Cheapest return flights from Washington to Geneva in December from $624

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

Return flights

01 Dec - 06 Dec TAP
23 Dec - 30 Dec United
13 Dec - 20 Dec United
20 Dec - 29 Dec SWISS
20 Dec - 30 Dec SWISS
20 Dec - 02 Jan SWISS
20 Dec - 10 Jan Scandinavian Airlines
20 Dec - 03 Jan SWISS
20 Dec - 29 Dec Brussels Airlines direct
20 Dec - 30 Dec Brussels Airlines direct
01 Dec - 06 Dec United direct
20 Dec - 02 Jan Brussels Airlines direct

Also check the deals for one-way flights from Washington to Geneva in December.

Skyscanner

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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