Direct flights from Denver to Dulles
All flights from DEN to IAD non-stop. There are direct flights from Denver International (DEN), Colorado, USA to Washington Dulles International (IAD), Virginia, USA with United Airlines. 53 weekly departures are currently scheduled on this route. Departure times range from 06:00 to 23:59 depending on the schedule period. The flight distance is 1457 miles (2344 km). Flight time ranges from 3 hours and 13 minutes to 3 hours and 30 minutes.
Denver
, USA
Flight schedule from Denver to Dulles 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 2026-10-05
Denver to Dulles scheduled departures
Select a date to see every published non-stop departure between DEN and IAD.
DEN - IAD route facts
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Distance1457 miles (2344 km)
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Flight time3 hours and 13 minutes to 3 hours and 30 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, Boeing 737MAX 9 Passenger, Boeing 737-800 Passenger and Boeing 777
Route FAQ
Direct flights from Denver to VA, USA
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