There are most likely no direct flights on the Sihanoukville — Hanoi route
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In different months, ticket prices from Sihanoukville to Hanoi vary: minimum — $237 (December 2026), maximum — $264 (April 2027). Typically, the flight costs $243–$246.
A non-stop flight is the most convenient and comfortable way to fly from Sihanoukville to Hanoi, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
Flight prices from Sihanoukville to Hanoi barely change from month to month. You can comfortably choose any convenient dates — there won't be a significant overpayment.
There is a slight difference: it's a bit cheaper in November 2026–December 2026 (averaging $238) and slightly more in January 2027–April 2027 ($253). But overall, the difference is small.
On this route, you don't need to target specific months — prices are stable. The difference between the cheapest and most expensive period is only 6%. Book whenever it's convenient.
Monthly price variation is just 4.3%. Ticket costs on this route are among the most predictable.
There are most likely no direct flights on the Sihanoukville — Hanoi route
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There appear to be no non-stop flights from Sihanoukville to Hanoi at this time.... Well, or something went wrong on our side and we couldn't find anything
starting at $179
starting at $247
The Sihanoukville — Hanoi route is served by multiple airlines, including Cambodia Angkor Air and SiAvia. This is convenient for those who want the best balance of price, schedule, and travel conditions. Tickets start from $179, and depending on season and promotions, even better deals may appear. With our service, you can easily compare available options and book tickets that match your plans. The variety of carriers allows flexible choices and comfortable travel without overpaying.
The cheapest flight ticket from Sihanoukville to Hanoi according to data for the last 48 hours costs $179
Often the best time to buy tickets from Sihanoukville to Hanoi is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Sihanoukville to Hanoi can be found flying in these months: December, November, January.
The fastest flights from Sihanoukville to Hanoi start from 8 hours 5 minutes in the air.
The following airlines operate direct flights on the route Sihanoukville — Hanoi:
The cheapest one-way flight from Sihanoukville to Hanoi departs on 10/25/2026, is operated by Cambodia Angkor Air and costs $179
There is no information about the cheapest roundtrip flight from Sihanoukville to Hanoi
Fastest flight from Sihanoukville to Hanoi takes 8h 5m
There are no direct flights on this route.
The distance between Sihanoukville and Hanoi is 1182km (733 miles). Sihanoukville and Hanoi are in the same time zone
We couldn't find any special offers for flights from Sihanoukville to Hanoi
