SEA to PHL from $329 in economy

AAAmerican Airlines

Round Trip•Economy

SEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

PHL

Philadelphia International Airport

Philadelphia, United States

$396 USD

-17%$329 USD

Verified 14 days ago

July 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29 30 1 2 3 4 5$448 6$448 7$433 8$385 9$448 10$448 11$395 12$448 13$448 14$385 15$395 16$458 17$458 18$499 19$500 20$458 21$395 22$385 23$420 24$430 25$405 26$486 27$458 28$378 29$367 30$383 31$378 1$405 2$450

Good Availability

48% of dates checked are available within 10% of the lowest price

Tuesday, July 21st, 2026

6 round-trip options

Returning

Mon, Jul 27, 2026•6 Day Trip

$406 USD

Google Flights

Returning

Tue, Jul 28, 2026•7 Day Trip

$395 USD

Google Flights

Returning

Thu, Jul 30, 2026•9 Day Trip

$416 USD

Google Flights

Returning

Fri, Jul 31, 2026•10 Day Trip

$416 USD

Google Flights

Returning

Sat, Aug 1, 2026•11 Day Trip

$416 USD

Google Flights

Returning

Sun, Aug 2, 2026•12 Day Trip

$406 USD

Google Flights

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

Seattle–Tacoma International Airport

Philadelphia International Airport

July 2026

Tuesday, July 21st, 2026