AirHint found the following cheapest return flights from London (LCY) to New York (JFK) in January 2026 (see full year).

Return flights

20 Jan - 27 Jan	SWISS
15 Jan - 20 Jan	SWISS
12 Jan - 17 Jan	SWISS
07 Jan - 14 Jan	SWISS
23 Jan - 27 Jan	SWISS
23 Jan - 28 Jan	SWISS
16 Jan - 20 Jan	SWISS
26 Jan - 02 Feb	SWISS
29 Jan - 04 Feb	SWISS
29 Jan - 26 Feb	SWISS
30 Jan - 03 Feb	SWISS
29 Jan - 10 Feb	SWISS
30 Jan - 09 Feb	SWISS
29 Jan - 02 Feb	SWISS
26 Jan - 03 Feb	SWISS
30 Jan - 02 Feb	SWISS
30 Jan - 04 Feb	SWISS
09 Jan - 13 Jan	SWISS
08 Jan - 18 Jan	SWISS
22 Jan - 27 Jan	SWISS

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

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 London to New York in January from 375€

Return flights