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SMN to KEF: distance & flight time
Salmon (Lemhi County Airport) → Keflavik (Keflavik International Airport)
3,521 mi
5,666 km · 3,059 nm
7h 22m
estimated nonstop flight time
+6h
time difference · heading northeast
See live SMN→KEF fares Phone-only fares on this route — call free
Flight time details
3,521 miles nonstop takes roughly 7h 22m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- SMN — Lemhi County Airport · Salmon, United States
- KEF — Keflavik International Airport · Keflavik, Iceland
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 KEF
- RKV · Reykjavik Airport22 mi away
- GUU · Grundarfjörður Airport72 mi away
- VEY · Vestmannaeyjar Airport81 mi away
- PFJ · Patreksfjörður Airport116 mi away
Frequently asked questions
How far is SMN from KEF?
The flight distance from Salmon (SMN) to Keflavik (KEF) is 3,521 miles (5,666 km, 3,059 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SMN to KEF?
A nonstop flight takes about 7h 22m 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 Keflavik?
Keflavik is 6 hours ahead of Salmon.
What is the cheapest way to fly from SMN to KEF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SMN–KEF that never appear on search engines, with no booking fees.