I took the train from York to London a few days ago with my family. It was pretty crowded. The ride into Kings Cross from York was around 2hrs. It was not bad.

I took the train from York to London a few days ago with my family. It was pretty crowded. The ride into Kings Cross from York was around 2hrs. It was not bad. What I wonder about is the cost. Peak time which is the morning trains are around £45 from what I saw.