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

Return flights

17 Aug - 25 Aug	Fly Play
06 Aug - 27 Aug	Fly Play
04 Aug - 25 Aug	Fly Play
25 Aug - 27 Aug	Fly Play
17 Aug - 22 Aug	Fly Play
17 Aug - 24 Aug	Fly Play
18 Aug - 25 Aug	Fly Play
20 Aug - 27 Aug	Fly Play
06 Aug - 22 Aug	Fly Play
13 Aug - 27 Aug	Fly Play
30 Aug - 07 Sep	Icelandair
25 Aug - 01 Sep	Icelandair
27 Aug - 10 Sep	Aer Lingus
30 Aug - 05 Sep	Icelandair
29 Aug - 05 Sep	Icelandair
28 Aug - 10 Sep	Icelandair
12 Aug - 01 Sep	Icelandair
12 Aug - 02 Sep	Icelandair
23 Aug - 04 Sep	Aer Lingus
15 Aug - 06 Sep	Fly Play

Also check the deals for one-way flights from Boston to Paris 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 Paris in August from 361€

Return flights