Philadelphia to Denver (PHL → DEN). We are tracking 16 fares on this route.
Cheapest tracked fare $43 · typical price $73 · you save about $30 (41%)
Cheapest fares we're tracking
Airline
Departs
Stops
Price
—
2026-12-07
1 stop
$43
Frontier
2026-11-11
1 stop
$64
Frontier
2026-11-17
1 stop
$65
—
2026-11-14
1 stop
$73
—
2026-10-20
1 stop
$73
—
2026-10-27
1 stop
$73
—
2026-11-04
1 stop
$73
Frontier
2026-10-21
1 stop
$73
Frontier
2026-11-03
1 stop
$73
—
2026-10-28
1 stop
$88
—
2026-10-31
1 stop
$90
—
2026-11-18
1 stop
$103
Frontier
2026-10-24
Direct
$106
—
2026-12-05
1 stop
$108
—
2026-11-05
1 stop
$121
—
2026-12-01
1 stop
$127
Could you save more?
The airport you were going to fly from is often not the cheapest one. Compare every airport in a region against each other, or check whether a multi-day stopover beats the direct fare.
How cheap can flights from Philadelphia to Denver get?
The cheapest fare we have tracked on this route is $43, compared with a typical $73 for a trip of this distance.
Is it cheaper to fly to Denver from a different airport?
Often, yes. Fares out of secondary airports are frequently cheaper than the obvious hub, but they are the ones most likely to be missing from a normal search. Our reverse search compares every airport in a region against each other so the cheaper departure point is not hidden.
Could a stopover make Philadelphia to Denver cheaper?
Sometimes. On thin long-haul routes a two-leg trip with a multi-day stopover can beat the direct fare, and occasionally a direct fare is not sold at all. Our detour search prices those routings against the direct flight.