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

Return flights

21 Jan - 04 Feb	Air Canada
26 Jan - 04 Feb	Iberia
26 Jan - 20 Feb	Iberia
24 Jan - 27 Feb	LATAM Airlines Group
15 Jan - 28 Jan	Air Canada
13 Jan - 28 Jan	Air Canada
30 Jan - 23 Feb	Air Canada
29 Jan - 24 Feb	LATAM Airlines Group
19 Jan - 12 Feb	Air Europa
19 Jan - 09 Feb	Air Europa
11 Jan - 28 Jan	LATAM Airlines Group
19 Jan - 31 Jan	Air Canada
12 Jan - 06 Feb	LATAM Airlines Group
15 Jan - 30 Jan	LATAM Airlines Group
05 Jan - 26 Jan	LATAM Airlines Group
15 Jan - 22 Jan	LATAM Airlines Group
16 Jan - 13 Feb	LATAM Airlines Group
06 Jan - 22 Jan	LATAM Airlines Group
15 Jan - 29 Jan	Air Canada
05 Jan - 22 Jan	LATAM Airlines Group

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 $1125

Return flights