AirHint found the following cheapest return flights from Seoul (ICN) to Madras (MAA) in September 2025 (see full year).

Return flights

23 Sep - 30 Sep	Scoot
24 Sep - 30 Sep	Scoot
26 Sep - 30 Sep	Thai AirAsia X
26 Sep - 03 Oct	Thai AirAsia X
26 Sep - 29 Sep	Thai AirAsia X
26 Sep - 02 Oct	Thai AirAsia X
26 Sep - 05 Oct	Thai AirAsia X
25 Sep - 22 Oct	Malaysia Airlines
26 Sep - 22 Oct	Malaysia Airlines
23 Sep - 28 Sep	Air India
23 Sep - 03 Oct	Air India
22 Sep - 30 Sep	AirAsia X
24 Sep - 03 Oct	AirAsia X
22 Sep - 03 Oct	AirAsia X
24 Sep - 29 Sep	AirAsia X
26 Sep - 28 Sep	Thai AirAsia X
25 Sep - 30 Sep	AirAsia X
25 Sep - 03 Oct	AirAsia X
25 Sep - 29 Sep	AirAsia X
24 Sep - 02 Oct	AirAsia X

Also check the deals for one-way flights from Seoul to Madras 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 Seoul to Madras in September from $389

Return flights