What is the cheapest month to fly from Porto to Buenos Aires?

Based on current 6-month forward fare data, October 2026 is the cheapest month to fly from Porto (OPO) to Buenos Aires (EZE), with fares starting from $654.

What is the lowest current fare from OPO to EZE?

The lowest currently-listed fare from Porto (OPO) to Buenos Aires (EZE) is $654 on 2026-10-28.

Is there a direct flight from Porto to Buenos Aires?

There is currently no non-stop service from OPO to EZE. Most travellers connect through a hub airport. See our route page for current stopover options.

Cheap flights from Porto to Buenos Aires

Cheapest current fares: $654 in October 2026 on connecting flights.

Last updated August 6, 2026 · By Flightmaps Editorial

Cheapest month-by-month fares

Lowest available fare per calendar month from Porto (OPO) to Buenos Aires (EZE). Refreshed daily.

Porto (OPO) → Buenos Aires (EZE)

October 2026 $654
December 2026 $714
August 2026 $886

Frequently asked questions

What is the cheapest month to fly from Porto to Buenos Aires?

Based on current 6-month forward fare data, October 2026 is the cheapest month to fly from Porto (OPO) to Buenos Aires (EZE), with fares starting from $654.
What is the lowest current fare from OPO to EZE?

The lowest currently-listed fare from Porto (OPO) to Buenos Aires (EZE) is $654 on 2026-10-28.
Is there a direct flight from Porto to Buenos Aires?

There is currently no non-stop service from OPO to EZE. Most travellers connect through a hub airport. See our route page for current stopover options.

Related guides for this route

Sibling pages — full route detail, airport overviews, visa context, per-airline routes.