Philadelphia (PHL) to Seattle / Tacoma (SEA) flight deal in economy from $273
PHLPhiladelphia International Airport
Philadelphia, United States
SEASeattle–Tacoma International Airport
Seattle / Tacoma, United States
$392 USD
-30%$273 USD
Verified about 9 hours agoAugust 2026
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Rare Availability
8% of dates checked are available within 10% of the lowest price
Monday, August 3rd, 2026
10 round-trip options
Returning
Sat, Aug 8, 2026•5 Day Trip
$567 USD
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Sun, Aug 9, 2026•6 Day Trip
$581 USD
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Mon, Aug 10, 2026•7 Day Trip
$545 USD
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Tue, Aug 11, 2026•8 Day Trip
$545 USD
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Wed, Aug 12, 2026•9 Day Trip
$447 USD
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Thu, Aug 13, 2026•10 Day Trip
$501 USD
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Fri, Aug 14, 2026•11 Day Trip
$543 USD
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Sat, Aug 15, 2026•12 Day Trip
$597 USD
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Sun, Aug 16, 2026•13 Day Trip
$547 USD
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Mon, Aug 17, 2026•14 Day Trip
$550 USD