Cheap Flights from Hanoi to Sihanoukville

Compare Hanoi to Sihanoukville flight deals

Find the cheapest month or even day of the year to fly to Sihanoukville

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Flight deals from Hanoi to Sihanoukville

Looking for a cheap last-minute deal or the best return flight from Hanoi to Sihanoukville? Find the lowest prices on one-way and return tickets right here.

Sihanoukville.$701 per passenger.Departing Sat, 31 May, returning Sun, 8 Jun.Return flight with VietJet Air and Cambodia Angkor Air.Outbound indirect flight with VietJet Air, departs from Hanoi on Sat, 31 May, arriving in Sihanoukville.Inbound indirect flight with Cambodia Angkor Air, departs from Sihanoukville on Sun, 8 Jun, arriving in Hanoi.Price includes taxes and charges.From $701, select.

Sihanoukville.$716 per passenger.Departing Wed, 28 May, returning Sat, 31 May.Return flight with VietJet Air and Cambodia Angkor Air.Outbound indirect flight with VietJet Air, departs from Hanoi on Wed, 28 May, arriving in Sihanoukville.Inbound indirect flight with Cambodia Angkor Air, departs from Sihanoukville on Sat, 31 May, arriving in Hanoi.Price includes taxes and charges.From $716, select.

Sihanoukville.$737 per passenger.Departing Fri, 4 Apr, returning Sun, 6 Apr.Return flight with VietJet Air and Cambodia Angkor Air.Outbound indirect flight with VietJet Air, departs from Hanoi on Fri, 4 Apr, arriving in Sihanoukville.Inbound indirect flight with Cambodia Angkor Air, departs from Sihanoukville on Sun, 6 Apr, arriving in Hanoi.Price includes taxes and charges.From $737, select.

Sihanoukville.$789 per passenger.Departing Sun, 27 Apr, returning Thu, 1 May.Return flight with VietJet Air and Cambodia Angkor Air.Outbound indirect flight with VietJet Air, departs from Hanoi on Sun, 27 Apr, arriving in Sihanoukville.Inbound indirect flight with Cambodia Angkor Air, departs from Sihanoukville on Thu, 1 May, arriving in Hanoi.Price includes taxes and charges.From $789, select.

Find the cheapest month to fly from Hanoi to Sihanoukville

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Hanoi to Sihanoukville flights are currently cheapest in May.

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Hanoi to Sihanoukville: Alternative routes

Compare routes from Hanoi to Sihanoukville below. You may find an airport to fly into that's cheaper, faster, or easier than Sihanoukville.

Hanoi to Sihanoukville: Flight information

The things to know before you go.

Cheapest flight found	$701
Cheapest month to fly	May

Finding cheap flights from Hanoi to Sihanoukville: Frequently asked questions

How much are return flights from Hanoi to Sihanoukville?

The best price we found for a return flight from Hanoi to Sihanoukville is $701. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from Hanoi to Sihanoukville?

Currently, there are no airlines that fly direct from Hanoi to Sihanoukville. But we found flights with one or more stops from $701.

How many flights are there a week from Hanoi to Sihanoukville?

As of April 2025, there are no flights flying from Hanoi to Sihanoukville.

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

The cheapest month to fly from Hanoi to Sihanoukville is usually April 2025.

Which upcoming date is cheapest to fly from Hanoi Airport to Sihanoukville Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Hanoi Airport to Sihanoukville Airport on Saturday, 31 May 2025.

Can I get a direct flight from Hanoi Airport to Sihanoukville Airport?

No airlines currently offer direct flights between Hanoi Airport and Sihanoukville Airport. Most routes have one or more stops.

How can I find the best flight deal to Sihanoukville?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Sihanoukville but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Sihanoukville?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Sihanoukville is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Hanoi Airport to Sihanoukville with?

Currently, VietJet Air offers the cheapest flight tickets to Sihanoukville.

