AirHint found the following cheapest return flights from Antananarivo (TNR) to St.-denis (RUN) in September 2025 (see full year).

Return flights

18 Sep - 30 Sep	Air Mauritius
18 Sep - 03 Oct	Air Mauritius
10 Sep - 21 Sep	Air Mauritius
26 Sep - 29 Sep	Corsair	direct
21 Sep - 23 Sep	Air Mauritius
20 Sep - 27 Sep	Air Mauritius
13 Sep - 14 Sep	Air Austral	direct
06 Sep - 13 Sep	Air Austral	direct
20 Sep - 21 Sep	Air Austral	direct
06 Sep - 07 Sep	Air Mauritius
06 Sep - 07 Sep	Air Austral	direct
17 Sep - 13 Oct	Air Austral

Also check the deals for one-way flights from Antananarivo 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 Antananarivo to St.-denis in September from $439

Return flights