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LAI to OSN: distance & flight time
Lannion (Lannion-Côte de Granit Airport) → Osan (Osan Air Base)
5,775 mi
9,293 km · 5,018 nm
11h 47m
estimated nonstop flight time
+7h
time difference · heading northeast
See live LAI→OSN fares Phone-only fares on this route — call free
Flight time details
5,775 miles nonstop takes roughly 11h 47m 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
- LAI — Lannion-Côte de Granit Airport · Lannion, France
- OSN — Osan Air Base · Osan, South Korea
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 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
Near OSN
- ICN · Incheon International Airport41 mi away
- SWU · Suwon Airport10 mi away
- SSN · Seoul Air Base (K-16)25 mi away
- GMP · Gimpo International Airport35 mi away
Frequently asked questions
How far is LAI from OSN?
The flight distance from Lannion (LAI) to Osan (OSN) is 5,775 miles (9,293 km, 5,018 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LAI to OSN?
A nonstop flight takes about 11h 47m 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 Lannion and Osan?
Osan is 7 hours ahead of Lannion.
What is the cheapest way to fly from LAI to OSN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LAI–OSN that never appear on search engines, with no booking fees.