Pittsburgh (PIT) to Seattle / Tacoma (SEA) flight deal in economy from $170

Monday, December 21st, 2026

9 round-trip options

Returning
Sat, Dec 26, 20265 Day Trip
$442 USD
Returning
Sun, Dec 27, 20266 Day Trip
$442 USD
Returning
Mon, Dec 28, 20267 Day Trip
$437 USD
Returning
Tue, Dec 29, 20268 Day Trip
$352 USD
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Wed, Dec 30, 20269 Day Trip
$343 USD
Returning
Thu, Dec 31, 202610 Day Trip
$357 USD
Returning
Fri, Jan 1, 202711 Day Trip
$373 USD
Returning
Sun, Jan 3, 202713 Day Trip
$540 USD
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Mon, Jan 4, 202714 Day Trip
$343 USD