Cheapest return flights from Seoul to Bangkok in April from $157

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

Return flights

04 Apr - 07 Apr Vietnam Airlines
10 Apr - 19 Apr Vietnam Airlines
23 Apr - 27 Apr Vietnam Airlines
01 Apr - 08 Apr Vietnam Airlines
02 Apr - 19 Apr Vietnam Airlines
03 Apr - 06 Apr Vietnam Airlines
22 Apr - 26 Apr Vietnam Airlines
23 Apr - 25 Apr Vietnam Airlines
06 Apr - 19 Apr Vietnam Airlines
08 Apr - 25 Apr Vietnam Airlines
29 Apr - 18 May Thai AirAsia X direct
27 Apr - 18 May Thai AirAsia X direct
28 Apr - 18 May Thai AirAsia X direct
29 Apr - 17 May Thai AirAsia X direct
27 Apr - 17 May Thai AirAsia X direct
28 Apr - 17 May Thai AirAsia X direct
30 Apr - 18 May Thai AirAsia X direct
30 Apr - 17 May Thai AirAsia X direct
29 Apr - 13 May Thai AirAsia X direct
29 Apr - 14 May Thai AirAsia X direct

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

Skyscanner

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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