Cheap flights from Boston to Miami from $128

The month of September is, on average, the cheapest month to fly to Miami from Boston, with most prices found around $201. If you are unable to visit Miami during the month of September, then departing from Boston during the month January is also very affordable. Most momondo users find prices during this month for around $254.

The cheapest day to depart from Boston to Miami is on a Sunday when prices can be found for as low as $490. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to Miami on Tuesday is $536.

In the evening is the cheapest time of day to fly from Boston to Miami when you can find flight prices for as low as $342. Flying to Miami in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around $582. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Boston Logan Intl to Miami for the best Boston Logan Intl - Miami flight prices

You are more likely to see cheaper flights to Miami from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Miami for around $308 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Miami from Boston for as low as $246 on momondo.

There are 4 cabin classes available to choose from on Boston to Miami flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 6% on your flight if you consider stops on a Boston to Miami flight.

As of August 2026, prices for Boston to Miami flights are approximately 9% cheaper when compared to flights at the same time last year.

United Airlines, Southwest, and Delta are the most popular carriers operating from Boston Logan Intl to Miami

JetBlue, Delta and American Airlines are the top three most popular airlines that fly to Miami from Boston according to our data. JetBlue is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Miami. Keep in mind that there are 8 different airlines that fly to Miami on a routine basis, so you have a few additional options to choose from.

Historically, on average around 16% of flights between Boston and Miami have experienced a delay on any given week. The average delay length over the past 12 months has been 159 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights in the evening have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, American Airlines have had the least number of delays on this route over the last 12 months; with about 12% of their flights experiencing any sort of delay.

Raleigh (RDU) was the most common stop: 36% of momondo users choosing 1-stop flights on this route connected there.

Flights via Raleigh (RDU) offer the lowest average round-trip price of $245.

Flights connecting via Baltimore (BWI) have the shortest average one-way travel time: 5h 15m.

Philadelphia (PHL) has the shortest average layover time for this route: 0h 52m.

13 flights are operational daily from Boston to Miami as of August 2026. The most popular departure time for this route is 3:00PM, with 54% of flights per day taking off in the afternoon.

96 flights are operational weekly from Boston to Miami as of August 2026. The most popular departure day for this route is Sun, with 30% of flights per week taking off on this day.