AirHint found the following cheapest return flights from Porto (OPO) to Buenos Aires (EZE) in November 2025 (see full year).

Return flights

22 Nov - 11 Dec	Ethiopian Airlines
13 Nov - 20 Nov	Ethiopian Airlines
20 Nov - 27 Nov	Ethiopian Airlines
15 Nov - 23 Nov	Ethiopian Airlines
06 Nov - 04 Dec	Ethiopian Airlines
21 Nov - 04 Dec	Iberia
25 Nov - 30 Dec	Ethiopian Airlines
29 Nov - 09 Dec	Ethiopian Airlines
19 Nov - 27 Nov	TAP
24 Nov - 30 Nov	Turkish Airlines
24 Nov - 09 Dec	Turkish Airlines
10 Nov - 07 Dec	Ethiopian Airlines
11 Nov - 18 Nov	Air Europa
11 Nov - 13 Nov	Air Europa
14 Nov - 07 Dec	Ryanair
29 Nov - 07 Dec	Air Europa
11 Nov - 22 Nov	Air Europa
12 Nov - 07 Dec	Azul Airlines
13 Nov - 17 Nov	TAP
17 Nov - 21 Nov	TAP

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

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 Porto to Buenos Aires in November from 785€

Return flights