Low-cost, long-haul flights take off … but is ‘budget’ really cheaper?

With the promise of great savings comes the inevitable catchesIt appears too good to be true – a short hop to Reykavik from Gatwick for £30; a flight from St Petersburg to Stansted for £23 and even one way to Chicago for £140.Budget travel is no longer just the preserve of the short journey. While Ryanair and easyJet have made their timetable of short hops around Europe synonymous with cheap fares, the number of long-haul operators offering low-cost journeys to more far-f