AirHint found the following cheapest return flights from Southampton (SOU) to Geneva (GVA) in July 2025 (see full year).

Return flights

22 Jul - 29 Jul	KLM
28 Jul - 05 Aug	KLM
24 Jul - 08 Aug	KLM
07 Jul - 14 Jul	easyJet
07 Jul - 20 Jul	easyJet
14 Jul - 18 Jul	easyJet
07 Jul - 10 Jul	easyJet
28 Jul - 02 Aug	easyJet
17 Jul - 20 Jul	KLM
24 Jul - 27 Jul	KLM
10 Jul - 14 Jul	easyJet
12 Jul - 19 Jul	KLM
29 Jul - 01 Aug	Aer Lingus
05 Jul - 21 Jul	KLM

Also check the deals for one-way flights from Southampton to Geneva in July.

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 Southampton to Geneva in July from 209€

Return flights