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

Return flights

28 Jan - 03 Feb	Kuwait Airways
19 Jan - 25 Jan	AZAL
19 Jan - 26 Jan	AZAL
20 Jan - 26 Jan	AZAL
25 Jan - 31 Jan	AZAL
19 Jan - 24 Jan	AZAL
26 Jan - 29 Jan	AZAL
24 Jan - 29 Jan	AZAL
21 Jan - 28 Jan	AZAL
23 Jan - 01 Feb	AZAL
29 Jan - 09 Feb	AZAL
30 Jan - 03 Feb	AZAL
23 Jan - 28 Jan	AZAL
18 Jan - 25 Jan	AZAL
31 Jan - 06 Feb	AZAL
15 Jan - 01 Feb	AZAL
28 Jan - 03 Feb	Turkish Airlines	direct
29 Jan - 09 Feb	Turkish Airlines	direct
30 Jan - 03 Feb	Turkish Airlines	direct
23 Jan - 01 Feb	Turkish Airlines	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 $304

Return flights