$65 Cheap Southwest Airlines flights Baltimore (BWI) to Miami (MIA)

Grab cheap return Southwest Airlines flights from $114 from BWI to MIA by filtering your results from "Price (lowest to highest)" on Expedia. Or look for bargains from $65 for a one-way journey.**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.

Search for cheap Southwest Airlines flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Miami Intl. Airport (MIA) one to three months ahead of your departure day. 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 ideal day to book a domestic flight is usually Sunday and the most expensive is typically 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.

The first flight from BWI to MIA with Southwest Airlines leaves at 6:15AM UTC-5. You'll touch down at 9:10AM UTC-5. The last Southwest Airlines flight of the day leaves at 7:45PM UTC-5 and arrives at 10:30PM UTC-5. With approximately 20% fewer cancellations for morning departures, starting your travel day early is usually the best way to go.**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.