Cheapest return flights from Seoul to Bangkok in May from 137€

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

Return flights

15 May - 22 May Vietnam Airlines
24 May - 14 Jun Thai AirAsia X direct
23 May - 13 Jun Thai AirAsia X direct
23 May - 09 Jun Thai AirAsia X direct
29 May - 13 Jun Thai AirAsia X direct
29 May - 16 Jun Thai AirAsia X direct
29 May - 14 Jun Thai AirAsia X direct
29 May - 15 Jun Thai AirAsia X direct
29 May - 09 Jun Thai AirAsia X direct
31 May - 13 Jun Thai AirAsia X direct
31 May - 16 Jun Thai AirAsia X direct
19 May - 24 May Thai AirAsia X direct
15 May - 17 May Thai AirAsia X direct
15 May - 22 May Thai AirAsia X direct
24 May - 28 May Thai AirAsia X direct
23 May - 31 May Thai AirAsia X direct
23 May - 28 May Thai AirAsia X direct
23 May - 25 May Thai AirAsia X direct
23 May - 30 May Thai AirAsia X direct
29 May - 31 May Thai AirAsia X direct

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