Cheap Flights from Denver to Philadelphia
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The latest fare from Denver to Philadelphia: $165 round trip, Jan 4 – Jan 12, seen Nov 5. Prices by month are below.
Across 5 months of observations from Denver to Philadelphia, the lowest round-trip economy fare we recorded was $107, in September. The typical economy fare was $222. September was the cheapest month we saw and July the dearest.
The most recent economy price we saw on this route was $165 on Frontier, seen Nov 5.
See every deal from Denver, to Philadelphia, or the return direction Philadelphia to Denver.
Latest economy price we saw: Denver to Philadelphia
The most recent economy round-trip fare we saw on this route.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| Denver (DEN) to Philadelphia (PHL) | $165 | 5.3¢ | Jan 4 – Jan 12 | Frontier | Nov 5 | Check price |
Economy price history: Denver to Philadelphia
The lowest fares we saw each month.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Nov 2026 | $165 | $183 | 6 |
| Oct 2026 | $145 | $286 | 181 |
| Sep 2026 | $107 | $236 | 89 |
| Aug 2026 | $108 | $216 | 109 |
| Jul 2026 | $188 | $188 | 1 |
Frequently asked questions
How many flight deals from Denver to Philadelphia are on Sparkflights right now?
There are 0 deals from Denver to Philadelphia on the board right now.
What is the lowest price ever seen from Denver to Philadelphia?
The lowest economy fare we've recorded from Denver to Philadelphia is $107, based on 386 price observations over 5 months.
How much does a flight from Denver to Philadelphia cost?
The typical round-trip economy fare we observed from Denver to Philadelphia is $222, against a recorded low of $107. These are observations, not quotes.
When is the cheapest month to fly Denver to Philadelphia?
For economy fares from Denver to Philadelphia, September was the cheapest month we observed and July the dearest, over 5 months of data.
What is the current price from Denver to Philadelphia?
The most recent economy fare we saw from Denver to Philadelphia is $165, on Nov 5.