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

Return flights

23 Sep - 21 Oct	Air France
07 Sep - 27 Sep	Air France
09 Sep - 22 Sep	Air France
01 Sep - 15 Sep	Air France
10 Sep - 22 Sep	Air France
07 Sep - 24 Sep	Air France
09 Sep - 24 Sep	Air France
03 Sep - 24 Sep	Air France
08 Sep - 24 Sep	Air France
15 Sep - 25 Sep	Air France
28 Sep - 11 Oct	Air France
20 Sep - 04 Oct	Air France
09 Sep - 10 Sep	Air France

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 757€

Return flights