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

Return flights

04 Oct - 11 Oct	Icelandair
10 Oct - 19 Oct	Icelandair
17 Oct - 22 Oct	Icelandair
08 Oct - 14 Oct	Icelandair
01 Oct - 05 Oct	Icelandair
09 Oct - 13 Oct	Icelandair
15 Oct - 25 Nov	Iberia
23 Oct - 02 Nov	Icelandair
22 Oct - 29 Oct	Air Canada
03 Oct - 12 Oct	Icelandair
01 Oct - 12 Oct	Icelandair
02 Oct - 12 Oct	Icelandair
03 Oct - 29 Nov	Icelandair
29 Oct - 05 Nov	Aer Lingus
28 Oct - 03 Nov	Scandinavian Airlines
29 Oct - 03 Nov	Icelandair
30 Oct - 04 Nov	Air Canada
29 Oct - 09 Nov	Aer Lingus
28 Oct - 09 Nov	Scandinavian Airlines
28 Oct - 04 Nov	Air France	direct

Also check the deals for one-way flights from Boston to Paris 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 Boston to Paris in October from $423

Return flights