Cheapest return flights from Bangkok to Seoul in December from $260

AirHint found the following cheapest return flights from Bangkok (DMK) to Seoul (ICN) in December 2025 (see full year).

Return flights

05 Dec - 14 Dec Thai AirAsia
12 Dec - 15 Dec Thai AirAsia X direct
12 Dec - 14 Dec Thai AirAsia X direct
05 Dec - 11 Dec Thai AirAsia
05 Dec - 09 Dec Thai AirAsia
01 Dec - 15 Dec Thai AirAsia X direct
01 Dec - 14 Dec Thai AirAsia X direct
01 Dec - 08 Dec Thai AirAsia X direct
11 Dec - 15 Dec Thai AirAsia X direct
11 Dec - 14 Dec Thai AirAsia X direct
18 Dec - 18 Jan Thai AirAsia
25 Dec - 24 Jan Thai AirAsia
08 Dec - 26 Jan Thai AirAsia
18 Dec - 10 Jan Thai AirAsia
12 Dec - 06 Jan Thai AirAsia
26 Dec - 02 Jan Thai AirAsia
09 Dec - 11 Jan Thai AirAsia
24 Dec - 13 Jan Thai AirAsia X direct
13 Dec - 05 Jan Thai AirAsia
25 Dec - 06 Jan Thai AirAsia

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