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

Return flights

04 Dec - 07 Dec	Icelandair
05 Dec - 08 Dec	Icelandair
25 Dec - 31 Dec	TAP
13 Dec - 28 Dec	Icelandair
18 Dec - 05 Jan	TAP
26 Dec - 31 Dec	TAP
26 Dec - 04 Jan	TAP
13 Dec - 27 Dec	Icelandair
15 Dec - 24 Dec	Icelandair
26 Dec - 07 Jan	TAP
18 Dec - 01 Jan	TAP
16 Dec - 28 Dec	Icelandair
18 Dec - 26 Dec	Vueling Airlines
30 Dec - 05 Jan	TAP
15 Dec - 29 Dec	Ryanair
30 Dec - 04 Jan	TAP
27 Dec - 01 Jan	TAP
25 Dec - 03 Jan	TAP
26 Dec - 03 Jan	TAP
01 Dec - 01 Jan	Ryanair

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 399€

Return flights