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

Return flights

02 Dec - 16 Dec	Aer Lingus
06 Dec - 14 Dec	Scandinavian Airlines
03 Dec - 10 Dec	Icelandair
12 Dec - 14 Dec	Icelandair
04 Dec - 11 Dec	Icelandair
30 Dec - 05 Jan	Brussels Airlines
15 Dec - 25 Dec	Air Canada
08 Dec - 15 Dec	Icelandair
13 Dec - 20 Dec	Icelandair
23 Dec - 30 Dec	United
03 Dec - 10 Dec	Air France	direct
25 Dec - 17 Jan	Air Canada
25 Dec - 17 Jan	Delta	direct
13 Dec - 03 Jan	Brussels Airlines
26 Dec - 04 Jan	Air Canada
18 Dec - 01 Jan	Air Canada
20 Dec - 02 Jan	Air Canada
18 Dec - 02 Jan	Air Canada
20 Dec - 05 Jan	Air Canada
19 Dec - 03 Jan	Air Canada

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 437€

Return flights