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

Return flights

29 Dec - 19 Jan	Condor	direct
12 Dec - 15 Dec	Air Canada
30 Dec - 07 Jan	Aer Lingus
06 Dec - 09 Dec	Air Canada
07 Dec - 09 Dec	Lufthansa
09 Dec - 30 Jan	Icelandair
09 Dec - 16 Dec	Singapore Airlines	direct
28 Dec - 12 Jan	Aer Lingus
25 Dec - 19 Jan	Condor	direct
07 Dec - 11 Jan	TAP
27 Dec - 14 Jan	Aer Lingus
27 Dec - 20 Jan	Aer Lingus
09 Dec - 30 Jan	Singapore Airlines	direct
30 Dec - 11 Jan	Norse Atlantic Airways
09 Dec - 15 Dec	LOT
10 Dec - 16 Dec	SWISS
09 Dec - 11 Dec	Iberia
07 Dec - 16 Dec	Singapore Airlines	direct
10 Dec - 12 Dec	SWISS
11 Dec - 18 Dec	Delta

Also check the deals for one-way flights from New York 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 New York to Frankfurt in December from $461

Return flights