Flights from Pittsburgh to Denver

Our cheapest offers for flights from Pittsburgh to Denver

Here you can compare cheap flights from Pittsburgh (PIT) to Denver (DEN) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Denver. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Best option
Pittsburgh
Denver
Outbound
10/18/25
direct
UA2028
03h 29min
Return
11/17/25
1 Stopover (ORD)
UA0377, UA1285
11h 24min
United Airlines ?
$355
Pittsburgh
Denver
Pay attention to transfer at connecting flight
Outbound
10/18/25
2 Stopovers (PGD, TYS)
G41142, G43060, G41401
25h 04min
Return
11/17/25
3 Stopovers (MSP, BNA, FLL)
SY0654, SY0633, NK0445, NK0228
34h 26min
Allegiant Air
$390
Pittsburgh
Denver
Outbound
10/18/25
direct
UA2028
03h 29min
Return
11/17/25
direct
UA1211
03h 02min
United Airlines ?
$874
Pittsburgh
Denver
Outbound
10/18/25
1 Stopover (ORD)
AA4457, AA2363
09h 56min
Return
11/17/25
1 Stopover (ORD)
AA2762, AA3975
18h 07min
American Airlines ?
$436
Pittsburgh
Denver
Outbound
10/18/25
1 Stopover (PHL)
AA3248, AA3158
06h 19min
Return
11/17/25
1 Stopover (PHL)
AA1313, AA4402
07h 58min
American Airlines ?
$545
Pittsburgh
Denver
Outbound
10/18/25
2 Stopovers (ORD, SEA)
AS6600, AS0587, AS0620
13h 51min
Return
11/17/25
1 Stopover (SEA)
AS0643, AS0412
09h 10min
Alaska Airlines
$553
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Pittsburgh to Denver

Favorite airline: Frontier Airlines
81 % of flights booked on the route from Pittsburgh to Denver are booked with Frontier Airlines, Sun Country Airlines and United Airlines.
Frontier Airlines
31 %
Sun Country Airlines
25 %
United Airlines
25 %
Direct flights are the cheapest connection
Direct flights on this route are $119.00 cheaper on average than flights with a stopover.
non stop flight
1 stop
2 stops
03h 28min
05h 39min
18h 32min
$147
$266
$2,215
The favorite connection is non-stop
Non-stop flights are especially popular on this route. 60 % of travelers will book a direct flight.
Route
bookings
Direct flights
03h 28min, from $147
60 %
1 stopover Minneapolis - St. Paul International Airport, MN
06h 19min, from $511
33 %
1 stopover Detroit Metropolitan Wayne County Airport, MI
05h 39min, from $266
7 %

Important flight information

Flight information: Pittsburgh - Denver

Roundtrip from $354.72
Flight duration min. 03:36 / max. 08:00
Return flight duration min. 02:50/ max. 05:55
Distance 2073 km
Flights per week 34
Departure airport Airport Pittsburgh International Airport, PA (PIT)
Arrival airport Airport Denver International Airport, CO (DEN)
Destination country Flights to United States
Alternative routes to United States
Alternative flights to Denver
Flight destinations with a similar price
Flight destinations with a similar price