Currently, the most affordable month to book a Spirit Airlines flight from Boston to Miami in September, with an average price of $209. Conversely, traveling with Spirit Airlines from Boston to Miami in March will be the most expensive, with an average cost of $290. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.
January
$221
February
$235
March
$290
April
$266
May
$254
June
$269
July
$286
August
$241
September
$209
October
$231
November
$258
December
$258
MIA Temperature | 68 - 84.2 °F |
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If weather is an important factor for your trip to Miami, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 68.0 F).
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