24m
      Direct
      SEA 10:32
      Pittsburgh - Seattle | Sun, Nov 15 | Alaska Airlines
      US$316
      28% off
      US$448 US$316
    • PIT 13:00
      17h 25m
      1 stop
      SEA 14:00
      Pittsburgh - Seattle | Fri, Nov 6 | Normal Airline
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    • Cheapest nonstop
      PIT 08:00
      5h 40m
      Direct
      SEA 10:40
      Pittsburgh - Seattle | Fri, Dec 18 | Alaska Airlines
      US$302 US$458
      34% off
      34% off
      US$458 US$302
    • PIT 08:00
      5h 40m
      Direct
      SEA 10:40
      Pittsburgh - Seattle | Sun, Dec 20 | Alaska Airlines
      US$304 US$458
      34% off
      34% off
      US$458 US$304
    • PIT 08:08
      5h 24m
      Direct
      SEA 10:32
      Pittsburgh - Seattle | Sat, Nov 14 | Alaska Airlines
      US$307 US$458
      33% off
      33% off
      US$458 US$307
    • PIT 08:05
      5h 33m
      Direct
      SEA 10:38
      Pittsburgh - Seattle | Fri, Jan 22 | Alaska Airlines
      US$313
      32% off
      US$458 US$313
    • PIT 08:00
      5h 40m
      Direct
      SEA 10:40
      Pittsburgh - Seattle | Wed, Dec 23 | Alaska Airlines
      US$313
      32% off
      US$458 US$313
    • PIT 08:00
      5h 40m
      Direct
      SEA 10:40
      Pittsburgh - Seattle | Thu, Dec 24 | Alaska Airlines
      US$313
      32% off
      US$458 US$313
    • PIT 08:08
      5h 24m
      Direct
      SEA 10:32
      Pittsburgh - Seattle | Sun, Nov 15 | Alaska Airlines
      US$316
      31% off
      US$458 US$316
    • PIT 08:00
      5h 40m
      Direct
      SEA 10:40
      Pittsburgh - Seattle | Mon, Dec 14 | Alaska Airlines
      US$317
      31% off
      US$458 US$317
    • PIT 08:00
      5h 40m
      Direct
      SEA 10:40
      Pittsburgh - Seattle | Fri, Dec 11 | Alaska Airlines
      US$323
      28% off
      US$458 US$323
    • PIT 13:00
      17h 25m
      1 stop
      SEA 14:00
      Pittsburgh - Seattle | Fri, Nov 6 | Normal Airline
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    • Cheapest nonstop
      PIT 08:08
      5h 24m
      Direct
      SEA 10:32
      Pittsburgh - Seattle | Sat, Nov 7 | Alaska Airlines
      US$389 US$448
      13% off
      13% off
      US$448 US$389
    • PIT 16:48
      7h 31m
      1 stop
      SEA 21:19
      Pittsburgh - Seattle | Sat, Nov 7 | United Airlines
      US$353 US$448
      21% off
      21% off
      US$448 US$353
    • PIT 13:00
      17h 25m
      1 stop
      SEA 14:00
      Pittsburgh - Seattle | Fri, Nov 6 | Normal Airline
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    • PIT 08:08
      5h 24m
      Direct
      SEA 10:32
      Pittsburgh - Seattle | Sat, Nov 14 | Alaska Airlines
      US$307 US$448
      31% off
      31% off
      US$448 US$307
    • PIT 08:08
      5h 24m
      Direct
      SEA 10:32
      Pittsburgh - Seattle | Sun, Nov 15 | Alaska Airlines
      US$316 US$448
      28% off
      28% off
      US$448 US$316
    • PIT 08:08
      5h 24m
      Direct
      SEA 10:32
      Pittsburgh - Seattle | Sat, Nov 7 | Alaska Airlines
      US$389 US$448
      13% off
      13% off
      US$448 US$389
    • PIT 08:12
      5h 28m
      Direct
      SEA 10:40
      Pittsburgh - Seattle | Mon, Nov 23 | Alaska Airlines
      US$324
      28% off
      US$448 US$324
    • PIT 08:05
      5h 33m
      Direct
      SEA 10:38
      Pittsburgh - Seattle | Fri, Jan 22 | Alaska Airlines
      US$313
      30% off
      US$448 US$313
    • PIT 08:00
      5h 40m
      Direct
      SEA 10:40
      Pittsburgh - Seattle | Fri, Dec 18 | Alaska Airlines
      US$213
      14% off
      US$249 US$213
    • PIT 08:00
      5h 40m
      Direct
      SEA 10:40
      Pittsburgh - Seattle | Thu, Dec 10 | Alaska Airlines
      US$216
      13% off
      US$249 US$216
    • PIT 08:00
      5h 40m
      Direct
      SEA 10:40
      Pittsburgh - Seattle | Fri, Dec 18 | Alaska Airlines
      US$302
      33% off
      US$448 US$302
    • PIT 08:00
      5h 40m
      Direct
      SEA 10:40
      Pittsburgh - Seattle | Sun, Dec 20 | Alaska Airlines
      US$304
      32% off
      US$448 US$304
    • PIT 13:00
      17h 25m
      1 stop
      SEA 14:00
      Pittsburgh - Seattle | Fri, Nov 6 | Normal Airline
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

