Traveling from York to London Kings Cross by trainOn average, it takes around 2 hours 10 minutes to travel from York to London Kings Cross by train, the fastest services can get you there in as little as 1 hour 46 minutes though.
The North London line (NLL) is a railway line which passes through the inner suburbs of west, north-west, north, and east London, England between Richmond in the south-west and Stratford in the east, avoiding central London. Its route is a rough semicircle.
As the centre of the railway network along the east coast, York played a major role in the management and development of Britain's railway network. This had an impact on the built environment of York; the railway facilities covered a large area of the city.
LNER eill be cheaper, simply because you don't pay booking fees. Give it a few days. Trainline aka nationalrail.com is merely a third party advertising agency which charges commission. Like other agencies it has paid access to the one ticket computer server which all Rail Operators, the companies that run trains, use.