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

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

Return flights

12 May - 16 May Thai AirAsia X direct
13 May - 20 May Thai AirAsia X direct
30 May - 07 Jun Thai AirAsia X direct
20 May - 28 May Thai AirAsia X direct
27 May - 29 May Thai AirAsia X direct
30 May - 06 Jun Thai AirAsia X direct
04 May - 13 May Thai AirAsia X direct
27 May - 31 May Thai AirAsia X direct
18 May - 20 May Thai AirAsia X direct
11 May - 15 May Thai AirAsia X direct
01 May - 07 May Thai AirAsia X direct
21 May - 28 May Thai AirAsia X direct
27 May - 03 Jun Thai AirAsia X direct
28 May - 02 Jun Thai AirAsia X direct
02 May - 05 Jun Thai AirAsia X direct
30 May - 01 Jun Thai AirAsia X direct
26 May - 09 Jun Thai AirAsia
31 May - 04 Jun Thai AirAsia
30 May - 05 Jun Thai AirAsia
29 May - 05 Jun Thai AirAsia

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

Powered by

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.

Book a cheap hotel in Seoul

Cheap car rent in Seoul

Feel free to contact us with any feedback or request another flight research.