AirHint found the following cheapest return flights from Rome (ROM) to Buenos Aires (EZE) in September 2025 (see full year).

Return flights

08 Sep - 22 Sep	Delta
12 Sep - 28 Sep	Delta
11 Sep - 27 Sep	Delta
09 Sep - 23 Sep	Delta
12 Sep - 27 Sep	Delta
10 Sep - 21 Sep	Delta
12 Sep - 21 Sep	Delta
08 Sep - 21 Sep	Delta
15 Sep - 21 Sep	Delta
11 Sep - 15 Oct	Delta
22 Sep - 06 Oct	Ethiopian Airlines
08 Sep - 10 Oct	Delta
17 Sep - 28 Sep	Delta
17 Sep - 30 Oct	Delta
17 Sep - 27 Oct	Delta
17 Sep - 21 Oct	Delta
23 Sep - 21 Oct	Ethiopian Airlines
15 Sep - 01 Oct	Delta
18 Sep - 07 Oct	Ethiopian Airlines
17 Sep - 10 Oct	Delta

Also check the deals for one-way flights from Rome to Buenos Aires 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 Rome to Buenos Aires in September from 759€

Return flights