Cheapest return flights from Bangkok to Seoul in April from $206

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

Return flights

16 Apr - 22 Apr Thai AirAsia X direct
16 Apr - 24 Apr Thai AirAsia X direct
16 Apr - 26 Apr Thai AirAsia X direct
25 Apr - 29 Apr Thai AirAsia X direct
26 Apr - 28 Apr Thai Lion Air direct
16 Apr - 21 Apr Thai Lion Air direct
16 Apr - 20 Apr Thai Lion Air direct
26 Apr - 29 Apr Thai Lion Air direct
21 Apr - 24 Apr Thai Lion Air direct
21 Apr - 26 Apr Thai Lion Air direct
26 Apr - 04 May Thai Lion Air
27 Apr - 12 May Thai AirAsia
29 Apr - 03 May Thai Lion Air direct
27 Apr - 07 May Thai AirAsia
17 Apr - 27 May Thai AirAsia
22 Apr - 27 May Thai AirAsia
25 Apr - 08 May Thai AirAsia
28 Apr - 06 May Thai Lion Air direct
28 Apr - 05 May Thai AirAsia
26 Apr - 04 May Thai Lion Air direct

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