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

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United Airlines

UAUnited Airlines

One Way•Economy

Philadelphia International Airport

Philadelphia, United States

Seattle–Tacoma International Airport

Seattle / Tacoma, United States

$210 USD

-37%$133 USD

Verified about 13 hours ago

September 2026

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31$169 1$133 2$133 3$200 4$201 5$133 6$169 7$182 8$133 9$137 10$175 11$182 12$137 13$200 14$175 15$137 16$137 17$182 18$182 19$137 20$201 21$175 22$137 23$137 24$175 25$175 26$137 27$200 28$175 29$137 30$137 1$175 2$175 3$137 4$182

Limited Availability

13% of dates checked are available within 10% of the lowest price

Tuesday, September 22nd, 2026

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