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

Return flights

09 Jan - 18 Jan	Air China
24 Jan - 28 Jan	Air China
14 Jan - 12 Feb	Air China
31 Jan - 07 Feb	Air China
12 Jan - 22 Jan	Air China
15 Jan - 29 Jan	Air China
17 Jan - 11 Feb	Air China
10 Jan - 08 Feb	Air China
09 Jan - 07 Feb	Air China
07 Jan - 21 Jan	Air China
17 Jan - 22 Jan	Air China
07 Jan - 22 Jan	Air China
18 Jan - 22 Jan	Air China
17 Jan - 21 Jan	Air China
13 Jan - 22 Jan	Air China
31 Jan - 10 Feb	Air China
14 Jan - 11 Feb	Air China
27 Jan - 09 Feb	Air China
30 Jan - 07 Feb	Air China
31 Jan - 08 Feb	Air China

Also check the deals for one-way flights from Seoul 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 Seoul to Bangkok in January from 192€

Return flights