Need help booking?
Unpublished phone-only deals available
BWI to SMN: distance & flight time
Baltimore (Baltimore/Washington International Thurgood Marshall Airport) → Salmon (Lemhi County Airport)
1,932 mi
3,109 km · 1,679 nm
4h 15m
estimated nonstop flight time
-2h
time difference · heading northwest
See live BWI→SMN fares Phone-only fares on this route — call free
Flight time details
1,932 miles nonstop takes roughly 4h 15m 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
- BWI — Baltimore/Washington International Thurgood Marshall Airport · Baltimore, 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 BWI
- DCA · Ronald Reagan Washington National Airport30 mi away
- IAD · Washington Dulles International Airport45 mi away
- FME · Tipton Airport8 mi away
- ANP · Lee Airport17 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 BWI from SMN?
The flight distance from Baltimore (BWI) to Salmon (SMN) is 1,932 miles (3,109 km, 1,679 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BWI to SMN?
A nonstop flight takes about 4h 15m 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 Baltimore and Salmon?
Salmon is 2 hours behind Baltimore.
What is the cheapest way to fly from BWI to SMN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BWI–SMN that never appear on search engines, with no booking fees.