The third passenger rides free this summer if there are three or more passengers on a shared-ride airport reservation through SuperShuttle.
The promotion lasts until Aug. 31 and is available at more than 40 airports nationwide -- including BWI.
The offer is valid for bookings made online, through the mobile site or mobile apps. Simply use discount code RIDES in the booking process.
To learn more, visit supershuttle.com/summersale2015.
If you have a discount, savings promotion or sale that we should feature, send an email with details to shopping@baltsun.com. But remember, we only want the real deals!