AirHint found the following cheapest return flights from Kuala Lumpur (KUL) to Singapore (SIN) in September 2026 (see full year).
Return flights
| 25 Sep - 27 Sep | Scoot | direct | |
| 24 Sep - 28 Sep | Scoot | direct | |
| 11 Sep - 14 Sep | Scoot | direct | |
| 10 Sep - 13 Sep | Scoot | direct |
Also check the deals for one-way flights from Kuala Lumpur to Singapore in September.
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