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

Return flights

14 Jan - 19 Jan	Air Canada
20 Jan - 26 Jan	TAP
20 Jan - 05 Feb	TAP
16 Jan - 23 Jan	TAP
13 Jan - 27 Jan	TAP
20 Jan - 27 Jan	TAP
26 Jan - 02 Feb	TAP
16 Jan - 25 Jan	TAP
08 Jan - 12 Jan	TAP
14 Jan - 21 Jan	TAP
15 Jan - 19 Jan	TAP
13 Jan - 28 Jan	TAP
26 Jan - 21 Feb	Aer Lingus
07 Jan - 04 Feb	Icelandair
19 Jan - 14 Feb	Aer Lingus
14 Jan - 07 Feb	TAP
27 Jan - 21 Feb	TAP
12 Jan - 07 Feb	TAP
21 Jan - 14 Feb	TAP
01 Jan - 18 Feb	TAP

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 $402

Return flights