Cheap Flights from Sihanoukville to Hanoi from P19,677

Compare Sihanoukville to Hanoi flight deals

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

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Flight deals from Sihanoukville to Hanoi

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

Hanoi.P19,677 per passenger.Departing Sun, 16 Mar, returning Sun, 23 Mar.Return flight with AirAsia and BatikAir Malaysia.Outbound indirect flight with AirAsia, departs from Sihanoukville on Sun, 16 Mar, arriving in Hanoi.Inbound indirect flight with BatikAir Malaysia, departs from Hanoi on Sun, 23 Mar, arriving in Sihanoukville.Price includes taxes and charges.From P19,677, select.

Hanoi.P30,769 per passenger.Departing Sun, 30 Mar, returning Tue, 15 Apr.Return flight with Cambodia Angkor Air and VietJet Air.Outbound indirect flight with Cambodia Angkor Air, departs from Sihanoukville on Sun, 30 Mar, arriving in Hanoi.Inbound indirect flight with VietJet Air, departs from Hanoi on Tue, 15 Apr, arriving in Sihanoukville.Price includes taxes and charges.From P30,769, select.

Hanoi.P35,500 per passenger.Departing Sun, 24 Aug, returning Wed, 27 Aug.Return flight with Cambodia Angkor Air and Vietnam Airlines.Outbound indirect flight with Cambodia Angkor Air, departs from Sihanoukville on Sun, 24 Aug, arriving in Hanoi.Inbound indirect flight with Vietnam Airlines, departs from Hanoi on Wed, 27 Aug, arriving in Sihanoukville.Price includes taxes and charges.From P35,500, select.

Find the cheapest month to fly from Sihanoukville to Hanoi

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

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Sihanoukville to Hanoi: Alternative routes

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

Sihanoukville to Hanoi: Flight information

The things to know before you go.

Cheapest flight found	P19,677
Cheapest month to fly	March

Finding cheap flights from Sihanoukville to Hanoi: Frequently asked questions

How much are return flights from Sihanoukville to Hanoi?

The best price we found for a return flight from Sihanoukville to Hanoi is P19,677. 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 Sihanoukville to Hanoi?

Currently, there are no airlines that fly direct from Sihanoukville to Hanoi. But we found flights with one or more stops from P19,677.

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

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

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

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

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

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sihanoukville Airport to Hanoi Airport on Sunday, 16 March 2025.

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

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

How can I find the best flight deal to Hanoi?

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 Hanoi 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 Hanoi?

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

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

Currently, AirAsia offers the cheapest flight tickets to Hanoi.

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

Travelling during a peak month such as August? Public holidays and other popular periods can result in longer queues and delays at security. Play it safe and arrive up to four hours ahead of an international flight and two hours before a domestic departure.
If you want to have a stopover for your flight from Sihanouk International Airport to Noi Bai International Airport, simply uncheck 'Direct flights only' and look at all your options. These are the popular stopovers between KOS and HAN:
- Kuala Lumpur International Airport
- Tan Son Nhat International Airport
- Siem Reap-Ankor International Airport
Before organising your cheap ticket from KOS to HAN, check whether you need a visa to enter Vietnam. Travel document and visa requirements may differ and are updated frequently. To get the latest information, contact the nearest consulate or embassy of the country you're flying to.

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

The best price we've seen for a one-way ticket from Sihanouk International Airport to Noi Bai International Airport is P9,949. The cheapest price for a return flight is P19,677. Remember that fares may change due to demand at the time of booking.
Don't leave things to the last moment. You're more likely to find cheap tickets from KOS to HAN if you book ahead. Airlines often have some excellent early bird discounts.
The 'Whole month' search function shows you the cheapest tickets from Sihanouk International Airport to Noi Bai International Airport across each month. It's a great way to find a bargain if your dates aren't set in stone.
Sign into your online account or use the app to set up a Price Alert. You'll get notified straight away if there's a cheaper deal on this route. It's easy to do, and it'll save you time searching for cheap tickets from KOS to HAN every day.
Take advantage of filters to find the right journey for you. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Sihanouk International Airport to Noi Bai International Airport, use the 'Sort by' tool. You can also filter by airline, departure and arrival times, and journey duration.

Handy information about Sihanouk International Airport (KOS)

To reach Sihanouk International Airport from central Sihanoukville, it takes around 45 minutes if you're travelling by car. This depends on traffic, however. It's approximately 24 kilometres from the airport to the city centre.
Staying the night at a hotel can take the hassle out of reaching the airport on time. If you need somewhere to stay before your flight from Sihanouk International Airport to Noi Bai International Airport, check out Sihanouk City View Condominium. It's a short drive from KOS.

Arriving at Noi Bai International Airport (HAN)

If you're arriving on a late flight from Sihanouk International Airport to Noi Bai International Airport, few things beat the convenience of staying near the terminal. Grab your bags from the carousel and then be showered and sleeping soon after at one of these hotels near HAN:

Getting from Noi Bai International Airport (HAN) to central Hanoi

From Noi Bai International Airport, Hanoi is approximately 26 kilometres away. It takes around 35 minutes to reach the centre driving.
It takes around 1 hour and 56 minutes if you're using public transport.

When to fly to Noi Bai International Airport (HAN)

The quietest month for a flight from Sihanouk International Airport to Noi Bai International Airport is April, while July is the busiest. Pick the ideal time to visit Hanoi based on whether you prefer a bustling atmosphere or a more laid-back vibe.
The warmest month in Hanoi is June, with the temperature ranging between 25 ºC and 36 ºC. Lock in your flights from Sihanouk International Airport to Noi Bai International Airport in this month if you enjoy this type of weather.
Look for cheap tickets from KOS to HAN in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between 10 ºC and 22 ºC on average.

More about Hanoi

Start your Hanoi trip right by finding a great place to stay. After booking your flight from KOS to HAN, browse our range of accommodation options including:
There are so many things to see and do in this city it can be difficult to know where to start. Hoan Kiem Lake, Temple of Literature and Ho Chi Minh Mausoleum are leading attractions which should be on every Hanoi itinerary.

Complete your Hanoi trip with hotels and a car rental

Once you've secured your cheap ticket to Noi Bai International Airport, discover our low prices and exclusive rates for hotels. You can also compare hundreds of car rental companies in one go to find the best car rental price for your Hanoi holiday.