Cheapest return flights from London to Madrid in August from $366

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

Return flights

18 Aug - 21 Aug KLM
14 Aug - 16 Aug KLM
25 Aug - 31 Aug ITA Airways
11 Aug - 13 Aug ITA Airways
10 Aug - 13 Aug Lufthansa
20 Aug - 23 Aug Lufthansa
24 Aug - 31 Aug Lufthansa
01 Aug - 16 Aug KLM
07 Aug - 09 Aug KLM
27 Aug - 30 Aug ITA Airways

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

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