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Cheap flights from Pittsburgh (PIT) to Denver (DEN)

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1 Adults (11+)
0 Children (2~11)
0 Infants (0~2)
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How to find the cheapest flight from Pittsburgh (PIT) to Denver (DEN)

How to find the cheapest flight from Pittsburgh (PIT) to Denver (DEN)
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How to find the cheapest flight from Pittsburgh (PIT) to Denver (DEN)
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How to find the cheapest flight from Pittsburgh (PIT) to Denver (DEN)
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Cheap flights from Pittsburgh to Denver in December 2025 , January 2026

22 Dec - 26 Jan $ 305.00
PIT
Pittsburgh
Allegiant Air
DIRECT
DEN
Denver
DEN
Denver
Allegiant Air
1 STOPS
PIT
Pittsburgh
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20 Dec - 06 Jan $ 350.00
PIT
Pittsburgh
Alaska Airlines
1 STOPS
DEN
Denver
DEN
Denver
Alaska Airlines
1 STOPS
PIT
Pittsburgh
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22 Dec - 04 Jan $ 923.00
PIT
Pittsburgh
Alaska Airlines
DIRECT
DEN
Denver
DEN
Denver
Alaska Airlines
1 STOPS
PIT
Pittsburgh
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Last minute flights from Pittsburgh to Denver

22 Dec - 01 Jan $ 441.00
PIT
Pittsburgh
Spirit Airlines
DIRECT
DEN
Denver
DEN
Denver
Spirit Airlines
2 STOPS
PIT
Pittsburgh
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20 Dec - 31 Dec $ 607.00
PIT
Pittsburgh
Alaska Airlines
1 STOPS
DEN
Denver
DEN
Denver
Alaska Airlines
1 STOPS
PIT
Pittsburgh
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17 Dec - 31 Dec $ 867.00
PIT
Pittsburgh
United Airlines
DIRECT
DEN
Denver
DEN
Denver
United Airlines
DIRECT
PIT
Pittsburgh
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One-way flights to Denver from Pittsburgh

3:09 PM - 8:36 PM
Frontier Airlines
1 Stops
9h 50m
PIT - DEN
$ 181
Kiwi
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5:07 PM - 5:07 PM
Frontier Airlines
0 Stops
3h 36m
PIT - DEN
$ 198
Kiwi
Pick dates
5:07 PM - 5:07 PM
Frontier Airlines
0 Stops
3h 36m
PIT - DEN
$ 312
Kiwi
Pick dates

How to find the cheapest flight from Pittsburgh (PIT) to Denver (DEN)

Related info for your journey
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How to find the cheapest flight from Pittsburgh (PIT) to Denver (DEN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.
How to find the cheapest flight from Pittsburgh (PIT) to Denver (DEN)
Some placeholder content for the first accordion panel. This panel is shown by default, thanks to the .show class.