$146 Find Cheap Flights from Denver to Washington Dulles Airport - Compare and Save

These are the earliest and latest flight times available from Denver to Washington, D.C. Dulles Intl Airport:

• Earliest: departs at 6:00 am and lands at 9:22 am
• Latest: departs at 11:59 pm and lands at 3:21 am.

The flight takes about 3h 22m.

Two cabin classes are available on flights from Denver to Washington, D.C. Dulles Intl Airport:

• Economy Class
• First Class

A nonstop flight from Denver to Washington, D.C. Dulles Intl Airport takes 3h 22m, covering 1,448 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

Round-trip flights from Denver to Washington, D.C. Dulles Intl Airport range from $341 to $582, with an average of $447 over the past 12 months. Anything below $341 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 42% above the $447 route average. Book 26 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $306 round-trip via Atlanta Hartsfield-Jackson (ATL), compared to $458 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$80 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Airbus A321neo family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Boeing 737-900 variants.

Morning is the busiest departure period on Denver to Washington, D.C. Dulles Intl Airport flights, with 38% of flights leaving in that window. Afternoon departures account for 38%, evening flights for 12%, and night flights for 12%.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $267 to $1,853. That means the highest observed fare was about 7x higher than the lowest one.

JetBlue is the only airline on the Denver to Washington, D.C. Dulles Intl Airport route offering in-flight Wi-Fi. Pricing depends on fare class.

One-way fares from Denver to Washington, D.C. Dulles Intl Airport are currently lower than usual. Average one-way flight prices are about $173, which is 38% below the typical average for this route.

Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include:

• Dollar
• Hertz
• Budget
• Sixt
• Thrifty

Flights from Denver to Washington, D.C. Dulles Intl Airport usually depart from Denver Intl (DEN) and arrive at Washington, D.C. Dulles Intl (IAD).

One-stop flights from Denver to Washington, D.C. Dulles Intl Airport most commonly connect through:

• Atlanta Hartsfield-Jackson (ATL) - 69% of one-stop connections
• Dallas/Fort Worth (DFW) - 8% of one-stop connections
• Orlando (MCO) - 8% of one-stop connections
• Tampa (TPA) - 6% of one-stop connections

Yes. Flexible dates can save you up to 35% on flights from Denver to Washington, D.C. Dulles Intl Airport. Thursday is the cheapest departure day at $397 round-trip on average, while Monday is the most expensive at $606, a difference of $209.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Only United Airlines operates flights between Denver and Washington, D.C. Dulles Intl Airport.

Flying via Charlotte Douglas (CLT) gives the shortest average 1-stop total travel time at 6h 41m, compared with 8h 13m via Dallas/Fort Worth (DFW) and 8h 13m via Orlando (MCO).

Washington, D.C. Dulles Intl Airport is 2 hours ahead of Denver (Eastern Time vs Mountain Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.

Among airlines operating Denver to Washington, D.C. Dulles Intl Airport flights:

• United Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in Economy Class
• JetBlue: a cabin bag in Economy Class class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

All passengers with limited mobility can comfortably access Denver International Airport (DEN). They have made certain that everyone has an excellent travel experience. DEN, in collaboration with the Hidden Disabilities Sunflower organization, provide people with disabilities with a colored lanyard with sunflowers to show that they may require special assistance in their travel. In addition, elevators and ramps are installed in the airport's parking lots to improve accessibility.

You can stay at the Hilton Washington Dulles Airport, which offers excellent services and amenities such as a pool and a fitness center. The hotel is strategically located near the airport and provides complimentary airport shuttle services. Other options include Hyatt Regency Dulles, Hyatt Place Herndon, and Courtyard by Marriott Dulles Airport Herndon.

Several airlines offer direct flights from Denver. However, you can catch a connecting flight on this route which are considerably cheaper. These flights have one or two layover commonly occurring at George Bush Intercontinental Airport and O’Hare International Airport.

The airport has designated animal relief areas throughout the airport to ensure that your pet has a pleasant journey. They also provide cleaning supplies in the relief areas. You must keep your pet on a leash or in a travel kennel. Pets are welcome at all three airports in Washington, D.C. You can inquire with your airline about their rules and guidelines for traveling with animals, as they may differ between airlines.