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

Return flights

28 Aug - 30 Aug	Thai VietJet Air
27 Aug - 30 Aug	Thai VietJet Air
30 Aug - 08 Sep	Thai Lion Air
29 Aug - 01 Sep	Thai VietJet Air
25 Aug - 26 Aug	Thai VietJet Air
29 Aug - 06 Sep	Thai VietJet Air
20 Aug - 27 Aug	Scoot
30 Aug - 03 Sep	Thai AirAsia
21 Aug - 25 Aug	Scoot	direct
30 Aug - 03 Sep	Scoot	direct
30 Aug - 06 Sep	Scoot
30 Aug - 08 Sep	Scoot	direct
29 Aug - 01 Sep	Scoot	direct
30 Aug - 15 Sep	Thai AirAsia
28 Aug - 15 Sep	Thai AirAsia
26 Aug - 31 Aug	Thai AirAsia
27 Aug - 31 Aug	Thai AirAsia
29 Aug - 30 Aug	Thai AirAsia
26 Aug - 30 Aug	Thai AirAsia
22 Aug - 31 Aug	Thai AirAsia

Also check the deals for one-way flights from Chiang Mai to Singapore in August.

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 August from 150€

Return flights