Cheapest return flights from Seoul to Chiang Mai in April from $227

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

27 Apr - 15 May Jeju Air direct
27 Apr - 17 May Jeju Air direct
27 Apr - 10 May Jeju Air direct
27 Apr - 01 May Thai AirAsia X
27 Apr - 28 Apr Thai AirAsia X
27 Apr - 01 May Jeju Air direct
27 Apr - 03 May Jeju Air direct
27 Apr - 30 Apr Jeju Air direct
28 Apr - 17 May Thai AirAsia X
29 Apr - 17 May Thai AirAsia X
28 Apr - 15 May Thai AirAsia X
29 Apr - 15 May Thai AirAsia X
27 Apr - 29 Apr Asiana Airlines direct
27 Apr - 27 Apr Thai Airways
28 Apr - 30 Apr Asiana Airlines direct
29 Apr - 30 Apr Thai AirAsia X
27 Apr - 28 Apr Korean Air direct
29 Apr - 30 Apr Korean Air direct

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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