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

Return flights

03 Dec - 10 Dec	Air Canada
05 Dec - 12 Dec	TAP
02 Dec - 10 Dec	TAP
02 Dec - 11 Dec	TAP
02 Dec - 09 Dec	TAP
02 Dec - 07 Dec	TAP
14 Dec - 17 Jan	TAP
10 Dec - 18 Dec	Air Canada
04 Dec - 10 Dec	TAP
02 Dec - 08 Dec	TAP
04 Dec - 11 Dec	TAP
12 Dec - 13 Jan	TAP
31 Dec - 12 Jan	Aer Lingus
13 Dec - 17 Jan	TAP
13 Dec - 13 Jan	Aer Lingus
10 Dec - 10 Jan	Icelandair
12 Dec - 08 Jan	Aer Lingus
30 Dec - 27 Jan	Aer Lingus
15 Dec - 17 Jan	TAP
29 Dec - 27 Jan	Aer Lingus

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 $447

Return flights