Need help booking?
Unpublished phone-only deals available
KOS to IDA: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Idaho Falls (Idaho Falls Regional Airport)
8,077 mi
12,999 km · 7,019 nm
16h 18m
estimated nonstop flight time
-13h
time difference · heading northeast
See live KOS→IDA fares Phone-only fares on this route — call free
Flight time details
8,077 miles nonstop takes roughly 16h 18m 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
- IDA — Idaho Falls Regional Airport · Idaho Falls, 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 IDA
- PIH · Pocatello Regional Airport49 mi away
- JAC · Jackson Hole Airport67 mi away
- WYS · Yellowstone Airport94 mi away
- BYI · Burley Municipal Airport109 mi away
Frequently asked questions
How far is KOS from IDA?
The flight distance from Sihanoukville (KOS) to Idaho Falls (IDA) is 8,077 miles (12,999 km, 7,019 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to IDA?
A nonstop flight takes about 16h 18m 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 Idaho Falls?
Idaho Falls is 13 hours behind Sihanoukville.
What is the cheapest way to fly from KOS to IDA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–IDA that never appear on search engines, with no booking fees.