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GAI to FLF: distance & flight time
Gaithersburg (Montgomery County Airpark) → Flensburg (Flensburg-Schäferhaus Airport)
3,947 mi
6,351 km · 3,429 nm
8h 12m
estimated nonstop flight time
+6h
time difference · heading northeast
See live GAI→FLF fares Phone-only fares on this route — call free
Flight time details
3,947 miles nonstop takes roughly 8h 12m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- GAI — Montgomery County Airpark · Gaithersburg, United States
- FLF — Flensburg-Schäferhaus Airport · Flensburg, Germany
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near GAI
Near FLF
- SGD · Sønderborg Airport21 mi away
- WBG · Schleswig Air Base22 mi away
- SKS · Skrydstrup Air Base31 mi away
- KEL · Kiel-Holtenau Airport41 mi away
Frequently asked questions
How far is GAI from FLF?
The flight distance from Gaithersburg (GAI) to Flensburg (FLF) is 3,947 miles (6,351 km, 3,429 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to FLF?
A nonstop flight takes about 8h 12m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Gaithersburg and Flensburg?
Flensburg is 6 hours ahead of Gaithersburg.
What is the cheapest way to fly from GAI to FLF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–FLF that never appear on search engines, with no booking fees.