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

Return flights

12 Dec - 18 Jan	Icelandair
06 Dec - 14 Dec	Icelandair
11 Dec - 15 Dec	Icelandair
08 Dec - 14 Dec	Icelandair
05 Dec - 10 Dec	Icelandair
03 Dec - 07 Dec	Icelandair
03 Dec - 15 Dec	Icelandair
04 Dec - 07 Dec	Icelandair
24 Dec - 12 Jan	Iberia
03 Dec - 13 Dec	Icelandair
11 Dec - 08 Jan	Icelandair
13 Dec - 17 Dec	Icelandair
04 Dec - 31 Dec	Icelandair
18 Dec - 12 Jan	Vueling Airlines
25 Dec - 04 Jan	Iberia
26 Dec - 04 Jan	British Airways
25 Dec - 08 Jan	Iberia
26 Dec - 07 Jan	British Airways
22 Dec - 16 Jan	Icelandair
24 Dec - 06 Jan	Icelandair

Also check the deals for one-way flights from Paris to Boston 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 Paris to Boston in December from $430

Return flights