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 American Airlines (from US$139) among 5 carriers operating this route. Based on Trip.com's latest 7-day flight data.

American Airlines
From US$139
Delta Air Lines
From US$150
United Airlines
From US$178
Hahn Air
From US$210
Alaska Airlines
From US$213

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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. DL5799

    Pittsburgh International Airport

    17:46

    PIT

    1h 14m

    Direct

    19:00

    DTW

    S M - - - - -
    Search

  2. DL565

    Detroit Metropolitan Wayne County Airport

    19:55

    DTW

    5h 10m

    Direct

    22:05

    SEA

    S M T W T F S

  3. DL3711

    Pittsburgh International Airport

    19:14

    PIT

    2h 39m

    Direct

    20:53

    MSP

    S M - - - - -
    Search

  4. DL505

    Minneapolis-Saint Paul International Airport

    21:50

    MSP

    4h 3m

    Direct

    23:53

    SEA

    S M - - - - S

  5. DL5474

    Pittsburgh International Airport

    15:49

    PIT

    2h 28m

    Direct

    17:17

    MSP

    S M T W T F S
    Search

  6. DL881

    Minneapolis-Saint Paul International Airport

    18:25

    MSP

    4h 2m

    Direct

    20:27

    SEA

    S M T W T F S

  7. AA1335

    Pittsburgh International Airport

    17:44

    PIT

    1h 40m

    Direct

    19:24

    CLT

    S - - W T F S
    Search

  8. AA845

    Charlotte Douglas International Airport

    20:15

    CLT

    5h 55m

    Direct

    23:10

    SEA

    S M T W T F S

  9. AA1845

    Pittsburgh International Airport

    07:09

    PIT

    3h 25m

    Direct

    09:34

    DFW

    S M T W T F S
    Search

  10. AA717

    Dallas Fort Worth International Airport

    10:44

    DFW

    4h 31m

    Direct

    13:15

    SEA

    S M T W T F S

  11. AA2644

    Pittsburgh International Airport

    08:03

    PIT

    2h 2m

    Direct

    09:05

    ORD

    S M T W T - S
    Search

  12. AA2398

    O'Hare International Airport

    11:30

    ORD

    4h 50m

    Direct

    14:20

    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 US$126
Cheapest return ticket price US$229

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

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

    Pittsburgh International Airport to Seattle-Tacoma International Airport takes about 4 hours 50 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 1 daily flights from Pittsburgh International Airport (PIT) to Seattle-Tacoma International Airport (SEA).
  • The earliest flight from Pittsburgh International Airport to Seattle-Tacoma International Airport departs at 08:07, and the last departs at 08:07, with about 1 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • 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 US$348 in December, 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.
  • One-way flights from Pittsburgh International Airport to Seattle-Tacoma International Airport currently start from US$126, and round-trip fares start from US$229. The current lowest fare is a American Airlines flight departing on Wed, Nov 25; prices may vary depending on availability.
  • Yes. Alaska Airlines operate direct flights from Pittsburgh International Airport to Seattle-Tacoma International Airport, with an average flight time of 4 hours 46 minutes, and around 7 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 Pittsburgh International Airport to Seattle-Tacoma International Airport is US$321. Prices may vary depending on the departure date, airline, and availability.
  • Pittsburgh International Airport to Seattle-Tacoma International Airport operates around 7 weekly flights, mainly by Alaska Airlines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Pittsburgh 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 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.