Cheapest one-way flights from Seoul to Bangkok in December from $88

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

One-Way flights

03 Dec Vietnam Airlines
18 Dec Vietnam Airlines
15 Dec Vietnam Airlines
16 Dec Vietnam Airlines
17 Dec Vietnam Airlines
10 Dec Vietnam Airlines
03 Dec Thai AirAsia X direct
04 Dec Vietnam Airlines
14 Dec Vietnam Airlines
18 Dec Thai AirAsia X direct

Also check the deals for return 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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