Cheapest return flights from Seoul to Bangkok in December from $499

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

Return flights

12 Dec - 14 Dec Air China
22 Dec - 27 Dec Air China
21 Dec - 26 Dec Air China
02 Dec - 05 Dec Air China
18 Dec - 25 Dec Air China
21 Dec - 24 Dec Air China
21 Dec - 25 Dec Air China
14 Dec - 24 Dec Air China
20 Dec - 25 Dec Air China
29 Dec - 05 Jan Air China
29 Dec - 11 Jan Air China
04 Dec - 13 Dec Air China
21 Dec - 08 Jan Air China
26 Dec - 04 Jan Air China
29 Dec - 02 Jan Air China
19 Dec - 02 Jan Air China
26 Dec - 03 Jan Air China
31 Dec - 05 Jan Air China
21 Dec - 06 Jan Air China
27 Dec - 03 Jan Air China

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

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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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