Cheapest return flights from Kolkata to Istanbul in October from $685

AirHint found the following cheapest return flights from Kolkata (CCU) to Istanbul (IST) in October 2026 (see full year).

Return flights

14 Oct - 20 Oct Qatar Airways
13 Oct - 18 Oct Qatar Airways

Also check the deals for one-way flights from Kolkata to Istanbul in October.

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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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