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

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Dates, airline, and price
Dates	Airline	Price
04 Dec	British Airways Direct Flight
11 Dec	British Airways Direct Flight
15 Dec	British Airways Direct Flight
24 Dec	British Airways Direct Flight
08 Dec	KLM
25 Dec	KLM
30 Dec	KLM
16 Dec	British Airways Direct Flight
12 Dec	British Airways
08 Dec	British Airways Direct Flight

deals for return flights from London to Madrid in December.

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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), December

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