How much is Greyhound bus ticket from NYC to Union Square in Washington D.C.?

Greyhound does not operate a bus route directly from NYC to Union Square in Washington D.C. The closest Greyhound station to Union Square is the Washington, D.C. station. The price for a bus ticket from NYC to Washington, D.C. starts at $20 and can go up to $65, depending on the time of day and availability of tickets.