Air CambodiaDepart10:15
Wed, Nov 4KOS → HAN
2h 45m · 1 stop
$207one way, per person
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- Cheapest fare
- $207
- Cheapest month
- November
- Direct flights
- Not recently
- Quickest trip
- 2h 40m
Air Cambodia · Wed, Nov 4
from $207
Usually 1+ stop
1,180 km
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Cheapest month to fly from Sihanoukville to Hanoi
Lowest one-way fare per person in each month. Choose a month to see every date.
Cheapest dates in November 2026
The lowest fares we've seen for each day, cheapest first.
See every date in November 2026 →Plan the rest of your trip to Hanoi
Where to stay, what to do and getting around, from our travel partners.
Getting around
About flights from Sihanoukville to Hanoi
Sihanoukville (KOS) and Hanoi (HAN) are about 1,180 km apart. We haven't seen direct fares on this route recently, so expect at least one stop; the quickest journey we've seen takes about 2h 40m. Over the next few months, one-way fares start from $207, and November 2026 is currently the cheapest month to fly.
These prices come from searches travellers made in the last 48 hours, so they move quickly. If you see a good fare, it's worth booking soon. FlightsExp is free to use: you book directly with our travel partner.
Frequently asked questions
How much is a flight from Sihanoukville to Hanoi?
The cheapest one-way fare we've seen recently is $207 with Air Cambodia, departing Wednesday, November 4, 2026. Over the coming months, the lowest fare in each month ranges from $207 to $272.
What is the cheapest month to fly from Sihanoukville to Hanoi?
November 2026 currently has the lowest fares, from $207 one way.
Are there direct flights from Sihanoukville to Hanoi?
We haven't seen direct fares recently, so most journeys include at least one stop.
How long is the flight from Sihanoukville to Hanoi?
The quickest journey we've seen takes about 2h 40m. Sihanoukville and Hanoi are around 1,180 km apart.
Which airlines fly from Sihanoukville to Hanoi?
Recent fares on this route were with Air Cambodia.
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