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

Return flights

16 May - 21 May	Malaysia Airlines
30 May - 03 Jun	Malaysia Airlines
25 May - 29 May	Scoot
29 May - 02 Jun	Royal Brunei
29 May - 03 Jun	Royal Brunei
16 May - 03 Jun	AirAsia
27 May - 31 May	Malaysia Airlines
25 May - 31 May	Malaysia Airlines
28 May - 02 Jun	Malaysia Airlines
27 May - 02 Jun	Malaysia Airlines
16 May - 29 May	AirAsia
16 May - 31 May	AirAsia
25 May - 03 Jun	AirAsia
28 May - 03 Jun	AirAsia
28 May - 29 May	AirAsia
28 May - 31 May	AirAsia
30 May - 31 May	AirAsia
29 May - 31 May	AirAsia

Also check the deals for one-way flights from Kota Kinabalu to Bangkok 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 Kota Kinabalu to Bangkok in May from $197

Return flights