There are 1 train company operating 2 routes - Adirondack, Silver Star. The cheapest train costs $113 and is 12h 16min.
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 Washington, D.C. to Montreal. 4 buses, 4 trains, 4 flights and 1 by car are possible between the two areas. The by car from Washington, D.C. to Montreal is the cheapest and fastest. The train operated by Amtrak running from WAS to MTR is the most convenient.
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!