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

Return flights

22 Jan - 02 Feb	SWISS
20 Jan - 27 Jan	SWISS
15 Jan - 18 Jan	SWISS
26 Jan - 31 Jan	SWISS
14 Jan - 21 Jan	SWISS
21 Jan - 28 Jan	Iberia
07 Jan - 14 Jan	KLM
14 Jan - 28 Jan	KLM
11 Jan - 29 Jan	KLM
24 Jan - 30 Jan	KLM
08 Jan - 14 Jan	KLM
28 Jan - 04 Feb	KLM
29 Jan - 02 Feb	KLM
31 Jan - 18 Feb	KLM
28 Jan - 02 Feb	KLM
28 Jan - 01 Feb	KLM
28 Jan - 11 Feb	KLM
26 Jan - 03 Feb	KLM
27 Jan - 03 Feb	KLM
28 Jan - 08 Feb	KLM

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 407€

Return flights