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SMN to BWI: distance & flight time
Salmon (Lemhi County Airport) → Baltimore (Baltimore/Washington International Thurgood Marshall Airport)
1,932 mi
3,109 km · 1,679 nm
4h 15m
estimated nonstop flight time
+2h
time difference · heading east
See live SMN→BWI fares Phone-only fares on this route — call free
Flight time details
1,932 miles nonstop takes roughly 4h 15m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- SMN — Lemhi County Airport · Salmon, United States
- BWI — Baltimore/Washington International Thurgood Marshall Airport · Baltimore, 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 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
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
Frequently asked questions
How far is SMN from BWI?
The flight distance from Salmon (SMN) to Baltimore (BWI) 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 SMN to BWI?
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 Salmon and Baltimore?
Baltimore is 2 hours ahead of Salmon.
What is the cheapest way to fly from SMN to BWI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SMN–BWI that never appear on search engines, with no booking fees.