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PSM to SMN: distance & flight time
Portsmouth (Portsmouth International at Pease Airport) → Salmon (Lemhi County Airport)
2,116 mi
3,405 km · 1,838 nm
4h 37m
estimated nonstop flight time
-2h
time difference · heading west
See live PSM→SMN fares Phone-only fares on this route — call free
Flight time details
2,116 miles nonstop takes roughly 4h 37m 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
- SMN — Lemhi County Airport · Salmon, 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 SMN
- BTM · Bert Mooney Airport88 mi away
- MYL · McCall Municipal Airport110 mi away
- SUN · Friedman Memorial Airport114 mi away
- MSO · Missoula International Airport124 mi away
Frequently asked questions
How far is PSM from SMN?
The flight distance from Portsmouth (PSM) to Salmon (SMN) is 2,116 miles (3,405 km, 1,838 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PSM to SMN?
A nonstop flight takes about 4h 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 Portsmouth and Salmon?
Salmon is 2 hours behind Portsmouth.
What is the cheapest way to fly from PSM to SMN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PSM–SMN that never appear on search engines, with no booking fees.