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

Return flights

12 Jan - 22 Jan	Ethiopian Airlines
15 Jan - 25 Jan	Ethiopian Airlines
24 Jan - 31 Jan	Ethiopian Airlines
06 Jan - 05 Feb	Ethiopian Airlines
20 Jan - 02 Feb	TAP
10 Jan - 24 Jan	Ethiopian Airlines
26 Jan - 23 Feb	Azul Airlines
23 Jan - 15 Feb	TAP
12 Jan - 31 Jan	LATAM Airlines Group
15 Jan - 02 Feb	TAP
16 Jan - 09 Feb	TAP
05 Jan - 02 Feb	Ryanair
03 Jan - 05 Feb	Ryanair
24 Jan - 15 Feb	TAP
10 Jan - 02 Feb	Ryanair
23 Jan - 27 Jan	SWISS
04 Jan - 31 Jan	Ryanair
16 Jan - 23 Jan	TAP
09 Jan - 24 Jan	Lufthansa
16 Jan - 19 Jan	SWISS

Also check the deals for one-way flights from Porto 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.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires

Cheapest return flights from Porto to Buenos Aires in January from 879€

Return flights