Cheapest return flights from Bangkok to Seoul in September from $173

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

03 Sep - 12 Sep Jin Air direct
03 Sep - 09 Sep Jin Air direct
12 Sep - 26 Sep Jin Air direct
21 Sep - 26 Sep Thai AirAsia X direct
20 Sep - 26 Sep Thai AirAsia X direct
05 Sep - 12 Sep Thai AirAsia X direct
05 Sep - 09 Sep Thai AirAsia X direct
09 Sep - 12 Sep Thai AirAsia X direct
09 Sep - 26 Sep Thai AirAsia X direct
03 Sep - 14 Sep Jin Air direct
20 Sep - 10 Oct Thai AirAsia X direct
21 Sep - 10 Oct Thai AirAsia X direct
30 Sep - 14 Oct Jin Air direct
30 Sep - 16 Oct Jin Air direct
30 Sep - 15 Oct Jin Air direct
20 Sep - 09 Oct Thai AirAsia X direct
21 Sep - 09 Oct Thai AirAsia X direct
23 Sep - 10 Oct Jin Air direct
30 Sep - 10 Oct Jin Air direct
29 Sep - 14 Oct Jin Air 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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