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

Return flights

23 Jan - 01 Feb	Air China
22 Jan - 27 Jan	Air China
09 Jan - 13 Jan	Air China
09 Jan - 14 Jan	Air China
11 Jan - 18 Jan	China Eastern
10 Jan - 14 Jan	China Eastern
08 Jan - 15 Jan	China Eastern
14 Jan - 21 Jan	Air China
12 Jan - 20 Jan	Air China
09 Jan - 11 Jan	Air China
07 Jan - 14 Jan	Air China
22 Jan - 11 Feb	Air China
28 Jan - 01 Feb	Air China
29 Jan - 01 Feb	Air China
28 Jan - 02 Feb	Air China
26 Jan - 01 Feb	Air China
28 Jan - 03 Feb	Air China
21 Jan - 01 Feb	Vietnam Airlines
27 Jan - 04 Feb	Jeju Air	direct
29 Jan - 04 Feb	Air China

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 189€

Return flights