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PHN to SMN: distance & flight time
Port Huron (St Clair County International Airport) → Salmon (Lemhi County Airport)
1,555 mi
2,503 km · 1,352 nm
3h 31m
estimated nonstop flight time
-2h
time difference · heading west
See live PHN→SMN fares Phone-only fares on this route — call free
Flight time details
1,555 miles nonstop takes roughly 3h 31m 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
- PHN — St Clair County International Airport · Port Huron, 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 PHN
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 PHN from SMN?
The flight distance from Port Huron (PHN) to Salmon (SMN) is 1,555 miles (2,503 km, 1,352 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PHN to SMN?
A nonstop flight takes about 3h 31m 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 Port Huron and Salmon?
Salmon is 2 hours behind Port Huron.
What is the cheapest way to fly from PHN to SMN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PHN–SMN that never appear on search engines, with no booking fees.