Cheapest return flights from Bangkok to Singapore in September from $120

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

Return flights

22 Sep - 29 Sep Scoot Tigerair direct
25 Sep - 30 Sep Scoot Tigerair direct
15 Sep - 17 Sep Scoot Tigerair direct
20 Sep - 23 Sep Scoot Tigerair direct
13 Sep - 16 Sep Scoot Tigerair direct
10 Sep - 17 Sep Scoot Tigerair direct
03 Sep - 16 Sep Thai AirAsia direct
13 Sep - 13 Sep Scoot Tigerair direct
03 Sep - 22 Sep Thai AirAsia direct
17 Sep - 22 Sep Thai AirAsia direct
17 Sep - 05 Oct Thai AirAsia direct
17 Sep - 01 Oct Thai AirAsia direct
23 Sep - 05 Oct Thai AirAsia direct
23 Sep - 01 Oct Thai AirAsia direct
29 Sep - 05 Oct Thai AirAsia direct
24 Sep - 01 Oct Scoot Tigerair direct
17 Sep - 07 Oct Thai AirAsia direct
22 Sep - 05 Oct Thai AirAsia direct
22 Sep - 01 Oct Thai AirAsia direct
17 Sep - 04 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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