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

Return flights

18 Aug - 01 Sep	Air Canada
19 Aug - 02 Sep	Air Canada
25 Aug - 03 Sep	Air Canada
19 Aug - 18 Sep	Lufthansa
19 Aug - 17 Sep	Lufthansa
19 Aug - 26 Aug	Lufthansa
17 Aug - 28 Aug	Lufthansa
03 Aug - 20 Aug	Lufthansa
03 Aug - 24 Aug	Air Canada
12 Aug - 19 Aug	British Airways
02 Aug - 30 Aug	British Airways
15 Aug - 30 Aug	British Airways
02 Aug - 29 Aug	British Airways
26 Aug - 08 Sep	Lufthansa
22 Aug - 12 Sep	British Airways
14 Aug - 26 Aug	British Airways
06 Aug - 18 Aug	Air Canada

Also check the deals for one-way flights from New York 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 New York to Madrid in August from $339

Return flights