Logan Airport to Union Square, Somerville
How to get from Logan Airport to Union Square, Somerville on public transit, with the stops, times and the last trip of the night.
Logan Airport to Union Square, Somerville
- Massport shuttle
- Blue Line
- Green Line D
- Take a free Massport shuttle busFrom the arrivals level at your terminalAbout 6 min
- Change at Airport station
- Take the Blue LineToward Bowdoin4 stops, about 7 min
- Change at Government Center
- Take a Green Line D trainToward Union Square5 stops, about 17 min
- Get off at Union SquareThe stop after Lechmere
- Walk about 7 min to Union Square, SomervilleUse the Prospect St, Webster Ave exit
Weekdays, fall 2026 schedule · First and last trips
Quick answer: Take a free Massport shuttle bus to Airport station from the arrivals level, the Blue Line toward Bowdoin to Government Center, then a Green Line D train to Union Square, and walk about 7 min. The trip takes about 52 minutes (49-54 min depending on the connection). On weekdays Green Line trains to Union Square run every 8 min during the day.
Get the live route from Logan Airport to Union Square
Step by step
- At your terminal, follow the signs to the arrivals level and find the stop for a free Massport shuttle bus at the curb.
- Ride about 6 min to Airport station.
- At Airport station, change to the Blue Line toward Bowdoin.
- Ride 4 stops, about 7 min, through Maverick, Aquarium and State, and get off at Government Center.
- At Government Center, change to a Green Line D train toward Union Square.
- Ride 5 stops, about 17 min, through Haymarket, North Station, Science Park/West End and Lechmere, and get off at Union Square.
- Walk about 7 min to Union Square, Somerville. Use the Prospect St, Webster Ave exit.
Other ways to go
- Take a free Massport shuttle bus to Airport station from the arrivals level, the Blue Line toward Bowdoin to State, the Orange Line toward Oak Grove to Sullivan Square, then bus 109 to Somerville Ave @ Union Sq: about 49 min.
- Take the Back Bay Logan Express bus to Stuart St @ Dartmouth St from the arrivals level, then the Green Line to Union Square, and walk about 7 min: about 57 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 | 4:13 am | 12:42 am | Every 8 min | About 52 min |
| Friday | 4:13 am | 1:18 am | Every 8 min | About 52 min |
| Saturday | 4:36 am | 1:18 am | Every 9 min | About 53 min |
| Sunday | 4:54 am | 12:18 am | Every 10 min | About 53 min |
First and last trip are when the first bus of the trip leaves the airport, on the fall 2026 schedule. "How often" is for Green Line trains to Union Square (the least frequent part of the trip).
Late at night
On weekdays, the last trip that works leaves the airport at 12:42 am and gets to Union Square, Somerville around 1:30 am, using free Massport shuttle bus and bus 104 and bus 109. On Friday nights it runs later: the last trip leaves at 1:18 am. On Saturday nights the last trip leaves at 1:18 am, and on Sunday nights at 12:18 am. Late at night, ask Cobblehop for the last trip. It checks live times and tells you when to leave.
Tips for this trip
- Check the branch letter. E trains from Government Center don't go to Union Square.
- Know your stop. Get to the door after Lechmere. The next stop is Union Square. Start a live trip in Cobblehop and it alerts you before your stop.
- Changing at Government Center. You don't leave the station. Follow the signs for Green Line D.
- Union Square station is the end of the Green Line D branch, a short walk from the square.
Step-free access
MBTA data lists every station on this route (Airport, Government Center and Union Square) as accessible. Airport has 4 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.
- Massport shuttle. Free.
- Kids. Children 11 and under ride the MBTA free.
Fares as of October 2026. Check the MBTA's fares page before you ride.
Logan Airport to Union Square, Somerville: common questions
How do I get from Logan Airport to Union Square, Somerville by public transit?
Take a free Massport shuttle bus to Airport station from the arrivals level, the Blue Line toward Bowdoin to Government Center, then a Green Line D train to Union Square, and walk about 7 min. The trip takes about 52 minutes (49-54 min depending on the connection).
How long does it take to get from Logan Airport to Union Square, Somerville?
About 52 minutes on the main route, or 49-54 minutes depending on the connection.
Do I have to change along the way?
Yes, 2 times: at Airport station and Government Center. Take a free Massport shuttle bus to Airport station from the arrivals level, the Blue Line toward Bowdoin to Government Center, then a Green Line D train to Union Square, and walk about 7 min.
How often do Green Line trains to Union Square run?
Every 8 min on weekdays during the day, every 9 min on Saturdays and every 10 min on Sundays, on the fall 2026 schedule.
What time is the last train from Logan Airport to Union Square, Somerville?
On weekdays, the last trip that works leaves the airport at 12:42 am and gets to Union Square, Somerville around 1:30 am, using free Massport shuttle bus and bus 104 and bus 109. On Friday nights it runs later: the last trip leaves at 1:18 am. On Saturday nights the last trip leaves at 1:18 am, and on Sunday nights at 12:18 am.
Related routes
- Logan Airport to Inman Square
- Logan Airport to Cambridge Hospital
- South Station to Union Square, Somerville
- North Station to Union Square, Somerville
- Logan Airport to downtown Boston (guide)
- How to pay for the T in Boston (guide)
- Never miss your stop (guide)
More routes from Logan Airport
- Logan Airport to Central Square, Cambridge
- Logan Airport to Harvard Art Museums
- Logan Airport to Harvard Museum of Natural History
- Logan Airport to MIT Museum
- Logan Airport to MIT
- All routes from Logan Airport
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:
- Massport: on-airport shuttle
- MBTA: Blue Line
- MBTA: Green Line
- MBTA: Airport station
- MBTA: Government Center station
- MBTA: Union Square station
- MBTA: Logan Airport destination page
- Massport: public transportation to and from Logan
- 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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