Logan Airport to Porter Square
How to get from Logan Airport to Porter Square on public transit, with the stops, times and the last trip of the night.
Logan Airport to Porter Square
- Silver Line SL1
- Red Line
- Take the Silver Line SL1From the arrivals level at your terminal6 stops, about 21 min
- Change at South Station
- Take the Red LineToward Alewife7 stops, about 16 min
- Get off at PorterThe stop after Harvard
Weekdays, fall 2026 schedule · First and last trips
Quick answer: Take the Silver Line SL1 to South Station from the arrivals level, then the Red Line toward Alewife to Porter. The trip takes about 46 minutes (43-52 min depending on the connection). On weekdays the Silver Line SL1 runs every 8 min during the day.
Get the live route from Logan Airport to Porter
Step by step
- At your terminal, follow the signs to the arrivals level and find the stop for the Silver Line SL1 at the curb. The SL1 stops at Terminals A, B, C and E.
- Board the Silver Line SL1.
- Ride 6 stops, about 21 min. Get off at South Station, the stop after Courthouse.
- At South Station, change to the Red Line toward Alewife.
- Ride 7 stops, about 16 min, through Downtown Crossing, Park Street, Charles/MGH, Kendall/MIT, Central and Harvard, and get off at Porter.
Other ways to go
- Take the Back Bay Logan Express bus to Stuart St @ Dartmouth St from the arrivals level, the Orange Line toward Oak Grove to Downtown Crossing, then the Red Line toward Alewife to Porter: about 46 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 | 4:30 am | 12:30 am | Every 8 min | About 46 min |
| Friday | 4:30 am | 1:17 am | Every 8 min | About 46 min |
| Saturday | 5:00 am | 1:15 am | Every 10 min | About 44 min |
| Sunday | 5:48 am | 12:18 am | Every 11 min | About 49 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 the Silver Line SL1 (the least frequent part of the trip).
Late at night
On weekdays, the last trip that works leaves the airport at 12:30 am and gets to Porter Square around 1:34 am, using free Massport shuttle bus and bus 104 and bus 109 and bus 87. On Friday nights it runs later: the last trip leaves at 1:17 am. On Saturday nights the last trip leaves at 1:15 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 sign on the bus. Some the Silver Line SL1 trips from Terminal C - Arrivals Level end early or go another way (South Station) and don't reach South Station.
- Know your stop. Get to the door after Harvard. The next stop is Porter. 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 Red Line toward Alewife.
- Porter Square has a Red Line station and a Commuter Rail stop on the Fitchburg Line.
Step-free access
MBTA data lists every station on this route (South Station and Porter) 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
- Silver Line SL1. Free from the airport, per the MBTA, and the change to the Red Line at South Station is free too.
- 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.
Logan Airport to Porter Square: common questions
How do I get from Logan Airport to Porter Square by public transit?
Take the Silver Line SL1 to South Station from the arrivals level, then the Red Line toward Alewife to Porter. The trip takes about 46 minutes (43-52 min depending on the connection).
How long does it take to get from Logan Airport to Porter Square?
About 46 minutes on the main route, or 43-52 minutes depending on the connection.
Do I have to change along the way?
Yes, once: at South Station. Take the Silver Line SL1 to South Station from the arrivals level, then the Red Line toward Alewife to Porter.
How often does the Silver Line SL1 run?
Every 8 min on weekdays during the day, every 10 min on Saturdays and every 11 min on Sundays, on the fall 2026 schedule.
What time is the last bus from Logan Airport to Porter Square?
On weekdays, the last trip that works leaves the airport at 12:30 am and gets to Porter Square around 1:34 am, using free Massport shuttle bus and bus 104 and bus 109 and bus 87. On Friday nights it runs later: the last trip leaves at 1:17 am. On Saturday nights the last trip leaves at 1:15 am, and on Sunday nights at 12:18 am.
Related routes
- Logan Airport to Davis Square
- Logan Airport to Harvard Museum of Natural History
- South Station to Porter Square
- North Station to Porter Square
- 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 Longfellow House
- Logan Airport to Harvard Art Museums
- Logan Airport to Harvard Square
- Logan Airport to Tufts University
- Logan Airport to Cambridge Hospital
- 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:
- MBTA: Silver Line SL1
- MBTA: Red Line
- MBTA: South Station station
- MBTA: Porter 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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