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

Return flights

03 Dec - 12 Dec	Air Canada
01 Dec - 08 Dec	SWISS
01 Dec - 15 Dec	Aer Lingus
02 Dec - 11 Dec	Air Canada
05 Dec - 12 Dec	Air Canada
28 Dec - 16 Jan	Air Canada
09 Dec - 16 Dec	Austrian Airlines
10 Dec - 20 Jan	Aer Lingus
01 Dec - 17 Dec	Aer Lingus
04 Dec - 14 Dec	Scandinavian Airlines
28 Dec - 14 Jan	Air Canada
07 Dec - 23 Dec	Aer Lingus
30 Dec - 12 Jan	Air Canada
25 Dec - 31 Dec	Scandinavian Airlines
09 Dec - 20 Jan	Aer Lingus
09 Dec - 27 Jan	Aer Lingus
31 Dec - 07 Jan	Air Canada
15 Dec - 16 Jan	Aer Lingus
27 Dec - 14 Jan	Icelandair
14 Dec - 19 Jan	FrenchBee

Also check the deals for one-way flights from Newark 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 Newark to Istanbul in December from $476

Return flights