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

Return flights

24 Dec - 01 Jan	Air France
12 Dec - 01 Jan	Air France
24 Dec - 30 Dec	LOT
01 Dec - 11 Dec	LOT
01 Dec - 10 Dec	LOT
08 Dec - 14 Dec	LOT
10 Dec - 24 Dec	LOT
10 Dec - 25 Dec	LOT
15 Dec - 06 Jan	LOT
13 Dec - 28 Dec	LOT
25 Dec - 10 Jan	Air France
18 Dec - 30 Dec	Air France
30 Dec - 06 Jan	LOT
26 Dec - 06 Jan	KLM
15 Dec - 12 Jan	Lufthansa
12 Dec - 18 Jan	Lufthansa
03 Dec - 07 Dec	British Airways
01 Dec - 12 Dec	British Airways
25 Dec - 12 Jan	British Airways
24 Dec - 08 Jan	British Airways

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 434€

Return flights