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

Return flights

08 May - 15 May	LATAM Airlines Group
05 May - 20 May	LATAM Airlines Group
06 May - 27 May	LATAM Airlines Group
07 May - 14 May	LATAM Airlines Group
06 May - 19 May	Air Canada
04 May - 15 May	Air Canada
04 May - 17 May	Air Canada
04 May - 27 May	Aerolineas Argentinas
06 May - 21 May	LATAM Airlines Group
01 May - 29 May	Avianca
18 May - 08 Jun	Aerolineas Argentinas
13 May - 18 Jun	Avianca
10 May - 12 Jun	Avianca
11 May - 13 Jun	Avianca
04 May - 10 Jun	Avianca
22 May - 05 Jun	Avianca
26 May - 06 Jun	Avianca
23 May - 10 Jun	Avianca
18 May - 07 Jun	Avianca
26 May - 09 Jun	Avianca

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

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 Barcelona

Cheap car rent in Barcelona

Cheapest return flights from Buenos Aires to Barcelona in May from $947

Return flights