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

Return flights

03 Dec - 05 Dec	Delta
03 Dec - 10 Dec	Aer Lingus
10 Dec - 14 Dec	Aer Lingus
04 Dec - 08 Dec	Aer Lingus
14 Dec - 09 Jan	Scandinavian Airlines
12 Dec - 08 Jan	Scandinavian Airlines
04 Dec - 10 Dec	Icelandair
29 Dec - 24 Jan	Aer Lingus
15 Dec - 22 Dec	Aer Lingus
16 Dec - 10 Jan	Aer Lingus
05 Dec - 12 Dec	Icelandair
15 Dec - 10 Jan	Aer Lingus
27 Dec - 17 Jan	Aer Lingus
11 Dec - 18 Dec	Icelandair
01 Dec - 27 Dec	Aer Lingus
23 Dec - 17 Jan	Aer Lingus
06 Dec - 27 Dec	Aer Lingus
14 Dec - 09 Jan	Air France	direct
24 Dec - 07 Jan	Icelandair
29 Dec - 24 Jan	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 389€

Return flights