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

Return flights

22 Jan - 29 Jan	Icelandair
18 Jan - 24 Jan	Icelandair
16 Jan - 04 Feb	Icelandair
25 Jan - 03 Feb	Icelandair
10 Jan - 20 Jan	Icelandair
17 Jan - 24 Jan	Icelandair
17 Jan - 21 Jan	Icelandair
17 Jan - 19 Jan	Icelandair
17 Jan - 20 Jan	Icelandair
18 Jan - 22 Jan	Icelandair
24 Jan - 31 Jan	Icelandair
17 Jan - 22 Jan	Icelandair
31 Jan - 07 Feb	Icelandair
29 Jan - 04 Feb	Icelandair
24 Jan - 07 Feb	Icelandair
30 Jan - 03 Feb	Icelandair
29 Jan - 05 Feb	Icelandair
23 Jan - 06 Feb	Icelandair
29 Jan - 03 Feb	Icelandair
16 Jan - 07 Feb	Icelandair

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 338€

Return flights