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

Return flights

02 Oct - 23 Oct	TAP
07 Oct - 21 Oct	TAP
15 Oct - 21 Oct	TAP
16 Oct - 22 Oct	TAP
07 Oct - 16 Oct	TAP
15 Oct - 22 Oct	TAP
06 Oct - 16 Oct	TAP
06 Oct - 15 Oct	TAP
15 Oct - 20 Oct	TAP
07 Oct - 14 Oct	TAP
06 Oct - 03 Nov	TAP
29 Oct - 01 Nov	Air Canada
26 Oct - 12 Nov	Aer Lingus
26 Oct - 20 Nov	Air Canada
30 Oct - 04 Nov	Air Canada
31 Oct - 03 Nov	Air Canada
29 Oct - 05 Nov	Aer Lingus
16 Oct - 03 Nov	Aer Lingus
30 Oct - 05 Nov	Air Canada
31 Oct - 04 Nov	Air Canada

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 $363

Return flights