Cheap flights from Pittsburgh to Tukwila from CA $132

View CA $132 flight on Thu, Dec. 4, 2025Opens in a new window

Popular airlines from Pittsburgh to Tukwila

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Cheap flights from Pittsburgh (PIT) to Tukwila (SEA)

Prices were available within the past 7 days and start at CA $132 for one-way flights and CA $267 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Sep. 27 - Sat, Oct. 4
PIT
Pittsburgh
SEA
Seattle
CA $267 Roundtrip, found 6 days ago
CA $267
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Sep. 27 from Pittsburgh to Seattle, returning Sat, Oct. 4, priced at CA $267 found 6 days ago
Delta
Tue, Aug. 26 - Sat, Aug. 30
PIT
Pittsburgh
SEA
Seattle
CA $269 Roundtrip, found 3 days ago
CA $269
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Aug. 26 from Pittsburgh to Seattle, returning Sat, Aug. 30, priced at CA $269 found 3 days ago
Delta
Sat, Sep. 27 - Sat, Oct. 4
PIT
Pittsburgh
SEA
Seattle
CA $270 Roundtrip, found 6 days ago
CA $270
Roundtrip
found 6 days ago
Select Delta flight, departing Sat, Sep. 27 from Pittsburgh to Seattle, returning Sat, Oct. 4, priced at CA $270 found 6 days ago
Delta
Tue, Aug. 26 - Sat, Aug. 30
PIT
Pittsburgh
SEA
Seattle
CA $297 Roundtrip, found 3 days ago
CA $297
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Aug. 26 from Pittsburgh to Seattle, returning Sat, Aug. 30, priced at CA $297 found 3 days ago
Alaska Airlines
Sat, Sep. 27 - Sat, Oct. 4
PIT
Pittsburgh
SEA
Seattle
CA $311 Roundtrip, found 6 days ago
CA $311
Roundtrip
found 6 days ago
Select Alaska Airlines flight, departing Sat, Sep. 27 from Pittsburgh to Seattle, returning Sat, Oct. 4, priced at CA $311 found 6 days ago
JetBlue Airways
Tue, Aug. 26 - Sat, Aug. 30
PIT
Pittsburgh
SEA
Seattle
CA $380 Roundtrip, found 3 days ago
CA $380
Roundtrip
found 3 days ago
Select JetBlue Airways flight, departing Tue, Aug. 26 from Pittsburgh to Seattle, returning Sat, Aug. 30, priced at CA $380 found 3 days ago

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

September is typically the cheapest month to fly

From CA $168 - CA $296 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.