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GTF to LAI: distance & flight time
Great Falls (Great Falls International Airport) → Lannion (Lannion-Côte de Granit Airport)
4,514 mi
7,265 km · 3,923 nm
9h 19m
estimated nonstop flight time
+8h
time difference · heading northeast
See live GTF→LAI fares Phone-only fares on this route — call free
Flight time details
4,514 miles nonstop takes roughly 9h 19m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- GTF — Great Falls International Airport · Great Falls, United States
- LAI — Lannion-Côte de Granit Airport · Lannion, France
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 GTF
- HLN · Helena Regional Airport67 mi away
- CTB · Cut Bank International Airport91 mi away
- LWT · Lewistown Municipal Airport94 mi away
- HVR · Havre City County Airport104 mi away
Near LAI
- MXN · Morlaix-Ploujean Airport19 mi away
- SBK · Saint-Brieuc-Armor Airport32 mi away
- LDV · Landivisiau Air Base35 mi away
- BES · Brest Bretagne Airport48 mi away
Frequently asked questions
How far is GTF from LAI?
The flight distance from Great Falls (GTF) to Lannion (LAI) is 4,514 miles (7,265 km, 3,923 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GTF to LAI?
A nonstop flight takes about 9h 19m 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 Great Falls and Lannion?
Lannion is 8 hours ahead of Great Falls.
What is the cheapest way to fly from GTF to LAI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GTF–LAI that never appear on search engines, with no booking fees.