Gaithersburg (GAI) — 42 Flight Routes & Destinations
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Hub Brief
Plan your next trip from Gaithersburg
Montgomery County Airpark (GAI) connects to 42 destinations (39 domestic, 3 international) across 3 continents, served by 4 airlines including CNS, OPN and LXJ. Browse the route map above to find your destination, then click any route for airline comparisons and schedule details.
How does GAI compare?
Alternative airports within 150 miles of Montgomery County Airpark.
| Metric | GAI | IAD | DCA | BWI | MDT | CHO | PHL |
|---|---|---|---|---|---|---|---|
| Distance | — | 22 mi | 23 mi | 27 mi | 74 mi | 99 mi | 114 mi |
| Nonstop Routes | 42 | 785 | 149 | 400 | 90 | 94 | 499 |
| International | 3 | 232 | 6 | 93 | 6 | 11 | 114 |
| Airlines | 0 | 137 | 49 | 76 | 27 | 20 | 86 |
| Passengers/yr | — | 26.0M | 25.5M | 26.4M | 1.5M | 702K | 30.2M |
On-Time Performance
Seasonal & Recently Added Routes
Seasonal services and routes recently added to AIRO from GAI.
Former nonstop destinations from GAI
Destinations that had nonstop service from GAI but don't appear in current schedules. Most remain reachable with a connection — open any route for the flights that used to operate and live options.
Routes by Distance
Distance breakdown of all routes from GAI.
Schedule Overview
Weekly flight schedule summary from GAI.
Montgomery County Airpark: Quick Facts
Comprehensive reference for GAI airport information.
Frequently Asked Questions
Common questions about flights from Montgomery County Airpark.
Montgomery County Airpark offers nonstop flights to 42 destinations, including 39 domestic and 3 international routes.
4 airlines operate scheduled service from Montgomery County Airpark, including major carriers like CNS, OPN and LXJ. Use the airline filter above to see routes by specific carrier.
Yes, Montgomery County Airpark offers 3 international routes across 3 continents.
Yes. Beyond nonstop routes, the route explorer shows 1-stop and 2-stop connections, letting you reach hundreds of additional destinations via major hubs.
Nearby alternatives include IAD, DCA and BWI. Check the Nearby Airports section above for route counts and distances.
Use the checkboxes in the route list to select routes, then click Compare to see side-by-side stats including frequency, duration, airlines, and on-time performance.
Check the Schedule Overview section for a day-by-day breakdown of route availability from Montgomery County Airpark.
Route data is updated regularly from official airline schedules. Seasonal or newly announced routes may take a few days to appear.
Click any route to see detailed flight options, then use the 'Search Flights' button to check availability and prices on Google Flights.