Philadelphia to Denver flights in January 2027 from $288 PHL, TTN → DEN
Philadelphia International Airport (PHL), Trenton-Mercer Airport (TTN) → Denver International Airport (DEN)
For departures in January 2027, the cheapest return found recently is $288 with Frontier Airlines, 8 Jan 2027 – 17 Jan 2027, found yesterday.
Return
In January 2027, the cheapest return fare on each of 7 departure dates is usually $257 to $298. Across all 10 departure dates we hold on this route, it is usually $289 to $304. Of the 2 months with enough return fares to compare, January 2027 is usually the cheapest.
Cheapest return found recently
$288
8 Jan 2027 – 17 Jan 2027 · Frontier Airlines
Philadelphia International Airport (PHL) → Denver International Airport (DEN)
out 1 stop, back 2 stops
found yesterday
Cheapest we hold, of any age
$218
7 Jan 2027 – 12 Jan 2027 · Frontier Airlines
Philadelphia International Airport (PHL) → Denver International Airport (DEN)
out 2 stops, back 1 stop
found 4 days ago
The cheapest dates in January 2027
| Dates | From | Airline | Stops | Found | |
|---|---|---|---|---|---|
| 7 Jan 2027 – 12 Jan 2027 | $218 | Frontier Airlines | out 2 stops, back 1 stop | found 4 days ago | See prices for these dates |
| 6 Jan 2027 – 13 Jan 2027 | $225 | Frontier Airlines | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 8 Jan 2027 – 17 Jan 2027 | $288 | Frontier Airlines | out 1 stop, back 2 stops | found yesterday | See prices for these dates |
| 16 Jan 2027 – 24 Jan 2027 | $292 | Frontier Airlines | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 17 Jan 2027 – 24 Jan 2027 | $295 | Frontier Airlines | out 2 stops, back 2 stops | found yesterday | See prices for these dates |
Every date we hold
7 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 6 Jan 2027 – 13 Jan 2027 | $225 | Frontier Airlines | Philadelphia International Airport (PHL) → Denver International Airport (DEN) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 7 Jan 2027 – 12 Jan 2027 | $218 | Frontier Airlines | Philadelphia International Airport (PHL) → Denver International Airport (DEN) | out 2 stops, back 1 stop | found 4 days ago | See prices for these dates |
| 8 Jan 2027 – 17 Jan 2027 | $288 | Frontier Airlines | Philadelphia International Airport (PHL) → Denver International Airport (DEN) | out 1 stop, back 2 stops | found yesterday | See prices for these dates |
| 9 Jan 2027 – 17 Jan 2027 | $300 | Frontier Airlines | Philadelphia International Airport (PHL) → Denver International Airport (DEN) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 15 Jan 2027 – 24 Jan 2027 | $309 | Frontier Airlines | Philadelphia International Airport (PHL) → Denver International Airport (DEN) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 16 Jan 2027 – 24 Jan 2027 | $292 | Frontier Airlines | Philadelphia International Airport (PHL) → Denver International Airport (DEN) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 17 Jan 2027 – 24 Jan 2027 | $295 | Frontier Airlines | Philadelphia International Airport (PHL) → Denver International Airport (DEN) | out 2 stops, back 2 stops | found yesterday | See prices for these dates |
Which month looks cheapest?
January 2027 is the cheapest month — from $218.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work