Cheapest return flights from Bangkok to Seoul in May from $207

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

Return flights

20 May - 09 Jun Thai AirAsia direct
22 May - 26 May Thai AirAsia direct
12 May - 14 Jun Thai AirAsia direct
08 May - 14 May Thai Lion Air direct
19 May - 27 May Thai AirAsia direct
12 May - 18 May Thai Lion Air direct
21 May - 26 May Thai Lion Air direct
11 May - 20 May Thai AirAsia
14 May - 24 May Thai AirAsia direct
01 May - 15 May Thai AirAsia
30 May - 07 Jun Thai AirAsia
20 May - 27 May Thai AirAsia
31 May - 06 Jun Thai AirAsia
29 May - 07 Jun Thai AirAsia
23 May - 30 May Thai Lion Air direct
26 May - 10 Jun Thai AirAsia
26 May - 10 Jun Thai Lion Air direct
25 May - 07 Jun Thai AirAsia
18 May - 24 Jun Thai AirAsia
31 May - 11 Jun Thai AirAsia

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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