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Cheap Flights from Osaka to Siem Reap–Angkor

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Compare Osaka 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 Osaka to Siem Reap–Angkor

Looking for a cheap last-minute deal or the best return flight from Osaka to Siem Reap–Angkor ? Find the lowest prices on one-way and return tickets right here.
Siem Reap.378 € per passenger.Departing Tue, 24 Jun, returning Tue, 1 Jul.Return flight with VietJet Air.Outbound indirect flight with VietJet Air, departs from Kansai International (Osaka) on Tue, 24 Jun, arriving in Siem Reap–Angkor .Inbound indirect flight with VietJet Air, departs from Siem Reap–Angkor on Tue, 1 Jul, arriving in Kansai International (Osaka).Price includes taxes and charges.From 378 €, select.
Siem Reap.382 € per passenger.Departing Wed, 16 Jul, returning Sun, 20 Jul.Return flight with Thai AirAsia X and Thai AirAsia.Outbound indirect flight with Thai AirAsia X, departs from Kansai International (Osaka) on Wed, 16 Jul, arriving in Siem Reap–Angkor .Inbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Sun, 20 Jul, arriving in Kansai International (Osaka).Price includes taxes and charges.From 382 €, select.
Siem Reap.382 € per passenger.Departing Fri, 16 May, returning Mon, 19 May.Return flight with Thai AirAsia X and Thai AirAsia.Outbound indirect flight with Thai AirAsia X, departs from Kansai International (Osaka) on Fri, 16 May, arriving in Siem Reap–Angkor .Inbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Mon, 19 May, arriving in Kansai International (Osaka).Price includes taxes and charges.From 382 €, select.
Siem Reap.383 € per passenger.Departing Mon, 1 Sep, returning Fri, 5 Sep.Return flight with Thai AirAsia X and Thai AirAsia.Outbound indirect flight with Thai AirAsia X, departs from Kansai International (Osaka) on Mon, 1 Sep, arriving in Siem Reap–Angkor .Inbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Fri, 5 Sep, arriving in Kansai International (Osaka).Price includes taxes and charges.From 383 €, select.
Siem Reap.383 € per passenger.Departing Fri, 30 May, returning Sun, 15 Jun.Return flight with Thai AirAsia X and Thai AirAsia.Outbound indirect flight with Thai AirAsia X, departs from Kansai International (Osaka) on Fri, 30 May, arriving in Siem Reap–Angkor .Inbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Sun, 15 Jun, arriving in Kansai International (Osaka).Price includes taxes and charges.From 383 €, select.
Siem Reap.384 € per passenger.Departing Fri, 20 Jun, returning Mon, 23 Jun.Return flight with VietJet Air.Outbound indirect flight with VietJet Air, departs from Kansai International (Osaka) on Fri, 20 Jun, arriving in Siem Reap–Angkor .Inbound indirect flight with VietJet Air, departs from Siem Reap–Angkor on Mon, 23 Jun, arriving in Kansai International (Osaka).Price includes taxes and charges.From 384 €, select.
Siem Reap.395 € per passenger.Departing Sun, 12 Oct, returning Mon, 13 Oct.Return flight with VietJet Air.Outbound indirect flight with VietJet Air, departs from Kansai International (Osaka) on Sun, 12 Oct, arriving in Siem Reap–Angkor .Inbound indirect flight with VietJet Air, departs from Siem Reap–Angkor on Mon, 13 Oct, arriving in Kansai International (Osaka).Price includes taxes and charges.From 395 €, select.
Siem Reap.397 € per passenger.Departing Wed, 16 Jul, returning Wed, 6 Aug.Return flight with Thai AirAsia X and AirAsia.Outbound indirect flight with Thai AirAsia X, departs from Kansai International (Osaka) on Wed, 16 Jul, arriving in Siem Reap–Angkor .Inbound indirect flight with AirAsia, departs from Siem Reap–Angkor on Wed, 6 Aug, arriving in Kansai International (Osaka).Price includes taxes and charges.From 397 €, select.

Find the cheapest month to fly from Osaka to Siem Reap–Angkor

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Osaka to Siem Reap–Angkor flights are currently cheapest in May.
May
from 382 €
Jun
from 384 €
Jul
from 382 €
Aug
from 405 €
Sep
from 383 €
Oct
from 395 €
Nov
from 443 €
Dec
from 470 €
Jan
from 409 €
Feb
from 404 €
Mar
from 541 €
Apr
from 592 €

Osaka to Siem Reap–Angkor : Alternative routes

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

Osaka to Siem Reap: Flight information

The things to know before you go.
Cheapest flight found378 €
Cheapest month to flyJune

Finding cheap flights from Osaka to Siem Reap–Angkor : Frequently asked questions

The best price we found for a return flight from Osaka to Siem Reap–Angkor is 378 €. 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 Osaka to Siem Reap–Angkor . But we found flights with one stop from 378 €.
As of May 2025, there are no flights flying from Osaka to Siem Reap–Angkor .
The cheapest month to fly from Osaka to Siem Reap–Angkor is usually May 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Osaka to Siem Reap–Angkor Airport on Tuesday, 24 June 2025.
No airlines currently offer direct flights between Osaka and Siem Reap–Angkor Airport. Most routes have one or more stops.
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.
The cheapest airline that flies to Siem Reap–Angkor is VietJet Air .

