Cheapest return flights from Boston to Miami in September from $100

AirHint found the following cheapest return flights from Boston (BOS) to Miami (MIA) in September 2026 (see full year).

Return flights

01 Sep - 02 Sep Spirit Airlines direct
02 Sep - 04 Sep Spirit Airlines direct
01 Sep - 04 Sep Spirit Airlines direct
01 Sep - 05 Sep Spirit Airlines direct
02 Sep - 05 Sep Spirit Airlines direct
02 Sep - 06 Sep Spirit Airlines direct
05 Sep - 06 Sep Spirit Airlines direct
03 Sep - 04 Sep Spirit Airlines direct
01 Sep - 06 Sep Spirit Airlines direct
23 Sep - 30 Sep Delta direct

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

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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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