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

Return flights

29 Dec - 12 Jan	Scandinavian Airlines
07 Dec - 11 Dec	jetBlue
30 Dec - 24 Jan	Air Canada
01 Dec - 06 Dec	jetBlue
26 Dec - 17 Jan	jetBlue
26 Dec - 10 Jan	jetBlue
24 Dec - 17 Jan	United
17 Dec - 06 Jan	jetBlue
10 Dec - 14 Dec	TAP
24 Dec - 04 Jan	Air Canada
02 Dec - 27 Dec	Air Canada
03 Dec - 27 Dec	Scandinavian Airlines
26 Dec - 28 Dec	jetBlue
22 Dec - 31 Dec	Air Canada
16 Dec - 04 Jan	Air Canada
18 Dec - 21 Jan	Air Canada
14 Dec - 28 Dec	Air Canada
19 Dec - 22 Jan	Iberia
18 Dec - 23 Dec	Air Canada
19 Dec - 26 Dec	Iberia

Also check the deals for one-way flights from Washington 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.

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Cheapest return flights from Washington to Geneva in December from $548

Return flights