Spirit Airlines via DealBase offers Spirit Airlines 1-Way Midweek Flights Nationwide with prices starting at $40.99. (On the DealBase landing page, click on "Spirit Airlines" in the top line to see this sale.) That's tied with our mention of such fares from a month ago and the best price we could find today by $5. This price is valid on flights departing from Baltimore, MD, (BWI) with arrival in Boston, MA, (BOS) on October 17. This sale includes 149 routes, including flights to Los Angeles, CA, (LAX); Chicago, IL, (ORD); Orlando, FL, (MCO); Philadelphia, PA, (PHL); and more. Book this travel deal by June 21 for travel on Tuesdays or Wednesdays from September 6 through December 13.

All prices, dates, and booking details were valid at the time of publication.