Spirit Airlines via ShermansTravel offers Spirit Airlines Roundtrip Flights to the Northeast U.S. with prices starting at $76.40. (On the ShermansTravel landing page, click on "Spirit.com" in the main paragraph to see this sale.) That's the lowest price we could find for select routes by at least $12. This price is valid on flights departing May 3 from Detroit, MI, (DTW) with arrival in Baltimore, MD, (BWI) and return on May 10. Book this travel deal by March 31 for flights through May 24.

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