AirHint found the following cheapest one-way flights from Bangkok (DMK) to Osaka (KIX) in August 2025 (see full year).

One-Way flights

22 Aug	Thai AirAsia X	direct
21 Aug	Thai AirAsia X	direct
03 Aug	Thai AirAsia X	direct
04 Aug	Thai AirAsia X	direct
07 Aug	Thai AirAsia X	direct
25 Aug	Thai AirAsia X	direct
12 Aug	Thai AirAsia X	direct
05 Aug	Thai AirAsia X	direct
01 Aug	Thai AirAsia X	direct
11 Aug	Thai AirAsia X	direct

Also check the deals for return flights from Bangkok to Osaka in August.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Osaka

Cheap car rent in Osaka

Cheapest one-way flights from Bangkok to Osaka in August from $119

One-Way flights