Cheap IAD to Denver flights

Book your IAD to DEN flights with Expedia and find last-minute Washington, DC to Denver airfare. Expedia offers discount airfare on multiple airline carriers that fly direct and indirect routes between IAD and DEN, with new flight deals and promotions almost daily. When you book your next trip from Washington Dulles Intl. to Denver Intl. with Expedia, you can rest assured you’re getting great ticket prices and excellent service from one of the world’s most trusted travel providers.

Popular Flights from Washington, DC, District of Columbia

Browse popular flight destinations from Washington, DC (IAD), and plan your next exciting trip. Expedia has cheap flights from Washington, DC on multiple airline carriers, so book your next trip today!

IAD to DEN Route Map

Washington, DC to Denver Flights, Stats and Airplanes

Route information for flights from Washington Dulles Intl. to Denver Intl..

Destination:
Distance:
1,448.78 miles

Airline carriers and aircraft used on flights from IAD to DEN

Airline Carrier

Continental Airlines
Continental Airlines
Continental Airlines
United Airlines
United Airlines
United Airlines
US Airways
US Airways
US Airways

Aircraft

Airbus A319
Airbus A320-100/200
Boeing 757-200 pax
Airbus A319
Airbus A320-100/200
Boeing 757-200 pax
Airbus A319
Airbus A320-100/200
Boeing 757-200 pax

IAD - Washington Dulles Intl. Airlines

Browse the most popular airlines servicing the Washington, DC (IAD) airport. Visit their flights pages to learn more about the most popular routes these carriers fly.

DEN - Denver Intl. Airlines

Browse the most popular airlines servicing the Denver (DEN) airport. Visit their flights pages to learn more about the most popular routes these carriers fly.

Interesting Facts About Flights from Washington, DC to Denver (IAD to DEN)

  • The largest aircraft servicing flights between Washington and Denver from UNITED is the B777-2 built by Boeing with 257 seats.
  • 538,062 seats were available on flights from IAD to DEN in 2009. Of those seats, a total of 458,622 passengers flew on all flights from IAD to DEN that year.
  • The shortest flight between IAD and DEN takes about 201 minutes.
  • Flight #43, operated by UNITED, was the flight with the most delays in 2009, with 8 minutes average delay between flights from Washington to Denver.
  • The smallest aircraft servicing flights from IAD to DEN for Air Greenland is the B737-4 built by Boeing with 68 seats.
  • The average flight time from Washington, DC to Denver, CO takes about 201 minutes.
  • The newest aircraft servicing IAD to DEN in 2009 was Air Greenland's B737-8 from Boeing. The B737-8 started flying in 1998.
  • The average aircraft occupancy on flights from Washington to Denver in 2009 was 84.06%.
  • UNITED operates the shortest flights from Washington to Denver.
  • The shortest flight distance between Washington and Denver is 1452 miles.
  • UNITED carried a total of 458,395 passengers from IAD to DEN in 2009.
  • The oldest aircraft servicing trips from Washington, DC to Denver, CO in 2009 was Air Greenland's B737-4 from Boeing which started flying in 1990.
  • There were 458,622 passengers that flew from Washington to Denver in 2009.
  • UNITED, American Airlines, Air Greenland offer flights from Washington, DC to Denver, CO.
  • In 2009, there were 3 airline companies operating between Washington and Denver.
  • UNITED offers the shortest flight times from Washington to Denver.
  • UNITED operated flights from IAD to DEN using 7 types of aircraft in 2009.

(Source: FAA & BTS 2009 Databases)