Need help booking?
Unpublished phone-only deals available
HHQ to KOS: distance & flight time
Prachuap Khiri Khan (Hua Hin Airport) → Sihanoukville (Sihanoukville International Airport)
287 mi
462 km · 249 nm
1h 13m
estimated nonstop flight time
Same time
time difference · heading southeast
See live HHQ→KOS fares Phone-only fares on this route — call free
Flight time details
287 miles nonstop takes roughly 1h 13m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- HHQ — Hua Hin Airport · Prachuap Khiri Khan, Thailand
- 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 HHQ
- UTP · U-Tapao International Airport71 mi away
- BKK · Suvarnabhumi Airport90 mi away
- MGZ · Myeik Airport91 mi away
- DMK · Don Mueang International Airport99 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 HHQ from KOS?
The flight distance from Prachuap Khiri Khan (HHQ) to Sihanoukville (KOS) is 287 miles (462 km, 249 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HHQ to KOS?
A nonstop flight takes about 1h 13m 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 cheapest way to fly from HHQ to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HHQ–KOS that never appear on search engines, with no booking fees.