⚡ Fare recorded April 25, 2026 · Prices change daily

Denver to Philadelphia flights

Denver (DEN) to Philadelphia (PHL): 1,554 miles (2,501 km) great-circle, about 3h 35m nonstop by our estimate. Cheapest fare observed: $150 round-trip on Frontier, with 1 stop, departing May 14, 2026.

F9FrontierF92440
Depart
DEN
Denver, USA
07:00
2026-05-14
✈
Arrive
PHL
Philadelphia, United States
Returns 20:35
2026-05-16
Stops
1 stop
Distance
1,554 mi
Est. nonstop time
3h 35m
Trip type
Round-trip
$150
Round-trip · per person
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About this flight

When did the cheapest Denver to Philadelphia fare fly?

$150 round-trip, Frontier F92440, departing 2026-05-14 at 07:00, returning 2026-05-16. The recorded itinerary left on a Thursday, returning on a Saturday 2 nights later; the fare was observed 19 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.

Route facts

How far is Denver from Philadelphia?

  • Distance: 1,554 miles (2,501 km) great-circle, heading east.
  • Estimated nonstop flight time: about 3h 35m.
  • Departure airport: Denver International Airport (DEN), Denver, United States, UTC-6 on May 14, 2026.
  • Arrival: Philadelphia International Airport (PHL), United States, UTC-4 on May 14, 2026.
  • Time difference: Philadelphia is 2 hours ahead of Denver on the recorded date.
  • Route type: domestic, within United States.
  • Arrival airport elevation: 36 ft.
  • Recorded itinerary: Frontier F92440, 1 stop, round-trip, 2 days between departure and return.
Fare comparison

How does the Denver to Philadelphia fare compare with other routes from DEN?

At $150, it ranked 6th of the 30 round-trip fares we recorded from DEN (median $204). That is 9.7 cents per great-circle mile (round-trip price over one-way distance), below the DEN median of 16.1 cents across 30 round-trip routes.

Routes from DEN of similar length: Orlando (1,539 mi) at $193 and Tampa (1,505 mi) at $183.

Frontier had the cheapest fare on 19 of 30 DEN routes. It is the 11th longest of the 30 routes we track from DEN.

Other ways in

What did other cities pay to fly to Philadelphia?

Of 13 departure airports with a fare to Philadelphia, Denver (DEN) ranked 7th at $150. Lowest: $69 from Tampa (TPA); highest: $413 from Punta Cana (PUJ); 5 nonstop. Cheapest-fare airlines (routes): Frontier (10), Southwest (1), Spirit (1) and Sun Country (1).

The reverse, Philadelphia (PHL) to Denver (DEN), was $216 round-trip on Frontier, 1 stop, departing July 10, 2026. Philadelphia to Denver flights.

Sources

Where do these numbers come from?

Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/Denver, America/New_York; flight time is our estimate.

FAQ

Denver to Philadelphia flight questions

How far is Denver from Philadelphia by plane?

+
Denver is about 1,554 miles (2,501 km) from Philadelphia on a great-circle line from Denver International Airport (DEN) to Philadelphia International Airport (PHL), heading east. It is the 11th longest of the 30 routes we track from DEN. The recorded itinerary had 1 stop, so the distance flown was longer.

How long is the flight from Denver to Philadelphia?

+
About 3h 35m nonstop by our estimate for 1,554 miles (500 mph cruise plus 30 minutes, not a timetable). The recorded Frontier fare was with 1 stop. 13 airports in our feed had a fare to Philadelphia; this one ranked 7th, and 5 of the 13 were nonstop.

What is the time difference between Denver and Philadelphia?

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On May 14, 2026, Denver was on UTC-6 (America/Denver) and Philadelphia on UTC-4 (America/New_York), so Philadelphia was 2 hours ahead of Denver: noon in Denver was 14:00 in Philadelphia. Both zones shift for daylight saving together, so the gap stays the same in January and July.

How much is a flight from Denver to Philadelphia?

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As observed on April 25, 2026: $150 per person round-trip on Frontier flight F92440, departing May 14, 2026, returning May 16, 2026, with 1 stop. At $150, it ranked 6th of the 30 round-trip fares we recorded from DEN (median $204). That is 9.7 cents per great-circle mile (round-trip price over one-way distance), below the DEN median of 16.1 cents across 30 round-trip routes. Prices change daily, so check the live fare.

Is there a nonstop flight from Denver to Philadelphia?

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The cheapest recorded fare had 1 stop; our feed keeps only the cheapest fare per route, so a pricier nonstop may exist. Into Philadelphia, 5 of the 13 recorded fares were nonstop. From DEN, 11 of 30 were. The reverse, Philadelphia (PHL) to Denver (DEN), was $216 round-trip on Frontier, 1 stop, departing July 10, 2026.

Which airports serve flights from Denver to Philadelphia?

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It departs Denver International Airport (DEN) in Denver, United States, and arrives at Philadelphia International Airport (PHL) in Philadelphia, United States. A domestic United States flight. Routes from DEN of similar length: Orlando (1,539 mi) at $193 and Tampa (1,505 mi) at $183.

Where else near Philadelphia can you fly from Denver?

New York (NYC) $231Boston (BOS) $243Raleigh-Durham (RDU) $173Charlotte (CLT) $214Louisville (SDF) $328Chicago (CHI) $173All flights from Denver →

Other cities with flights to Philadelphia

From Tampa (TPA) $69From Orlando (MCO) $94From Los Angeles (LAX) $121From Chicago (ORD) $121From Atlanta (ATL) $129From Chicago (MDW) $141

Ready to fly?

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