IAD · KIAD · Washington Dulles International Airport

Washington Dulles International Airport (IAD)

Dulles, United States · large airport · 38.944° -77.456° ·
Airport Information
IATA CodeIAD
ICAO CodeKIAD
Typelarge airport
NameWashington Dulles International Airport
MunicipalityDulles
CountryUnited States
ContinentNA
Latitude38.944° N
Longitude-77.456° W
Elevation312 ft
Climate ZoneTemperate
Scheduled ServiceYes
Score1 023 875
Local TimeLoading...
Country & Timezone Info
CountryUnited States
ISO Code
RegionDulles
Continent CodeNA
IANA TimezoneAmerica/New_York
UTC Offset (Standard)UTC-5
DST OffsetUTC-4
Current Offset--

🌬 Best Time to Fly

Recommended: May – September
Pleasant temperatures across most regions
Loading season...
Spring: Mar–MaySummer: Jun–AugAutumn: Sep–NovWinter: Dec–Feb

✈ Airlines Serving IAD

AA — American AirlinesDL — Delta Air LinesUA — United AirlinesWN — Southwest AirlinesAS — Alaska AirlinesB6 — JetBlueAC — Air Canada

🌡 Climate — Temperate (38.9°N)

Jan
Feb
10°
Mar
13°
Apr
17°
May
21°
11°
Jun
26°
15°
Jul
28°
17°
Aug
27°
16°
Sep
23°
13°
Oct
18°
Nov
12°
Dec
* Approximate average temperatures by month based on temperate latitude zone

AI-Enhanced Insights

Washington Dulles International Airport (IAD) is a major international gateway located about 26 miles west of downtown Washington, D.C. in Loudoun and Fairfax counties, Virginia. Opened in 1962 and designed by renowned architect Eero Saarinen, the airport features a distinctive sweeping main terminal and serves as a primary East Coast hub for United Airlines. It offers nonstop flights to numerous domestic and international destinations across six continents.

💡 Local Tip
If you have a long layover, consider taking a short taxi or rideshare trip to the Steven F. Udvar-Hazy Center (the Smithsonian National Air and Space Museum annex) nearby in Chantilly—it displays the Space Shuttle Discovery and hundreds of other aircraft, and admission is free.
🚖 Getting There

The Washington Flyer Silver Line Express bus connects the airport to the Wiehle-Reston East Metro station for direct access to the D.C. Metrorail system. Taxi, rideshare, and rental car services are available curbside at the main terminal, though fares to D.C. can reach $60–$80 during peak hours. Allow extra travel time during weekday rush hours, as I-66 and the Dulles Toll Road can experience significant congestion.

❓ Frequently Asked Questions
Q: How far is Dulles Airport from Washington, D.C.?
A: Dulles is approximately 26 miles (42 km) west of downtown Washington, D.C., typically a 45-minute to one-hour drive depending on traffic.

Q: Does Dulles have a people mover or train system between terminals?
A: Yes, the AeroTrain is an underground people mover that connects the main terminal with the midfield concourses A, B, and C, running frequently with short wait times.

Q: Is Dulles a hub for any major airline?
A: United Airlines operates a major hub at Dulles, offering a large share of the airport's domestic and international flights.

Q: How many runways does Dulles have?
A: Dulles has four runways, including two parallel runways on the west side and two on the east side of the terminal complex.
AI-generated content · Generated Jun 14, 2026 · MiniMax-M3

🗺 Location Map

🌏 Nearby Airports (Top 5)

IATANameCity / CountryDistance (km)Distance (mi)Link
MNZ Manassas Regional Airport/Harry P. Davis Field Manassas, United States 25.3 km 15.7 mi View →
DAA Davison Army Air Field Fort Belvoir, United States 34.9 km 21.7 mi View →
GAI Montgomery County Airpark Gaithersburg, United States 35.3 km 21.9 mi View →
JPN Pentagon Army Heliport Washington DC, United States 35.4 km 22.0 mi View →
DCA Ronald Reagan Washington National Airport Washington, United States 37.6 km 23.4 mi View →

🔧 Quick Tools

🔟 Distance Calculator
From IAD
📍 Nearest Airport
Near this location
🕒 Timezone Lookup
America/New_York
🌎 Map with Airport
View on map
← Back to World Airport Database