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

Return flights

26 Sep - 23 Oct	TAP
13 Sep - 21 Sep	Pegasus Airlines
19 Sep - 04 Oct	Pegasus Airlines
18 Sep - 01 Oct	Etihad Airways
20 Sep - 07 Oct	easyJet
21 Sep - 06 Oct	easyJet
20 Sep - 03 Oct	Pegasus Airlines
21 Sep - 03 Oct	easyJet
12 Sep - 19 Sep	Wizz Air
10 Sep - 17 Sep	Pegasus Airlines
06 Sep - 12 Sep	Pegasus Airlines

Also check the deals for one-way flights from Lisbon 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 Lisbon to Kochi in September from $639

Return flights