Cheapest one-way flights from Bangkok to Singapore in September from $43

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

One-Way flights

18 Sep Thai Lion Air direct
04 Sep Thai Lion Air direct
24 Sep Thai Lion Air direct
10 Sep Thai Lion Air direct
03 Sep Thai Lion Air direct
05 Sep Thai Lion Air direct
30 Sep Thai Lion Air direct
25 Sep Thai Lion Air direct
06 Sep Thai Lion Air direct
26 Sep Thai AirAsia direct

Also check the deals for return flights from Bangkok to Singapore in September.

Skyscanner

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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