AirHint found the following cheapest one-way flights from Phuket (HKT) to Penang (PEN) in September 2025 (see full year).

One-Way flights

27 Sep	AirAsia
10 Sep	AirAsia
25 Sep	AirAsia
10 Sep	Firefly	direct
03 Sep	Firefly	direct
21 Sep	Firefly	direct
29 Sep	Firefly	direct
01 Sep	Malaysia Airlines	direct
17 Sep	Firefly	direct
08 Sep	Firefly	direct

Also check the deals for return flights from Phuket to Penang in September.

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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Cheapest one-way flights from Phuket to Penang in September from $54

One-Way flights