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KEF to BOI: distance & flight time
Keflavik (Keflavik International Airport) → Boise (Boise Air Terminal/Gowen Field)
3,674 mi
5,913 km · 3,193 nm
7h 40m
estimated nonstop flight time
-6h
time difference · heading northwest
See live KEF→BOI fares Phone-only fares on this route — call free
Flight time details
3,674 miles nonstop takes roughly 7h 40m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- KEF — Keflavik International Airport · Keflavik, Iceland
- BOI — Boise Air Terminal/Gowen Field · Boise, 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 KEF
- RKV · Reykjavik Airport22 mi away
- GUU · Grundarfjörður Airport72 mi away
- VEY · Vestmannaeyjar Airport81 mi away
- PFJ · Patreksfjörður Airport116 mi away
Near BOI
- MUO · Mountain Home Air Force Base40 mi away
- ONO · Ontario Municipal Airport50 mi away
- MYL · McCall Municipal Airport92 mi away
- SUN · Friedman Memorial Airport97 mi away
Frequently asked questions
How far is KEF from BOI?
The flight distance from Keflavik (KEF) to Boise (BOI) is 3,674 miles (5,913 km, 3,193 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KEF to BOI?
A nonstop flight takes about 7h 40m 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 Keflavik and Boise?
Boise is 6 hours behind Keflavik.
What is the cheapest way to fly from KEF to BOI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KEF–BOI that never appear on search engines, with no booking fees.