Frontier AirlinesDepart10:58
Sat, Nov 7DEN → PHL
4h 52m · 1 stop
$194one way, per person
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- Cheapest fare
- $194
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 4h 52m
Frontier Airlines · Sat, Nov 7
from $194
Usually 1+ stop
2,530 km
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Cheapest month to fly from Denver to Philadelphia
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
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About flights from Denver to Philadelphia
Denver (DEN) and Philadelphia (PHL) are about 2,530 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 4h 52m. Over the next few months, one-way fares start from $194, and November 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Denver to Philadelphia?
The cheapest one-way fare we've seen recently is $194 with Frontier Airlines, departing Saturday, November 7, 2026.
What is the cheapest month to fly from Denver to Philadelphia?
November 2026 currently has the lowest fares, from $194 one way.
Are there direct flights from Denver to Philadelphia?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Denver to Philadelphia?
The quickest journey we've seen takes about 4h 52m. Denver and Philadelphia are around 2,530 km apart.
Which airlines fly from Denver to Philadelphia?
Recent fares on this route were with Frontier Airlines.
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