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GRB to FLF: distance & flight time
Green Bay (Austin Straubel International Airport) → Flensburg (Flensburg-Schäferhaus Airport)
4,060 mi
6,534 km · 3,528 nm
8h 26m
estimated nonstop flight time
+7h
time difference · heading northeast
See live GRB→FLF fares Phone-only fares on this route — call free
Flight time details
4,060 miles nonstop takes roughly 8h 26m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- GRB — Austin Straubel International Airport · Green Bay, 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 GRB
- ATW · Appleton International Airport25 mi away
- OSH · Wittman Regional Airport41 mi away
- MNM · Menominee Regional Airport50 mi away
- SBM · Sheboygan County Memorial Airport51 mi away
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 GRB from FLF?
The flight distance from Green Bay (GRB) to Flensburg (FLF) is 4,060 miles (6,534 km, 3,528 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRB to FLF?
A nonstop flight takes about 8h 26m 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 Green Bay and Flensburg?
Flensburg is 7 hours ahead of Green Bay.
What is the cheapest way to fly from GRB to FLF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRB–FLF that never appear on search engines, with no booking fees.