Cheapest return flights from London to Newark in December from $516

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

Return flights

10 Dec - 13 Jan Lufthansa
09 Dec - 18 Jan Lufthansa
05 Dec - 08 Dec SWISS
10 Dec - 12 Jan Lufthansa
05 Dec - 15 Dec SWISS
05 Dec - 11 Dec SWISS
05 Dec - 10 Dec SWISS
09 Dec - 15 Dec SWISS
10 Dec - 15 Dec SWISS
13 Dec - 15 Dec SWISS
16 Dec - 12 Jan SWISS
16 Dec - 14 Jan Lufthansa
16 Dec - 13 Jan Lufthansa
24 Dec - 14 Jan Delta
24 Dec - 27 Jan Delta
24 Dec - 28 Jan Delta
06 Dec - 09 Dec SWISS
17 Dec - 15 Jan SWISS
12 Dec - 16 Dec SWISS
05 Dec - 07 Dec SWISS

Also check the deals for one-way flights from London to Newark in December.

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