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

Return flights

11 Sep - 18 Sep	IndiGo
11 Sep - 13 Sep	IndiGo
08 Sep - 09 Sep	IndiGo
04 Sep - 06 Sep	IndiGo
02 Sep - 08 Sep	IndiGo
07 Sep - 08 Sep	IndiGo
16 Sep - 19 Sep	IndiGo
14 Sep - 21 Sep	IndiGo
13 Sep - 20 Sep	IndiGo
13 Sep - 21 Sep	IndiGo	direct
30 Sep - 03 Oct	IndiGo	direct
29 Sep - 03 Oct	IndiGo	direct
30 Sep - 05 Oct	IndiGo

Also check the deals for one-way flights from Madras to Kochi 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 Madras to Kochi in September from $83

Return flights