Cheapest return flights from Seoul to Bangkok in December from 218€

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

Return flights

27 Dec - 13 Jan Air China
27 Dec - 21 Jan Air China
28 Dec - 21 Jan Air China
28 Dec - 01 Jan VietJet Air
29 Dec - 01 Jan VietJet Air
29 Dec - 02 Jan VietJet Air
31 Dec - 07 Jan China Eastern
31 Dec - 05 Jan China Eastern
22 Dec - 12 Jan Vietnam Airlines
28 Dec - 01 Jan Thai AirAsia X direct
24 Dec - 31 Dec Thai AirAsia X direct
29 Dec - 31 Dec VietJet Air
24 Dec - 25 Dec Thai AirAsia X direct
29 Dec - 31 Dec Jeju Air direct
24 Dec - 30 Dec Thai AirAsia X direct
24 Dec - 26 Dec Thai AirAsia X direct
26 Dec - 31 Dec Thai AirAsia X direct
22 Dec - 31 Dec Jeju Air direct
22 Dec - 27 Dec Jeju Air direct
22 Dec - 23 Dec Jeju Air direct

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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