January is by far the best month, wherein you can get cheapest flights for Washington to Denver. Meanwhile, is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.
Disclaimer - All the above-mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

Washington
06:00
Washington
Washington Dulles International Airport
Sun , 11 Jan 2026

Denver
10:24
Denver
Denver International Airport
Sun, 11 Jan 2026

Washington
09:00
Washington
Washington Dulles International Airport
Sun , 11 Jan 2026

Denver
15:34
Denver
Denver International Airport
Sun, 11 Jan 2026

Washington
06:00
Washington
Washington Dulles International Airport
Thu , 15 Jan 2026

Denver
10:26
Denver
Denver International Airport
Thu, 15 Jan 2026

Washington
22:32
Washington
Washington Dulles International Airport
Sun , 11 Jan 2026

Denver
00:30
Denver
Denver International Airport
Mon, 12 Jan 2026

Washington
15:45
Washington
Washington Dulles International Airport
Sat , 17 Jan 2026

Denver
17:50
Denver
Denver International Airport
Sat, 17 Jan 2026

Washington
11:34
Washington
Washington Dulles International Airport
Fri , 16 Jan 2026

Denver
17:42
Denver
Denver International Airport
Fri, 16 Jan 2026

Washington
22:32
Washington
Washington Dulles International Airport
Mon , 12 Jan 2026

Denver
00:30
Denver
Denver International Airport
Tue, 13 Jan 2026

Washington
22:32
Washington
Washington Dulles International Airport
Wed , 14 Jan 2026

Denver
00:30
Denver
Denver International Airport
Thu, 15 Jan 2026

Washington
09:45
Washington
Washington Dulles International Airport
Thu , 22 Jan 2026

Denver
18:10
Denver
Denver International Airport
Thu, 22 Jan 2026

Washington
09:45
Washington
Washington Dulles International Airport
Thu , 29 Jan 2026

Denver
18:10
Denver
Denver International Airport
Thu, 29 Jan 2026

Washington
09:45
Washington
Washington Dulles International Airport
Thu , 15 Jan 2026

Denver
18:10
Denver
Denver International Airport
Thu, 15 Jan 2026










Flying from Washington to Denver has never been easier. Whether you’re planning a short business trip, a weekend getaway, or reconnecting with family and friends, Easemytrip brings you the best deals, seamless booking, and flexible options for this popular flight route. Our platform is built to help travellers like you compare flight prices, explore direct and connecting options, and find the perfect departure time — all within a few clicks.
The air route between Washington to Denver is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between Washington Dulles International Airport (IAD) and Denver International Airport (DEN). You can expect a flight distance of approximately 2331 km, and most direct services cover it in around 04:58.
Let’s take a closer look at everything you need to know before booking your flight from Washington to Denver.
| Flight Details | Information |
|---|---|
| Route Distance | 2331 km |
| Average Flight Time | 04:58 hrs |
| Departure Airport | Washington Dulles International Airport (IAD) |
| Arrival Airport | Denver International Airport (DEN) |
| Cabin Classes Available | Economy Class, Premium Economy, Business Class, First Class |
| Direct Flights | YES |
| Common Airlines | Delta Airlines, United Airlines, Southwest, American Airlines |
The route is serviced regularly by both full-service and budget airlines, catering to all types of travellers — from those looking for no-frills budget options to those preferring business and first-class comfort. If you're flying for business, early morning weekday flights are a great choice, while leisure travellers often opt for weekend and evening departures.