Harvard Square to Seaport World Trade Center

Plain directions from Harvard Square to Seaport World Trade Center, checked against the fall 2026 MBTA schedule.

By Ahmad Haji, founder of Cobblehop · October 30, 2026

Get the live route from Harvard to Seaport World Trade Center

Step by step

1. At Harvard, take the Red Line toward Ashmont.
2. Ride 6 stops, about 13 min, through Central, Kendall/MIT, Charles/MGH, Park Street and Downtown Crossing, and get off at South Station.
3. At South Station, change to the Silver Line SL3 toward Chelsea.
4. Ride 2 stops, about 3 min. Get off at World Trade Center, the stop after Courthouse.
5. Walk about 3 min to Seaport World Trade Center. Use the 1 | Congress St exit.

Other ways to go

• Take the Red Line toward Ashmont to South Station, then the Silver Line SL2 to World Trade Center, and walk about 3 min: about 28 min.
• Take the Red Line toward Braintree to South Station, then the Silver Line SL1 to World Trade Center, and walk about 3 min: about 28 min.

Which one is faster depends on when you leave. Cobblehop compares them with live times and gives you the one that gets you there first.

Times and frequency

First and last trip are when the first train of the trip leaves Harvard, on the fall 2026 schedule. "How often" is for the Silver Line SL3 (the least frequent part of the trip).

Late at night

On weekdays, the last trip that works leaves Harvard at 12:37 am and gets to Seaport World Trade Center around 1:01 am, using Red Line and Silver Line SL1. On Friday nights it runs later: the last trip leaves at 1:36 am. On Saturday nights the last trip leaves at 1:36 am, and on Sunday nights at 12:37 am. Late at night, ask Cobblehop for the last trip. It checks live times and tells you when to leave.

Tips for this trip

• Know your stop. Get to the door after Courthouse. The next stop is World Trade Center. Start a live trip in Cobblehop and it alerts you before your stop.
• Changing at South Station. You don't leave the station. Follow the signs for Silver Line SL3.
• The Seaport World Trade Center is on Seaport Boulevard at Commonwealth Pier.

Step-free access

MBTA data lists every station on this route (Harvard, South Station and World Trade Center) as accessible. South Station has 9 elevators in MBTA data. Elevators do break, so check the MBTA's elevator alerts before you go.

What it costs

• Subway. $2.40 one way. Changing between subway lines is free.
• How to pay. Tap a contactless credit or debit card, phone or watch at the fare gate or bus door, or use a CharlieCard or CharlieTicket.
• Kids. Children 11 and under ride the MBTA free.

Fares as of October 2026. Check the MBTA's fares page before you ride.

Harvard Square to Seaport World Trade Center: common questions

Related routes

• Harvard Square to the Seaport
• Harvard Square to Boston Convention and Exhibition Center
• Kendall Square to Seaport World Trade Center
• Back Bay Station to Seaport World Trade Center
• Boston to Cambridge: Harvard and MIT (guide)
• Never miss your stop (guide)

More routes from Harvard Square

• Harvard Square to Institute of Contemporary Art
• Harvard Square to Leader Bank Pavilion
• Harvard Square to Boston Children's Museum
• Harvard Square to New England Aquarium
• Harvard Square to Long Wharf ferry terminal
• All routes from Harvard Square

Official sources

Cobblehop is independent and isn't affiliated with these agencies or operators. Schedules on this page come from MBTA/MassDOT public data. Check their pages for the latest schedules and service changes:

• MBTA: Red Line
• MBTA: Silver Line SL3
• MBTA: Harvard station
• MBTA: South Station station
• MBTA: World Trade Center station
• MBTA: fares
• MBTA: elevator and accessibility alerts

Published October 30, 2026. Times were computed from the fall 2026 MBTA schedule (2026-11-04 for weekdays). Service changes, so check Cobblehop for live times before you go.