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BEX to SMN: distance & flight time
Benson (RAF Benson) → Salmon (Lemhi County Airport)
4,650 mi
7,484 km · 4,041 nm
9h 35m
estimated nonstop flight time
-7h
time difference · heading northwest
See live BEX→SMN fares Phone-only fares on this route — call free
Flight time details
4,650 miles nonstop takes roughly 9h 35m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- BEX — RAF Benson · Benson, United Kingdom
- 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 BEX
- LHR · London Heathrow Airport29 mi away
- LGW · London Gatwick Airport51 mi away
- HYC · Wycombe Air Park12 mi away
- OXF · Oxford (Kidlington) Airport18 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 BEX from SMN?
The flight distance from Benson (BEX) to Salmon (SMN) is 4,650 miles (7,484 km, 4,041 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BEX to SMN?
A nonstop flight takes about 9h 35m 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 Benson and Salmon?
Salmon is 7 hours behind Benson.
What is the cheapest way to fly from BEX to SMN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BEX–SMN that never appear on search engines, with no booking fees.