Need help booking?
Unpublished phone-only deals available
ACI to CPH: distance & flight time
Alderney (Alderney Airport) → Copenhagen (Copenhagen Kastrup Airport)
743 mi
1,195 km · 645 nm
2h 5m
estimated nonstop flight time
+1h
time difference · heading northeast
See live ACI→CPH fares Phone-only fares on this route — call free
Flight time details
743 miles nonstop takes roughly 2h 5m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- ACI — Alderney Airport · Alderney, Guernsey
- CPH — Copenhagen Kastrup Airport · Copenhagen, Denmark
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 ACI
- GCI · Guernsey Airport26 mi away
- JER · Jersey Airport34 mi away
- CER · Cherbourg-Maupertus Airport34 mi away
- GFR · Granville Airport64 mi away
Near CPH
- RKE · Copenhagen Roskilde Airport21 mi away
- MMX · Malmö Sturup Airport29 mi away
- AGH · Ängelholm-Helsingborg Airport47 mi away
- KID · Kristianstad Airport59 mi away
Frequently asked questions
How far is ACI from CPH?
The flight distance from Alderney (ACI) to Copenhagen (CPH) is 743 miles (1,195 km, 645 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ACI to CPH?
A nonstop flight takes about 2h 5m 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 Alderney and Copenhagen?
Copenhagen is 1 hour ahead of Alderney.
What is the cheapest way to fly from ACI to CPH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ACI–CPH that never appear on search engines, with no booking fees.