Cheapest return CNX–SIN flights, September

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

Return flights

19 Sep - 23 Sep Scoot
19 Sep - 23 Sep Scoot direct
02 Sep - 06 Sep Thai VietJet Air
03 Sep - 06 Sep Thai VietJet Air
02 Sep - 06 Sep Scoot direct
03 Sep - 06 Sep Scoot direct
22 Sep - 25 Sep Thai VietJet Air
22 Sep - 25 Sep Scoot direct

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

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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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