Welcome to our SIXT car rental Boston Airport and get your trip to Massachusetts started in style. When you rent a car at Boston Airport with SIXT you get cheap deals on premium rental cars, whether you need a daily rental, a weekly rental or a long-term rental for extended adventures. Put your entire group in one of our SUVs and head to the Freedom Trail or Fenway Park for a fun afternoon. For business travelers looking to save some money, try one of our affordable sedans. Once you arrive at Boston Logan International Airport (BOS), you can find us on the second floor of the rental car center. There is shuttle service available to take you there just outside of the baggage claim area at all of the terminal buildings.