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

Return flights

01 Dec - 07 Dec	Aegean Airlines
23 Dec - 30 Dec	LOT
01 Dec - 08 Dec	Air France
13 Dec - 15 Jan	LOT
16 Dec - 25 Dec	LOT
02 Dec - 09 Dec	LOT
17 Dec - 24 Dec	LOT
10 Dec - 25 Dec	LOT
04 Dec - 11 Dec	LOT
02 Dec - 10 Dec	LOT
08 Dec - 27 Dec	Icelandair
19 Dec - 03 Jan	Icelandair
26 Dec - 03 Jan	Icelandair
31 Dec - 09 Jan	British Airways
09 Dec - 09 Jan	British Airways
24 Dec - 10 Jan	British Airways
25 Dec - 06 Jan	British Airways
20 Dec - 20 Jan	LOT
25 Dec - 01 Jan	Turkish Airlines	direct
25 Dec - 06 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 $438

Return flights