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

Return flights

02 Dec - 09 Dec	Aer Lingus
08 Dec - 12 Dec	Aer Lingus
11 Dec - 15 Dec	Aer Lingus
01 Dec - 04 Dec	Icelandair
30 Dec - 07 Jan	Aer Lingus
31 Dec - 07 Jan	Aer Lingus
04 Dec - 11 Dec	Aer Lingus
07 Dec - 14 Dec	Aer Lingus
01 Dec - 08 Dec	Aer Lingus
29 Dec - 07 Jan	Aer Lingus
14 Dec - 22 Dec	Aer Lingus
29 Dec - 24 Jan	Aer Lingus
15 Dec - 22 Dec	Aer Lingus
11 Dec - 20 Dec	Air Canada
30 Dec - 24 Jan	SWISS
15 Dec - 10 Jan	Aer Lingus
28 Dec - 17 Jan	Aer Lingus
11 Dec - 12 Jan	TAP
31 Dec - 24 Jan	Iberia
30 Dec - 06 Jan	Aer Lingus

Also check the deals for one-way flights from Boston to Beauvais 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 Beauvais in December from $409

Return flights