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

Return flights

20 May - 08 Jun	Avianca
05 May - 25 May	Avianca
11 May - 10 Jun	GOL Linhas Aéreas
23 May - 16 Jun	Avianca
14 May - 31 May	Aerolíneas Argentinas
08 May - 28 May	GOL Linhas Aéreas
05 May - 19 May	Aerolíneas Argentinas
04 May - 27 May	Avianca
11 May - 30 May	GOL Linhas Aéreas
04 May - 17 May	Aerolíneas Argentinas
20 May - 30 Jun	Avianca
01 May - 10 May	Avianca
01 May - 06 Jun	Aerolíneas Argentinas

Also check the deals for one-way flights from Buenos Aires to Istanbul 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.

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Cheapest return flights from Buenos Aires to Istanbul in May from 997€

Return flights