Cheapest return flights from Barcelona to Buenos Aires in September from $996

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

Return flights

16 Sep - 06 Oct Air Canada
16 Sep - 30 Oct Iberia
02 Sep - 29 Oct easyJet
15 Sep - 30 Oct Iberia
06 Sep - 20 Sep Iberia
13 Sep - 30 Oct Iberia
20 Sep - 30 Oct Air Europa
18 Sep - 30 Oct Iberia
05 Sep - 20 Sep Ryanair
24 Sep - 21 Oct Ryanair
13 Sep - 24 Sep Iberia
19 Sep - 30 Oct Ryanair
24 Sep - 29 Oct Ryanair
15 Sep - 25 Sep Iberia
16 Sep - 20 Sep Iberia
12 Sep - 21 Sep Iberia
05 Sep - 29 Sep Ryanair
15 Sep - 23 Sep Iberia
11 Sep - 27 Sep Ryanair
12 Sep - 27 Sep Iberia

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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