Cheapest return flights from Seoul to Chiang Mai in April from $291

Best time to book flights for Seoul (ICN) to Chiang Mai (CNX) flights at AirHint

AirHint found the following cheapest return flights from Seoul (ICN) to Chiang Mai (CNX) in April 2025 (see full year).

Return flights

26 Apr - 29 Apr AirAsia X
26 Apr - 14 May AirAsia X
23 Apr - 24 Apr Thai AirAsia X
23 Apr - 29 Apr Thai AirAsia X
23 Apr - 21 May Thai AirAsia X
23 Apr - 26 Apr Thai AirAsia X
26 Apr - 26 Apr AirAsia X
26 Apr - 13 May AirAsia X
26 Apr - 11 May AirAsia X
23 Apr - 23 Apr Thai AirAsia X
22 Apr - 13 May Thai AirAsia X
23 Apr - 13 May Thai AirAsia X
23 Apr - 11 May Thai AirAsia X
24 Apr - 29 Apr Thai AirAsia X
24 Apr - 14 May Thai AirAsia X
24 Apr - 26 Apr Thai AirAsia X
26 Apr - 07 May AirAsia X
17 Apr - 23 Apr China Southern
11 Apr - 13 Apr China Southern
23 Apr - 07 May Thai AirAsia X

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