Direct flights from Dulles to Denver
All flights from IAD to DEN non-stop. There are direct flights from Washington Dulles International (IAD), Virginia, USA to Denver International (DEN), Colorado, USA with United Airlines. 60 weekly departures are currently scheduled on this route. Departure times range from 06:30 to 22:35 depending on the schedule period. The flight distance is 1457 miles (2344 km). Flight time ranges from 3 hours and 45 minutes to 4 hours and 12 minutes.
Dulles
, USA
Flight schedule from Dulles 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 2026-07-13
Dulles to Denver scheduled departures
Select a date to see every published non-stop departure between IAD and DEN.
IAD - DEN route facts
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Distance1457 miles (2344 km)
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Flight time3 hours and 45 minutes to 4 hours and 12 minutes
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Airline United
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Airline alliancesStar Alliance
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CabinsEconomy Premium Economy Business First
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Hub airportsDEN and IAD (Secondary hub.)
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AircraftAirbus A321neo, Boeing 737-900 Passenger, Boeing 757-300 Passenger and Boeing 737MAX 9 Passenger
Route FAQ
Nearby airports that offer flights to Denver (DEN)
From Reagan National (DCA)
26 flights per week
Direct flights from Dulles to CO, USA
From Dulles to Vail
EGE Eagle Co Rgnl
From Dulles to Hayden
HDN Yampa Valley
