Cheapest return flights from Seoul to Bangkok in August from $142

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

Return flights

27 Aug - 03 Sep Vietnam Airlines
30 Aug - 06 Sep Vietnam Airlines
25 Aug - 31 Aug Vietnam Airlines
23 Aug - 31 Aug Vietnam Airlines
29 Aug - 02 Sep Vietnam Airlines
25 Aug - 01 Sep Vietnam Airlines
30 Aug - 31 Aug Vietnam Airlines
21 Aug - 31 Aug Vietnam Airlines
22 Aug - 31 Aug Vietnam Airlines
20 Aug - 31 Aug Vietnam Airlines
28 Aug - 31 Aug Vietnam Airlines
30 Aug - 07 Sep Vietnam Airlines
29 Aug - 06 Sep Vietnam Airlines
30 Aug - 30 Sep Vietnam Airlines
28 Aug - 08 Sep Vietnam Airlines
21 Aug - 01 Sep Vietnam Airlines
28 Aug - 03 Sep Vietnam Airlines
25 Aug - 27 Aug Thai AirAsia X direct
17 Aug - 31 Aug Vietnam Airlines
08 Aug - 11 Aug Thai AirAsia X direct

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

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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