Travelling from Osaka to Siem Reap-Ankor International Airport (SAI): what you need to know

  • Planning your trip starts with figuring out where you'll leave from in Osaka. Kansai International Airport (KIX) is the city's main base, so check out your options for booking a flight from Osaka to Siem Reap-Ankor International Airport (SAI) departing from here.

  • Siem Reap-Ankor International Airport is located in Siem Reap. The city operates in the UTC+7 timezone and is 2 hours behind Osaka.

  • Leave plenty of time to get on your flight from Osaka to SAI. As a general rule, arrive two hours before international departures and an hour ahead for domestic flights.

  • Flying during a popular month like June? Public holidays and other popular seasons can mean longer lines at security. Be extra cautious and arrive up to four hours ahead of international flights and two hours before domestic departures.

Airports in Osaka

Kansai International Airport (KIX)

  • Think about adding a stopover to potentially save money on your flight from Osaka to SAI. Just uncheck 'Direct flights only' when browsing departures from Kansai International Airport (KIX). Break up the journey at one of these popular airports:

    • Changi International Airport (SIN)

    • Tan Son Nhat International Airport (SGN)

    • Suvarnabhumi Airport (BKK)

  • From the centre of Osaka, KIX is approximately 48 kilometres away. Use navigation apps or check the official airport website to find the best way to reach the terminal.

  • Catching an early flight from Osaka to Siem Reap-Ankor International Airport? Avoid the last-minute rush to the terminal (and sneak in some extra snooze time) by picking one of these stays near Kansai International Airport:

About Siem Reap-Ankor International Airport (SAI)

  • Consider checking in to Chansor Community Homestay 18 after your flight from Osaka to Siem Reap-Ankor International Airport. It's a quick drive from SAI and a great option if you're eager to relax as soon as possible.

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

  • Siem Reap-Ankor International Airport to the centre of Siem Reap is about 59 minutes in a car. It's approximately 48 kilometres away. See what options are available, such as cabs, car rentals or ride-sharing.

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

  • The lowest price we've seen for a one-way ticket from Osaka to Siem Reap-Ankor International Airport is 177 €. The cheapest price for a return flight is 378 €. Remember fares may change due to availability at the time of booking.

  • Don't leave everything to the last minute. You're more likely to get cheap tickets from Osaka to SAI if you book ahead. Airlines often offer some amazing early bird discounts.

  • The 'Whole month' search function shows you the cheapest tickets from Osaka to Siem Reap-Ankor International Airport across the entire month. It's a great way to snap up a bargain if your trip dates are flexible.

  • Sign into your online account or use the app to set up a Price Alert. We'll notify you right away if there's an incredible deal on this route. It's easy to do, and it'll save you the hassle of looking for a cheap ticket from Osaka to SAI every day.

  • Play around with the filters to find your ideal trip. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Osaka to Siem Reap-Ankor International Airport, use the 'Sort by' tool. You can also filter by airline, departure and arrival times, and number of stops.

The best time to fly from Osaka to Siem Reap-Ankor International Airport (SAI)

  • August is the most popular month for flights from Osaka to Siem Reap-Ankor International Airport. To steer clear of the crowds, head to Siem Reap in April when things are quieter.

  • Lock in your flight from Osaka to SAI for March if you're eager to visit the city during its warmest month. Expect temperatures in Siem Reap to range from 22ºC to 38ºC.

  • Look for cheap flights from Osaka to Siem Reap-Ankor International Airport in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 18ºC and 33ºC on average.

More about Siem Reap

  • When it comes to searching for somewhere to lay your head, you'll find the best stays in Siem Reap right here. Explore these hotels after you've booked your flight from Osaka to Siem Reap-Ankor International Airport:

  • Bayon Temple and Angkor Thom are a couple of major attractions to add to your Siem Reap itinerary. Keep the sightseeing going at Pub Street.

Complete your Siem Reap trip with a car rental

  • Finding you a cheap flight from Osaka to Siem Reap-Ankor International Airport isn't our only cool trick. Check out our car rentals in Siem Reap and travel at your own pace. We search for deals from trusted car rental companies and put them all in one place. You can instantly compare offers and then book with no fees.

Plan the rest of your trip from Osaka to Siem Reap

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