AirHint found the following cheapest return flights from Paris (ORY) to Boston (BOS) in August 2025 (see full year).

Return flights

27 Aug - 31 Aug	TAP
28 Aug - 31 Aug	TAP
30 Aug - 07 Sep	TAP
25 Aug - 05 Sep	TAP
24 Aug - 01 Sep	TAP
21 Aug - 25 Aug	TAP
30 Aug - 13 Sep	TAP
29 Aug - 05 Sep	FrenchBee
18 Aug - 31 Aug	TAP
18 Aug - 24 Aug	TAP
11 Aug - 18 Aug	TAP
14 Aug - 05 Sep	TAP
11 Aug - 22 Aug	TAP
10 Aug - 17 Aug	TAP
23 Aug - 30 Aug	TAP
13 Aug - 30 Aug	TAP
06 Aug - 01 Sep	Vueling Airlines
05 Aug - 02 Sep	TAP
17 Aug - 03 Sep	FrenchBee
15 Aug - 01 Sep	TAP

Also check the deals for one-way flights from Paris to Boston 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 Paris to Boston in August from $539

Return flights