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

Return flights

24 Oct - 27 Oct	China Eastern
17 Oct - 21 Oct	China Eastern
21 Oct - 26 Oct	China Eastern
20 Oct - 23 Oct	Air Busan
22 Oct - 25 Oct	T'way Air
18 Oct - 22 Oct	T'way Air
14 Oct - 20 Oct	T'way Air
13 Oct - 20 Oct	T'way Air
17 Oct - 20 Oct	T'way Air
16 Oct - 20 Oct	T'way Air
26 Oct - 02 Nov	T'way Air

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

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 October from 219€

Return flights