Cheap flights from Seattle to Southwest Pennsylvania

View AU$275 flight on Sat, 23 Aug. 2025Opens in a new window

Popular airlines from Seattle to Southwest Pennsylvania

  • Jetstar

    Jetstar

  • Qantas Airways

    Qantas Airways

  • Virgin Australia

    Virgin Australia

  • Scoot

    Scoot

  • American Airlines

    American Airlines

  • Emirates

    Emirates

  • United

    United

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Cheap Flights from Seattle (SEA) to Southwest Pennsylvania (PIT)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, 23 Aug. - Sat, 30 Aug.
SEA
Seattle
PIT
Pittsburgh
AU$425 Return, found 2 days ago
AU$425
Return
found 2 days ago
Select United flight, departing Sat, 23 Aug. from Seattle to Pittsburgh, returning Sat, 30 Aug., priced at AU$425 found 2 days ago
Delta
Sat, 23 Aug. - Sat, 30 Aug.
SEA
Seattle
PIT
Pittsburgh
AU$452 Return, found 2 days ago
AU$452
Return
found 2 days ago
Select Delta flight, departing Sat, 23 Aug. from Seattle to Pittsburgh, returning Sat, 30 Aug., priced at AU$452 found 2 days ago
United
Sat, 23 Aug. - Sat, 30 Aug.
SEA
Seattle
PIT
Pittsburgh
AU$482 Return, found 2 days ago
AU$482
Return
found 2 days ago
Select United flight, departing Sat, 23 Aug. from Seattle to Pittsburgh, returning Sat, 30 Aug., priced at AU$482 found 2 days ago
United
Sat, 23 Aug. - Sat, 30 Aug.
SEA
Seattle
PIT
Pittsburgh
AU$493 Return, found 2 days ago
AU$493
Return
found 2 days ago
Select United flight, departing Sat, 23 Aug. from Seattle to Pittsburgh, returning Sat, 30 Aug., priced at AU$493 found 2 days ago
American Airlines
Sat, 23 Aug. - Sat, 30 Aug.
SEA
Seattle
PIT
Pittsburgh
AU$588 Return, found 2 days ago
AU$588
Return
found 2 days ago
Select American Airlines flight, departing Sat, 23 Aug. from Seattle to Pittsburgh, returning Sat, 30 Aug., priced at AU$588 found 2 days ago
Alaska Airlines
Sat, 23 Aug. - Sat, 30 Aug.
SEA
Seattle
PIT
Pittsburgh
AU$596 Return, found 2 days ago
AU$596
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 23 Aug. from Seattle to Pittsburgh, returning Sat, 30 Aug., priced at AU$596 found 2 days ago

Find the cheapest month to fly from Seattle (SEA) to Pittsburgh (PIT)

September is typically the cheapest month to fly

From AU$212 - AU$471 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.