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DUM to KOS: distance & flight time
Dumai (Pinang Kampai Airport) → Sihanoukville (Sihanoukville International Airport)
638 mi
1,027 km · 554 nm
1h 51m
estimated nonstop flight time
Same time
time difference · heading north
See live DUM→KOS fares Phone-only fares on this route — call free
Flight time details
638 miles nonstop takes roughly 1h 51m 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
- DUM — Pinang Kampai Airport · Dumai, Indonesia
- 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 DUM
- MKZ · Malacca Airport72 mi away
- PKU · Sultan Syarif Kasim Ii (Simpang Tiga) Airport79 mi away
- KUL · Kuala Lumpur International Airport81 mi away
- PPR · Pasir Pangaraan 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 DUM from KOS?
The flight distance from Dumai (DUM) to Sihanoukville (KOS) is 638 miles (1,027 km, 554 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from DUM to KOS?
A nonstop flight takes about 1h 51m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from DUM to KOS?
Nonstop service on DUM–KOS depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 1h 51m nonstop estimate.
What is the cheapest way to fly from DUM to KOS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on DUM–KOS that never appear on search engines, with no booking fees.
Why are some DUM to KOS fares phone-only?
Consolidator contracts let us sell certain DUM–KOS tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.