Need help booking?

Unpublished phone-only deals available

KOS to HLT: distance & flight time

Sihanoukville (Sihanoukville International Airport) → Hamilton (Hamilton Airport)

4,157 mi
6,690 km · 3,612 nm
8h 37m
estimated nonstop flight time
+3h
time difference · heading southeast
See live KOSHLT fares Phone-only fares on this route — call free

Flight time details

4,157 miles nonstop takes roughly 8h 37m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time gain when reading arrival times on your ticket.

The two airports

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.

Frequently asked questions

How far is KOS from HLT?

The flight distance from Sihanoukville (KOS) to Hamilton (HLT) is 4,157 miles (6,690 km, 3,612 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from KOS to HLT?

A nonstop flight takes about 8h 37m 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 Hamilton?

Hamilton is 3 hours ahead of Sihanoukville.

What is the cheapest way to fly from KOS to HLT?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–HLT that never appear on search engines, with no booking fees.
Keep exploring:HLT to KOS Airports near KOS Airports near HLT Time difference KOSHLT Distance calculator