Cheap flights from Philadelphia to Denver
1,554 mi · 45m average nonstop
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Quick answer: Philadelphia to Denver at a glance
Cheap flights from Philadelphia (PHL) to Denver (DEN) cover 1,554 miles (2,500 km) in about 45m nonstop, with 5 airlines flying direct — a long-haul international route. Search Kayak for today's cheapest live fare. Route difficulty 5/10.
Summary computed from real OpenFlights coordinates — not an estimate. Prices update live on Kayak.
Flying from Philadelphia to Denver covers 1,554 miles (2,500 km) in approximately 0 hour 45 minutes. 5 airlines fly this route directly, making it the 2nd most competitive of 122 routes from Philadelphia. This is a long-haul international route requiring advance planning for connections and layovers.
Nonstop distance 1,554 miles. Direct carriers include AA, FL, UA, US and WN.
We don't track historical prices for this route yet. Search live fares on Kayak for today's best price across 100+ airlines and booking sites.
Airlines on this route
5 airlines fly Philadelphia → Denver. All are direct routes.
| Airline | Route type |
|---|---|
| AA | Direct |
| FL | Direct |
| UA | Direct |
| US | Direct |
| WN | Direct |
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Philadelphia to Denver — quick answers
How far is Philadelphia from Denver by plane?
The nonstop flight distance from Philadelphia (PHL) to Denver (DEN) is 1,554 miles (2,500 km), calculated as a great-circle line from published OpenFlights airport coordinates. Actual flown distance is slightly longer due to airways and winds.
How long is the flight from Philadelphia to Denver?
The average nonstop flight time from PHL to DEN is 45 minutes. Gate-to-gate time is usually 20–35 minutes longer; connecting itineraries add 1–4 hours depending on the layover.
Which airlines fly from Philadelphia to Denver?
5 airlines serve this route nonstop: AA, FL, UA, US, WN. Schedules and amenities differ by carrier — compare live frequencies and fare classes on Kayak before you book.