AirHint found the following cheapest return flights from Geneva (GVA) to St.-denis (RUN) in September 2026 (see full year).

Return flights

06 Sep - 16 Sep	easyJet
11 Sep - 24 Sep	easyJet
07 Sep - 17 Sep	easyJet
11 Sep - 26 Sep	easyJet
11 Sep - 02 Oct	easyJet
05 Sep - 19 Sep	SWISS
17 Sep - 26 Sep	easyJet
19 Sep - 03 Oct	easyJet
19 Sep - 02 Oct	easyJet

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

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 September from 550€

Return flights