Cheapest return flights from Seoul to Bangkok in December from 145€

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

Return flights

01 Dec - 05 Dec Vietnam Airlines
08 Dec - 10 Dec Vietnam Airlines
10 Dec - 13 Dec Vietnam Airlines
11 Dec - 14 Dec Vietnam Airlines
06 Dec - 10 Dec Vietnam Airlines
15 Dec - 01 Jan Vietnam Airlines
04 Dec - 07 Dec Vietnam Airlines
11 Dec - 16 Dec Vietnam Airlines
15 Dec - 20 Dec Vietnam Airlines
06 Dec - 11 Dec Vietnam Airlines
10 Dec - 17 Dec Vietnam Airlines
15 Dec - 15 Jan Vietnam Airlines
15 Dec - 15 Jan Thai AirAsia X direct
14 Dec - 14 Jan China Southern
18 Dec - 06 Jan China Southern
08 Dec - 09 Jan China Southern
16 Dec - 16 Jan China Southern
18 Dec - 03 Jan China Southern
15 Dec - 06 Jan China Southern
16 Dec - 15 Jan China Southern

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

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