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

Return flights

24 Oct - 10 Nov	Thai VietJet Air
09 Oct - 13 Oct	AirAsia
11 Oct - 14 Oct	Thai VietJet Air
08 Oct - 11 Oct	Thai AirAsia
11 Oct - 15 Oct	Thai VietJet Air
23 Oct - 28 Oct	Thai AirAsia
17 Oct - 28 Oct	Thai AirAsia
17 Oct - 29 Oct	Thai AirAsia
23 Oct - 27 Oct	Thai AirAsia
17 Oct - 27 Oct	Thai AirAsia
09 Oct - 28 Oct	Thai AirAsia
31 Oct - 12 Nov	Thai AirAsia
23 Oct - 12 Nov	Thai AirAsia
29 Oct - 01 Nov	Thai VietJet Air
30 Oct - 12 Nov	Thai AirAsia
30 Oct - 01 Nov	Thai VietJet Air
30 Oct - 02 Nov	Thai VietJet Air
28 Oct - 12 Nov	Thai AirAsia
31 Oct - 09 Nov	Thai AirAsia
31 Oct - 17 Nov	Thai AirAsia

Also check the deals for one-way flights from Chiang Mai to Singapore 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 Singapore in October from 186€

Return flights