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

Return flights

15 Dec - 24 Dec	Air Canada
15 Dec - 22 Dec	Air Canada
03 Dec - 14 Dec	Brussels Airlines
05 Dec - 14 Dec	TAP
29 Dec - 07 Jan	Iberia
12 Dec - 14 Dec	Iberia
27 Dec - 03 Jan	American Airlines
16 Dec - 23 Dec	United
16 Dec - 18 Jan	Delta
13 Dec - 30 Dec	TAP
30 Dec - 05 Jan	SWISS
24 Dec - 31 Dec	Air Canada
16 Dec - 06 Jan	American Airlines
28 Dec - 04 Jan	Iberia
19 Dec - 10 Jan	Iberia
13 Dec - 03 Jan	Iberia
08 Dec - 03 Jan	Iberia
16 Dec - 05 Jan	Azores Airlines

Also check the deals for one-way flights from Boston to Geneva 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.

Book a cheap hotel in Geneva

Cheap car rent in Geneva

Cheapest return flights from Boston to Geneva in December from $391

Return flights