Colorado Springs (COS) to Philadelphia (PHL) flight deal from $241 USD in economy class

UAUnited Airlines

Round Trip•Economy

COS

Colorado Springs Airport

Colorado Springs, United States

PHL

Philadelphia International Airport

Philadelphia, United States

$545 USD

-56%$241 USD

Verified Mar 28, 2026 at 5:39 PM

April 2026

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

30$982 31$880 1$880 2$880 3$880 4$815 5$782 6$820 7$674 8$659 9$674 10$629 11$477 12$490 13$427 14$427 15$427 16$427 17$427 18$241 19$444 20$286 21$241 22$286 23$286 24$338 25$241 26$394 27$286 28$241 29$286 30$246 1 2 3

Extremely Rare Availability

2% of dates checked are available within 10% of the lowest price

Sunday, April 26th, 2026

7 round-trip options

Returning

Fri, May 1, 2026•5 Day Trip

$522 USD

Google Flights

Returning

Sat, May 2, 2026•6 Day Trip

$394 USD

Google Flights

Returning

Sun, May 3, 2026•7 Day Trip

$543 USD

Google Flights

Returning

Mon, May 4, 2026•8 Day Trip

$439 USD

Google Flights

Returning

Tue, May 5, 2026•9 Day Trip

$394 USD

Google Flights

Returning

Wed, May 6, 2026•10 Day Trip

$394 USD

Google Flights

Returning

Thu, May 7, 2026•11 Day Trip

$516 USD

Google Flights