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MSO to KEF: distance & flight time
Missoula (Missoula International Airport) → Keflavik (Keflavik International Airport)
3,425 mi
5,511 km · 2,976 nm
7h 11m
estimated nonstop flight time
+6h
time difference · heading northeast
See live MSO→KEF fares Phone-only fares on this route — call free
Flight time details
3,425 miles nonstop takes roughly 7h 11m 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
- MSO — Missoula International Airport · Missoula, 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 MSO
- FCA · Glacier Park International Airport97 mi away
- BTM · Bert Mooney Airport101 mi away
- HLN · Helena Regional Airport102 mi away
- SMN · Lemhi County 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 MSO from KEF?
The flight distance from Missoula (MSO) to Keflavik (KEF) is 3,425 miles (5,511 km, 2,976 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from MSO to KEF?
A nonstop flight takes about 7h 11m 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 Missoula and Keflavik?
Keflavik is 6 hours ahead of Missoula.
What is the cheapest way to fly from MSO to KEF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on MSO–KEF that never appear on search engines, with no booking fees.