Cheapest return flights from Luxemburg to Buenos Aires in September from $1149

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

Return flights

25 Sep - 29 Oct Ryanair
27 Sep - 29 Oct Ryanair
27 Sep - 31 Oct Ryanair
11 Sep - 24 Sep Ryanair
08 Sep - 24 Sep TAP
28 Sep - 31 Oct TAP
26 Sep - 31 Oct TAP
21 Sep - 25 Sep easyJet
20 Sep - 22 Sep Luxair
08 Sep - 29 Sep SWISS
10 Sep - 30 Sep SWISS

Also check the deals for one-way flights from Luxemburg to Buenos Aires in September.

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.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires

Feel free to contact us with any feedback or request another flight research.