AirHint found the following cheapest return flights from Rio Negro (MDE) to Barcelona (BCN) in September 2025 (see full year).

Return flights

15 Sep - 19 Sep	Spirit Airlines
05 Sep - 26 Sep	Spirit Airlines
08 Sep - 22 Sep	Spirit Airlines
16 Sep - 30 Sep	Spirit Airlines
08 Sep - 21 Sep	Spirit Airlines
03 Sep - 10 Sep	Spirit Airlines
01 Sep - 30 Sep	Spirit Airlines
29 Sep - 15 Oct	Air Europa
27 Sep - 11 Oct	Air Europa

Also check the deals for one-way flights from Rio Negro to Barcelona 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 Rio Negro to Barcelona in September from $698

Return flights