Cheapest return flights from Bangkok to Seoul in September from 153€

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

Return flights

05 Sep - 08 Sep Thai AirAsia X direct
07 Sep - 11 Sep Thai AirAsia X
12 Sep - 15 Sep Thai AirAsia X
12 Sep - 15 Sep Thai AirAsia X direct
12 Sep - 19 Sep Thai AirAsia X direct
07 Sep - 14 Sep Thai AirAsia X direct
05 Sep - 22 Sep Eastar Jet direct
05 Sep - 09 Sep Eastar Jet direct
05 Sep - 23 Sep Eastar Jet direct
05 Sep - 15 Sep Eastar Jet direct
30 Sep - 14 Oct Eastar Jet direct
30 Sep - 12 Oct Eastar Jet direct
25 Sep - 14 Oct Jin Air direct
23 Sep - 14 Oct Eastar Jet direct
23 Sep - 12 Oct Eastar Jet direct
25 Sep - 12 Oct Jin Air direct
30 Sep - 11 Oct Eastar Jet direct
30 Sep - 13 Oct Eastar Jet direct
23 Sep - 11 Oct Eastar Jet direct
23 Sep - 13 Oct Eastar Jet 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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