There are 3 train companies operating 3 routes - Cross Country, MML, 125 (GW). The cheapest train costs $77 and is 5h 21min.
Faretrotter is a travel aggregation resource that gathers travel company amenities and statistics and compares modes of transportation between cities. Use Faretrotter to plan your next trip, or purchase a ticket your next city.
There are 4 ways to travel from Newcastle upon Tyne to Dartford. 4 buses, 4 trains, 2 flights and 1 driving option are possible between the two areas. The driving option from Newcastle upon Tyne to Dartford is the cheapestand most convenient. The flight from NCL to LHR is the fastest.
It's important to check each mode when booking your ticket so that you can find the best method for you. The cost of each type varies differently, so be sure to use Faretrotter to keep an eye out!