Cheapest return flights from London to Madrid in December from $197

AirHint found the following cheapest return flights from London (LCY) to Madrid (MAD) in December 2025 (see full year).

Return flights

26 Dec - 28 Jan British Airways direct
26 Dec - 22 Jan British Airways direct
31 Dec - 14 Jan British Airways direct
26 Dec - 29 Dec British Airways direct
26 Dec - 30 Dec British Airways direct
26 Dec - 27 Dec British Airways direct
15 Dec - 22 Dec British Airways direct
15 Dec - 24 Dec British Airways direct
26 Dec - 31 Dec British Airways direct
29 Dec - 22 Jan KLM
28 Dec - 22 Jan KLM
26 Dec - 28 Dec KLM
30 Dec - 22 Jan KLM
29 Dec - 22 Jan British Airways direct
15 Dec - 29 Dec British Airways direct
28 Dec - 22 Jan British Airways direct
30 Dec - 22 Jan Iberia direct
16 Dec - 21 Dec KLM
15 Dec - 18 Dec British Airways direct
31 Dec - 07 Jan KLM

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

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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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