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KOS to BOI: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Boise (Boise Air Terminal/Gowen Field)
7,935 mi
12,771 km · 6,896 nm
16h 2m
estimated nonstop flight time
-13h
time difference · heading northeast
See live KOS→BOI fares Phone-only fares on this route — call free
Flight time details
7,935 miles nonstop takes roughly 16h 2m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 13-hour time set-back when reading arrival times on your ticket.
The two airports
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
- 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 KOS
- PQC · Phu Quoc International Airport37 mi away
- PNH · Phnom Penh International Airport106 mi away
- VKG · Rach Gia Airport110 mi away
- KZC · Kampong Chhnang Airport132 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 KOS from BOI?
The flight distance from Sihanoukville (KOS) to Boise (BOI) is 7,935 miles (12,771 km, 6,896 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to BOI?
A nonstop flight takes about 16h 2m 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 Sihanoukville and Boise?
Boise is 13 hours behind Sihanoukville.
What is the cheapest way to fly from KOS to BOI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–BOI that never appear on search engines, with no booking fees.