Cheapest return flights from Bangkok to Seoul in October from $231

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

Return flights

31 Oct - 02 Nov Thai AirAsia X direct
31 Oct - 05 Nov Thai AirAsia X direct
30 Oct - 09 Nov Thai AirAsia X direct
31 Oct - 04 Nov Thai AirAsia X
30 Oct - 03 Nov Thai AirAsia
30 Oct - 31 Oct Thai AirAsia X direct
31 Oct - 04 Nov Thai AirAsia X direct
30 Oct - 03 Nov Thai AirAsia X direct
29 Oct - 03 Nov Thai AirAsia
31 Oct - 09 Nov Thai AirAsia X direct
31 Oct - 12 Nov Thai AirAsia X direct
29 Oct - 30 Oct Thai AirAsia

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

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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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