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PRM to SMN: distance & flight time
Portimao (Portimão Airport) → Salmon (Lemhi County Airport)
5,097 mi
8,202 km · 4,429 nm
10h 28m
estimated nonstop flight time
-7h
time difference · heading northwest
See live PRM→SMN fares Phone-only fares on this route — call free
Flight time details
5,097 miles nonstop takes roughly 10h 28m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- PRM — Portimão Airport · Portimao, Portugal
- 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 PRM
- FAO · Faro Airport35 mi away
- BYJ · Beja Airport / Airbase73 mi away
- CAT · Cascais Airport117 mi away
- LIS · Humberto Delgado Airport (Lisbon Portela Airport)117 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 PRM from SMN?
The flight distance from Portimao (PRM) to Salmon (SMN) is 5,097 miles (8,202 km, 4,429 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PRM to SMN?
A nonstop flight takes about 10h 28m 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 Portimao and Salmon?
Salmon is 7 hours behind Portimao.
What is the cheapest way to fly from PRM to SMN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PRM–SMN that never appear on search engines, with no booking fees.