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

Return flights

01 Dec - 08 Dec	Icelandair
09 Dec - 16 Dec	SWISS
06 Dec - 13 Dec	Austrian Airlines
04 Dec - 11 Dec	Aer Lingus
03 Dec - 11 Dec	Aer Lingus
05 Dec - 12 Dec	Aer Lingus
03 Dec - 10 Dec	Scandinavian Airlines
04 Dec - 18 Dec	Aer Lingus
09 Dec - 23 Dec	Aer Lingus
24 Dec - 01 Jan	Scandinavian Airlines
08 Dec - 15 Dec	Scandinavian Airlines
31 Dec - 14 Jan	Aer Lingus
25 Dec - 01 Jan	Scandinavian Airlines
29 Dec - 12 Jan	FrenchBee
26 Dec - 10 Jan	FrenchBee
13 Dec - 05 Jan	FrenchBee
14 Dec - 05 Jan	FrenchBee
12 Dec - 03 Jan	FrenchBee
15 Dec - 10 Jan	Aer Lingus
21 Dec - 05 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 515€

Return flights