Cheapest return flights from Seoul to Bangkok in May from 147€

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

Return flights

10 May - 21 May Vietnam Airlines
08 May - 14 May Vietnam Airlines
25 May - 30 May Vietnam Airlines
12 May - 18 May Vietnam Airlines
24 May - 29 May Vietnam Airlines
26 May - 28 May Vietnam Airlines
18 May - 20 May Vietnam Airlines
12 May - 22 May Vietnam Airlines
06 May - 21 May T'way Air direct
06 May - 08 May T'way Air direct
06 May - 02 Jun Vietnam Airlines
28 May - 11 Jun Vietnam Airlines
06 May - 05 Jun T'way Air direct
19 May - 04 Jun T'way Air direct
25 May - 05 Jun T'way Air direct
26 May - 05 Jun T'way Air direct
24 May - 01 Jun Shandong Airlines
24 May - 02 Jun Vietnam Airlines
10 May - 07 Jun Vietnam Airlines
15 May - 04 Jun T'way Air 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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