Cheap Flights from Washington, DC to Houston

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Cheap IAD to Houston flights

Book your IAD to HOU 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 HOU, with new flight deals and promotions almost daily. When you book your next trip from Washington Dulles Intl. to William P. Hobby 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.

IAD to HOU Flight Schedule

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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!

Popular Flights from Houston, Texas

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

IAD to HOU Route Map


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

  • The smallest aircraft servicing flights from IAD to HOU for Delta Airlines is the B737-8 built by Boeing with 160 seats.
  • Delta Airlines operated flights from IAD to HOU using one type of aircraft in 2009.
  • The newest aircraft servicing IAD to HOU in 2009 was Delta Airlines' B737-8 from Boeing. The B737-8 started flying in 1998.
  • 160 seats were available on flights from IAD to HOU in 2009. Of those seats, a total of 48 passengers flew on all flights from IAD to HOU that year.
  • The largest aircraft servicing flights between Washington and Houston from Delta Airlines is the B737-8 built by Boeing with 160 seats.
  • Delta Airlines carried a total of 48 passengers from IAD to HOU in 2009.
  • The oldest aircraft servicing trips from Washington, DC to Houston, TX in 2009 was Delta Airlines' B737-8 from Boeing which started flying in 1998.
  • The average aircraft occupancy on flights from Washington to Houston in 2009 was 30%.
  • Delta Airlines offers flights from Washington, DC to Houston, TX.
  • In 2009, there was just one airline company serving flights from Washington to Houston.
  • There were 48 passengers that flew from Washington to Houston in 2009.

(Source: FAA & BTS 2009 Databases)