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

Return flights

30 Dec - 12 Jan	Icelandair
08 Dec - 15 Dec	TAP
08 Dec - 16 Dec	TAP
08 Dec - 13 Dec	TAP
30 Dec - 09 Jan	TAP
08 Dec - 16 Dec	Lufthansa	direct
28 Dec - 10 Jan	TAP
30 Dec - 12 Jan	Lufthansa	direct
10 Dec - 14 Dec	Lufthansa	direct
27 Dec - 13 Jan	Aer Lingus
27 Dec - 12 Jan	Aer Lingus
09 Dec - 16 Dec	SWISS
10 Dec - 17 Dec	SWISS
11 Dec - 12 Jan	Lufthansa	direct
11 Dec - 16 Dec	Lufthansa	direct
11 Dec - 15 Dec	SWISS
08 Dec - 14 Dec	Lufthansa	direct
29 Dec - 14 Jan	Delta
29 Dec - 15 Jan	Delta
31 Dec - 12 Jan	Delta

Also check the deals for one-way flights from Newark to Frankfurt 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 Frankfurt in December from 499€

Return flights