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

Return flights

09 Dec - 16 Dec	Aer Lingus
01 Dec - 08 Dec	SWISS
26 Dec - 06 Jan	Air Canada
01 Dec - 08 Dec	British Airways	direct
23 Dec - 04 Jan	Air Canada
26 Dec - 06 Jan	United	direct
16 Dec - 10 Jan	TAP
24 Dec - 30 Dec	United	direct
22 Dec - 30 Dec	Virgin Atlantic
23 Dec - 05 Jan	United	direct
18 Dec - 23 Dec	Icelandair
12 Dec - 09 Jan	United
16 Dec - 10 Jan	British Airways	direct
26 Dec - 27 Dec	United
15 Dec - 04 Jan	SWISS
22 Dec - 30 Dec	Lufthansa	direct
26 Dec - 01 Jan	Aer Lingus
16 Dec - 04 Jan	TAP
18 Dec - 23 Dec	British Airways	direct

Also check the deals for one-way flights from Newark to London in December.

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 December from 436€

Return flights