PHL to SEA from $329 in economy

AAAmerican Airlines

Round Trip•Economy

PHL

Philadelphia International Airport

Philadelphia, United States

SEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

$396 USD

-17%$329 USD

Verified 13 days ago

July 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29 30 1 2 3 4 5$568 6$458 7$395 8$395 9$458 10$510 11$395 12$448 13$448 14$416 15$433 16$478 17$458 18$406 19$458 20$458 21$385 22$385 23$478 24$468 25$385 26$396 27$396 28$385 29$395 30$406 31$406 1$416 2$396

Good Availability

46% of dates checked are available within 10% of the lowest price

Sunday, July 12th, 2026

8 round-trip options

Returning

Fri, Jul 17, 2026•5 Day Trip

$627 USD

Google Flights

Returning

Sat, Jul 18, 2026•6 Day Trip

$562 USD

Google Flights

Returning

Sun, Jul 19, 2026•7 Day Trip

$563 USD

Google Flights

Returning

Mon, Jul 20, 2026•8 Day Trip

$511 USD

Google Flights

Returning

Tue, Jul 21, 2026•9 Day Trip

$458 USD

Google Flights

Returning

Wed, Jul 22, 2026•10 Day Trip

$448 USD

Google Flights

Returning

Sat, Jul 25, 2026•13 Day Trip

$516 USD

Google Flights

Returning

Sun, Jul 26, 2026•14 Day Trip

$577 USD

Google Flights

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

Philadelphia International Airport

Seattle–Tacoma International Airport

July 2026

Sunday, July 12th, 2026