Cheapest one-way flights from Boston to Miami in August from 81€

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

AirHint found the following cheapest one-way flights from Boston (BOS) to Miami (MIA) in August 2025 (see full year).

One-Way flights

30 Aug Southwest Airlines
31 Aug Southwest Airlines
27 Aug Delta direct
06 Aug Delta direct
12 Aug Delta direct
30 Aug Delta direct
04 Aug Delta direct
07 Aug Spirit Airlines direct
01 Aug Spirit Airlines direct

Also check the deals for return 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.

Book a cheap hotel in Miami

Cheap car rent in Miami