The cheapest flight to London you can get by boooking 30 days before departure.
The most popular airlines on the route Madrid - London: Ryanair (FR), easyJet (U2), Iberia (IB).
The cheapest flights you can book on the route Barajas (MAD) - City Airport (LCY).
Direct flights last about 2h 18min.
Direct flights available 7 days a week.
Direct flights: easyJet (U2), Ryanair (FR), Air Europa (UX).