Cheapest return flights from Seoul to Bangkok in September from $170

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

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

Return flights

10 Sep - 17 Sep Vietnam Airlines
08 Sep - 12 Sep Vietnam Airlines
15 Sep - 24 Sep Eastar Jet direct
15 Sep - 18 Sep Vietnam Airlines
12 Sep - 19 Sep Vietnam Airlines
08 Sep - 22 Sep Vietnam Airlines
07 Sep - 27 Sep Vietnam Airlines
12 Sep - 21 Sep Vietnam Airlines
16 Sep - 21 Sep Vietnam Airlines
23 Sep - 27 Sep Vietnam Airlines
01 Sep - 01 Oct Vietnam Airlines
15 Sep - 01 Oct Eastar Jet direct
22 Sep - 01 Oct Eastar Jet direct
25 Sep - 01 Oct Eastar Jet direct
26 Sep - 01 Oct Eastar Jet direct
17 Sep - 01 Oct Eastar Jet direct
18 Sep - 01 Oct Eastar Jet direct
15 Sep - 02 Oct Eastar Jet direct
22 Sep - 02 Oct Eastar Jet direct
27 Sep - 01 Oct Thai AirAsia X direct

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