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KOS to DIN: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Dienbienphu (Dien Bien Phu Airport)
749 mi
1,205 km · 651 nm
2h 6m
estimated nonstop flight time
Same time
time difference · heading north
See live KOS→DIN fares Phone-only fares on this route — call free
Flight time details
749 miles nonstop takes roughly 2h 6m gate to gate, flying north. 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
- KOS — Sihanoukville International Airport · Sihanoukville, Cambodia
- DIN — Dien Bien Phu Airport · Dienbienphu, Vietnam
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 DIN
- SQH · Na-San Airport67 mi away
- PCQ · Boun Neau Airport73 mi away
- ODY · Oudomsay Airport82 mi away
- NEU · Sam Neua Airport96 mi away
Frequently asked questions
How far is KOS from DIN?
The flight distance from Sihanoukville (KOS) to Dienbienphu (DIN) is 749 miles (1,205 km, 651 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to DIN?
A nonstop flight takes about 2h 6m 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 KOS to DIN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–DIN that never appear on search engines, with no booking fees.