$103 Cheap Spirit Airlines flights Baltimore (BWI) to Fort Myers (RSW)

Landing cheap one-way Spirit Airlines flights from BWI to RSW from $103 on Expedia is simple — just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares from $189 for your next exciting vacation.**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.

Look for affordable Spirit Airlines flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Southwest Florida Intl. Airport (RSW) one to three months before your departure date. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare type and itinerary, the best day of the week to book a domestic flight is generally Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**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 "Morning" and "Early Morning" to find the earliest flights from BWI to RSW. Taking off early means you're less likely to experience cancellations.**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.

Fly from BWI to RSW with Spirit Airlines and enjoy a range of perks starting with a rewarding loyalty program. When booking through Expedia as a Free Spirit and One Key™ member, you could also earn OneKeyCash™* to spend on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.