Cheapest return flights from Seoul to Chiang Mai in April from $294

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

Return flights

23 Apr - 24 Apr AirAsia X
23 Apr - 11 May AirAsia X
23 Apr - 27 Apr AirAsia X
25 Apr - 11 May Thai AirAsia X
23 Apr - 02 May Malaysia Airlines
25 Apr - 27 Apr Thai AirAsia X
18 Apr - 22 Apr Malaysia Airlines
14 Apr - 19 Apr Malaysia Airlines
21 Apr - 30 Apr Malaysia Airlines
23 Apr - 08 May AirAsia X
23 Apr - 07 May AirAsia X
01 Apr - 21 Apr Thai AirAsia X
25 Apr - 08 May Thai AirAsia X
25 Apr - 07 May Thai AirAsia X
16 Apr - 19 Apr Malaysia Airlines
17 Apr - 21 Apr Malaysia Airlines
16 Apr - 21 Apr Malaysia Airlines
22 Apr - 06 May Malaysia Airlines
30 Apr - 18 May Thai AirAsia X
30 Apr - 11 May Thai AirAsia X

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