Cheapest one-way flights from Washington to Geneva in December from 375€

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

One-Way flights

15 Dec Frontier Airlines
30 Dec Frontier Airlines
28 Dec TAP
27 Dec Lufthansa
17 Dec Aer Lingus
30 Dec United direct
24 Dec United direct
28 Dec United direct
17 Dec Brussels Airlines direct
27 Dec United direct

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

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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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