AirHint found the following cheapest return flights from Cheju (CJU) to Bangkok (BKK) in August 2025 (see full year).

Return flights

24 Aug - 02 Sep	Eastar Jet
21 Aug - 28 Aug	Jeju Air
26 Aug - 02 Sep	Scoot Tigerair
21 Aug - 24 Aug	Jeju Air
19 Aug - 23 Aug	Scoot Tigerair
26 Aug - 30 Aug	Scoot Tigerair
20 Aug - 23 Aug	Air Busan
27 Aug - 01 Sep	Scoot Tigerair
27 Aug - 30 Aug	Scoot Tigerair
25 Aug - 28 Aug	T'way Air
25 Aug - 01 Sep	Scoot Tigerair
20 Aug - 26 Aug	Scoot Tigerair
24 Aug - 28 Aug	Scoot Tigerair
22 Aug - 24 Aug	T'way Air
27 Aug - 03 Sep	T'way Air
28 Aug - 03 Sep	HK Express
28 Aug - 02 Sep	HK Express
29 Aug - 01 Sep	Scoot Tigerair
30 Aug - 03 Sep	HK Express
29 Aug - 03 Sep	HK Express

Also check the deals for one-way flights from Cheju to Bangkok 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.

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Cheapest return flights from Cheju to Bangkok in August from 238€

Return flights