Nonstop flights from Philadelphia to Denver

4 airlines fly this route, with up to 12 flights a day.

PHLPhiladelphia International

1,553 mi · 77 flights a week

DENDenver International

PHLDEN

When they leave

Philadelphia time

5:25a8:37pFirst departure 5:25 AM, last 8:37 PM

Five in the morning, 5:25 AM to 10:05 AM, then six in the afternoon, 12:07 PM to 4:05 PM, then three in the evening, 5:10 PM to 8:37 PM.

Every flight

Earliest first

5:25 AM→7:15 AMSouthwest AirlinesBoeing 737 MAX 8Mon, Thu, Fri
7:30 AM→9:39 AMAmerican AirlinesBoeing 737 MAX 8Mon, Tue, Wed, Thu, Fri, Sun
8:00 AM→10:05 AMUnited AirlinesBoeing 737Daily
9:37 AM→11:53 AMAmerican AirlinesBoeing 737 MAX 8Daily
10:05 AM→12:10 PMUnited AirlinesBoeing 737Daily
12:07 PM→2:18 PMAmerican AirlinesBoeing 737Mon, Thu, Fri, Sat, Sun
12:35 PM→2:25 PMSouthwest AirlinesBoeing 737Tue, Wed, Sat, Sun
12:44 PM→2:58 PMFrontier AirlinesUntil Oct 26, back Nov 20Airbus A320neoMon, Fri, Sat, Sun
1:05 PM→2:55 PMSouthwest AirlinesBoeing 737Daily
3:48 PM→5:55 PMUnited AirlinesBoeing 737 MAX 9Daily
4:05 PM→6:05 PMSouthwest AirlinesBoeing 737Mon, Thu, Fri
5:10 PM→7:10 PMSouthwest AirlinesBoeing 737 MAX 8Tue, Wed, Sat, Sun
8:10 PM→10:43 PMAmerican AirlinesBoeing 737-800Daily
8:37 PM→11:04 PMFrontier AirlinesUntil Oct 26, back Nov 20Airbus A321Mon, Tue, Wed, Thu, Fri, Sun

Schedules last checked Sep 19, 2026. Times are local.

Flying from Philadelphia to Denver

American Airlines flies most often, 3 to 4 times a day on the Boeing 737 MAX 8, Boeing 737 and Boeing 737-800. Southwest Airlines flies 3 times a day on the Boeing 737 and Boeing 737 MAX 8. United Airlines flies 3 times a day on the Boeing 737 and Boeing 737 MAX 9. Frontier Airlines flies 1 to 2 times a day on the Airbus A320neo and Airbus A321.

Flights run every day of the week, from 10 on Tuesdays, Wednesdays and Saturdays to 12 on Mondays, Fridays and Sundays. The first arrival in Denver is at 7:15 AM and the last at 11:04 PM. The flight covers 1,553 miles.

Frontier Airlines flies it until Oct 26 and is back on Nov 20.

Flying back, Denver to Philadelphia has 78 nonstop flights a week.

Return flights

Denver to PhiladelphiaView

Find the cheapest day to fly from Philadelphia to Denver.

Schedules as of Oct 9, 2026.