£309 Cheap Flights from Sihanoukville (KOS) to Tokyo (NRT)

View £309 flight on Mon, 8 Dec 2025Opens in a new window

Popular airlines from Sihanoukville (KOS) to Narita Intl. Airport (NRT)

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Cheap Flights from Sihanoukville (KOS) to Tokyo (NRT)

Prices were available within the past 7 days and start at £309 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flight from Sihanoukville to Tokyo route information
Origin airport
Sihanoukville
Destination airport
Narita Intl.
Distance
4611 km

Compare flights from Sihanoukville to Tokyo easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Sihanoukville to Tokyo. Operating between them flights per day, 3 airlines cover the route. And fly direct, getting you to Narita Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Sihanoukville to Narita Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Sihanoukville (KOS) to Narita Intl. (NRT)

The easiest way to view the best deals on flights from Sihanoukville to Tokyo today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Sihanoukville to Narita Intl. start at just and range up to .  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Sihanoukville and Tokyo
  • booking your flight during , the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Sihanoukville to Tokyo flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Sihanoukville to Narita Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Sihanoukville Airport (KOS) to Tokyo Narita Airport?
Start packing your suitcase, because round-trip journeys between KOS and NRT start from . That's based on airfares available within the last 7 days on Expedia for flights departing within the next year. Prices can change quickly, so book now to get the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sihanouk Intl. Airport to Narita Intl. Airport (NRT)?
Most flights can be cancelled online, but whether you are charged a fee all comes down to your airline. If you do have to cancel your holiday, follow the instructions in the Customer Service Portal.
How do I find cheap flights from Sihanouk Intl. Airport to Tokyo Narita Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Sihanouk Intl. Airport to Narita Intl. Airport (NRT) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Sihanoukville Airport (KOS) to Narita Intl. Airport (NRT)?
Preah Sihanouk to Narita is around 4,600 kilometres, so get ready to spend a while in the air. Don't forget to pack all the essentials, from your toothbrush to your hairbrush. Take a couple of snacks to munch on throughout your flight too.
Which airlines fly direct from KOS to Tokyo Narita Airport?
Unfortunately, there are no airlines that fly direct between Sihanouk Intl. Airport and NRT. You'll need to book a flight with one or more stops.
Are KOS to Narita Intl. Airport (NRT) flight tickets cheaper when they're purchased at the last minute?
Tickets from KOS to Narita Intl. Airport (NRT) are available up to 12 months prior to departure on Expedia. And although you may occasionally pick up fantastic last-minute deals, it's never something you can count on. Also, booking your flights in advance means you'll have more options — and you can avoid getting stuck in the dreaded middle seat! We regularly update our fares to make sure you get the biggest bargains, so keep checking in for all the latest specials.

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