AirHint found the following cheapest return flights from Newark (EWR) to London (STN) in January 2026 (see full year).

Return flights

19 Jan - 23 Jan	SWISS
12 Jan - 16 Jan	Icelandair
07 Jan - 13 Jan	Icelandair
18 Jan - 22 Jan	Icelandair
22 Jan - 29 Jan	TAP
15 Jan - 07 Feb	TAP
01 Jan - 06 Jan	Air Canada
19 Jan - 27 Jan	TAP
13 Jan - 19 Jan	TAP
20 Jan - 28 Jan	TAP
26 Jan - 02 Feb	TAP
18 Jan - 21 Jan	TAP
18 Jan - 07 Feb	Icelandair
22 Jan - 05 Feb	Icelandair
19 Jan - 02 Feb	Icelandair
30 Jan - 06 Feb	TAP
23 Jan - 01 Feb	Icelandair
12 Jan - 07 Feb	TAP
26 Jan - 21 Feb	TAP
11 Jan - 01 Feb	Air Canada

Also check the deals for one-way flights from Newark to London 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 Newark to London in January from $497

Return flights