AirHint found the following cheapest return flights from Chiang Mai (CNX) to Singapore (SIN) in March 2026 (see full year).

Return flights

05 Mar - 09 Mar	Thai VietJet Air
26 Mar - 05 Apr	Thai Lion Air
05 Mar - 11 Mar	Thai VietJet Air
06 Mar - 10 Mar	Thai AirAsia
05 Mar - 08 Mar	Thai VietJet Air
03 Mar - 04 Mar	Scoot
12 Mar - 16 Mar	Thai VietJet Air
12 Mar - 17 Mar	Thai VietJet Air
03 Mar - 07 Mar	Scoot
24 Mar - 27 Mar	Thai VietJet Air
14 Mar - 04 Apr	Thai AirAsia
18 Mar - 24 Mar	Scoot
26 Mar - 05 Apr	Scoot	direct
14 Mar - 04 Apr	Scoot	direct
30 Mar - 18 Apr	Malaysia Airlines
30 Mar - 18 Apr	Scoot	direct

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

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 March from $161

Return flights