Airlines with flights from Denver to Pittsburgh
There are four airlines with scheduled flights between DEN and PIT. Both Southwest and United operates non-stop flights from Denver International to Pittsburgh Airport and the flight time is 2 hours and 55 minutes.
Choose airline
Schedules
Non-stop with Southwest Airlines
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Total flight time: 2 hours and 55 minutes
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Low-cost airline
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Denver is a Southwest Airlines focus city (Operating base).
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20 flights per week
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Boeing 737MAX 8 PassengerBoeing 737-800 (winglets) Passenger/BBJ2Boeing 737-700 Passenger (Scimitar Winglets)
Flight
The timetable & schedule information was updated at 2026-04-21
Non-stop with United Airlines
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Total flight time: 3 hours and 7 minutes
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Denver is a United Airlines hub.
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13 flights per week
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Boeing 737-900 PassengerAirbus A319
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Business and first class available
Flight
The timetable & schedule information was updated at 2026-04-21
Via Saint Louis with Southwest Airlines
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Total flight time: 4h 15m - 6h 50m.
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Low-cost airline
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Denver is a Southwest Airlines focus city (Operating base).
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46 flights per week
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Boeing 737MAX 8 PassengerBoeing 737-800 (winglets) Passenger/BBJ2Boeing 737-700 Passenger (Scimitar Winglets)
Flight
WN3971
WN2525
WN383
WN3972
The timetable & schedule information was updated at 2026-04-21
Via Chicago with Southwest Airlines
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Total flight time: 4h 20m - 8h 10m.
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Low-cost airline
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Denver is a Southwest Airlines focus city (Operating base).
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104 flights per week
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Boeing 737MAX 8 PassengerBoeing 737-800 (winglets) Passenger/BBJ2Boeing 737-700 Passenger (Scimitar Winglets)
Flight
WN2866
WN2866
WN2866
WN4211
WN4211
WN3033
WN4211
WN4211
WN4211
WN4211
WN4211
WN4211
WN4211
WN4211
WN4211
WN4211
The timetable & schedule information was updated at 2026-04-21
Via Nashville with Southwest Airlines
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Total flight time: 4h 35m - 9h 40m.
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Low-cost airline
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Denver is a Southwest Airlines focus city (Operating base).
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165 flights per week
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Boeing 737MAX 8 PassengerBoeing 737-800 (winglets) Passenger/BBJ2Boeing 737-700 Passenger (Scimitar Winglets)
Flight
WN1489
WN1489
WN1489
WN4740
WN1850
WN3237
WN3408
WN4135
WN1850
WN646
WN4135
WN646
WN4135
WN646
WN3408
WN3408
WN646
WN4135
WN3408
WN646
WN4135
The timetable & schedule information was updated at 2026-04-21
Via Minneapolis with Delta Air Lines
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Total flight time: 4h 37m - 6h 58m.
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Sky Team Alliance
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69 flights per week
Flight
DL4971
DL5413
DL3075
The timetable & schedule information was updated at 2026-04-21

There are four airlines with scheduled flights between DEN and PIT. Both Southwest and United operates non-stop flights from Denver International to Pittsburgh Airport and the flight time is 2 hours and 55 minutes.
Via Chicago with American Airlines