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

Return flights

02 Dec - 16 Dec	Delta
02 Dec - 13 Dec	Lufthansa
04 Dec - 10 Dec	Lufthansa
30 Dec - 14 Jan	Delta
31 Dec - 27 Jan	KLM
02 Dec - 18 Dec	KLM
03 Dec - 16 Dec	Spirit Airlines
01 Dec - 16 Dec	Lufthansa
08 Dec - 16 Dec	Lufthansa
08 Dec - 17 Dec	Lufthansa
04 Dec - 17 Dec	Lufthansa
13 Dec - 10 Jan	Spirit Airlines
02 Dec - 23 Dec	KLM
15 Dec - 10 Jan	Frontier Airlines
04 Dec - 07 Jan	Spirit Airlines
16 Dec - 10 Jan	Spirit Airlines
29 Dec - 12 Jan	Lufthansa
30 Dec - 15 Jan	Frontier Airlines
29 Dec - 10 Jan	Lufthansa
31 Dec - 15 Jan	Frontier Airlines

Also check the deals for one-way flights from Dallas-Fort Worth to Istanbul in December.

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 December from 496€

Return flights