Cheapest return flights from Seoul to Bangkok in May from $328

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

Return flights

15 May - 23 May Korean Air direct
21 May - 26 May Korean Air direct
04 May - 25 May Korean Air direct
05 May - 12 May Korean Air direct
22 May - 25 May Korean Air direct
20 May - 24 May Korean Air direct
22 May - 26 May Korean Air direct
22 May - 27 May Korean Air direct
23 May - 25 May Korean Air direct
06 May - 11 May Korean Air direct

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

Skyscanner

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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