Cheapest return flights from Bangkok to Seoul in December from $354

Best time to book flights for Bangkok (DMK) to Seoul (ICN) flights at AirHint

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

Return flights

05 Dec - 13 Dec Thai AirAsia X direct
05 Dec - 12 Dec Thai AirAsia X direct
13 Dec - 13 Dec Thai AirAsia X direct
16 Dec - 24 Dec Thai AirAsia X direct
16 Dec - 18 Dec Thai AirAsia X direct
16 Dec - 28 Dec Thai AirAsia X direct
16 Dec - 20 Dec Thai AirAsia X direct
16 Dec - 22 Dec Thai AirAsia X direct
16 Dec - 27 Dec Thai AirAsia X direct
16 Dec - 21 Dec Thai AirAsia X direct
16 Dec - 02 Jan Thai AirAsia X direct
27 Dec - 14 Jan Thai AirAsia X direct
30 Dec - 14 Jan Thai AirAsia X direct
27 Dec - 12 Jan Thai AirAsia X direct
16 Dec - 03 Jan Thai AirAsia X direct
30 Dec - 12 Jan Thai AirAsia X direct
19 Dec - 02 Jan Thai AirAsia X direct
13 Dec - 02 Jan Thai AirAsia X direct
20 Dec - 02 Jan Thai AirAsia X direct
27 Dec - 02 Jan Thai AirAsia X direct

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

Skyscanner

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 Seoul

Cheap car rent in Seoul