Cheapest return flights from Bangkok to Seoul in May from $178

AirHint found the following cheapest return flights from Bangkok (DMK) to Seoul (ICN) in May 2026 (see full year).

Return flights

27 May - 30 May Thai AirAsia X direct
27 May - 29 May Thai AirAsia X direct
27 May - 13 Jun Thai AirAsia X direct
27 May - 05 Jun Thai AirAsia X direct
27 May - 01 Jun Thai AirAsia X direct
27 May - 04 Jun Thai AirAsia X direct
27 May - 15 Jun Thai AirAsia X direct
27 May - 10 Jun Thai AirAsia X direct
19 May - 30 May Thai AirAsia X direct
19 May - 29 May Thai AirAsia X direct
19 May - 23 May Thai AirAsia X direct
19 May - 27 May Thai AirAsia X direct
23 May - 30 May Thai AirAsia X direct
23 May - 29 May Thai AirAsia X direct
28 May - 30 May Thai AirAsia X direct
28 May - 29 May Thai AirAsia X direct
19 May - 05 Jun Thai AirAsia X direct
19 May - 01 Jun Thai AirAsia X direct
19 May - 04 Jun Thai AirAsia X direct
23 May - 05 Jun Thai AirAsia X direct

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

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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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