$81 Cheap Spirit Airlines flights Minneapolis (MSP) to Baltimore (BWI)

Apply the "Price (lowest to highest)" filter on Expedia to search for cheap Spirit Airlines return flights from $154 from MSP to BWI. Affordable one-way tickets from $81 are available as well.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Begin your search one to three months before your departure to score cheaper fares on Spirit Airlines flights from Minneapolis - St. Paul Intl. Airport (MSP) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing spot on, and you can enjoy significant savings on domestic journeys.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.

Filter your results by "Early Morning" and "Morning" to browse the earliest departures from MSP to BWI. Jetting off early means flight cancellations are less likely.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.

A rewarding loyalty program and the ability to collect points through Free Spirit are the start of the reasons to fly from MSP to BWI with Spirit Airlines. Plus, when you sign up to our One Key™ program, you can receive OneKeyCash™* on top of any airline loyalty program earnings. You can put it toward your future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.