Cheapest return flights from Barcelona to Buenos Aires in September from $1058

AirHint found the following cheapest return flights from Barcelona (BCN) to Buenos Aires (AEP) in September 2026 (see full year).

Return flights

16 Sep - 30 Sep ITA Airways
01 Sep - 20 Sep LATAM Airlines Group
08 Sep - 23 Sep LATAM Airlines Group
08 Sep - 28 Sep LATAM Airlines Group
05 Sep - 26 Sep LATAM Airlines Group
04 Sep - 25 Sep LATAM Airlines Group
04 Sep - 23 Sep LATAM Airlines Group
04 Sep - 08 Sep Vueling Airlines
08 Sep - 21 Sep LATAM Airlines Group
04 Sep - 23 Oct Vueling Airlines
07 Sep - 27 Sep Vueling Airlines
01 Sep - 01 Oct Vueling Airlines
28 Sep - 06 Oct SWISS

Also check the deals for one-way flights from Barcelona to Buenos Aires in September.

Powered by

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.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires

Feel free to contact us with any feedback or request another flight research.