Cheapest return flights from Barcelona to Buenos Aires in September from 987€

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

Return flights

15 Sep - 08 Oct Vueling Airlines
15 Sep - 06 Oct Vueling Airlines
04 Sep - 26 Sep LATAM Airlines Group
03 Sep - 23 Sep LATAM Airlines Group
02 Sep - 21 Sep LATAM Airlines Group
03 Sep - 21 Sep LATAM Airlines Group
10 Sep - 29 Sep LATAM Airlines Group
07 Sep - 21 Sep Vueling Airlines
02 Sep - 20 Sep LATAM Airlines Group
07 Sep - 16 Sep Vueling Airlines
01 Sep - 20 Sep Vueling Airlines
11 Sep - 13 Oct Vueling Airlines
22 Sep - 29 Sep Vueling Airlines
13 Sep - 03 Oct Vueling Airlines
12 Sep - 02 Oct Avianca
15 Sep - 07 Oct Avianca
18 Sep - 09 Oct Avianca
17 Sep - 07 Oct Avianca
01 Sep - 01 Oct Vueling Airlines

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

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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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