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BOS to SMN: distance & flight time
Boston (General Edward Lawrence Logan International Airport) → Salmon (Lemhi County Airport)
2,123 mi
3,417 km · 1,845 nm
4h 38m
estimated nonstop flight time
-2h
time difference · heading west
See live BOS→SMN fares Phone-only fares on this route — call free
Flight time details
2,123 miles nonstop takes roughly 4h 38m 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
- BOS — General Edward Lawrence Logan International Airport · Boston, 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 BOS
- OWD · Norwood Memorial Airport15 mi away
- BED · Laurence G Hanscom Field16 mi away
- BVY · Beverly Municipal Airport16 mi away
- LWM · Lawrence Municipal Airport25 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 BOS from SMN?
The flight distance from Boston (BOS) to Salmon (SMN) is 2,123 miles (3,417 km, 1,845 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BOS to SMN?
A nonstop flight takes about 4h 38m 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 Boston and Salmon?
Salmon is 2 hours behind Boston.
What is the cheapest way to fly from BOS to SMN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BOS–SMN that never appear on search engines, with no booking fees.