AirHint found the following cheapest return flights from Penang (PEN) to Shenzhen (SZX) in September 2025 (see full year).

Return flights

29 Sep - 06 Oct	Firefly
28 Sep - 05 Oct	Thai AirAsia
20 Sep - 25 Sep	Firefly
03 Sep - 23 Sep	AirAsia	direct
29 Sep - 18 Oct	AirAsia	direct
29 Sep - 11 Oct	AirAsia	direct
09 Sep - 23 Sep	Thai AirAsia
03 Sep - 11 Sep	AirAsia	direct
16 Sep - 23 Sep	Thai AirAsia
29 Sep - 05 Oct	AirAsia
09 Sep - 11 Sep	Thai AirAsia
29 Sep - 05 Oct	AirAsia	direct
28 Sep - 18 Oct	Thai AirAsia
28 Sep - 11 Oct	Thai AirAsia
01 Sep - 04 Sep	Thai AirAsia
18 Sep - 23 Sep	AirAsia
03 Sep - 04 Sep	AirAsia
01 Sep - 04 Sep	AirAsia	direct
16 Sep - 05 Oct	Thai AirAsia
16 Sep - 06 Oct	Thai AirAsia

Also check the deals for one-way flights from Penang to Shenzhen 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 return flights from Penang to Shenzhen in September from 161€

Return flights