Cheapest return flights from London to New York in December from 780€

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

Return flights

31 Dec - 29 Jan KLM
31 Dec - 20 Jan KLM
31 Dec - 08 Jan KLM
31 Dec - 12 Jan KLM
29 Dec - 26 Jan SWISS
31 Dec - 10 Jan SWISS
31 Dec - 19 Jan Lufthansa
28 Dec - 13 Jan KLM
29 Dec - 27 Jan SWISS
31 Dec - 07 Jan SWISS
29 Dec - 30 Dec ITA Airways
30 Dec - 31 Dec SWISS
29 Dec - 31 Dec KLM
28 Dec - 31 Dec Aer Lingus
28 Dec - 29 Dec British Airways
30 Dec - 30 Dec ITA Airways

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

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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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