Cheapest return flights from Adelaide to Chiang Mai in September from $1774

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

Return flights

29 Sep - 02 Oct Singapore Airlines

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

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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