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Cheapest one-way flights from London (LCY) to Madrid (MAD), May

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Dates, airline, and price
Dates	Airline	Price
31 May	British Airways Direct Flight
29 May	British Airways Direct Flight
26 May	British Airways Direct Flight
27 May	British Airways Direct Flight
30 May	KLM
25 May	British Airways Direct Flight
28 May	British Airways Direct Flight
24 May	British Airways Direct Flight
21 May	KLM
22 May	KLM

deals for return flights from London to Madrid in May.

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Updated May 21, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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Cheapest one-way flights from London (LCY) to Madrid (MAD), May

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