$172 Cheap Frontier Airlines flights Miami (MIA) to Boston (BOS)

You’ll discover affordable return Frontier Airlines flights from $310 from MIA to BOS by sorting your results from “Price (lowest to highest)” on Expedia. Or look for deals from $172 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.

January is one of the least expensive months to jet away to Boston with Frontier Airlines. You could also find great prices on one-way and round-trip fares in February.

Begin your search one to three months before your departure to score cheaper fares on Frontier Airlines flights from Miami Intl. Airport (MIA) to Logan Intl. Airport (BOS). You can save 25% by booking your domestic flight 34 to 86 days in advance versus 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 right, 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.

Choose from one of Frontier Airlines’s 4 weekly direct flights from Miami Intl. Airport (MIA) to Logan Intl. Airport (BOS). To see what’s available, enter your travel dates, origin and destination and hit search. Then apply the “Nonstop” and “Airline” filters.

It takes around 3h 32m to fly nonstop from Miami Intl. Airport (MIA) to Logan Intl. Airport (BOS) with Frontier Airlines.

The earliest Frontier Airlines flight from MIA to BOS departs at 6:00AM UTC-5, landing at 9:34AM UTC-5. If you prefer to jet off later in the day, the last Frontier Airlines flight leaves MIA at 7:10AM UTC-5 and lands at BOS at 10:38AM UTC-5. Flying before noon is generally a smart option as morning and mid-morning flights are 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.

Take a Frontier Airlines flight from Miami Intl. Airport (MIA) to Boston, and you’ll probably touch down at Logan Intl. Airport (BOS). This is the airline’s main hub in this destination.

Offering a rewarding loyalty program, Frontier Airlines is a top choice for many travelers heading from MIA to BOS. Plus, as a Frontier Miles and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

For the Miami Intl. Airport (MIA) to Logan Intl. Airport (BOS) route, Frontier Airlines typically uses Airbus A320neo and Airbus A321 planes. Don’t forget that last-minute changes are possible for operational demands, meaning your flight could be on another aircraft.

Changes are typically free within 24 hours of making your booking, but your airline may charge you after that time. For further details about altering your reservation, go to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the flexibility to change your itinerary without being charged, tick the “Changes included” and “No cancel fee” filters when planning your trip.