AirHint found the following cheapest return flights from Istanbul (IST) to Delhi (DEL) in October 2025 (see full year).

Return flights

03 Oct - 10 Oct	Pegasus Airlines
14 Oct - 21 Oct	AZAL
01 Oct - 15 Oct	AZAL
12 Oct - 17 Oct	Pegasus Airlines
24 Oct - 17 Nov	Flynas
24 Oct - 28 Oct	Flynas
08 Oct - 20 Oct	Flynas
05 Oct - 21 Oct	Flynas
14 Oct - 16 Oct	AZAL
25 Oct - 04 Nov	AZAL
04 Oct - 11 Oct	Pegasus Airlines
17 Oct - 26 Oct	AZAL
09 Oct - 02 Nov	Flynas
25 Oct - 01 Nov	Flynas
19 Oct - 02 Nov	Flynas
31 Oct - 10 Nov	Kuwait Airways
19 Oct - 04 Nov	Flynas
24 Oct - 17 Nov	Turkish Airlines	direct
09 Oct - 02 Nov	Turkish Airlines	direct
25 Oct - 01 Nov	Turkish Airlines	direct

Also check the deals for one-way flights from Istanbul to Delhi 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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Cheapest return flights from Istanbul to Delhi in October from $329

Return flights