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PSM to LAM: distance & flight time
Portsmouth (Portsmouth International at Pease Airport) → Los Alamos (Los Alamos Airport)
1,939 mi
3,120 km · 1,685 nm
4h 16m
estimated nonstop flight time
-2h
time difference · heading west
See live PSM→LAM fares Phone-only fares on this route — call free
Flight time details
1,939 miles nonstop takes roughly 4h 16m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- PSM — Portsmouth International at Pease Airport · Portsmouth, United States
- LAM — Los Alamos Airport · Los Alamos, 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 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
Near LAM
- SAF · Santa Fe Municipal Airport21 mi away
- TSM · Taos Regional Airport52 mi away
- ABQ · Albuquerque International Sunport61 mi away
- LVS · Las Vegas Municipal Airport65 mi away
Frequently asked questions
How far is PSM from LAM?
The flight distance from Portsmouth (PSM) to Los Alamos (LAM) is 1,939 miles (3,120 km, 1,685 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSM to LAM?
A nonstop flight takes about 4h 16m 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 Portsmouth and Los Alamos?
Los Alamos is 2 hours behind Portsmouth.
What is the cheapest way to fly from PSM to LAM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSM–LAM that never appear on search engines, with no booking fees.