Cheapest return flights from London to Madrid in September from $190

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

Return flights

29 Sep - 07 Oct British Airways direct
30 Sep - 14 Oct British Airways direct
15 Sep - 01 Oct British Airways direct
16 Sep - 30 Sep British Airways direct
15 Sep - 19 Sep British Airways direct
07 Sep - 11 Sep British Airways direct
01 Sep - 22 Sep British Airways direct
24 Sep - 28 Sep British Airways direct
19 Sep - 03 Oct KLM
19 Sep - 22 Sep KLM
09 Sep - 14 Sep Luxair
09 Sep - 15 Sep ITA Airways
07 Sep - 20 Sep ITA Airways
10 Sep - 13 Sep ITA Airways

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

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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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