Cheap flights from Osaka Kansai Intl Airport to Southeast Asia from $103

The month of August is, on average, the cheapest month to fly to Southeast Asia from Osaka Kansai Intl Airport, with most prices found around $245. If you don’t want to visit Southeast Asia in August, then you should wait until June to fly from Osaka Kansai Intl Airport, when ticket prices are also cheap, with an average price of $255.

The cheapest day to depart from Osaka Kansai Intl Airport to Southeast Asia is on a Wednesday when prices can be found for as low as $742. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $918. These prices are subject to change though, so be sure to set up a Price Alert for flights to Southeast Asia.

In the evening is the cheapest time of day to fly from Osaka Kansai Intl Airport to Southeast Asia when you can find flight prices for as low as $358. Flying to Southeast Asia in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around $866. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Osaka Kansai Intl to Manila Ninoy Aquino Intl for the best Osaka Kansai Intl - Southeast Asia flight prices

You are more likely to see cheaper flights to Southeast Asia from Osaka Kansai Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Southeast Asia for around $336 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Southeast Asia from Osaka Kansai Intl Airport for as low as $231 on momondo.

There are 3 cabin classes available to choose from on Osaka Kansai Intl to Southeast Asia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Peach, Shandong Airlines, and Jetstar Japan are the most popular carriers operating from Osaka Kansai Intl to Southeast Asia

Thai AirAsia X, Cebu Pacific and Philippines AirAsia are the top three most popular airlines that fly to Southeast Asia from Osaka Kansai Intl Airport according to our data. Thai AirAsia X is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Southeast Asia. Keep in mind that there are 10 different airlines that fly to Southeast Asia on a routine basis, so you have a few additional options to choose from.

52 flights are operational daily from Osaka Kansai Intl Airport to Southeast Asia as of April 2026. The most popular departure time for this route is 10:00AM, with 33% of flights per day taking off at noon.

As of April 2026, 364 flights take off from Osaka Kansai Intl Airport and land in Southeast Asia each week. The most common flight departure day for this route is Wed, with 15% of weekly flights taking off on this day.