$76 Cheap Southwest Airlines flights Boston (BOS) to Miami (MIA)

Scoring cheap one-way Southwest Airlines flights from BOS to MIA from $76 on Expedia is a cinch — just filter by “Price (lowest to highest).” Alternatively, check out our budget-friendly round-trip fares from $105 for your next exciting adventure.**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.

Southwest Airlines flights to Miami tend to be cheaper in the quieter months of September and October. Whether you’re searching for a one-way or a return ticket, you could find a better deal then.

Look for cheap Southwest Airlines flights from Logan Intl. Airport (BOS) to Miami Intl. Airport (MIA) one to three months before your departure. 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. Regardless of fare class and journey, 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 their travel 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.

To find out if there’s a direct route from BOS to MIA with Southwest Airlines or another carrier, check the “Nonstop” box when browsing for tickets.

Filter your results by “Morning” and “Early Morning” to browse the earliest departures from BOS to MIA. Setting 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.

Take a Southwest Airlines flight from Logan Intl. Airport (BOS) to Miami, and you’ll likely come in to Miami Intl. Airport (MIA). This is the airline’s primary hub in this city.

It’s usually possible to cancel or change your flight, although there may be a charge if you made your booking over 24 hours ago. Want to keep your options open? Apply the “Changes included” or “No cancel fee” filter to find flights that won’t penalize you if you need to adjust your plans. To update your itinerary, head to “Trips,” select your flight and click on “Manage Booking” for more details.