AirHint found the following cheapest return flights from Basel (BSL) to St.-denis (RUN) in September 2025 (see full year).
Return flights
| 18 Sep - 01 Oct | easyJet | ||
| 22 Sep - 28 Sep | Pegasus Airlines | ||
| 21 Sep - 28 Sep | easyJet | ||
| 20 Sep - 04 Oct | Air France |
Also check the deals for one-way flights from Basel 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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