Cheap Flights from Washington, DC to Chicago

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Cheap IAD to Chicago flights

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

IAD to MDW Flight Schedule

A $ indicates that Expedia.com offers pricing for these airline's flights on the dates shown. A dot () indicates the airline has an available flight scheduled, but Expedia does not provide online booking at this time.

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 Chicago, Illinois

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

IAD to MDW Route Map


Interesting Facts About Flights from Washington, DC to Chicago (IAD to MDW)

  • In 2009, there were 3 airline companies operating between Washington and Chicago.
  • The largest aircraft servicing flights between Washington and Chicago from Air Greenland is the B737-8 built by Boeing with 174 seats.
  • The oldest aircraft servicing trips from Washington, DC to Chicago, IL in 2009 was Air Canada's A320-1/2 from Airbus Industrie which started flying in 1990.
  • The smallest aircraft servicing flights from IAD to MDW for Northwest Airlines is the A319 built by Airbus Industrie with 54 seats.
  • Air Greenland carried a total of 102 passengers from IAD to MDW in 2009.
  • Air Greenland, Air Canada, Northwest Airlines offer flights from Washington, DC to Chicago, IL.
  • 546 seats were available on flights from IAD to MDW in 2009. Of those seats, a total of 242 passengers flew on all flights from IAD to MDW that year.
  • The newest aircraft servicing IAD to MDW in 2009 was Air Greenland's B737-8 from Boeing. The B737-8 started flying in 1998.
  • There were 242 passengers that flew from Washington to Chicago in 2009.
  • Air Greenland operated flights from IAD to MDW using 2 types of aircraft in 2009.
  • The average aircraft occupancy on flights from Washington to Chicago in 2009 was 55.34%.

(Source: FAA & BTS 2009 Databases)

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