Cheapest return flights from Bilbao to Buenos Aires in August from $1172

Best time to book flights for Bilbao (BIO) to Buenos Aires (AEP) flights at AirHint

AirHint found the following cheapest return flights from Bilbao (BIO) to Buenos Aires (AEP) in August 2025 (see full year).

Return flights

29 Aug - 05 Sep LATAM Airlines Group
22 Aug - 06 Sep LATAM Airlines Group
11 Aug - 28 Aug LATAM Airlines Group
07 Aug - 26 Aug LATAM Airlines Group
13 Aug - 29 Aug LATAM Airlines Group
08 Aug - 26 Aug LATAM Airlines Group
05 Aug - 26 Aug LATAM Airlines Group
10 Aug - 28 Aug Air Europa
09 Aug - 27 Aug Iberia
08 Aug - 27 Aug LATAM Airlines Group
03 Aug - 20 Aug Air Europa

Also check the deals for one-way flights from Bilbao to Buenos Aires in August.

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.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires