Cheap Flights from Philadelphia to Denver
No deal from Philadelphia to Denver has cleared our price bar yet. What we have seen on the route is below.
Across 3 months of observations from Philadelphia to Denver, the lowest round-trip fare we recorded was $108, in August. The typical fare was $191. August was the cheapest month we saw and October the dearest.
The most recent price we saw on this route was $250 on Frontier, seen Oct 17. It is an unverified observation and may have changed.
See every deal <a href="/from/philadelphia">from Philadelphia</a>, <a href="/to/denver">to Denver</a>, or the return direction <a href="/from/denver/to/philadelphia">Denver to Philadelphia</a>.
Latest price we saw: Philadelphia to Denver
The most recent round-trip fare our sweep found on this route. It is not verified and may have changed since the date shown.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| Philadelphia (PHL) to Denver (DEN) | $250 | 8.0¢ | Dec 3 – Dec 9 | Frontier | Oct 17 | Check price |
Price history: Philadelphia to Denver
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $148 | $187 | 104 |
| Sep 2026 | $120 | $179 | 142 |
| Aug 2026 | $108 | $207 | 246 |
Frequently asked questions
How many flight deals from Philadelphia to Denver are on Sparkflights right now?
There are 0 verified deals from Philadelphia to Denver on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Philadelphia to Denver?
The lowest fare we've recorded from Philadelphia to Denver is $108, based on 492 price observations over 3 months.
How much does a flight from Philadelphia to Denver cost?
The typical round-trip fare we observed from Philadelphia to Denver is $191, against a recorded low of $108. These are observations, not quotes.
When is the cheapest month to fly Philadelphia to Denver?
August was the cheapest month we observed from Philadelphia to Denver and October the dearest, over 3 months of data.
What is the current price from Philadelphia to Denver?
The most recent fare our sweep saw from Philadelphia to Denver is $250, on Oct 17. It is an unverified observation rather than a verified deal, so check it before booking.