AirHint found the following cheapest return flights from Bangkok (BKK) to Kaohsiung (KHH) in May 2026 (see full year).

Return flights

08 May - 10 May	Thai AirAsia	direct
08 May - 11 May	Thai AirAsia	direct
29 May - 05 Jun	Thai Lion Air	direct
01 May - 06 May	Thai AirAsia	direct
29 May - 01 Jun	Thai AirAsia	direct
04 May - 07 May	Thai Lion Air	direct
29 May - 04 Jun	Thai AirAsia
21 May - 24 May	Cathay Pacific
28 May - 01 Jun	Cathay Pacific
29 May - 04 Jun	Thai Airways	direct
21 May - 24 May	Thai Airways	direct
28 May - 01 Jun	Thai Airways	direct
02 May - 05 May	Thai AirAsia

Also check the deals for one-way flights from Bangkok to Kaohsiung in May.

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.

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Cheapest return flights from Bangkok to Kaohsiung in May from 121€

Return flights