Cheapest return flights from Boston to Miami in August from $137

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 August 2025 (see full year).

Return flights

18 Aug - 24 Sep Spirit Airlines direct
28 Aug - 04 Sep jetBlue direct
12 Aug - 19 Aug jetBlue direct
21 Aug - 26 Aug jetBlue direct
03 Aug - 08 Aug jetBlue direct
28 Aug - 02 Sep jetBlue direct
03 Aug - 06 Aug jetBlue direct
30 Aug - 09 Sep Delta direct
11 Aug - 13 Aug Delta direct
28 Aug - 05 Sep Delta direct
16 Aug - 21 Aug Delta direct
17 Aug - 21 Aug Delta direct
23 Aug - 31 Aug American Airlines direct
04 Aug - 11 Aug Spirit Airlines
13 Aug - 17 Aug Spirit Airlines
09 Aug - 16 Sep Delta direct
30 Aug - 01 Sep jetBlue direct

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

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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