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LAI to DCA: distance & flight time
Lannion (Lannion-Côte de Granit Airport) → Washington (Ronald Reagan Washington National Airport)
3,587 mi
5,772 km · 3,117 nm
7h 30m
estimated nonstop flight time
-6h
time difference · heading west
See live LAI→DCA fares Phone-only fares on this route — call free
Flight time details
3,587 miles nonstop takes roughly 7h 30m 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
- LAI — Lannion-Côte de Granit Airport · Lannion, France
- DCA — Ronald Reagan Washington National Airport · Washington, 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 DCA
Frequently asked questions
How far is LAI from DCA?
The flight distance from Lannion (LAI) to Washington (DCA) is 3,587 miles (5,772 km, 3,117 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from LAI to DCA?
A nonstop flight takes about 7h 30m 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 Washington?
Washington is 6 hours behind Lannion.
What is the cheapest way to fly from LAI to DCA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on LAI–DCA that never appear on search engines, with no booking fees.