Cheapest return flights from London to New York in December from $425

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

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

Return flights

03 Dec - 10 Dec Air Canada
10 Dec - 15 Dec Air Canada
31 Dec - 21 Jan Lufthansa
09 Dec - 16 Dec Air Canada
10 Dec - 17 Dec United
04 Dec - 09 Dec Scandinavian Airlines
29 Dec - 15 Jan SWISS
04 Dec - 08 Dec Air Canada
10 Dec - 25 Dec Delta
01 Dec - 08 Dec SWISS
08 Dec - 15 Dec Delta
01 Dec - 15 Dec SWISS
15 Dec - 20 Jan SWISS
29 Dec - 15 Jan Delta direct
15 Dec - 20 Jan British Airways direct
31 Dec - 07 Jan British Airways direct
11 Dec - 09 Jan SWISS
20 Dec - 10 Jan Icelandair
11 Dec - 09 Jan British Airways direct
30 Dec - 05 Jan Icelandair

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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