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

Return flights

19 Feb - 28 Mar	Jeju Air
25 Feb - 04 Mar	Air Busan
20 Feb - 25 Feb	Air Busan
21 Feb - 28 Feb	Jeju Air
21 Feb - 26 Feb	Air Busan
18 Feb - 29 Mar	Jeju Air
20 Feb - 26 Feb	Air Busan
18 Feb - 24 Feb	Eastar Jet
21 Feb - 01 Mar	Air Busan
17 Feb - 17 Mar	T'way Air
28 Feb - 04 Mar	T'way Air
16 Feb - 24 Feb	China Eastern
25 Feb - 02 Mar	Air Busan
23 Feb - 04 Mar	Jin Air
16 Feb - 21 Feb	China Eastern
18 Feb - 21 Feb	China Eastern
27 Feb - 29 Mar	Jeju Air
17 Feb - 25 Feb	T'way Air
19 Feb - 27 Feb	China Eastern
23 Feb - 01 Mar	Air Busan

Also check the deals for one-way flights from Seoul to Bangkok in February.

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 February from $300

Return flights