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

Return flights

16 Sep - 21 Sep	IndiGo
16 Sep - 20 Sep	IndiGo
19 Sep - 24 Sep	IndiGo
19 Sep - 26 Sep	IndiGo
15 Sep - 27 Sep	IndiGo
21 Sep - 01 Oct	IndiGo
24 Sep - 30 Sep	IndiGo
13 Sep - 20 Sep	Malaysia Airlines
22 Sep - 02 Oct	IndiGo
14 Sep - 24 Sep	Singapore Airlines
27 Sep - 18 Oct	IndiGo
30 Sep - 05 Oct	Malaysia Airlines
26 Sep - 13 Oct	IndiGo
26 Sep - 02 Oct	IndiGo
25 Sep - 05 Oct	IndiGo
27 Sep - 03 Oct	IndiGo
26 Sep - 03 Oct	IndiGo
28 Sep - 04 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 432€

Return flights