AirHint found the following cheapest return flights from Newark (EWR) to London (STN) in June 2025 (see full year).

Return flights

30 Jun - 11 Jul	Air Canada
30 Jun - 10 Jul	Air Canada
30 Jun - 07 Jul	Air Canada
23 Jun - 30 Jun	Air Canada
23 Jun - 06 Jul	Air Canada
24 Jun - 30 Jun	Air Canada
29 Jun - 08 Jul	Air Canada
23 Jun - 03 Jul	Air Canada
24 Jun - 04 Jul	Air Canada
30 Jun - 02 Jul	Air Canada
20 Jun - 24 Jun	Air Canada
20 Jun - 25 Jun	Air Canada
23 Jun - 01 Jul	Air Canada
27 Jun - 10 Jul	Air Canada
23 Jun - 28 Jun	Air Canada
21 Jun - 28 Jun	Air Canada
23 Jun - 29 Jun	Air Canada
25 Jun - 30 Jun	Air Canada
17 Jun - 24 Jun	Air Canada
18 Jun - 22 Jun	Scandinavian Airlines

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

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 June from $537

Return flights