Cheapest return flights from Barcelona to Buenos Aires in September from $846

Best time to book flights for Barcelona (BCN) to Buenos Aires (EZE) flights at AirHint

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

Return flights

08 Sep - 21 Sep Delta
11 Sep - 23 Sep Delta
08 Sep - 25 Sep Delta
11 Sep - 20 Sep Delta
05 Sep - 29 Sep Delta
05 Sep - 21 Sep Delta
03 Sep - 20 Sep Delta
05 Sep - 20 Sep Delta
03 Sep - 25 Sep Delta
03 Sep - 29 Sep Delta
03 Sep - 05 Oct Delta
05 Sep - 05 Oct Delta
10 Sep - 04 Oct Air Canada
18 Sep - 03 Oct Air France
18 Sep - 07 Oct Air France
05 Sep - 01 Oct Delta
05 Sep - 03 Oct Delta
04 Sep - 06 Oct Air France
11 Sep - 04 Oct Delta
05 Sep - 02 Oct Delta

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

Skyscanner

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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