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

Return flights

10 Jan - 12 Jan	Scandinavian Airlines
23 Jan - 25 Jan	Scandinavian Airlines
12 Jan - 07 Feb	TAP
15 Jan - 07 Feb	TAP
22 Jan - 14 Feb	TAP
30 Jan - 14 Feb	TAP
12 Jan - 21 Jan	TAP
22 Jan - 29 Jan	TAP
30 Jan - 06 Feb	TAP
14 Jan - 09 Feb	TAP
23 Jan - 01 Feb	TAP
26 Jan - 02 Feb	TAP
22 Jan - 03 Feb	TAP
14 Jan - 23 Jan	TAP
18 Jan - 07 Feb	TAP
18 Jan - 25 Jan	Aer Lingus
04 Jan - 24 Jan	Air Canada
12 Jan - 18 Jan	Aer Lingus
05 Jan - 31 Jan	Air Canada
18 Jan - 21 Jan	Aer Lingus

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 $401

Return flights