Cheapest return flights from Busan to Chiang Mai in September from $223

AirHint found the following cheapest return flights from Busan (PUS) to Chiang Mai (CNX) in September 2025 (see full year).

Return flights

10 Sep - 15 Sep Vietnam Airlines
04 Sep - 10 Sep Vietnam Airlines
08 Sep - 15 Sep Vietnam Airlines
22 Sep - 25 Sep Vietnam Airlines
17 Sep - 24 Sep Vietnam Airlines
14 Sep - 19 Sep Vietnam Airlines
21 Sep - 24 Sep Vietnam Airlines
17 Sep - 23 Sep Vietnam Airlines
20 Sep - 22 Sep Vietnam Airlines
19 Sep - 21 Sep Vietnam Airlines
01 Sep - 01 Oct VietJet Air
21 Sep - 03 Oct VietJet Air
29 Sep - 13 Oct HK Express
29 Sep - 15 Oct VietJet Air
13 Sep - 22 Oct HK Express
11 Sep - 03 Oct HK Express
28 Sep - 16 Oct Eastar Jet direct
04 Sep - 03 Oct HK Express
28 Sep - 02 Oct Eastar Jet direct
29 Sep - 05 Oct VietJet Air

Also check the deals for one-way flights from Busan to Chiang Mai in September.

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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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