The cheapest flight to London you can get by boooking 18 days before departure.
The most popular airlines on the route Palermo - London: Ryanair (FR), Alitalia (AZ), Iberia (IB).
The cheapest flights you can book on the route Punta Raisi (PMO) - Gatwick (LGW).
Direct flights last about 3h 10min.
Direct flights available 5 days a week - Monday, Thursday, Friday, Saturday, Sunday.
Direct flights: Ryanair (FR).