Philadelphia International (PHL) to Denver International (DEN).
| Departure | Return | Price |
|---|---|---|
| 05/27/2026 | 06/02/2026 | $169 |
| 05/27/2026 | 06/03/2026 | $169 |
| 05/28/2026 | 06/02/2026 | $169 |
| 05/28/2026 | 06/03/2026 | $169 |
| 05/29/2026 | 06/03/2026 | $169 |
| 07/03/2026 | 07/08/2026 | $169 |
| 05/27/2026 | 06/01/2026 | $183 |
| 05/27/2026 | 06/04/2026 | $183 |
| 05/28/2026 | 06/04/2026 | $183 |
| 05/28/2026 | 06/06/2026 | $183 |
Based on current fares, May is the cheapest month to fly from Philadelphia to Denver, with average fares around $204 round trip (as low as $169).
See the full month-by-month and day-of-week price analysis
Best Time to Fly PHL → DENDeparture date prices (economy, round trip). Green = cheap, red = expensive.
The cheapest month to fly from Philadelphia to Denver is May, with average round-trip fares around $204. Fares in May start as low as $169. The most expensive month is August, averaging $234.
A nonstop flight from Philadelphia to Denver takes approximately 4h 30m.
The cheapest flight from Philadelphia to Denver currently starts at $169 round trip in economy class.
The average round-trip flight price from Philadelphia to Denver is $247 in economy class.
The distance is 1570 miles (2526 km). with a nonstop flight time of about 4h 30m. The lowest fare currently available is $169 departing in May. The average round-trip fare is $247.
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