Ending today, Spirit Airlines via ShermansTravel offers Spirit Airlines 1-Way Flights Nationwide from as low as $39.29. (On the ShermansTravel landing page, click "Spirit Airlines' website" in the top line to see this sale.) That's the lowest price we could find by at least $5. This price is valid on flights from Detroit, MI (DTW), with arrival in Orlando, FL (MCO), on February 10. Blackout dates apply. This travel deal ends today. All prices, dates, and booking details were valid at the time of publication.