AirHint found the following cheapest return flights from Newark (EWR) to Madrid (MAD) in August 2026 (see full year).

Return flights

18 Aug - 22 Sep	Air Canada
03 Aug - 20 Aug	Air Canada
20 Aug - 27 Aug	Air Canada
06 Aug - 21 Aug	United
18 Aug - 31 Aug	Air Canada
15 Aug - 30 Aug	Iberia
14 Aug - 30 Aug	Iberia
18 Aug - 31 Aug	British Airways	direct
05 Aug - 12 Aug	Iberia
12 Aug - 27 Aug	British Airways	direct
11 Aug - 26 Aug	British Airways	direct
27 Aug - 02 Sep	Scandinavian Airlines
26 Aug - 13 Sep	Scandinavian Airlines
27 Aug - 02 Sep	British Airways	direct
26 Aug - 13 Sep	British Airways	direct

Also check the deals for one-way flights from Newark to Madrid in August.

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 August from 267€

Return flights