Boston Common

How to get there:

Bus Lines

megabus.com
Depart: Most buses depart from the south side of 34th Street between 11 & 12th Avenues convenient to 34th Street Penn Station train service and M34 NY Transit cross town buses.
Arrive: South Station
Duration: Approx 4hrs
Cost: $1-$20
Notes: Free wifi & power outlets, seat belts, frequent daily departures, 94% on time service. Round trip fares are open-ended.

Greyhound
Depart: New York Port Authority
Arrive: South Station Bus Terminal, 700 Atlantic Ave
Duration: 4 – 5 hours
Cost: Order online using e-Fares, $15 one way, $30 round trip

LimoLiner
Depart: Hilton New York Hotel – 6th Ave at 53rd St
Arrive: Hilton Boston Back Bay Hotel – Dalton and Boylston Street at the Prudential Center
Duration: 4 – 5 hours
Frequency: 7 days a week, several departures a day
Cost: $89 one way, $160 round trip
Notes:
A luxury bus line that includes 28 Leather Seats, Meal, Beverage and Snack Service, Satellite TV/Radio, DVD movies, luxury bathroom, professional onboard attendant, and more.

Trains

Amtrak Acela
Depart: New York Penn Station
Arrive: Boston South Station, 2 South Station Summer St. or Back Bay, 145 Dartmouth St.
Duration:
3 hours 40 minutes
Cost: $88-$210 one way
Notes: Quickest way to get to Boston, but most expensive. Average price is about $130 one way.

Amtrak Regional
Depart: New York Penn Station
Arrive: Boston South Station, 2 South Station Summer St. or Back Bay, 145 Dartmouth St.
Duration: 4 hours to 4 hours, 15 minutes
Cost: $84 – $101 one way
Notes: Usually cheaper than the Acela Express, and not too much longer. However, when you are traveling at a time when no traffic is expected, consider one of the bus options which could get you there in the same time, and at a fraction of the cost.