AirHint found the following cheapest return flights from Busan (PUS) to Bangkok (BKK) in January 2026 (see full year).

Return flights

30 Jan - 03 Feb	Philippine Airlines
29 Jan - 02 Feb	Philippine Airlines
27 Jan - 03 Feb	HK Express
24 Jan - 28 Jan	HK Express
25 Jan - 04 Feb	HK Express
15 Jan - 28 Jan	HK Express
15 Jan - 20 Jan	HK Express
28 Jan - 01 Feb	HK Express
15 Jan - 23 Jan	HK Express
15 Jan - 18 Jan	HK Express
24 Jan - 29 Jan	HK Express
12 Jan - 20 Jan	HK Express
15 Jan - 19 Jan	HK Express
29 Jan - 01 Feb	HK Express
23 Jan - 26 Jan	HK Express
12 Jan - 21 Jan	HK Express
30 Jan - 02 Feb	HK Express
26 Jan - 05 Feb	China Airlines
27 Jan - 01 Feb	China Airlines
26 Jan - 05 Feb	Jeju Air	direct

Also check the deals for one-way flights from Busan to Bangkok in January.

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 Busan to Bangkok in January from $224

Return flights