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

Return flights

02 Sep - 09 Sep	Thai Lion Air
20 Sep - 29 Sep	IndiGo
14 Sep - 19 Sep	Thai AirAsia
24 Sep - 29 Sep	AirAsia
22 Sep - 29 Sep	Thai Lion Air
10 Sep - 17 Sep	Thai AirAsia
23 Sep - 29 Sep	Air India
17 Sep - 23 Sep	Thai AirAsia
27 Sep - 11 Oct	Air India
28 Sep - 11 Oct	Air India
19 Sep - 26 Sep	Thai AirAsia
03 Sep - 17 Sep	Thai AirAsia
24 Sep - 01 Oct	Thai Airways
22 Sep - 02 Oct	Thai AirAsia
30 Sep - 04 Oct	Singapore Airlines
24 Sep - 02 Oct	Thai AirAsia
29 Sep - 03 Oct	Singapore Airlines
26 Sep - 04 Oct	Thai AirAsia
28 Sep - 05 Oct	Singapore Airlines
26 Sep - 03 Oct	Thai Airways

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 $458

Return flights