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ACI to PSM: distance & flight time
Alderney (Alderney Airport) → Portsmouth (Portsmouth International at Pease Airport)
3,186 mi
5,128 km · 2,769 nm
6h 43m
estimated nonstop flight time
-5h
time difference · heading west
See live ACI→PSM fares Phone-only fares on this route — call free
Flight time details
3,186 miles nonstop takes roughly 6h 43m gate to gate, flying west. 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
- PSM — Portsmouth International at Pease Airport · Portsmouth, 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 PSM
- BOS · General Edward Lawrence Logan International Airport50 mi away
- LWM · Lawrence Municipal Airport29 mi away
- MHT · Manchester-Boston Regional Airport33 mi away
- BVY · Beverly Municipal Airport34 mi away
Frequently asked questions
How far is ACI from PSM?
The flight distance from Alderney (ACI) to Portsmouth (PSM) is 3,186 miles (5,128 km, 2,769 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ACI to PSM?
A nonstop flight takes about 6h 43m 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 Portsmouth?
Portsmouth is 5 hours behind Alderney.
What is the cheapest way to fly from ACI to PSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ACI–PSM that never appear on search engines, with no booking fees.