AirHint found the following cheapest return flights from Chiang Mai (CNX) to Perth (PER) in October 2025 (see full year).

Return flights

29 Oct - 05 Nov	AirAsia
02 Oct - 12 Oct	AirAsia
22 Oct - 27 Oct	Thai AirAsia
19 Oct - 28 Oct	Thai AirAsia
21 Oct - 26 Oct	AirAsia
21 Oct - 29 Oct	AirAsia
21 Oct - 27 Oct	AirAsia
21 Oct - 31 Oct	AirAsia
21 Oct - 10 Nov	AirAsia
21 Oct - 09 Nov	AirAsia
29 Oct - 14 Nov	AirAsia
01 Oct - 15 Oct	AirAsia
01 Oct - 03 Oct	AirAsia
21 Oct - 25 Oct	AirAsia
29 Oct - 19 Nov	AirAsia
29 Oct - 10 Nov	AirAsia
29 Oct - 16 Nov	AirAsia
29 Oct - 17 Nov	AirAsia
29 Oct - 09 Nov	AirAsia
21 Oct - 06 Nov	AirAsia

Also check the deals for one-way flights from Chiang Mai to Perth in October.

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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Cheapest return flights from Chiang Mai to Perth in October from $318

Return flights