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

Return flights

12 Oct - 23 Oct	United
13 Oct - 23 Oct	United
14 Oct - 23 Oct	United
12 Oct - 15 Oct	Air Canada
11 Oct - 15 Oct	Air Canada
14 Oct - 24 Oct	Air Canada
01 Oct - 10 Oct	United
15 Oct - 22 Oct	United
07 Oct - 14 Oct	Air Canada
06 Oct - 16 Oct	Air Canada
28 Oct - 06 Nov	Delta
19 Oct - 05 Nov	United
29 Oct - 05 Nov	SWISS
30 Oct - 06 Nov	TAP
23 Oct - 08 Nov	TAP
31 Oct - 10 Nov	TAP
22 Oct - 15 Nov	TAP
15 Oct - 08 Nov	TAP
24 Oct - 01 Nov	TAP
25 Oct - 01 Nov	TAP

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 301€

Return flights