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

Return flights

24 Sep - 06 Oct	VietJet Air
24 Sep - 20 Oct	VietJet Air
24 Sep - 04 Oct	VietJet Air
24 Sep - 07 Oct	Air India
24 Sep - 13 Oct	Air India
24 Sep - 19 Oct	Air India
23 Sep - 20 Oct	Air India
23 Sep - 19 Oct	Air India
23 Sep - 14 Oct	Air India
22 Sep - 14 Oct	Air India
23 Sep - 30 Sep	Air India
22 Sep - 29 Sep	IndiGo
20 Sep - 23 Sep	Air India

Also check the deals for one-way flights from Tokyo 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 Tokyo to Kochi in September from $579

Return flights