Cheap flights to Washington, D.C. from $137

IAD is a unique code, commonly called an IATA code, used in the aviation industry to identify airports. This code, along with many others, are defined by IATA (International Air Transport Association). A IAD flight refers to a flight to Washington, D.C. Dulles Intl Airport. This flight destination has multiple associated airports, so we think it might be helpful to learn the name and codes of them as well. They are Baltimore/Washington Airport (BWI), Washington, D.C. Reagan-National Airport (DCA).

Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Washington, D.C. on Cheapflights that require 1 or 2 stops for potential cost savings.

Based on reviews from Cheapflights users, United Airlines is rated the highest out of the airlines that fly to Washington, D.C..

Baltimore/Washington Airport is currently the cheapest airport to fly to in Washington, D.C.. One-way flights to Baltimore/Washington Airport typically cost $91, while return flights cost around $394.

A return flight to Washington, D.C. will typically cost around $376, however they can be found for as little as $256.

For those looking to save time traveling to Washington, D.C., Sydney offers the quickest one-way flight (20 hours 57 minutes).

Yes. Those touching down at Washington, D.C. Dulles Intl Airport can take advantage of the car hire services offered upon their arrival.

Yes. Washington, D.C. Dulles Intl Airport has hotels nearby for those requiring accommodations. Sleepbox Lounge Iad, Dulles International Airport is the closest property to Washington, D.C. Dulles Intl Airport (0.0 km away from Washington, D.C. Dulles Intl Airport).