AirHint found the following cheapest return flights from Kolkata (CCU) to Tokyo (NRT) in September 2025 (see full year).

Return flights

23 Sep - 30 Sep	IndiGo
04 Sep - 09 Sep	Thai AirAsia
17 Sep - 23 Sep	IndiGo
18 Sep - 28 Sep	IndiGo
20 Sep - 30 Sep	Malaysia Airlines
16 Sep - 23 Sep	IndiGo
06 Sep - 13 Sep	Malaysia Airlines
06 Sep - 14 Sep	Malaysia Airlines
18 Sep - 30 Sep	IndiGo
13 Sep - 23 Sep	IndiGo
21 Sep - 03 Oct	Malaysia Airlines
16 Sep - 03 Oct	Singapore Airlines
24 Sep - 06 Oct	Malaysia Airlines
24 Sep - 01 Oct	IndiGo
22 Sep - 02 Oct	IndiGo
26 Sep - 13 Oct	Thai Airways
25 Sep - 07 Oct	Air India
28 Sep - 06 Oct	Malaysia Airlines
26 Sep - 07 Oct	Thai Airways
28 Sep - 08 Oct	Malaysia Airlines

Also check the deals for one-way flights from Kolkata to Tokyo 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 Kolkata to Tokyo in September from 373€

Return flights