COST COMPARISON]

London to Edinburgh return trip. Fares (all quoted for the two-way trip) were researched six days in advance for outbound travel on a Thursday morning,

returning on Friday afternoon.

• LNER: Standard class advance fares from £164; first class from £228; flexible fares

from £241.75.

• British Airways from Heathrow: from £151-£334; from London City: £180-£210. • Easyjet from Stansted: from £108-£111;

from Luton: from £71-£88; from Gatwick: from £97-£104