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CMF to PSM: distance & flight time
Chambery (Chambéry-Savoie Airport) → Portsmouth (Portsmouth International at Pease Airport)
3,642 mi
5,862 km · 3,165 nm
7h 37m
estimated nonstop flight time
-6h
time difference · heading northwest
See live CMF→PSM fares Phone-only fares on this route — call free
Flight time details
3,642 miles nonstop takes roughly 7h 37m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- CMF — Chambéry-Savoie Airport · Chambery, France
- 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 CMF
- NCY · Annecy-Haute-Savoie-Mont Blanc Airport23 mi away
- GNB · Grenoble-Isère Airport33 mi away
- MFX · Méribel Altiport37 mi away
- LYS · Lyon Saint-Exupéry Airport39 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 CMF from PSM?
The flight distance from Chambery (CMF) to Portsmouth (PSM) is 3,642 miles (5,862 km, 3,165 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CMF to PSM?
A nonstop flight takes about 7h 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 time difference between Chambery and Portsmouth?
Portsmouth is 6 hours behind Chambery.
What is the cheapest way to fly from CMF to PSM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CMF–PSM that never appear on search engines, with no booking fees.