Cheapest return flights from Barcelona to Buenos Aires in September from $685

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

02 Sep - 30 Oct Lufthansa
02 Sep - 07 Oct Lufthansa
02 Sep - 11 Oct Lufthansa
03 Sep - 20 Sep Delta
11 Sep - 20 Sep Delta
05 Sep - 20 Sep Delta
06 Sep - 20 Sep Delta
16 Sep - 01 Oct Lufthansa
09 Sep - 24 Sep Lufthansa
11 Sep - 30 Sep Lufthansa
10 Sep - 08 Oct Lufthansa
11 Sep - 04 Oct Lufthansa
16 Sep - 30 Sep Lufthansa
02 Sep - 29 Sep Lufthansa
09 Sep - 23 Sep Lufthansa
04 Sep - 20 Sep Delta
16 Sep - 06 Oct Lufthansa
17 Sep - 08 Oct Air Canada
10 Sep - 03 Oct Delta
04 Sep - 20 Oct Lufthansa

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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