Cheapest return flights from London to New York in December from $634

Best time to book flights for London (LCY) to New York (JFK) flights at AirHint

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

Return flights

02 Dec - 09 Dec SWISS
04 Dec - 09 Dec SWISS
09 Dec - 15 Dec SWISS
01 Dec - 04 Dec SWISS
02 Dec - 07 Dec SWISS
10 Dec - 11 Jan KLM
06 Dec - 09 Dec SWISS
15 Dec - 07 Jan SWISS
04 Dec - 11 Dec SWISS
05 Dec - 09 Dec SWISS
03 Dec - 07 Dec SWISS
09 Dec - 14 Dec SWISS
12 Dec - 09 Jan SWISS
13 Dec - 10 Jan SWISS
31 Dec - 07 Jan SWISS
30 Dec - 04 Jan British Airways
30 Dec - 06 Jan SWISS
29 Dec - 07 Jan SWISS
27 Dec - 08 Jan SWISS
26 Dec - 09 Jan KLM

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

Skyscanner

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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