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

Return flights

19 Sep - 23 Sep	Avianca
28 Sep - 03 Oct	LATAM Airlines Group
18 Sep - 23 Sep	Sky Airline
16 Sep - 23 Sep	Avianca
08 Sep - 23 Sep	Avianca
30 Sep - 24 Oct	LATAM Airlines Group
18 Sep - 15 Oct	LATAM Airlines Group
08 Sep - 22 Sep	Avianca
30 Sep - 28 Oct	LATAM Airlines Group
20 Sep - 07 Oct	Avianca
08 Sep - 16 Sep	Avianca
08 Sep - 15 Sep	Avianca
11 Sep - 23 Sep	Avianca
29 Sep - 15 Oct	LATAM Airlines Group
15 Sep - 22 Sep	Avianca
29 Sep - 20 Oct	Avianca
29 Sep - 29 Oct	Avianca
28 Sep - 28 Oct	Avianca
11 Sep - 22 Sep	Avianca
22 Sep - 20 Oct	Avianca

Also check the deals for one-way flights from Buenos Aires 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 Buenos Aires to Barcelona in September from $1069

Return flights