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

Return flights

23 Jan - 25 Jan	Air Canada
28 Jan - 03 Feb	TAP
28 Jan - 04 Feb	TAP
09 Jan - 18 Jan	SWISS
31 Jan - 15 Feb	Aer Lingus
12 Jan - 26 Jan	SWISS
27 Jan - 04 Feb	TAP
23 Jan - 30 Jan	Air Canada
23 Jan - 26 Jan	Air Canada
16 Jan - 25 Jan	Air Canada
15 Jan - 20 Jan	Air Canada
14 Jan - 25 Jan	Air Canada
12 Jan - 19 Jan	Air Canada
16 Jan - 19 Jan	Air Canada
27 Jan - 02 Feb	TAP
24 Jan - 01 Feb	Aer Lingus
31 Jan - 08 Feb	Aer Lingus
25 Jan - 07 Feb	Aer Lingus
30 Jan - 08 Feb	Aer Lingus
25 Jan - 01 Feb	Aer Lingus

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 $433

Return flights