Cheapest one-way flights from Seoul to Chiang Mai in April from $130

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

One-Way flights

29 Apr AirAsia X
28 Apr AirAsia X
15 Apr AirAsia X
01 Apr Thai AirAsia X
02 Apr Thai AirAsia X
05 Apr Thai AirAsia X
04 Apr Thai AirAsia X
30 Apr Thai AirAsia X
11 Apr Thai AirAsia X
08 Apr Scoot Tigerair

Also check the deals for return 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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