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

Return flights

04 Dec - 10 Dec	Air France
11 Dec - 14 Dec	easyJet
04 Dec - 14 Dec	United
25 Dec - 10 Jan	Austrian Airlines
19 Dec - 29 Dec	Lufthansa
10 Dec - 17 Dec	LOT
05 Dec - 15 Dec	Lufthansa
23 Dec - 30 Dec	Turkish Airlines
19 Dec - 11 Jan	Lufthansa
23 Dec - 28 Dec	LOT
24 Dec - 28 Dec	LOT
19 Dec - 09 Jan	Lufthansa
08 Dec - 12 Dec	Turkish Airlines
14 Dec - 03 Jan	Lufthansa
17 Dec - 04 Jan	Austrian Airlines
29 Dec - 04 Jan	Wizz Air
19 Dec - 04 Jan	Lufthansa

Also check the deals for one-way flights from Sofia 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 Sofia to Newark in December from 500€

Return flights