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KOS to HAN: distance & flight time
Sihanoukville (Sihanoukville International Airport) → Hanoi (Noi Bai International Airport)
749 mi
1,206 km · 651 nm
2h 6m
estimated nonstop flight time
Same time
time difference · heading north
See live KOS→HAN 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
- HAN — Noi Bai International Airport · Hanoi, 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 HAN
- HPH · Cat Bi International Airport65 mi away
- SQH · Na-San Airport114 mi away
- NEU · Sam Neua Airport125 mi away
Frequently asked questions
How far is KOS from HAN?
The flight distance from Sihanoukville (KOS) to Hanoi (HAN) is 749 miles (1,206 km, 651 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from KOS to HAN?
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.
Are there nonstop flights from KOS to HAN?
Nonstop service on KOS–HAN 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 2h 6m nonstop estimate.
What is the cheapest way to fly from KOS to HAN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on KOS–HAN that never appear on search engines, with no booking fees.
Why are some KOS to HAN fares phone-only?
Consolidator contracts let us sell certain KOS–HAN 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.