AirHint found the following cheapest return flights from Boston (BOS) to Florence (FLR) in August 2026 (see full year).

Return flights

12 Aug - 19 Aug	Lufthansa
11 Aug - 18 Aug	Lufthansa
13 Aug - 20 Aug	Lufthansa
16 Aug - 23 Aug	Lufthansa
10 Aug - 17 Aug	Lufthansa
31 Aug - 07 Sep	KLM
19 Aug - 26 Aug	Air France
25 Aug - 01 Sep	Air France
09 Aug - 16 Aug	Lufthansa
07 Aug - 14 Aug	British Airways
20 Aug - 27 Aug	Air France
08 Aug - 15 Aug	Lufthansa
26 Aug - 02 Sep	Air France
29 Aug - 05 Sep	Air France
27 Aug - 03 Sep	Air France
30 Aug - 06 Sep	Air France
28 Aug - 04 Sep	Air France

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

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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Cheapest return flights from Boston to Florence in August from 329€

Return flights