Cheap flights from Philadelphia to Denver

One-way fares from $224 · PHL → DEN · prices found by travellers in the last 48 hours

Compare all dates Denver → Philadelphia
Cheapest fare
$224

Southwest Airlines · Tue, Jul 20

Cheapest month
July

from $224

Direct flights
Yes

Southwest Airlines

Flight time
4h 05m

2,530 km

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Cheapest month to fly from Philadelphia to Denver

Lowest one-way fare per person in each month. Choose a month to see every date.

  1. July 2027 Cheapest $224

Cheapest dates in July 2027

The lowest fares we've seen for each day, cheapest first.

Southwest Airlines
Depart12:25 Tue, Jul 20PHL → DEN 4h 05m · Direct
$224one way, per person
View deal
See every date in July 2027 →

Plan the rest of your trip to Denver

Where to stay, what to do and getting around, from our travel partners.

Where to stay

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Things to do

Things to do in DenverTours, attractions and day trips on Klook Explore →

Getting around

Airport transfer in DenverPre-book a driver to meet you at arrivals, with Kiwitaxi Book a transfer → Car hire in DenverCompare rental cars from major brands on EconomyBookings Compare cars →

About flights from Philadelphia to Denver

Philadelphia (PHL) and Denver (DEN) are about 2,530 km apart. Direct flights take around 4h 05m, and recent direct fares were with Southwest Airlines. Over the next few months, one-way fares start from $224, and July 2027 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 Philadelphia to Denver?

The cheapest one-way fare we've seen recently is $224 with Southwest Airlines, departing Tuesday, July 20, 2027.

What is the cheapest month to fly from Philadelphia to Denver?

July 2027 currently has the lowest fares, from $224 one way.

Are there direct flights from Philadelphia to Denver?

Yes. Recent direct fares were with Southwest Airlines.

How long is the flight from Philadelphia to Denver?

A direct flight takes about 4h 05m. Philadelphia and Denver are around 2,530 km apart.

Which airlines fly from Philadelphia to Denver?

Recent fares on this route were with Southwest Airlines.

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