Cheapest return flights from Seoul to Bangkok in May from 125€

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

Return flights

08 May - 19 May Vietnam Airlines
07 May - 14 May Vietnam Airlines
07 May - 12 May Vietnam Airlines
29 May - 03 Jun Vietnam Airlines
19 May - 22 May Vietnam Airlines
08 May - 11 May Vietnam Airlines
05 May - 20 May Vietnam Airlines
25 May - 28 May Vietnam Airlines
22 May - 26 May Vietnam Airlines
20 May - 26 May Vietnam Airlines
14 May - 18 May Vietnam Airlines
20 May - 30 Jun Thai AirAsia X direct
12 May - 25 Jun Thai AirAsia X direct
25 May - 01 Jun Vietnam Airlines
29 May - 10 Jun Vietnam Airlines
29 May - 01 Jun Vietnam Airlines
28 May - 30 Jun Vietnam Airlines
18 May - 25 Jun Vietnam Airlines
31 May - 05 Jun Vietnam Airlines
26 May - 05 Jun Vietnam Airlines

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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