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

Return flights

21 Oct - 30 Oct	Scandinavian Airlines
06 Oct - 13 Oct	Iberia
06 Oct - 10 Oct	Iberia
07 Oct - 13 Oct	Iberia
06 Oct - 16 Oct	Iberia
16 Oct - 23 Oct	Iberia
17 Oct - 28 Oct	Iberia For Level
16 Oct - 28 Oct	Iberia For Level
01 Oct - 07 Oct	Aer Lingus
01 Oct - 08 Oct	Aer Lingus
26 Oct - 02 Nov	Icelandair
24 Oct - 01 Nov	Icelandair
29 Oct - 05 Nov	Icelandair
03 Oct - 29 Nov	Icelandair
15 Oct - 01 Nov	Delta	direct
24 Oct - 01 Nov	Air France	direct
31 Oct - 07 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 340€

Return flights