AirHint found the following cheapest return flights from Kuala Lumpur (KUL) to Penang (PEN) in September 2026 (see full year).

Return flights

28 Sep - 01 Oct	AirAsia	direct
08 Sep - 10 Sep	AirAsia	direct
04 Sep - 10 Sep	Firefly	direct
19 Sep - 26 Sep	AirAsia	direct
16 Sep - 02 Oct	AirAsia	direct
16 Sep - 25 Sep	AirAsia	direct
15 Sep - 22 Sep	Malaysia Airlines	direct
18 Sep - 20 Sep	Malaysia Airlines	direct
17 Sep - 21 Sep	Malaysia Airlines	direct

Also check the deals for one-way flights from Kuala Lumpur 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.

Book a cheap hotel in Penang

Cheap car rent in Penang

Cheapest return flights from Kuala Lumpur to Penang in September from $20

Return flights