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

Return flights

19 Apr - 21 Apr	Air Canada
01 Apr - 15 Apr	Air Canada
14 Apr - 20 Apr	Air Canada
04 Apr - 18 Apr	Air Canada
16 Apr - 23 Apr	Air Canada
02 Apr - 09 Apr	Air Canada
03 Apr - 12 Apr	Air Canada
20 Apr - 01 May	Icelandair
26 Apr - 01 May	Icelandair
20 Apr - 01 May	Finnair	direct
14 Apr - 20 Apr	British Airways	direct
01 Apr - 15 Apr	American Airlines	direct
04 Apr - 18 Apr	American Airlines	direct
26 Apr - 01 May	British Airways	direct
29 Apr - 03 May	Finnair	direct
28 Apr - 03 May	Finnair	direct

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

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 April from $387

Return flights