The cheapest flight to London you can get by boooking 20 days before departure.
The most popular airlines on the route Barcelona - London: Ryanair (FR), Vueling (VY), easyJet (U2).
The cheapest flights you can book on the route Reus (REU) - Southend (SEN).
Direct flights last about 2h 10min.
Direct flights available 7 days a week.
Direct flights: Ryanair (FR), Vueling (VY), British Airways (BA).