Cheapest return flights from Frankfurt to Buenos Aires in September from $962

AirHint found the following cheapest return flights from Frankfurt (FRA) to Buenos Aires (AEP) in September 2025 (see full year).

Return flights

14 Sep - 10 Oct LATAM Airlines Group
11 Sep - 25 Sep LATAM Airlines Group
05 Sep - 25 Sep LATAM Airlines Group
23 Sep - 07 Oct LATAM Airlines Group
22 Sep - 06 Oct LATAM Airlines Group
08 Sep - 30 Sep LATAM Airlines Group
05 Sep - 24 Sep LATAM Airlines Group
23 Sep - 30 Sep LATAM Airlines Group
22 Sep - 22 Oct LATAM Airlines Group
11 Sep - 24 Sep LATAM Airlines Group
12 Sep - 22 Sep LATAM Airlines Group
24 Sep - 09 Oct LATAM Airlines Group
07 Sep - 22 Sep LATAM Airlines Group
23 Sep - 26 Oct LATAM Airlines Group
09 Sep - 30 Sep Ryanair
10 Sep - 01 Oct Ryanair
15 Sep - 15 Oct easyJet
17 Sep - 30 Sep LATAM Airlines Group
11 Sep - 07 Oct Ryanair
25 Sep - 23 Oct LATAM Airlines Group

Also check the deals for one-way flights from Frankfurt 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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