AirHint found the following cheapest return flights from Frankfurt (FRA) to Buenos Aires (AEP) in January 2026 (see full year).

Return flights

19 Jan - 30 Jan	Air Canada
14 Jan - 02 Feb	Air Canada
23 Jan - 09 Feb	LATAM Airlines Group
12 Jan - 26 Jan	LATAM Airlines Group
14 Jan - 21 Jan	British Airways
30 Jan - 21 Feb	LATAM Airlines Group
12 Jan - 09 Feb	LATAM Airlines Group
09 Jan - 26 Jan	LATAM Airlines Group
09 Jan - 28 Jan	LATAM Airlines Group
20 Jan - 14 Feb	LATAM Airlines Group
12 Jan - 06 Feb	LATAM Airlines Group
16 Jan - 02 Feb	Lufthansa
08 Jan - 28 Jan	Air Europa
12 Jan - 22 Jan	LATAM Airlines Group
15 Jan - 31 Jan	British Airways
01 Jan - 19 Jan	LATAM Airlines Group
06 Jan - 31 Jan	Air Europa
19 Jan - 19 Feb	SWISS
18 Jan - 03 Feb	SWISS
28 Jan - 14 Feb	SWISS

Also check the deals for one-way flights from Frankfurt to Buenos Aires in January.

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 Frankfurt to Buenos Aires in January from $1115

Return flights