AirHint found the following cheapest return flights from Penang (PEN) to Singapore (SIN) in June 2025 (see full year).

Return flights

30 Jun - 02 Jul	Firefly
29 Jun - 02 Jul	Firefly
30 Jun - 14 Jul	AirAsia
29 Jun - 06 Jul	Batik Air Malaysia
30 Jun - 20 Jul	AirAsia
30 Jun - 13 Jul	AirAsia
30 Jun - 15 Jul	AirAsia
29 Jun - 29 Jun	AirAsia
30 Jun - 08 Jul	AirAsia
30 Jun - 21 Jul	AirAsia
29 Jun - 14 Jul	AirAsia
30 Jun - 30 Jun	AirAsia
29 Jun - 29 Jun	AirAsia	direct
30 Jun - 30 Jun	AirAsia	direct

Also check the deals for one-way flights from Penang to Singapore in June.

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 Singapore in June from $177

Return flights