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

Return flights

10 Sep - 21 Sep	Air France
08 Sep - 22 Sep	Air France
01 Sep - 13 Sep	Air France
01 Sep - 15 Sep	Air France
17 Sep - 08 Oct	Air France
01 Sep - 08 Sep	easyJet
26 Sep - 18 Oct	Air France
05 Sep - 20 Sep	Air France
04 Sep - 18 Sep	Air France
14 Sep - 28 Sep	Air France
13 Sep - 27 Sep	Air France
28 Sep - 19 Oct	easyJet

Also check the deals for one-way flights from Lyon 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 Lyon to St.-denis in September from 637€

Return flights