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

Return flights

21 Aug - 28 Aug	Icelandair
19 Aug - 26 Aug	SWISS
21 Aug - 26 Aug	Icelandair
13 Aug - 20 Aug	United
14 Aug - 19 Aug	Icelandair
14 Aug - 21 Aug	Icelandair
12 Aug - 19 Aug	Aer Lingus
31 Aug - 10 Sep	Delta
27 Aug - 03 Sep	United
05 Aug - 12 Aug	United
11 Aug - 18 Aug	United
11 Aug - 24 Aug	United
30 Aug - 06 Sep	United

Also check the deals for one-way flights from Boston 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 Boston to Geneva in August from $391

Return flights