$140 Cheap Delta flights Boise (BOI) to Miami (MIA)

You’ll find budget-friendly return Delta Air Lines flights from $249 from BOI to MIA by organizing your results from “Price (lowest to highest)” on Expedia. Or search for deals from $140 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.

Look for one-way or round-trip flights to Miami in September or October. You could find a cheap fare with Delta Air Lines during these off-season months.

Begin your search one to three months before your departure to get cheaper fares on Delta Air Lines flights from Boise Airport (BOI) to Miami Intl. Airport (MIA). 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.* Nail your timing, and you can enjoy significant savings on domestic trips.*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 figure out if there’s a direct journey from BOI to MIA with Delta Air Lines or any other carriers, check the “Nonstop” filter when browsing for tickets.

Search Delta Air Lines’s earliest flights from BOI to MIA by selecting the “Morning” and “Early Morning” filters. Not only will you arrive at your destination sooner, early departures are also 20% less likely to be canceled.**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.

Miami Intl. Airport (MIA) is the main Miami hub for Delta Air Lines flights from Boise Airport (BOI).

With a rewarding loyalty program and an excellent in-flight experience, Delta Air Lines is a favorite for many passengers heading from BOI to MIA. Plus, if you’re a Delta SkyMiles and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which you can put toward future getaways.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

You can usually cancel or modify your flight, although additional fees may apply if you booked over 24 hours ago. Prefer to keep your options open? Use our “No cancel fee” and “Changes included” filters to find flights that won’t charge extra if you have to revise your plans. To update your booking, go to “Trips,” select your flight and click on “Manage Booking” for more information.