Cheapest return flights from Chiang Mai to Singapore in September from $169

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

Return flights

19 Sep - 22 Sep Thai VietJet Air
17 Sep - 21 Sep Thai VietJet Air
10 Sep - 13 Sep Thai VietJet Air
20 Sep - 02 Oct Thai VietJet Air
17 Sep - 21 Sep Scoot Tigerair direct
16 Sep - 18 Sep Scoot Tigerair direct
03 Sep - 15 Sep Thai AirAsia
23 Sep - 28 Sep Thai AirAsia
02 Sep - 15 Sep Thai AirAsia
06 Sep - 15 Sep Thai AirAsia
08 Sep - 15 Sep Thai AirAsia
20 Sep - 02 Oct Scoot Tigerair direct
23 Sep - 09 Oct Thai AirAsia
23 Sep - 08 Oct Thai AirAsia
23 Sep - 05 Oct Thai AirAsia
23 Sep - 02 Oct Thai AirAsia
23 Sep - 04 Oct Thai AirAsia
23 Sep - 12 Oct Thai AirAsia
24 Sep - 09 Oct Thai AirAsia
19 Sep - 09 Oct Thai AirAsia

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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