Cheap flights from Tokyo to Southeast Asia from C$ 136

The cheapest month to fly to Southeast Asia from Tokyo is in September. Flight prices, which tend to average around C$ 255, are often lower during this time because this is during the off-season. If you don’t want to visit Southeast Asia in September, then you should wait until June to fly from Tokyo, when ticket prices are also cheap, with an average price of C$ 268.

The cheapest day to depart from Tokyo to Southeast Asia is on a Monday when prices can be found for as low as C$ 241. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around C$ 399. These prices are subject to change though, so be sure to set up a Price Alert for flights to Southeast Asia.

According to our data, the cheapest time of day to fly to Southeast Asia is in the morning. momondo users have found flights departing from Tokyo to Southeast Asia in the morning for as low as C$ 298. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Southeast Asia are more costly in the afternoon, with an average ticket price of C$ 646. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Tokyo Narita to Bangkok Suvarnabhumi for the best Tokyo - Southeast Asia flight prices

You are more likely to see cheaper flights to Southeast Asia from Tokyo when booking weeks ahead of your departure date. In general, you can expect to find flights to Southeast Asia for around C$ 331 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Southeast Asia from Tokyo for as low as C$ 294 on momondo.

There are 4 cabin classes available to choose from on Tokyo to Southeast Asia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Jetstar Japan, Philippines AirAsia, and Shenzhen Airlines are the most popular carriers operating from Tokyo to Southeast Asia

Cebu Pacific, Philippines AirAsia and Singapore Airlines are the top three most popular airlines that fly to Southeast Asia from Tokyo according to our data. Cebu Pacific is the first choice among our users, with 47% of people opting to fly with this airline when travelling to Southeast Asia. Keep in mind that there are 8 different airlines that fly to Southeast Asia on a routine basis, so you have a few additional options to choose from.

As of February 2026, 137 flights take off from Tokyo and land in Southeast Asia each day. The most common flight departure time for this route is 6:00p.m., with 32% of daily flights taking off at noon.

As of February 2026, there are 960 flights per week flying from Tokyo to Southeast Asia. The most common day of the week flights depart is Wed, with 15% of flights taking off on this day.