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

Return flights

02 Dec - 09 Dec	Spring Airlines
05 Dec - 12 Dec	Spring Airlines
31 Dec - 07 Jan	Spring Airlines
20 Dec - 28 Dec	Spring Airlines
25 Dec - 29 Dec	Spring Airlines
28 Dec - 31 Dec	HK Express
24 Dec - 27 Dec	Scoot Tigerair

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

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 December from 275€

Return flights