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PRH to KOS: distance & flight time
Phrae (Phrae Airport) → Sihanoukville (Sihanoukville International Airport)
571 mi
919 km · 496 nm
1h 42m
estimated nonstop flight time
Same time
time difference · heading southeast
See live PRH→KOS fares Phone-only fares on this route — call free
Flight time details
571 miles nonstop takes roughly 1h 42m 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
- PRH — Phrae Airport · Phrae, 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 PRH
- LPT · Lampang Airport44 mi away
- NNT · Nan Airport62 mi away
- THS · Sukhothai Airport66 mi away
- CNX · Chiang Mai International Airport90 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 PRH from KOS?
The flight distance from Phrae (PRH) to Sihanoukville (KOS) is 571 miles (919 km, 496 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PRH to KOS?
A nonstop flight takes about 1h 42m 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 PRH to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PRH–KOS that never appear on search engines, with no booking fees.