$42 Cheap Spirit Airlines flights Baltimore (BWI) to Detroit (DTW)

You’ll find cheap round-trip Spirit Airlines flights from $89 from BWI to DTW by filtering your results from “Price (lowest to highest)” on Expedia. Or look for bargains from $42 for a one-way trip.**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.

January is one of the cheapest months to travel to Detroit with Spirit Airlines. You could also find excellent prices on one-way and round-trip fares in February.

Start searching one to three months ahead of your departure date to get cheaper fares on Spirit Airlines flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Detroit Metropolitan Wayne County Airport (DTW). 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 cut 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 flights.*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.

Enter your dates, hit search and select “Nonstop” on Expedia to find any direct flights from BWI to DTW with Spirit Airlines or other carriers.

To find the earliest departure from BWI to DTW with Spirit Airlines, sort your results by “Early Morning” and “Morning.” Choosing an early flight usually means 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.

Get on a Spirit Airlines flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Detroit, and you’ll most likely touch down at Detroit Metropolitan Wayne County Airport (DTW). This is the airline’s primary hub in this city.

With a rewarding loyalty program, Spirit Airlines is a top pick for many passengers journeying from BWI to DTW. Plus, as a Free Spirit and One Key™ member booking through Expedia, you can earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

You can usually cancel or change your flight, although there may be a charge if your booking was made more than 24 hours ago. Prefer to keep your options open? Use our “Changes included” or “No cancel fee” filter to find flights that won’t charge you extra if you need to revise your plans. To update your booking, head to “Trips,” select your flight and click on “Manage Booking” for more details.