IAD is Washington Dulles
An airport in the United States. IAD is its three-letter IATA code, the one on your boarding pass and bag tag.
- IATA code
- IAD
- Airport
- Washington Dulles
- Country
- United States
- Region
- Americas
Why is it IAD?
Dulles was first coded DIA, but on handwritten tags that looked too much like DCA, Washington's other airport. The letters were rearranged to IAD.
Don't mix it up with
These codes look or sound close to IAD.
Other airports in the United States
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Common questions
What airport is IAD?
IAD is the IATA code for Washington Dulles in the United States.
What is the airport code for Washington Dulles?
The three-letter IATA code for Washington Dulles is IAD.