Gaithersburg to Dulles (GAI–IAD) — Airlines, Schedules & Connections
No flights match your filters.
No nonstop flights on this route. connecting options below.
While no nonstop service exists between GAI and IAD, connecting options are available through 5 hubs.
Connection Landscape
On-Time Performance
Other ways to reach Dulles from Gaithersburg
| Metric | GAI→IAD | BWI→IAD | MDT→IAD |
|---|---|---|---|
| Distance from GAI | – | 27 mi | 74 mi |
| Nonstop airlines | 0 | 2 | 3 |
| Weekly flights | 0 | 1 | 42 |
Travel Essentials
GAI: EDT · IAD: EDT
When it's 6:00 PM in Gaithersburg, it's 6:00 PM in Dulles.
Silver Line Metro runs from Washington Dulles Airport station to Metro Center in about 65 minutes (~$7). The route bypasses I-66 and I-495 congestion entirely. Washington Flyer coach also runs to Wiehle-Reston East station ($6, 15 min) for Metro connection.Taxis and ride-shares to downtown DC cost $55–80 and take 35–55 minutes depending on traffic. Car rental facilities are on-site. Dulles is 27 miles west of the Capitol; it is farther than either DCA or BWI from central DC.
Humid continental climate. Summers are hot and muggy (30–36°C) with frequent afternoon thunderstorms that cause delays June through August. Winters bring cold temperatures (−3 to 5°C) with snow and ice. The Virginia suburbs accumulate more snow than downtown DC, and ice storms are the primary disruption risk.
Dulles sits at higher elevation in Virginia's piedmont and sees more winter precipitation than DCA. Spring and fall are variable. Snowfall is possible into April. Thunderstorms begin from April through May.
GAI–IAD Quick Facts
Frequently Asked Questions
Connecting Options and Alternatives
5 one-stop connections are available, with the fastest taking approximately 2 hours via MDT. Nearby alternative airports include Baltimore (BWI), Harrisburg (MDT) and Lancaster (LNS).