Flying abroad and back is often cheaper than taking a UK domestic train, as revealed by staggering train trip costs.

Lumo trains will travel between London and Edinburgh, calling at Stevenage ... from Lumo's Twitter account outline "up to 60% of tickets per service are under £30" and prices will vary depending ...

Passengers can now grab millions of train tickets at half price ... passengers in Liverpool can travel to London for as little as £7, a trip from Preston to Edinburgh could cost just £8.40 ...

From London, the Lowlander sets off as one train and stops at Watford Junction and Carlisle. It then splits into two trains at Carstairs before carrying on to Glasgow and Edinburgh. For the ...