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

Return flights

26 Dec - 14 Jan	Icelandair
26 Dec - 10 Jan	Icelandair
15 Dec - 17 Jan	Air France
05 Dec - 08 Dec	Pegasus Airlines
26 Dec - 03 Jan	Icelandair
11 Dec - 22 Jan	Air France
03 Dec - 07 Dec	Pegasus Airlines
10 Dec - 30 Dec	LOT
11 Dec - 15 Jan	LOT
04 Dec - 13 Jan	LOT
18 Dec - 31 Dec	LOT
25 Dec - 31 Dec	LOT
11 Dec - 31 Jan	British Airways
18 Dec - 15 Jan	Lufthansa
15 Dec - 31 Dec	Lufthansa
16 Dec - 31 Dec	LOT
14 Dec - 31 Dec	Lufthansa
14 Dec - 30 Dec	LOT
15 Dec - 30 Dec	LOT
17 Dec - 14 Jan	Turkish Airlines	direct

Also check the deals for one-way flights from Istanbul to Newark 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 Istanbul to Newark in December from 402€

Return flights