Cheap Flights from Hanoi to Sihanoukville Starting at $156

Helping travelers to find the best flight offers

Cheapest flights from Hanoi to Sihanoukville

Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Hanoi to Sihanoukville. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.

Cheapest one way flight

$156

VietjetAir
VietjetAir
1 transfer
1d 5h 35m
06/07/2025

The cheapest one-way flight from Hanoi to Sihanoukville departs on 06/07/2025, is operated by VietjetAir and costs $156

Cheapest round trip flight

$420

VietjetAir
VietjetAir
2 transfers
2d 10h 15m
10/22/2025

The cheapest roundtrip flight from Hanoi to Sihanoukville departs on 10/22/2025, is operated by VietjetAir and costs $420

The fastest flight

20h 30m

Fastest flight from Hanoi to Sihanoukville takes 20h 30m

Direct flights

No direct flights

There are no direct flights on this route.

Distance

1201km

Timezone difference

0h

The distance between Hanoi and Sihanoukville is 1201km (745 miles). Hanoi and Sihanoukville are in the same time zone.

See also:

Cheap flights to Cambodia

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Direct flights airfares to Sihanoukville

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Cheapest air tickets to Hanoi

Airfare from Hanoi to Sihanoukville by month

We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Hanoi to Sihanoukville

January 2026
Lowest price
on average:
$181
June 2025
Highest price
on average:
$227
  • Avg Price

Airlines operating on route

Below you will find a list of airlines operating flights on the Hanoi — Sihanoukville route and the starting prices for flights of each specific airline on it.

AirAsia
AirAsia

Starting at $148

VietjetAir
VietjetAir

Starting at $153

Direct Flights from Hanoi to Sihanoukville

A direct flight is the most convenient and comfortable way to fly from Hanoi to Sihanoukville, despite the fact that sometimes flights with transfers can cost significantly less.

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There appear to be no direct flights from Hanoi to Sihanoukville at this time.... Well, or something went wrong on our side and we couldn't find anything

Schedule of direct flights from Hanoi to Sihanoukville

A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Hanoi to Sihanoukville:

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Unable to find information about the schedule of direct flights from

Hanoi airports overview

HAN
Noi Bai International Airport
VietjetAir
AirAsia
Airlines flying to this airport
$148
Starting at
$169
on average

Sihanoukville airports overview

KOS
Sihanouk International Airport
VietjetAir
AirAsia
Airlines flying to this airport
$148
Starting at
$169
on average

Frequently asked questions (FAQ)

Answers to questions about the route that travelers are most interested in.

How much is the cheapest flight ticket from Hanoi to Sihanoukville?

The cheapest flight ticket from Hanoi to Sihanoukville according to data for the last 48 hours costs $156

When is the best time to buy air tickets on the route Hanoi — Sihanoukville?

Often the best time to buy tickets from Hanoi to Sihanoukville is 2 months before departure.

When is the cheapest time of year to fly from Hanoi to Sihanoukville?

Based on statistics over the past years, the lowest prices for flights from Hanoi to Sihanoukville can be found flying in these months: January, June.

How long does it take to fly from Hanoi to Sihanoukville?

The fastest flights from Hanoi to Sihanoukville start from 20 hours 30 minutes in the air.

Which airline can fly direct from Hanoi to Sihanoukville?

The following airlines operate direct flights on the route Hanoi — Sihanoukville:

Special offers and sales on air tickets from Hanoi to Sihanoukville

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.

Alternative routes

Xingyi ➜ Sihanoukville•Beihai ➜ Sihanoukville•Haiphong ➜ Sihanoukville•Liuzhou ➜ Sihanoukville•Nanning ➜ Sihanoukville•Thanh Hoa ➜ Sihanoukville•Dong Hoi ➜ Sihanoukville•Vientiane ➜ Sihanoukville•Zhongshan ➜ Sihanoukville•Zhanjiang ➜ Sihanoukville•Hanoi ➜ Bangkok•Hanoi ➜ Kota Bharu•Hanoi ➜ Nakhon Si Thammarat•Hanoi ➜ Phnom Penh•Hanoi ➜ Siem Reap•Hanoi ➜ Ho Chi Minh City•Hanoi ➜ Surat Thani•Hanoi ➜ Can Tho•Hanoi ➜ Rach Gia