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

Return flights

19 Aug - 21 Aug	Delta
13 Aug - 27 Aug	Fly Play
13 Aug - 22 Aug	Fly Play
15 Aug - 11 Sep	Fly Play
11 Aug - 20 Aug	Icelandair
22 Aug - 27 Aug	Fly Play
20 Aug - 27 Aug	Fly Play
18 Aug - 25 Aug	Fly Play
12 Aug - 26 Aug	Lufthansa
12 Aug - 19 Aug	Air Canada
16 Aug - 20 Aug	Icelandair
20 Aug - 03 Sep	Iberia For Level
20 Aug - 06 Sep	Fly Play
27 Aug - 02 Sep	Icelandair
26 Aug - 02 Sep	Icelandair
24 Aug - 02 Sep	Lufthansa
28 Aug - 04 Sep	Icelandair
30 Aug - 06 Sep	Icelandair
14 Aug - 01 Sep	Icelandair
30 Aug - 05 Sep	Condor

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 399€

Return flights