Colorado Springs (COS) to Philadelphia (PHL) flight deal from $121 USD in economy class – flightdeals.net

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United Airlines

UAUnited Airlines

One Way•Economy

Colorado Springs Airport

Colorado Springs, United States

Philadelphia International Airport

Philadelphia, United States

$267 USD

-55%$121 USD

Verified Mar 28, 2026 at 5:39 PM

April 2026

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30$524 31$524 1$524 2$524 3$524 4$459 5$459 6$464 7$459 8$459 9$459 10$459 11$307 12$365 13$307 14$307 15$307 16$307 17$307 18$121 19$274 20$166 21$121 22$166 23$166 24$274 25$121 26$274 27$166 28$121 29$166 30$126 1 2 3

Rare Availability

7% of dates checked are available within 10% of the lowest price

Wednesday, April 22nd, 2026

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