Direct flights from Denver to Philadelphia DEN → PHL

American Airlines, Frontier Airlines, Southwest Airlines and United Airlines fly nonstop from Denver (DEN) to Philadelphia (PHL), several times daily. The flight takes about 3h 42m and covers 1,553 miles (2,500 km). Round-trip fares typically run around $388. Arrivals run on time 80.3% at DEN and 78.0% at PHL — BTS data for the last three months, counting arrivals within 15 minutes of schedule. Fares last checked 6 August 2026.

60-day flexibility overview based on 8 recent fares across the next 60 days

Cheapest
$332
Typical
$388
Most expensive
$425

What flexibility is worth here

How long you stay changes it too

  • 1–5 nights $388
  • 6–9 nights $343
  • 17+ nights $367

Staying 6–9 nights typically costs $45 less than 1–5 nights.

Most people pick dates first and see the price second. We watch every date combination on this route and tell you when a good one gets cheap. Watch DEN → PHL →

Prices last updated 24 days ago. Fares change frequently — check the airline for current pricing.

🔔 Watch DEN → PHL

We re-run this search daily and email you the moment the price drops below typical.

Free · checked daily · one-click unsubscribe

American Airlines AA Frontier Airlines F9 United Airlines UA Southwest Airlines WN

Departure Schedule typical week

Typical weekly schedule · 85 flights per week (~12 per day) · Updated 55d ago

American Airlines
29 flights per week (~4 per day)
Daily
08:41
Sun, Mon, Tue, Wed, Thu, Fri
12:16 14:11
Sun, Thu, Fri, Sat
12:49
Sun, Mon, Wed, Thu, Fri, Sat
23:55
Frontier Airlines
14 flights per week (~2 per day)
Daily
06:05 23:59
United Airlines
22 flights per week (~3 per day)
Daily
09:35 17:54 23:59
Sat
13:25
Southwest Airlines
20 flights per week (~3 per day)
Sat
10:15
Sun, Mon, Tue, Wed, Thu, Fri
10:30
Tue, Wed
12:25
Mon, Thu, Fri, Sat
14:05
Mon, Tue, Wed, Thu, Fri, Sat
19:05
Sun
19:55

More nonstops from Denver

DEN → SLC Salt Lake City 7 airlines DEN → ORD Chicago 6 airlines DEN → SEA Seattle 6 airlines DEN → CVG Cincinnati 5 airlines DEN → PHX Phoenix 5 airlines DEN → ATL Atlanta 4 airlines DEN → ICT Wichita 4 airlines DEN → IND Indianapolis 4 airlines

Frequently asked questions

Is there a direct flight from Denver to Philadelphia?

Yes, American Airlines, Frontier Airlines and 2 more airlines operate nonstop flights from Denver (DEN) to Philadelphia (PHL).

Which airlines fly direct from Denver to Philadelphia?

American Airlines, Frontier Airlines, Southwest Airlines, United Airlines operate nonstop flights from Denver to Philadelphia.

How long is the flight from Denver to Philadelphia?

The nonstop flight from Denver to Philadelphia takes ~3h 42m (approximately 2500 km).

How often do direct flights operate from Denver to Philadelphia?

Nonstop flights from Denver to Philadelphia operate multiple daily — 85 flights per week (~12 per day).

What is the on-time performance for flights from Denver to Philadelphia?

Arrivals run on time 80.3% at DEN and 78.0% at PHL — BTS data for the last three months, counting arrivals within 15 minutes of schedule.

What days of the week are there direct flights from Denver to Philadelphia?

Direct flights from Denver to Philadelphia operate every day of the week. American Airlines flies daily, Frontier Airlines flies daily, United Airlines flies daily, and Southwest Airlines flies daily.

How much is a round-trip flight from Denver to Philadelphia?

Round-trip flights from Denver (DEN) to Philadelphia (PHL) start at $332, with a typical fare around $388. Based on 8 recent fare combinations.

Does trip length change the round-trip fare from Denver to Philadelphia?

Typical round-trip fares from Denver (DEN) to Philadelphia (PHL) by trip length: a short trip (1–5 nights) about $388, a week away (6–9 nights) about $343, and a longer stay (17+ nights) about $367. Medians from 8 recent fare combinations.

Explore More

DEN All direct flights from Denver PHL All direct flights from Philadelphia PHL → DEN Return: Philadelphia to Denver

Scout — our search agent — hunts nonstop fares from Denver every night and pings you when one's worth booking.

Watch it work →