AirHint found the following cheapest return flights from Geneva (GVA) to St.-denis (RUN) in August 2025 (see full year).

Return flights

25 Aug - 11 Sep	easyJet
30 Aug - 06 Sep	Aer Lingus
22 Aug - 10 Sep	easyJet
30 Aug - 13 Sep	Aer Lingus
25 Aug - 07 Sep	easyJet
27 Aug - 10 Sep	Vueling Airlines
27 Aug - 11 Sep	British Airways
22 Aug - 04 Sep	easyJet
29 Aug - 20 Sep	easyJet
22 Aug - 02 Sep	Air France
18 Aug - 28 Aug	easyJet
22 Aug - 28 Aug	Aer Lingus
06 Aug - 19 Aug	Air France
04 Aug - 31 Aug	Air France
04 Aug - 06 Aug	easyJet

Also check the deals for one-way flights from Geneva to St.-denis 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 Geneva to St.-denis in August from 923€

Return flights