Originally Posted by
wideman
Failing that, if you do return the rental to Logan, you'll need to take the #33 shuttle bus from the Rental Center. Get off at either Terminal C or E, then catch the Silver Line to South Station at the terminal where you got off the shuttle bus.
This. Just go to a terminal that the SL1 bus does stop and wait for it there.
More info on which bus routes go where within Logan here:
https://www.massport.com/logan-airpo...rport-shuttle/
Edit: I just noticed the original posting date is from 10 days ago. My apologies if I am late to the game :/