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Harvard Square to Logan Airport

How to get from Harvard Square to Logan Airport on public transit, with the stops, times and the last trip of the night.

By Ahmad Haji, founder of Cobblehop · October 29, 2026

Quick answer: Take the Red Line toward Braintree to South Station, then the Silver Line SL1 to your terminal. The trip takes about 45 minutes (42-47 min depending on the connection). On weekdays the Silver Line SL1 runs every 8 min during the day.

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Step by step

At Harvard, take the Red Line toward Braintree.
Ride 6 stops, about 13 min, through Central, Kendall/MIT, Charles/MGH, Park Street and Downtown Crossing, and get off at South Station.
At South Station, change to the Silver Line SL1 toward Logan Airport.
Ride 7 stops, about 22 min, and get off at your terminal. The SL1 stops at Terminals A, B, C and E.

Times and frequency

Day	First trip	Last trip	How often (daytime)	Trip time
Monday-Thursday	5:06 am	12:37 am	Every 8 min	About 45 min
Friday	5:06 am	1:36 am	Every 8 min	About 45 min
Saturday	5:05 am	1:36 am	Every 10 min	About 40 min
Sunday	5:12 am	12:37 am	Every 11 min	About 43 min

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 SL1 (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 Logan Airport around 1:23 am. 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

Changing at South Station. You don't leave the station. Follow the signs for Silver Line SL1.

Step-free access

MBTA data lists every station on this route (Harvard and South Station) 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 to the airport. You pay one $2.40 subway fare, and a transfer from the Red Line to the SL1 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 Logan Airport: common questions

How do I get from Harvard Square to Logan Airport by public transit?

Take the Red Line toward Braintree to South Station, then the Silver Line SL1 to your terminal. The trip takes about 45 minutes (42-47 min depending on the connection).

How long does it take to get from Harvard Square to Logan Airport?

About 45 minutes on the main route, or 42-47 minutes depending on the connection.

Do I have to change along the way?

Yes, once: at South Station. Take the Red Line toward Braintree to South Station, then the Silver Line SL1 to your terminal.

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 Harvard Square to Logan Airport?

Related routes

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:

Published October 29, 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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