Travelling from Noi Bai International Airport (HAN) to Sihanouk International Airport (KOS): what you need to know

During popular months like July, you'll want to get to the airport well in advance. Plan to arrive two hours before domestic departures and four hours ahead of international flights when you travel during a peak period in general.
If you want to visit another city along the way, search for a flight with a stopover. To see your options for flights from Noi Bai International Airport to Sihanouk International Airport, uncheck 'Direct flights only.' Tan Son Nhat International Airport is a well-known stop between HAN and KOS.
Before reserving your cheap ticket from HAN to KOS, check if you need a visa to enter Cambodia. Visa and travel document requirements can vary and are updated often. To get the latest information, contact the nearest consulate or embassy of the country you're travelling to.

How to find the cheapest flights from Noi Bai International Airport (HAN) to Sihanouk International Airport (KOS)

The best price we've seen for a one-way ticket from Noi Bai International Airport to Sihanouk International Airport is $195. The cheapest price for a return flight is $701. Bear in mind that fares could change due to availability when booking.
It's a good idea to book as early as possible if you're hoping to get cheap flight tickets from HAN to KOS. That's because flight prices are based on demand, which tends to increase closer to the date of departure.
The 'Whole month' search tool shows you the cheapest tickets from Noi Bai International Airport to Sihanouk International Airport across the entire month. It's a good way to find a bargain if your travel plans are flexible.
Getting a cheap ticket from HAN to KOS is straightforward with Price Alerts. Simply set up one of these automatic alerts and we'll notify you when there's a better deal.
Use filters to tailor your flights from Noi Bai International Airport to Sihanouk International Airport. Select your ideal arrival and departure times, airlines and number of stops. Alternatively, sort your results by 'Cheapest' to get the best deals.

Handy information about Noi Bai International Airport (HAN)

The journey from central Hanoi to Noi Bai International Airport takes approximately 1 hour and 56 minutes by public transport. If you ride-share, drive or take a cab, you'll cover the 26 kilometres in 35 minutes or so, depending on traffic.
Want a relaxed start to your break? Stay near HAN. Whether you're catching an early flight from Noi Bai International Airport to Sihanouk International Airport or just don't want to be rushed, these stays are the answer:

Arriving at Sihanouk International Airport (KOS)

Consider checking in to Sihanouk City View Condominium after your flight from Noi Bai International Airport to Sihanouk International Airport. It's not too far from KOS and a good option if you'd like to relax as soon as possible.

Getting from Sihanouk International Airport (KOS) to central Sihanoukville

Sihanouk International Airport is approximately 24 kilometres from the centre of Sihanoukville. With a car rental or if you're catching a cab, the drive is about 45 minutes.

When to fly to Sihanouk International Airport (KOS)

It's time to choose your dates for your flight from Noi Bai International Airport to Sihanouk International Airport. August is the busiest month to visit Sihanoukville. If you want a quieter vibe, go in April.
The warmest month in Sihanoukville is May, with temperatures ranging between 25ºC and 31ºC. Book your flights from Noi Bai International Airport to Sihanouk International Airport in this month if you like this kind of weather.
Look for cheap flight tickets from HAN to KOS in January if you like cooler conditions. Temperatures are at their lowest then, ranging between 23ºC and 29ºC on average.

More about Sihanoukville

Start your Sihanoukville trip right by finding an amazing place to stay. As soon as you've booked your flight from HAN to KOS, explore our selection of hotel options including:
There are so many things to discover in this city it can be tricky to know where to start. Ochheuteal Beach, Wat Leu Temple and Wat Krom Temple are top sights which should feature on any good Sihanoukville itinerary.

Complete your Sihanoukville trip with hotels and a car rental

Once you've secured your cheap ticket to Sihanouk International Airport, check out the lowest prices and exclusive offers on hotels. You can also compare hundreds of car rental companies in one go to find the best car rental price for your Sihanoukville escape.