Need help booking?
Unpublished phone-only deals available
SDF to SMN: distance & flight time
Louisville (Louisville International Standiford Field) → Salmon (Lemhi County Airport)
1,521 mi
2,448 km · 1,322 nm
3h 27m
estimated nonstop flight time
-2h
time difference · heading northwest
See live SDF→SMN fares Phone-only fares on this route — call free
Flight time details
1,521 miles nonstop takes roughly 3h 27m gate to gate, flying northwest. 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
- SDF — Louisville International Standiford Field · Louisville, 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 SDF
- LOU · Bowman Field5 mi away
- FTK · Godman Army Air Field22 mi away
- FFT · Capital City Airport45 mi away
- LEX · Blue Grass Airport62 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 SDF from SMN?
The flight distance from Louisville (SDF) to Salmon (SMN) is 1,521 miles (2,448 km, 1,322 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SDF to SMN?
A nonstop flight takes about 3h 27m 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 Louisville and Salmon?
Salmon is 2 hours behind Louisville.
What is the cheapest way to fly from SDF to SMN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SDF–SMN that never appear on search engines, with no booking fees.