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

Return flights

10 Dec - 17 Dec	Icelandair
30 Dec - 06 Jan	Icelandair
10 Dec - 17 Dec	Air France	direct
28 Dec - 02 Jan	Icelandair
26 Dec - 01 Jan	Icelandair
18 Dec - 13 Jan	Icelandair
23 Dec - 04 Jan	Icelandair
18 Dec - 13 Jan	Air France	direct
21 Dec - 03 Jan	Icelandair
19 Dec - 05 Jan	Icelandair
26 Dec - 01 Jan	Air France	direct
20 Dec - 03 Jan	Icelandair
20 Dec - 27 Dec	Air France	direct

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

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 December from 424€

Return flights