Philadelphia to Denver

PHLDEN

Fly from Philadelphia to Denver starting at USD 80 with Frontier Airlines.Best fare available on Sep 22, 2026.Limited seats. Better plans. Book before it's gone.

Philadelphia to Denver cheapest flights this week

11 Sept
Frontier Airlines
17:32PHL
10:04DEN
1 StopUSD 90VIEW DEAL
15 Sept
Frontier Airlines
08:41PHL
23:03DEN
1 StopUSD 82VIEW DEAL
22 Sept
Frontier Airlines
17:32PHL
10:04DEN
1 StopUSD 80VIEW DEAL
24 Sept
Frontier Airlines
17:45PHL
09:37DEN
1 StopUSD 109VIEW DEAL
26 Sept
Frontier Airlines
15:35PHL
00:08DEN
1 StopUSD 95VIEW DEAL
1 Oct
Frontier Airlines
06:00PHL
13:59DEN
1 StopUSD 96VIEW DEAL
26 Nov
United Airlines
07:45PHL
12:05DEN
DirectUSD 135VIEW DEAL
27 Nov
Southwest Airlines
19:25PHL
01:10DEN
1 StopUSD 207VIEW DEAL
11 Mar
United Airlines
06:10PHL
12:30DEN
1 StopUSD 225VIEW DEAL

Philadelphia to Denver monthly flight fare trend

Sep
from USD 80
Oct
from USD 96
Nov
from USD 135
Dec
No flights
Jan
No flights
Feb
No flights

Airport Details

Origin

Philadelphia

Philadelphia International Airport (PHL)

Philadelphia, PHL
Zone

New York

Elev

36 ft

Destination

Denver

Denver International Airport (DEN)

Denver, DEN
Zone

Denver

Elev

5431 ft

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