Seattle / Tacoma (SEA) to Philadelphia (PHL) flight deal in economy from $329

Thursday, November 19th, 2026

9 round-trip options

Returning
Tue, Nov 24, 20265 Day Trip
$329 USD
Returning
Wed, Nov 25, 20266 Day Trip
$329 USD
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Thu, Nov 26, 20267 Day Trip
$329 USD
Returning
Sat, Nov 28, 20269 Day Trip
$756 USD
Returning
Sun, Nov 29, 202610 Day Trip
$722 USD
Returning
Mon, Nov 30, 202611 Day Trip
$562 USD
Returning
Tue, Dec 1, 202612 Day Trip
$425 USD
Returning
Wed, Dec 2, 202613 Day Trip
$329 USD
Returning
Thu, Dec 3, 202614 Day Trip
$329 USD