Cheapest return flights from Seoul to Bangkok in April from $288

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

Return flights

23 Apr - 01 May Korean Air
22 Apr - 23 Apr Jeju Air
22 Apr - 27 Apr Jeju Air
07 Apr - 20 Apr Jeju Air
07 Apr - 16 Apr Jeju Air
22 Apr - 26 Apr Jeju Air
22 Apr - 24 Apr Jeju Air
16 Apr - 22 Apr Jeju Air
21 Apr - 27 Apr Jeju Air
12 Apr - 19 Apr Korean Air
21 Apr - 28 Apr Korean Air
24 Apr - 10 May Jeju Air
24 Apr - 11 May Jeju Air
28 Apr - 11 May Jeju Air
30 Apr - 10 May Korean Air
25 Apr - 08 May Jeju Air
24 Apr - 01 May Jeju Air
28 Apr - 01 May Jeju Air
29 Apr - 11 May Jeju Air
29 Apr - 10 May Jeju Air

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

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