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ACI to BUF: distance & flight time
Alderney (Alderney Airport) → Buffalo (Buffalo Niagara International Airport)
3,520 mi
5,665 km · 3,059 nm
7h 22m
estimated nonstop flight time
-5h
time difference · heading northwest
See live ACI→BUF fares Phone-only fares on this route — call free
Flight time details
3,520 miles nonstop takes roughly 7h 22m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time set-back when reading arrival times on your ticket.
The two airports
- ACI — Alderney Airport · Alderney, Guernsey
- BUF — Buffalo Niagara International Airport · Buffalo, 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 ACI
- GCI · Guernsey Airport26 mi away
- JER · Jersey Airport34 mi away
- CER · Cherbourg-Maupertus Airport34 mi away
- GFR · Granville Airport64 mi away
Near BUF
- IAG · Niagara Falls International Airport16 mi away
- YYZ · Lester B. Pearson International Airport68 mi away
- YCM · Niagara District Airport28 mi away
- DKK · Chautauqua County-Dunkirk Airport41 mi away
Frequently asked questions
How far is ACI from BUF?
The flight distance from Alderney (ACI) to Buffalo (BUF) is 3,520 miles (5,665 km, 3,059 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ACI to BUF?
A nonstop flight takes about 7h 22m 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 Buffalo?
Buffalo is 5 hours behind Alderney.
What is the cheapest way to fly from ACI to BUF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ACI–BUF that never appear on search engines, with no booking fees.