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FLF to BOS: distance & flight time
Flensburg (Flensburg-Schäferhaus Airport) → Boston (General Edward Lawrence Logan International Airport)
3,563 mi
5,734 km · 3,096 nm
7h 27m
estimated nonstop flight time
-6h
time difference · heading west
See live FLF→BOS fares Phone-only fares on this route — call free
Flight time details
3,563 miles nonstop takes roughly 7h 27m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- FLF — Flensburg-Schäferhaus Airport · Flensburg, Germany
- BOS — General Edward Lawrence Logan International Airport · Boston, United States
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 FLF
- SGD · Sønderborg Airport21 mi away
- WBG · Schleswig Air Base22 mi away
- SKS · Skrydstrup Air Base31 mi away
- KEL · Kiel-Holtenau Airport41 mi away
Near BOS
- OWD · Norwood Memorial Airport15 mi away
- BED · Laurence G Hanscom Field16 mi away
- BVY · Beverly Municipal Airport16 mi away
- LWM · Lawrence Municipal Airport25 mi away
Frequently asked questions
How far is FLF from BOS?
The flight distance from Flensburg (FLF) to Boston (BOS) is 3,563 miles (5,734 km, 3,096 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FLF to BOS?
A nonstop flight takes about 7h 27m 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 Flensburg and Boston?
Boston is 6 hours behind Flensburg.
What is the cheapest way to fly from FLF to BOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FLF–BOS that never appear on search engines, with no booking fees.