Philadelphia to Denver flights
Round trip · Economy · Prices per person in USD
Prices updated
Buy now or wait? We're still learning this route. We have 1 day of prices so far and need about a week to say whether to book or wait.
Not ready to book? Get an email when Philadelphia → Denver drops below your price.Cheapest round trip by month
Lowest fare found per departure month| Month | Cheapest round trip |
|---|---|
| September 2026 | No fares found yet |
| October 2026 | $148 (cheapest month) |
| November 2026 | No fares found yet |
| December 2026 | No fares found yet |
| January 2027 | $203 |
Cheapest dates in the next 4 months
Round trip, per person-
Oct 30 – Nov 4 5 nights · leave Fri$148$148 Book
Frontier Airlines 1 stop · 6h 01m
Prices change often. The booking site shows the final price before you pay. Other dates? Set an alert
Plan the rest of your trip
Denver · Oct 30 – Nov 4Travel insurance · EKTA Airport transfer · Kiwitaxi
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Philadelphia to Denver: questions
How much is a flight from Philadelphia to Denver?
The cheapest round trip we have found right now is $148, leaving October 30 and returning November 4. Prices are per person, economy, in USD.
About this route
We track round-trip economy fares from Philadelphia (United States) to Denver (United States) using Travelpayouts / Aviasales data. The cheapest round trip we've found is $148, departing October 30 and returning November 4. The cheapest month to fly in our data is October, from $148. Prices are per person and were correct when found; the final price is set by the airline or booking site when you book.