Home › Flight routes › From Osaka › Osaka to Siem Reap
OSA ✈ SAI

Cheap flights from Osaka to Siem Reap

One-way fares from $222, found recently by travellers. Plus what 5 days in Siem Reap costs once you land.

Cheapest one-way$222VietJet Air · 16 Feb 2027
Quickest flight7h 30m1 stop
Non-stop flightsFewcheapest fares have stops
Cheapest monthFebfrom $222

Cheapest dates we found

One-way economy prices travellers found on Aviasales in the last few days. They change often, so open a fare to see today's price.

Lowest fare by month

Oct 26$285
Nov 26$246
Feb 27$222

Lowest one-way fare seen for each month. Months with no price had no recent searches.

Airlines on this route

Recent cheap fares were with VietJet Air, Peach, HO, Jetstar Japan. Low-cost airlines often charge extra for checked bags and seats, so compare the full price.

When to go to Siem Reap

November to March (dry and cooler). April and May are extremely hot; June to October is the green season.

Money-saving tips for Siem Reap

  • US dollars are used everywhere; small change comes back in Cambodian riel.
  • Hire a tuk-tuk for the day for the Angkor temples and agree the route and price first.
  • Buy the Angkor pass only at the official ticket office or online.

Questions

How much is a flight from Osaka to Siem Reap?

The cheapest one-way fare we found recently was $222 with VietJet Air on 16 Feb 2027. Most of the fares we saw were between $222 and $313 one way. Prices change daily, so open the fare to see today's price.

How long is the flight from Osaka to Siem Reap?

The quickest flight in our recent results took 7h 30m with 1 stop.

Are there direct flights from Osaka to Siem Reap?

The cheapest fares we found all had at least one stop. Non-stop flights may exist at higher prices, so check the flight search.

What is the cheapest month to fly from Osaka to Siem Reap?

In our recent results, February had the lowest fare ($222 one way). This is based on prices other travellers found, not a forecast.

How much money do I need for 5 days in Siem Reap?

About $200 for one backpacker, or $845 for two people travelling mid-range (hotel, food, transport and sights, flights not included). Add about $444 per person for a return flight from Osaka.

More flights from Osaka

Fly to Siem Reap from

Fares are recent prices found by travellers, cached for a few hours. Trip costs are planning estimates checked 2026-10-11. Always confirm the final price when you book. Some links are affiliate links; they never change your price.