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

Return flights

25 Aug - 07 Sep	easyJet
25 Aug - 10 Sep	easyJet
25 Aug - 11 Sep	easyJet
22 Aug - 02 Sep	Air France
29 Aug - 03 Sep	SWISS
22 Aug - 31 Aug	Vueling Airlines
21 Aug - 25 Aug	Air France
17 Aug - 24 Aug	easyJet
08 Aug - 17 Aug	easyJet
08 Aug - 16 Aug	easyJet
09 Aug - 30 Aug	Air France
10 Aug - 19 Aug	Air France

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 $1029

Return flights