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HIA to KOS: distance & flight time
Huai An (Lianshui Airport) → Sihanoukville (Sihanoukville International Airport)
1,880 mi
3,025 km · 1,633 nm
4h 9m
estimated nonstop flight time
-1h
time difference · heading southwest
See live HIA→KOS fares Phone-only fares on this route — call free
Flight time details
1,880 miles nonstop takes roughly 4h 9m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- HIA — Lianshui Airport · Huai An, China
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
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 HIA
- LYG · Lianyungang Airport56 mi away
- YNZ · Yancheng Airport67 mi away
- XUZ · Xuzhou Guanyin Airport92 mi away
- YTY · Yangzhou Taizhou Airport92 mi away
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
Frequently asked questions
How far is HIA from KOS?
The flight distance from Huai An (HIA) to Sihanoukville (KOS) is 1,880 miles (3,025 km, 1,633 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HIA to KOS?
A nonstop flight takes about 4h 9m 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 Huai An and Sihanoukville?
Sihanoukville is 1 hour behind Huai An.
What is the cheapest way to fly from HIA to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HIA–KOS that never appear on search engines, with no booking fees.