AirHint found the following cheapest return flights from Kolkata (CCU) to Istanbul (IST) in October 2025 (see full year).
Return flights
| 17 Oct - 26 Oct | Akasa Air | ||
| 18 Oct - 26 Oct | Akasa Air | ||
| 22 Oct - 28 Oct | Akasa Air | ||
| 02 Oct - 07 Oct | Akasa Air | ||
| 25 Oct - 09 Nov | Akasa Air | ||
| 01 Oct - 07 Oct | Qatar Airways |
Also check the deals for one-way flights from Kolkata to Istanbul in October.
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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