Cheapest one-way flights from Washington to Geneva in December from $422

AirHint found the following cheapest one-way flights from Washington (IAD) to Geneva (GVA) in December 2025 (see full year).

One-Way flights

30 Dec Icelandair
15 Dec Frontier Airlines
08 Dec TAP
30 Dec Austrian Airlines direct
27 Dec Lufthansa
17 Dec Aer Lingus
24 Dec United direct
17 Dec Austrian Airlines direct
27 Dec Brussels Airlines direct
08 Dec Brussels Airlines direct

Also check the deals for return flights from Washington to Geneva in December.

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