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

Return flights

27 Sep - 17 Oct	Air Austral	direct
14 Sep - 15 Sep	Air Mauritius
26 Sep - 29 Sep	Corsair	direct
11 Sep - 18 Sep	Air Mauritius
29 Sep - 15 Oct	Air Mauritius
22 Sep - 03 Oct	Corsair	direct
15 Sep - 28 Sep	Air Mauritius
08 Sep - 20 Sep	Air Mauritius
12 Sep - 01 Oct	Air Mauritius
28 Sep - 26 Oct	Air Mauritius
12 Sep - 15 Sep	Air Mauritius
19 Sep - 22 Sep	Air Mauritius
11 Sep - 14 Sep	Air Mauritius
12 Sep - 10 Oct	Air Austral	direct
19 Sep - 22 Sep	Corsair	direct
12 Sep - 15 Sep	Corsair	direct
13 Sep - 14 Oct	Madagascar Airlines

Also check the deals for one-way flights from St.-denis to Antananarivo 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 St.-denis to Antananarivo in September from 382€

Return flights