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

Return flights

28 Jan - 02 Feb	Jin Air
27 Jan - 01 Feb	Jin Air
19 Jan - 21 Jan	Air Busan
30 Jan - 04 Feb	Air China
26 Jan - 04 Feb	Air Busan
30 Jan - 01 Feb	Air Busan
24 Jan - 28 Jan	T'way Air
19 Jan - 26 Jan	Air Busan
27 Jan - 30 Jan	Air Busan
23 Jan - 27 Jan	Air Busan
23 Jan - 03 Feb	Air Busan
18 Jan - 22 Jan	Air Busan
23 Jan - 26 Jan	Air Busan
25 Jan - 27 Jan	Air Busan
25 Jan - 28 Jan	Air Busan
23 Jan - 30 Jan	Air Busan
26 Jan - 06 Feb	Air China
30 Jan - 07 Feb	Air China
30 Jan - 17 Feb	Air China
30 Jan - 09 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.

Book a cheap hotel in Bangkok

Cheap car rent in Bangkok

Cheapest return flights from Seoul to Bangkok in January from 229€

Return flights