Need help booking?
Unpublished phone-only deals available
ACI to CYS: distance & flight time
Alderney (Alderney Airport) → Cheyenne (Cheyenne Regional Jerry Olson Field)
4,608 mi
7,415 km · 4,004 nm
9h 30m
estimated nonstop flight time
-7h
time difference · heading northwest
See live ACI→CYS fares Phone-only fares on this route — call free
Flight time details
4,608 miles nonstop takes roughly 9h 30m 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
- ACI — Alderney Airport · Alderney, Guernsey
- CYS — Cheyenne Regional Jerry Olson Field · Cheyenne, 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 CYS
- LAR · Laramie Regional Airport46 mi away
- DEN · Denver International Airport90 mi away
- FNL · Northern Colorado Regional Airport50 mi away
- GXY · Greeley–Weld County Airport51 mi away
Frequently asked questions
How far is ACI from CYS?
The flight distance from Alderney (ACI) to Cheyenne (CYS) is 4,608 miles (7,415 km, 4,004 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ACI to CYS?
A nonstop flight takes about 9h 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 Alderney and Cheyenne?
Cheyenne is 7 hours behind Alderney.
What is the cheapest way to fly from ACI to CYS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ACI–CYS that never appear on search engines, with no booking fees.