AirHint found the following cheapest return flights from Chiang Mai (CNX) to Kaohsiung (KHH) in August 2025 (see full year).

Return flights

22 Aug - 24 Aug	Thai AirAsia
20 Aug - 07 Sep	Thai AirAsia
26 Aug - 30 Aug	Thai AirAsia
22 Aug - 07 Sep	Thai AirAsia
28 Aug - 07 Sep	Thai AirAsia
26 Aug - 07 Sep	Thai AirAsia
29 Aug - 07 Sep	Thai AirAsia
20 Aug - 23 Aug	Thai AirAsia
22 Aug - 23 Aug	Thai AirAsia
25 Aug - 07 Sep	Thai AirAsia
21 Aug - 07 Sep	Thai AirAsia
30 Aug - 07 Sep	Thai AirAsia
28 Aug - 17 Sep	Thai AirAsia
28 Aug - 18 Sep	Thai AirAsia
21 Aug - 23 Aug	Thai AirAsia
20 Aug - 21 Aug	Thai AirAsia
19 Aug - 23 Aug	Thai AirAsia
19 Aug - 21 Aug	Thai AirAsia
20 Aug - 22 Aug	Thai AirAsia
21 Aug - 22 Aug	Thai AirAsia

Also check the deals for one-way flights from Chiang Mai to Kaohsiung 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 Kaohsiung

Cheap car rent in Kaohsiung

Cheapest return flights from Chiang Mai to Kaohsiung in August from 186€

Return flights