SEA to PHL from $133 in economy – flightdeals.net

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United Airlines

UAUnited Airlines

One Way•Economy

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

Philadelphia International Airport

Philadelphia, United States

$206 USD

-35%$133 USD

Verified about 11 hours ago

July 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29$182 30$133 1$206 2$219 3$219 4$320 5$374 6$308 7$215 8$133 9$164 10$206 11$210 12$374 13$242 14$138 15$138 16$169 17$347 18$308 19$375 20$253 21$217 22$206 23$242 24$245 25$308 26$374 27$302 28$212 29$226 30$242 31$317 1$244 2$322

Limited Availability

11% of dates checked are available within 10% of the lowest price

Wednesday, July 8th, 2026

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