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

Return flights

16 Oct - 22 Oct	Icelandair
09 Oct - 13 Oct	Condor
16 Oct - 25 Oct	Icelandair
09 Oct - 16 Oct	Condor
19 Oct - 21 Oct	Condor
08 Oct - 15 Oct	Icelandair
15 Oct - 25 Oct	Icelandair
06 Oct - 21 Oct	Icelandair
15 Oct - 21 Oct	Icelandair
15 Oct - 22 Oct	Icelandair
30 Oct - 20 Nov	Icelandair
31 Oct - 08 Nov	Icelandair
16 Oct - 14 Nov	Icelandair
23 Oct - 02 Nov	Wizz Air Malta
29 Oct - 06 Nov	Icelandair
22 Oct - 02 Nov	Vueling Airlines
08 Oct - 05 Nov	Icelandair
06 Oct - 03 Nov	Icelandair
24 Oct - 02 Nov	Aer Lingus
28 Oct - 03 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 358€

Return flights