Cheapest return flights from Seoul to Bangkok in April from 140€

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

Return flights

11 Apr - 25 Apr Vietnam Airlines
09 Apr - 16 Apr Vietnam Airlines
20 Apr - 24 Apr Vietnam Airlines
22 Apr - 27 Apr Vietnam Airlines
27 Apr - 01 May Vietnam Airlines
03 Apr - 06 Apr Vietnam Airlines
05 Apr - 08 Apr Vietnam Airlines
04 Apr - 07 Apr Vietnam Airlines
23 Apr - 30 Apr Vietnam Airlines
05 Apr - 07 Apr Vietnam Airlines
06 Apr - 08 Apr Vietnam Airlines
21 Apr - 21 May Vietnam Airlines
04 Apr - 09 May Vietnam Airlines
06 Apr - 06 May Vietnam Airlines
30 Apr - 10 May Thai AirAsia X direct
04 Apr - 09 May Thai AirAsia X direct
27 Apr - 01 May Thai AirAsia X direct
30 Apr - 31 May Thai AirAsia X direct
25 Apr - 04 May Thai AirAsia X direct
30 Apr - 04 May Thai AirAsia X direct

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

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