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ALN to ACI: distance & flight time
Alton/St Louis (St Louis Regional Airport) → Alderney (Alderney Airport)
4,155 mi
6,687 km · 3,611 nm
8h 37m
estimated nonstop flight time
—
time difference · heading northeast
See live ALN→ACI fares Phone-only fares on this route — call free
Flight time details
4,155 miles nonstop takes roughly 8h 37m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- ALN — St Louis Regional Airport · Alton/St Louis, United States
- ACI — Alderney Airport · Alderney, Guernsey
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 ALN
- STL · St Louis Lambert International Airport20 mi away
- BLV · Scott AFB/Midamerica Airport26 mi away
- SUS · Spirit of St Louis Airport36 mi away
- SPI · Abraham Lincoln Capital Airport69 mi away
Near ACI
- GCI · Guernsey Airport26 mi away
- JER · Jersey Airport34 mi away
- CER · Cherbourg-Maupertus Airport34 mi away
- GFR · Granville Airport64 mi away
Frequently asked questions
How far is ALN from ACI?
The flight distance from Alton/St Louis (ALN) to Alderney (ACI) is 4,155 miles (6,687 km, 3,611 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ALN to ACI?
A nonstop flight takes about 8h 37m 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 cheapest way to fly from ALN to ACI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ALN–ACI that never appear on search engines, with no booking fees.