AirHint found the following cheapest return flights from Delhi (DEL) to Istanbul (IST) in January 2026 (see full year).

Return flights

09 Jan - 16 Jan	Kuwait Airways
02 Jan - 09 Jan	Kuwait Airways
14 Jan - 20 Jan	Kuwait Airways
31 Jan - 06 Feb	Air Arabia
31 Jan - 06 Feb	IndiGo	direct
14 Jan - 20 Jan	IndiGo	direct
09 Jan - 16 Jan	IndiGo	direct
09 Jan - 18 Jan	IndiGo	direct
02 Jan - 09 Jan	IndiGo	direct

Also check the deals for one-way flights from Delhi to Istanbul in January.

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 Delhi to Istanbul in January from $288

Return flights