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LAI to SEP: distance & flight time
Lannion (Lannion-Côte de Granit Airport) → Stephenville (Stephenville Clark Regional Airport)
4,781 mi
7,695 km · 4,155 nm
9h 51m
estimated nonstop flight time
-7h
time difference · heading northwest
See live LAI→SEP fares Phone-only fares on this route — call free
Flight time details
4,781 miles nonstop takes roughly 9h 51m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- LAI — Lannion-Côte de Granit Airport · Lannion, France
- SEP — Stephenville Clark Regional Airport · Stephenville, 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 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 SEP
- MWL · Mineral Wells Airport40 mi away
- DFW · Dallas Fort Worth International Airport81 mi away
- BKD · Stephens County Airport54 mi away
- FWH · NAS Fort Worth JRB/Carswell Field57 mi away
Frequently asked questions
How far is LAI from SEP?
The flight distance from Lannion (LAI) to Stephenville (SEP) is 4,781 miles (7,695 km, 4,155 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LAI to SEP?
A nonstop flight takes about 9h 51m 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 Stephenville?
Stephenville is 7 hours behind Lannion.
What is the cheapest way to fly from LAI to SEP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LAI–SEP that never appear on search engines, with no booking fees.