Cheapest return OPO–AEP flights, December

AirHint found the following cheapest return flights from Porto (OPO) to Buenos Aires (AEP) in December 2026 (see full year).

Return flights

10 Dec - 30 Jan LATAM Airlines Group
23 Dec - 26 Jan LATAM Airlines Group
10 Dec - 24 Jan LATAM Airlines Group
11 Dec - 16 Jan Ryanair
02 Dec - 06 Jan Air Europa
25 Dec - 08 Jan Iberia
12 Dec - 04 Jan TAP
02 Dec - 02 Jan Air Europa
08 Dec - 08 Jan Ryanair
26 Dec - 01 Jan Ryanair

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

Powered by

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.