Cheapest return flights from Seoul to Bangkok in December from $189

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

Return flights

04 Dec - 07 Dec Vietnam Airlines
02 Dec - 05 Dec Vietnam Airlines
01 Dec - 09 Dec Vietnam Airlines
01 Dec - 10 Dec Vietnam Airlines
02 Dec - 08 Dec Vietnam Airlines
01 Dec - 08 Dec Vietnam Airlines
05 Dec - 09 Dec Vietnam Airlines
04 Dec - 06 Dec Vietnam Airlines
04 Dec - 10 Dec Vietnam Airlines
04 Dec - 09 Dec Vietnam Airlines
18 Dec - 04 Jan Vietnam Airlines
07 Dec - 25 Jan VietJet Air
19 Dec - 20 Jan VietJet Air
07 Dec - 25 Jan Asiana Airlines direct
29 Dec - 05 Jan Thai Airways direct
26 Dec - 03 Jan Thai Airways direct
30 Dec - 02 Jan Thai Airways direct
30 Dec - 03 Jan Thai Airways direct
22 Dec - 02 Jan Thai Airways direct
24 Dec - 03 Jan Thai Airways 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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