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

Return flights

20 Jan - 29 Jan	TAP
14 Jan - 28 Jan	Aer Lingus
18 Jan - 25 Jan	Aer Lingus
12 Jan - 19 Jan	Aer Lingus
12 Jan - 21 Jan	Aer Lingus
19 Jan - 23 Jan	Aer Lingus
15 Jan - 19 Jan	Aer Lingus
12 Jan - 15 Jan	Aer Lingus
01 Jan - 09 Jan	Air Canada
24 Jan - 31 Jan	Air Canada
26 Jan - 03 Feb	Aer Lingus
31 Jan - 22 Feb	Air Canada
26 Jan - 03 Feb	British Airways	direct
31 Jan - 22 Feb	American Airlines	direct

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 $456

Return flights