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

Return flights

28 Oct - 06 Nov	Air Canada
14 Oct - 23 Oct	Air Canada
20 Oct - 31 Oct	Air Canada
19 Oct - 31 Oct	Air Canada
19 Oct - 29 Oct	Air Canada
05 Oct - 16 Oct	Air Canada
27 Oct - 12 Nov	SWISS
13 Oct - 24 Oct	United
15 Oct - 22 Oct	SWISS
26 Oct - 12 Nov	United	direct
19 Oct - 22 Oct	Aer Lingus
01 Oct - 08 Oct	SWISS
21 Oct - 28 Oct	SWISS
21 Oct - 03 Nov	Air Canada
28 Oct - 13 Nov	TAP
31 Oct - 05 Nov	TAP
22 Oct - 03 Nov	Air Canada
28 Oct - 04 Nov	TAP
29 Oct - 06 Nov	SWISS
27 Oct - 05 Nov	United	direct

Also check the deals for one-way flights from Newark to Madrid 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 Madrid in October from $338

Return flights