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

Return flights

11 Sep - 17 Sep	Akasa Air
29 Sep - 06 Oct	Air India
11 Sep - 18 Sep	Air India
28 Sep - 05 Oct	Air India
25 Sep - 17 Oct	Air India
26 Sep - 16 Oct	Air India
03 Sep - 10 Sep	IndiGo
11 Sep - 17 Sep	Qatar Airways	direct
11 Sep - 18 Sep	Qatar Airways	direct
29 Sep - 06 Oct	Qatar Airways	direct
03 Sep - 10 Sep	Qatar Airways	direct
28 Sep - 05 Oct	Qatar Airways	direct
25 Sep - 17 Oct	Qatar Airways	direct
26 Sep - 16 Oct	Qatar Airways	direct

Also check the deals for one-way flights from Kolkata to Doha 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 Doha in September from 308€

Return flights