Direct flights from Raleigh/Durham to Denver
All flights from RDU to DEN non-stop. There are direct flights from Raleigh–Durham Airport (RDU), North Carolina, USA to Denver International (DEN), Colorado, USA with United Airlines, Southwest Airlines and Frontier Airlines. 31 weekly departures are currently scheduled on this route. Departure times range from 05:00 to 21:10 depending on the schedule period. The flight distance is 1441 miles (2319 km). Flight time ranges from 3 hours and 35 minutes to 4 hours and 12 minutes.
Raleigh/Durham
, USA
Airlines with non-stop routes:
United Airlines
Southwest Airlines
Frontier Airlines
Flight schedule from Raleigh/Durham to Denver with United Airlines
This is a weekly direct flight schedule for United Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2026-09-28
Flight schedule from Raleigh/Durham to Denver with Southwest Airlines
This is a weekly direct flight schedule for Southwest Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2026-09-28
Flight schedule from Raleigh/Durham to Denver with Frontier Airlines
This is a weekly direct flight schedule for Frontier Airlines. Use the arrows or click on the date to change week. Click on any flight departure time to show more information and check availability.
Flight
The timetable & schedule information was updated at 2026-09-28
Raleigh/Durham to Denver scheduled departures
Select a date to see every published non-stop departure between RDU and DEN.
RDU - DEN route facts
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Distance1441 miles (2319 km)
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Flight time3 hours and 35 minutes to 4 hours and 12 minutes
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Airlines United Southwest Frontier
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Airline alliancesStar Alliance Low-cost carrier
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CabinsEconomy Business First
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Hub airportsUnited Airlines: DEN
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Departure terminalsUnited Airlines: Terminal 2Southwest Airlines: Terminal 1Frontier Airlines: Terminal 2
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AircraftUnited Airlines: Boeing 737-800 Passenger, Boeing 737MAX 8 Passenger, Boeing 737MAX 9 Passenger and Boeing 737-900 PassengerSouthwest Airlines: Boeing 737MAX 8 Passenger, Boeing 737-800 (winglets) Passenger/BBJ2 and Boeing 737-700 Passenger (Scimitar Winglets)Frontier Airlines: Airbus A321, Airbus A321neo, Airbus A320neo and Airbus A320
