I used to do both on the same line (Bath to London), and it ranged from so egregiously expensive that a small group of us who needed to travel looked into chart

I used to do both on the same line (Bath to London), and it ranged from so egregiously expensive that a small group of us who needed to travel looked into chartering a helicopter as potentially cheaper, to a very pleasant and very cheap trip. All depended on whether you were going on a weekend or not. Even a first class ticket is not a guarantee of a seat on a weekday morning…