Ready to fly GAI to IAD?
Compare flight prices across hundreds of airlines and booking sites.
Find flights from GAI to IADSome links on this page are affiliate links. We may earn a commission at no extra cost to you.
Airport Comparison
| GAI | IAD | |
|---|---|---|
| Airport Name | Montgomery County Airpark | Washington Dulles International Airport |
| IATA Code | GAI | IAD |
| ICAO Code | KGAI | KIAD |
| City | Gaithersburg | Washington |
| Country | United States | United States |
| Timezone | America/New_York | America/New_York |
| Elevation | 539 ft | 312 ft |
| Coordinates | 39.170000, -77.170000 | 38.900000, -77.500000 |
Gaithersburg (GAI) to Washington (IAD) Flight Distance
The flight distance from Montgomery County Airpark (GAI) in Gaithersburg, United States to Washington Dulles International Airport (IAD) in Washington, United States is 41 kilometers (26 miles / 22 nautical miles). The estimated flight time for this route is approximately 1h, flying southwest at a heading of 224°.
This is a short regional route, typically operated by turboprop or small regional jet aircraft. Flight time is minimal and passengers can expect a quick, efficient journey.
This is a domestic route within United States. Both airports operate in the same country, which may simplify travel requirements and documentation.
Time zone information: When it's 21:22 in Gaithersburg, it's 21:22 in Washington.
The return flight from Washington (IAD) to Gaithersburg (GAI) follows a heading of 43° (northeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.
For more information about these airports, visit the Montgomery County Airpark (GAI) and Washington Dulles International Airport (IAD) detail pages, or use our flight duration calculator to compare other routes.
Cheapest months to fly GAI → IAD
Live ticket prices for the next 12 months. Click any month to see deals.
Flight schedule GAI → IAD
Upcoming departures, airlines, and flight numbers for this route.
Flight GAI → IAD delayed or cancelled?
You may be entitled to up to €600 compensation under EU 261 / UK 261. Check eligibility in 2 minutes.