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

Return flights

20 Jan - 05 Feb	TAP
12 Jan - 26 Jan	TAP
15 Jan - 19 Jan	TAP
07 Jan - 13 Jan	TAP
08 Jan - 15 Jan	TAP
06 Jan - 13 Jan	TAP
24 Jan - 06 Feb	TAP
09 Jan - 14 Jan	TAP
10 Jan - 21 Jan	TAP
08 Jan - 13 Jan	TAP
18 Jan - 20 Jan	Aer Lingus
08 Jan - 14 Jan	TAP
26 Jan - 02 Feb	Icelandair
09 Jan - 01 Feb	Icelandair
04 Jan - 07 Feb	Icelandair
23 Jan - 03 Feb	Icelandair

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 $421

Return flights