Lowest Prices
Uncover the best deals on Denver to Washington flights by comparing fares from hundreds of airlines and agencies.
Useful information for finding best airline tickets from Denver International to Washington Dulles International on your next trip.
Cheapest One way Flight
$206
Frontier Airlines
• 2 stops
• 26h 54m
Dec 17
The cheapest one way flight from Denver to Washington (DEN-IAD) is currently $206
Fastest Flight
5h 21m
The fastest nonstop flight from Denver to Washington (DEN-IAD) takes 5h 21m
| Origin Airport | Denver International , Denver, US |
| Destination Airport | Washington Dulles International , Washington, US |
| Distance | 1452 miles |