Back Bay Station to Seaport World Trade Center
Plain directions from Back Bay Station to Seaport World Trade Center, checked against the fall 2026 MBTA schedule.
Back Bay Station to Seaport World Trade Center
- Orange Line
- Bus 7
- Take the Orange LineFrom Back Bay, toward Oak Grove3 stops, about 4 min
- Walk about 4 min to Otis St @ Summer StAfter you get off at Downtown Crossing
- Take bus 7Toward City Point via East First St4 stops, about 7 min
- Get off at Summer St opp WTC AveThe stop after 350 Summer St
- Walk about 6 min to Seaport World Trade Center
Weekdays, fall 2026 schedule · First and last trips
Quick answer: Take the Orange Line toward Oak Grove to Downtown Crossing, then bus 7 to Summer St opp WTC Ave, and walk about 6 min. The trip takes about 26 minutes (23-27 min depending on the connection). On weekdays bus 7 runs every 11 min during the day.
Get the live route from Back Bay to Seaport World Trade Center
Step by step
- At Back Bay, take the Orange Line toward Oak Grove.
- Ride 3 stops, about 4 min, through Tufts Medical Center and Chinatown, and get off at Downtown Crossing.
- Walk about 4 min from Downtown Crossing to Otis St @ Summer St.
- At Otis St @ Summer St, change to bus 7 toward City Point via East First St.
- Ride 4 stops, about 7 min. Get off at Summer St opp WTC Ave, the stop after 350 Summer St.
- Walk about 6 min to Seaport World Trade Center.
Other ways to go
- Take the Orange Line toward Oak Grove to Downtown Crossing, the Red Line toward Ashmont to South Station, then the Silver Line SL3 to World Trade Center, and walk about 3 min: about 26 min.
- Take the Providence/Stoughton Line to South Station, then the Silver Line SL3 to World Trade Center, and walk about 3 min: about 14 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
| Day | First trip | Last trip | How often (daytime) | Trip time |
|---|---|---|---|---|
| Monday-Thursday | 4:53 am | 12:40 am | Every 11 min | About 26 min |
| Friday | 4:53 am | 1:36 am | Every 11 min | About 26 min |
| Saturday | 4:55 am | 1:40 am | About every 40 min | About 25 min |
| Sunday | 5:31 am | 12:52 am | Varies | About 26 min |
First and last trip are when the first train of the trip leaves Back Bay, on the fall 2026 schedule. "How often" is for bus 7 (the least frequent part of the trip).
Late at night
On weekdays, the last trip that works leaves Back Bay at 12:40 am and gets to Seaport World Trade Center around 1:02 am, using Orange Line and Silver Line SLW. On Friday nights it runs later: the last trip leaves at 1:36 am. On Saturday nights the last trip leaves at 1:40 am, and on Sunday nights at 12:52 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 350 Summer St. The next stop is Summer St opp WTC Ave. Start a live trip in Cobblehop and it alerts you before your stop.
- The Seaport World Trade Center is on Seaport Boulevard at Commonwealth Pier.
- Back Bay station has the Orange Line, Commuter Rail and Amtrak under one roof. It connects to Copley Place by an indoor passage.
Step-free access
MBTA data lists every station on this route (Back Bay and Downtown Crossing) as accessible. Downtown Crossing has 6 elevators in MBTA data. Elevators do break, so check the MBTA's elevator alerts before you go.
What it costs
- Subway and bus. The subway is $2.40 one way, and a local bus is $1.70. Under an MBTA pilot that started September 1, 2026, you can change between bus and subway within 2 hours of your first tap and pay only the highest fare, if you use the same card or phone each time.
- 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.
Back Bay Station to Seaport World Trade Center: common questions
How do I get from Back Bay Station to Seaport World Trade Center by public transit?
Take the Orange Line toward Oak Grove to Downtown Crossing, then bus 7 to Summer St opp WTC Ave, and walk about 6 min. The trip takes about 26 minutes (23-27 min depending on the connection).
How long does it take to get from Back Bay Station to Seaport World Trade Center?
About 26 minutes on the main route, or 23-27 minutes depending on the connection. Walking takes about 45 minutes.
Do I have to change along the way?
Yes, once: at Downtown Crossing. Take the Orange Line toward Oak Grove to Downtown Crossing, then bus 7 to Summer St opp WTC Ave, and walk about 6 min.
How often does bus 7 run?
Every 11 min on weekdays during the day and about every 40 min on Saturdays, on the fall 2026 schedule.
What time is the last bus from Back Bay Station to Seaport World Trade Center?
On weekdays, the last trip that works leaves Back Bay at 12:40 am and gets to Seaport World Trade Center around 1:02 am, using Orange Line and Silver Line SLW. On Friday nights it runs later: the last trip leaves at 1:36 am. On Saturday nights the last trip leaves at 1:40 am, and on Sunday nights at 12:52 am.
Related routes
- Back Bay Station to Boston Convention and Exhibition Center
- Back Bay Station to Institute of Contemporary Art
- Boston Common to Seaport World Trade Center
- Kendall Square to Seaport World Trade Center
- Never miss your stop (guide)
More routes from Back Bay Station
- Back Bay Station to Leader Bank Pavilion
- Back Bay Station to Boston Children's Museum
- Back Bay Station to New England Aquarium
- Back Bay Station to Long Wharf ferry terminal
- Back Bay Station to Faneuil Hall
- All routes from Back Bay Station
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: Orange Line
- MBTA: bus 7
- MBTA: Back Bay station
- MBTA: Downtown Crossing 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.
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