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

Return flights

19 Oct - 21 Oct	Condor
15 Oct - 19 Oct	Icelandair
06 Oct - 17 Oct	Icelandair
10 Oct - 21 Oct	Icelandair
10 Oct - 19 Oct	Icelandair
09 Oct - 12 Oct	Icelandair
09 Oct - 13 Oct	Icelandair
08 Oct - 16 Oct	Icelandair
11 Oct - 18 Oct	Icelandair
10 Oct - 12 Oct	Icelandair
06 Oct - 03 Nov	Icelandair
24 Oct - 18 Nov	Icelandair
16 Oct - 02 Nov	Aer Lingus
14 Oct - 02 Nov	Aer Lingus
31 Oct - 08 Nov	Icelandair
29 Oct - 05 Nov	Aer Lingus
28 Oct - 03 Nov	Icelandair
01 Oct - 21 Nov	Aer Lingus
18 Oct - 16 Nov	Scandinavian Airlines
15 Oct - 01 Nov	Aer Lingus

Also check the deals for one-way flights from Paris to Boston in October.

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 October from $457

Return flights