AirHint found the following cheapest return flights from Penang (PEN) to Seoul (ICN) in April 2026 (see full year).

Return flights

07 Apr - 13 Apr	Scoot
10 Apr - 18 Apr	Scoot
24 Apr - 06 May	AirAsia
24 Apr - 01 May	AirAsia
07 Apr - 15 Apr	AirAsia
22 Apr - 06 May	AirAsia
07 Apr - 10 Apr	AirAsia
01 Apr - 07 Apr	China Southern
04 Apr - 10 Apr	China Southern
01 Apr - 15 Apr	AirAsia
01 Apr - 13 Apr	AirAsia
01 Apr - 10 Apr	AirAsia
22 Apr - 01 May	AirAsia
01 Apr - 06 Apr	AirAsia

Also check the deals for one-way flights from Penang to Seoul in April.

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 Seoul in April from $324

Return flights