AirHint found the following cheapest return flights from Dallas-Fort Worth (DFW) to Istanbul (IST) in October 2025 (see full year).

Return flights

01 Oct - 08 Oct	Frontier Airlines
07 Oct - 11 Oct	Frontier Airlines
11 Oct - 18 Oct	Frontier Airlines
15 Oct - 31 Oct	Frontier Airlines
30 Oct - 13 Nov	Lufthansa
15 Oct - 31 Oct	Turkish Airlines	direct
21 Oct - 29 Oct	Air France
21 Oct - 29 Oct	Turkish Airlines	direct
01 Oct - 08 Oct	Turkish Airlines	direct
30 Oct - 13 Nov	Turkish Airlines	direct
03 Oct - 17 Oct	Turkish Airlines	direct

Also check the deals for one-way flights from Dallas-Fort Worth 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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Cheapest return flights from Dallas-Fort Worth to Istanbul in October from 513€

Return flights