Cheap IAD to Houston flights

Book your IAD to IAH flights with Expedia and find last-minute Washington, DC to Houston airfare. Expedia offers discount airfare on multiple airline carriers that fly direct and indirect routes between IAD and IAH, with new flight deals and promotions almost daily. When you book your next trip from Washington Dulles Intl. to George Bush Intercontinental 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 IAH Route Map

Washington, DC to Houston Flights, Stats and Airplanes

Route information for flights from Washington Dulles Intl. to George Bush Intercontinental.

Distance:
1,188.86 miles

Airline carriers and aircraft used on flights from IAD to IAH

Airline Carrier

Continental Airlines
United Airlines
United Airlines
US Airways
US Airways

Aircraft

Boeing 737-700 pax
Airbus A319
Airbus A320-100/200
Airbus A319
Canadair Regional Jet 700

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.

IAH - George Bush Intercontinental Airlines

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

Interesting Facts About Flights from Washington, DC to Houston (IAD to IAH)

  • The newest aircraft servicing IAD to IAH in 2009 was Shuttle America's EMB-170 from Embraer. The EMB-170 started flying in 2004.
  • The shortest flight between IAD and IAH takes about 162 minutes.
  • There were 63,295 passengers that flew from Washington to Houston in 2009.
  • go Operated by Mesa Airlines offers the shortest flight times from Washington to Houston.
  • The smallest aircraft servicing flights from IAD to IAH for ExpressJet Airlines is the EMB-145 built by Embraer with 50 seats.
  • UNITED carried a total of 42,877 passengers from IAD to IAH in 2009.
  • UNITED, Shuttle America, ExpressJet Airlines, go Operated by Mesa Airlines, Continental Airlines, American Airlines offer flights from Washington, DC to Houston, TX.
  • ExpressJet Airlines, UNITED, go Operated by Mesa Airlines operate the shortest flights from Washington to Houston.
  • 84,902 seats were available on flights from IAD to IAH in 2009. Of those seats, a total of 63,295 passengers flew on all flights from IAD to IAH that year.
  • The shortest flight distance between Washington and Houston is 1190 miles.
  • In 2009, there were 6 airline companies operating between Washington and Houston.
  • The largest aircraft servicing flights between Washington and Houston from Continental Airlines is the B757-3 built by Boeing with 216 seats.
  • Flight #7320, operated by go Operated by Mesa Airlines, was the flight with the most delays in 2009, with 222 minutes average delay between flights from Washington to Houston.
  • The oldest aircraft servicing trips from Washington, DC to Houston, TX in 2009 was American Airlines' MD-80 from Mcdonnell Douglas which started flying in 1990.
  • The average aircraft occupancy on flights from Washington to Houston in 2009 was 74.85%.
  • The average flight time from Washington, DC to Houston, TX takes about 169 minutes.
  • UNITED operated flights from IAD to IAH using 3 types of aircraft in 2009.

(Source: FAA & BTS 2009 Databases)