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

Return flights

06 Oct - 21 Oct	TAP
27 Oct - 10 Nov	TAP
17 Oct - 03 Nov	TAP
28 Oct - 12 Nov	TAP
24 Oct - 03 Nov	TAP
24 Oct - 02 Nov	TAP
14 Oct - 21 Oct	TAP
19 Oct - 03 Nov	TAP
19 Oct - 02 Nov	TAP
27 Oct - 17 Nov	TAP
14 Oct - 22 Oct	TAP
10 Oct - 12 Oct	Scandinavian Airlines
13 Oct - 16 Oct	Scandinavian Airlines
04 Oct - 06 Oct	Scandinavian Airlines
19 Oct - 21 Oct	SWISS
31 Oct - 02 Nov	Scandinavian Airlines
15 Oct - 20 Oct	TAP
08 Oct - 15 Oct	TAP
08 Oct - 21 Oct	TAP
25 Oct - 19 Nov	Aer Lingus

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

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 October from $388

Return flights