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

Return flights

14 Aug - 21 Aug	Icelandair
21 Aug - 02 Sep	Icelandair
21 Aug - 04 Sep	Icelandair
21 Aug - 05 Sep	Icelandair
21 Aug - 07 Sep	Icelandair
06 Aug - 15 Aug	Icelandair
21 Aug - 28 Aug	Icelandair
11 Aug - 18 Aug	Air Canada
21 Aug - 03 Sep	ITA Airways
11 Aug - 19 Aug	United
05 Aug - 19 Aug	Air Canada
12 Aug - 19 Aug	United
27 Aug - 03 Sep	United	direct
27 Aug - 05 Sep	United	direct
04 Aug - 18 Aug	British Airways
10 Aug - 24 Aug	ITA Airways
18 Aug - 25 Aug	United
21 Aug - 06 Sep	ITA Airways
22 Aug - 02 Sep	Turkish Airlines
28 Aug - 07 Sep	Turkish Airlines

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

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 August from $486

Return flights