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

Return flights

25 Oct - 28 Oct	Thai AirAsia
27 Oct - 30 Oct	Scoot
24 Oct - 10 Nov	Thai VietJet Air
29 Oct - 01 Nov	Thai VietJet Air
25 Oct - 29 Oct	Thai AirAsia
27 Oct - 30 Oct	Scoot	direct
30 Oct - 02 Nov	Thai AirAsia
19 Oct - 26 Oct	AirAsia
27 Oct - 01 Nov	Scoot
25 Oct - 28 Oct	Scoot	direct
30 Oct - 02 Nov	Scoot	direct
29 Oct - 01 Nov	Scoot	direct
19 Oct - 16 Nov	Scoot
27 Oct - 01 Nov	Scoot	direct
19 Oct - 23 Oct	AirAsia
25 Oct - 29 Oct	Scoot	direct
24 Oct - 10 Nov	Scoot	direct
21 Oct - 23 Oct	AirAsia
19 Oct - 26 Oct	Scoot	direct
19 Oct - 16 Nov	Scoot	direct

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.

Book a cheap hotel in Singapore

Cheap car rent in Singapore

Cheapest return flights from Chiang Mai to Singapore in October from $247

Return flights