Cheapest return flights from Boston to Miami in September from $159

Best time to book flights for Boston (BOS) to Miami (MIA) flights at AirHint

AirHint found the following cheapest return flights from Boston (BOS) to Miami (MIA) in September 2025 (see full year).

Return flights

03 Sep - 10 Sep Delta direct
23 Sep - 30 Sep Delta direct
01 Sep - 09 Sep Delta direct
02 Sep - 07 Sep American Airlines direct
18 Sep - 24 Sep Delta direct
11 Sep - 15 Sep American Airlines direct
25 Sep - 29 Sep American Airlines direct

Also check the deals for one-way flights from Boston to Miami in September.

Skyscanner

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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