Airport code
IAD — Washington Dulles International Airport
IAD is the IATA code for Washington Dulles International Airport, an airport serving Dulles, United States. Its ICAO code is KIAD, and it operates in the America/New_York time zone (UTC-5). The airport sits at 38.9445, -77.4558 in the Northern Hemisphere, at an elevation of 312 ft (95 m).
Overview
About Washington Dulles International Airport
Washington Dulles International Airport is the main international airport serving Washington, D.C., the capital of the United States. It is located 26 miles (42 km) west of downtown Washington, D.C., in Loudoun and Fairfax counties in Northern Virginia.
Reference data
Airport information
| IATA code | IAD |
|---|---|
| ICAO code | KIAD |
| Airport name | Washington Dulles International Airport |
| City | Dulles |
| Country | United States |
| Time zone | America/New_York (UTC-5) |
| Latitude | 38.9445 |
| Longitude | -77.4558 |
| Elevation | 312 ft (95 m) |
| Airport type | Large airport |
| Continent | North America |
| Runways | 4 |
| Longest runway | 11,500 ft (3,505 m) |
| Map | View on OpenStreetMap ↗ |
Reference data last updated 24 July 2026.
By distance
Nearest airports to IAD
Learn
Understanding airport codes
Questions
Frequently asked questions
What is the IATA code for Washington Dulles International Airport?
The IATA code for Washington Dulles International Airport is IAD.
What is the ICAO code for Washington Dulles International Airport?
The ICAO code for Washington Dulles International Airport is KIAD.
Where is IAD airport located?
Washington Dulles International Airport (IAD) is located in Dulles, United States.
What time zone is IAD in?
Washington Dulles International Airport operates in the America/New_York time zone, which is UTC-5.
What is the nearest airport to IAD?
The nearest airport to Washington Dulles International Airport (IAD) is Ronald Reagan Washington National Airport (DCA) in Washington, about 38 km away.
Same country