Cheapest return flights from Bangkok to Seoul in September from 276€

Best time to book flights for Bangkok (BKK) to Seoul (ICN) flights at AirHint

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

Return flights

13 Sep - 16 Sep Thai VietJet Air
01 Sep - 04 Sep Thai VietJet Air
29 Sep - 30 Sep Thai VietJet Air
28 Sep - 13 Oct Vietnam Airlines
02 Sep - 13 Sep Vietnam Airlines
10 Sep - 13 Sep Thai AirAsia X direct
10 Sep - 18 Sep Thai AirAsia X direct
10 Sep - 22 Sep Thai AirAsia X direct
10 Sep - 19 Sep Thai AirAsia X direct
10 Sep - 20 Sep Thai AirAsia X direct
10 Sep - 23 Sep Thai AirAsia X direct
17 Sep - 08 Oct Thai AirAsia X direct
27 Sep - 08 Oct Thai AirAsia X direct
27 Sep - 11 Oct Thai AirAsia X direct
27 Sep - 09 Oct Thai AirAsia X direct
27 Sep - 18 Oct Thai AirAsia X direct
27 Sep - 12 Oct Thai AirAsia X direct
27 Sep - 17 Oct Thai AirAsia X direct
27 Sep - 10 Oct Thai AirAsia X direct
26 Sep - 10 Oct Thai AirAsia X direct

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

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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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