Cheapest return flights from Seoul to Bangkok in April from 135€

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

Return flights

22 Apr - 26 Apr Thai AirAsia X direct
23 Apr - 26 Apr Thai AirAsia X direct
23 Apr - 28 Apr Thai AirAsia X direct
08 Apr - 17 Apr Vietnam Airlines
19 Apr - 26 Apr Vietnam Airlines
01 Apr - 17 Apr Vietnam Airlines
04 Apr - 05 Apr Vietnam Airlines
22 Apr - 27 Apr Thai AirAsia X direct
20 Apr - 27 Apr Vietnam Airlines
24 Apr - 30 Apr Vietnam Airlines
22 Apr - 21 May Vietnam Airlines
27 Apr - 12 May Thai AirAsia X direct
24 Apr - 07 May Vietnam Airlines
25 Apr - 06 May Vietnam Airlines
01 Apr - 07 May Vietnam Airlines
20 Apr - 11 May Vietnam Airlines
24 Apr - 01 May Vietnam Airlines
20 Apr - 11 May Thai AirAsia X direct
29 Apr - 11 May T'way Air direct
29 Apr - 12 May T'way Air direct

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

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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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