AirHint found the following cheapest return flights from Detroit (DTW) to Istanbul (IST) in December 2025 (see full year).

Return flights

03 Dec - 14 Dec	Lufthansa
03 Dec - 15 Dec	Lufthansa
01 Dec - 08 Dec	Icelandair
07 Dec - 24 Dec	Air Canada
09 Dec - 21 Jan	Lufthansa
06 Dec - 24 Dec	Air Canada
04 Dec - 24 Dec	Delta
04 Dec - 09 Dec	Delta
04 Dec - 18 Dec	British Airways
04 Dec - 19 Dec	British Airways
04 Dec - 12 Dec	British Airways
12 Dec - 12 Jan	British Airways
12 Dec - 10 Jan	British Airways
28 Dec - 17 Jan	Air Canada
15 Dec - 08 Jan	Spirit Airlines
24 Dec - 17 Jan	Air Canada
14 Dec - 06 Jan	Spirit Airlines
24 Dec - 10 Jan	Spirit Airlines
09 Dec - 21 Jan	Turkish Airlines	direct
12 Dec - 04 Jan	Spirit Airlines

Also check the deals for one-way flights from Detroit 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 Detroit to Istanbul in December from $509

Return flights