Cheapest return flights from Basel to Buenos Aires in December from $1277

Best time to book flights for Basel (BSL) to Buenos Aires (AEP) flights at AirHint

AirHint found the following cheapest return flights from Basel (BSL) to Buenos Aires (AEP) in December 2025 (see full year).

Return flights

01 Dec - 14 Dec Lufthansa
29 Dec - 18 Jan British Airways
12 Dec - 17 Jan Lufthansa
13 Dec - 17 Jan Lufthansa
24 Dec - 14 Jan Lufthansa
13 Dec - 12 Jan Lufthansa
22 Dec - 14 Jan Lufthansa
15 Dec - 14 Jan Lufthansa
19 Dec - 13 Jan Lufthansa
22 Dec - 05 Jan Lufthansa
20 Dec - 10 Jan Lufthansa

Also check the deals for one-way flights from Basel to Buenos Aires in December.

Skyscanner

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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