Cheap flights from Tokyo Haneda to Siem Reap Angkor

Compare Tokyo Haneda to Siem Reap Angkor flight deals

Find the cheapest month or even day of the year to fly to Siem Reap Angkor

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Flight deals from Tokyo Haneda to Siem Reap Angkor

Looking for a cheap last-minute deal or the best round-trip flight from Tokyo Haneda Airport to Siem Reap Angkor Airport? If you want to travel next month, round-trip fares start from $577. Find the lowest prices on one-way and round-trip tickets right here.

Find the cheapest month to fly from Tokyo Haneda to Siem Reap Angkor

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Tokyo Haneda to Siem Reap Angkor flights are currently cheapest in July.

Tokyo Haneda to Siem Reap Angkor: Alternative routes

Compare routes from Tokyo Haneda to Siem Reap below. You may find an airport to fly into that's cheaper, faster, or easier than Siem Reap Angkor.

Tokyo to Siem Reap: Flight information

The things to know before you go.
Cheapest flight found$482
Cheapest month to flyAugust

Finding cheap flights from Tokyo Haneda to Siem Reap Angkor: Frequently asked questions

The best price we found for a round-trip flight from Tokyo Haneda to Siem Reap Angkor is $482. 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.
Currently, there are no airlines that fly direct from Tokyo Haneda to Siem Reap Angkor. But we found flights with one or more stops from $482.
There are no flights flying from Tokyo Haneda to Siem Reap Angkor, as of May 2026.
The cheapest month to fly from Tokyo Haneda to Siem Reap Angkor is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Tokyo Haneda Airport to Siem Reap Angkor Airport on Saturday, August 22, 2026.
No airlines currently offer direct flights between Tokyo Haneda Airport and Siem Reap Angkor Airport. Most routes have one or more stops.
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 Siem Reap Angkor 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.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Siem Reap is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Singapore Airlines offers the cheapest flight tickets to Siem Reap Angkor.

Flying from Haneda Airport (HND) to Siem Reap-Ankor International Airport (SAI): what you need to know

  • Siem Reap's timezone is UTC+7, which makes Siem Reap two hours behind Tokyo.

  • For a stress-free journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This will give you plenty of time to catch your HND to SAI flight.

  • Flying during a peak time like April? Public holidays and other high seasons can lead to longer lines at security. Be extra cautious and arrive up to four hours before international flights and two hours before a domestic departure.

  • If you want to explore another city along the way, just deselect 'Direct flights only' when searching for your ticket from Haneda Airport to Siem Reap-Ankor International Airport. These are the most popular stopovers between HND and SAI:

    • Tan Son Nhat International Airport

    • Suvarnabhumi Airport

    • Changi International Airport

How to find the cheapest flights from Haneda Airport (HND) to Siem Reap-Ankor International Airport (SAI)

  • Right now, $225 is the cheapest price we've found for a one-way Haneda Airport to Siem Reap-Ankor International Airport flight. The best price for a return plane ticket is $482. Remember that fares could change due to demand when booking.

  • It's usually smart to book early if you want to find cheap tickets from HND to SAI. That's because flight prices are based on demand, which tends to rise closer to the date of departure.

  • If you're flexible with your trip dates, use the 'Whole month' search tool. It'll find the cheapest price in each month when looking for your flight from Haneda Airport to Siem Reap-Ankor International Airport.

  • You won't have to check every day to find out if fares have dropped when you set up a Price Alert. We'll notify you the moment the price changes on cheap flights from HND to SAI.

  • Tailor your flights using filters. Select your preferred arrival and departure times, airlines and total journey duration. You can also sort the results by 'Best,' 'Fastest' or 'Cheapest' flights from Haneda Airport to Siem Reap-Ankor International Airport.

Handy information about Haneda Airport (HND)

  • The address for HND is 3丁目 Hanedakuko, Ota.

  • 73.52% of flights that leave from Haneda Airport make it to their destination on time.

  • Haneda Airport is around 16 kilometers from central Tokyo. If you're driving, ride-sharing or catching a cab from the center, it'll take you 15 minutes or so to get there, depending on the traffic.

  • Get your break off to a relaxed start by staying near HND. Whether you're catching an early flight from Haneda Airport to Siem Reap-Ankor International Airport or just don't like being rushed, these hotels are perfect:

Arriving at Siem Reap-Ankor International Airport (SAI)

  • After your Haneda Airport to Siem Reap-Ankor International Airport flight has touched down, kick back at a nearby hotel. Chansor Community Homestay 18 is a convenient option that's not too far from SAI.

Getting from Siem Reap-Ankor International Airport (SAI) to central Siem Reap

  • From Siem Reap-Ankor International Airport, Siem Reap is approximately 48 kilometers away. It takes around 1 hour to reach the center driving.

When to fly to Siem Reap-Ankor International Airport (SAI)

  • It's time to pick your travel dates for your flight from Haneda Airport to Siem Reap-Ankor International Airport. April is the most popular month to head to Siem Reap. If you like a more laid-back vibe, go in April.

  • Before locking in your flight from Haneda Airport to Siem Reap-Ankor International Airport, think about the kind of weather you like. March is the warmest month in Siem Reap, with temperatures ranging from 22ºC (72ºF) to 38ºC (100ºF).

  • If you want to travel in cooler conditions, look for a cheap ticket from HND to SAI in January. Average temperatures are between 18ºC (64ºF) and 33ºC (91ºF) then.

Explore more of Cambodia

  • Siem Reap has plenty going for it, but there are so many other corners of Cambodia just waiting to be explored. About 225 kilometers south-east of Siem Reap, a trip to Phnom Penh will keep your itinerary busy. Check out popular attractions like Royal Palace, Tuol Sleng Genocide Museum and Wat Phnom.

  • Around 306 kilometers south of Siem Reap, Sihanoukville is another favorite stop in Cambodia. Experience this destination's highlights firsthand at Ochheuteal Beach, Wat Leu Temple and Wat Krom Temple.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.