Cheapest return flights from London (LCY) to Madrid (MAD), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
30 Sep 03 Oct British Airways
Direct Flight
08 Sep 10 Sep British Airways
Direct Flight
22 Sep 25 Sep British Airways
Direct Flight
08 Sep 16 Sep British Airways
Direct Flight
16 Sep 29 Sep British Airways
Direct Flight
17 Sep 22 Sep British Airways
Direct Flight
08 Sep 11 Sep British Airways
Direct Flight
16 Sep 23 Sep British Airways
Direct Flight
21 Sep 06 Oct British Airways
Direct Flight
28 Sep 30 Sep British Airways
Direct Flight
17 Sep 29 Sep British Airways
Direct Flight
21 Sep 23 Sep British Airways
Direct Flight
04 Sep 28 Oct British Airways
Direct Flight
21 Sep 05 Oct British Airways
Direct Flight
25 Sep 04 Oct British Airways
19 Sep 03 Oct KLM
28 Sep 04 Oct British Airways
23 Sep 04 Oct KLM
Powered by

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

Book a cheap hotel in Madrid

Cheap car rent in Barajas

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.

Feel free to contact us with any feedback or request another flight research.