Cheapest return flights from Bangkok to Singapore in September from $117

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

Return flights

25 Sep - 28 Sep Thai Lion Air direct
19 Sep - 20 Sep Thai AirAsia
24 Sep - 01 Oct Thai Lion Air direct
21 Sep - 23 Sep Thai AirAsia
12 Sep - 15 Sep Thai Lion Air direct
21 Sep - 08 Oct Thai Lion Air
05 Sep - 09 Sep Thai Lion Air direct
21 Sep - 23 Sep Thai Lion Air direct
05 Sep - 10 Sep Thai Lion Air direct
10 Sep - 15 Sep Thai Lion Air direct
06 Sep - 13 Sep Thai Lion Air direct
18 Sep - 21 Sep Thai Lion Air direct
30 Sep - 07 Oct Thai Lion Air
24 Sep - 14 Oct Thai AirAsia direct
30 Sep - 05 Oct Thai Lion Air direct
30 Sep - 07 Oct Thai Lion Air direct
23 Sep - 01 Oct Thai AirAsia direct
18 Sep - 01 Oct Thai AirAsia direct
24 Sep - 05 Oct Thai AirAsia direct
24 Sep - 07 Oct Thai AirAsia direct

Also check the deals for one-way flights from Bangkok 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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