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

Return flights

21 Sep - 21 Oct	LEVEL	direct
29 Sep - 20 Oct	LEVEL	direct
02 Sep - 22 Sep	Lufthansa
16 Sep - 19 Oct	Iberia
30 Sep - 18 Oct	Iberia
28 Sep - 15 Oct	LEVEL	direct
23 Sep - 12 Oct	LEVEL	direct
22 Sep - 15 Oct	LEVEL	direct
18 Sep - 21 Sep	LEVEL	direct
24 Sep - 24 Oct	LEVEL	direct
05 Sep - 25 Sep	LATAM Airlines Group
12 Sep - 19 Sep	LATAM Airlines Group
12 Sep - 03 Oct	LATAM Airlines Group
03 Sep - 15 Sep	Iberia
05 Sep - 17 Sep	Lufthansa
07 Sep - 01 Oct	LATAM Airlines Group
01 Sep - 14 Sep	Iberia
06 Sep - 30 Sep	LATAM Airlines Group
06 Sep - 19 Sep	Iberia
06 Sep - 20 Sep	Iberia

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 $1118

Return flights