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C$639 Cheap Flights from Porto to Buenos Aires

Compare Porto to Buenos Aires flight deals

Find the cheapest month or even day of the year to fly to Buenos Aires

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Flight deals from Porto to Buenos Aires

Looking for a cheap last-minute deal or the best return flight from Porto to Buenos Aires? Find the lowest prices on one-way and return tickets right here.
Buenos Aires.C$639 per passenger.Departing Tue., Mar. 10.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Porto on Tue., Mar. 10, arriving in Buenos Aires Jorge Newbery.Price includes taxes and charges.From C$639, select.
Buenos Aires.C$640 per passenger.Departing Mon., Oct. 20.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Porto on Mon., Oct. 20, arriving in Buenos Aires Jorge Newbery.Price includes taxes and charges.From C$640, select.
Buenos Aires.C$649 per passenger.Departing Sun., May 24.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from Porto on Sun., May 24, arriving in Buenos Aires Jorge Newbery.Price includes taxes and charges.From C$649, select.
Buenos Aires.C$688 per passenger.Departing Wed., Dec. 3.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Porto on Wed., Dec. 3, arriving in Buenos Aires Jorge Newbery.Price includes taxes and charges.From C$688, select.
Buenos Aires.C$712 per passenger.Departing Thu., Nov. 13.One-way flight with Ryanair.Outbound indirect flight with Ryanair, departs from Porto on Thu., Nov. 13, arriving in Buenos Aires Jorge Newbery.Price includes taxes and charges.From C$712, select.
Buenos Aires.C$799 per passenger.Departing Wed., Apr. 22.One-way flight with Air Europa.Outbound indirect flight with Air Europa, departs from Porto on Wed., Apr. 22, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From C$799, select.
Buenos Aires.C$804 per passenger.Departing Tue., Feb. 10.One-way flight with Air Europa.Outbound indirect flight with Air Europa, departs from Porto on Tue., Feb. 10, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From C$804, select.
Buenos Aires.C$861 per passenger.Departing Sun., Jan. 11.One-way flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Porto on Sun., Jan. 11, arriving in Buenos Aires Ministro Pistarini.Price includes taxes and charges.From C$861, select.

Find the cheapest month to fly from Porto to Buenos Aires

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Porto to Buenos Aires flights are currently cheapest in March.
Sep.
from C$966
Oct.
from C$640
Nov.
from C$712
Dec.
from C$688
Jan.
from C$861
Feb.
from C$804
Mar.
from C$639
Apr.
from C$799
May
from C$649
Jun.
from C$966
Jul.
Find prices
Aug.
from C$1,169

Alternative Porto to Buenos Aires routes

Looking for the cheapest, fastest or easiest route from Porto to Buenos Aires? You could fly into the following airports instead.

Porto to Buenos Aires: Flight information

The things to know before you go.
Cheapest flight foundC$639
Cheapest month to flyMarch

Finding cheap flights from Porto to Buenos Aires: Frequently asked questions

There are 2 airports in Buenos Aires: Buenos Aires Jorge Newbery and Buenos Aires Ministro Pistarini.
The best price we found for a return flight from Porto to Buenos Aires is C$1,230. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Porto to Buenos Aires. But we found flights with one or more stops from C$1,230.
As of September 2025, there are no flights flying from Porto to Buenos Aires.
The cheapest month to fly from Porto to Buenos Aires is usually September.
If you're flying from Porto Airport, the cheapest airport near Buenos Aires is Buenos Aires Ministro Pistarini – which is 27.7 km away from the centre of Buenos Aires. We've found flights into this airport from C$1,230.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Porto Airport to Buenos Aires on Thursday, September 25, 2025.
No airlines currently offer direct flights between Porto Airport and Buenos Aires. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Buenos Aires but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Buenos Aires is around 40 days in advance, so don’t leave your flight to the last minute.
In September, the average temperature is usually around 13°C. January is typically the warmest month in Buenos Aires, when it usually averages around 30°C. You can expect the least rain in June. The coldest month is July, with temperatures averaging 6°C. The rainiest month is March.
Currently, Ethiopian Airlines offers the cheapest flight tickets to Buenos Aires.

Flying from Porto Airport (OPO) to Buenos Aires: what you need to know

  • Buenos Aires is 3 hours behind Porto, where Porto Airport is located. Buenos Aires operates on the UTC-3 timezone.

  • For a smooth journey, arrive at the airport two hours ahead of international flights and an hour before domestic departures. This way, you'll have plenty of time to catch your flight from OPO to Buenos Aires.

  • Travelling during a popular month such as August? School holidays and other popular seasons can lead to longer lines at security. Play it safe and arrive up to four hours ahead of an international flight and two hours before domestic departures.

  • Think about adding a stopover to possibly find a cheaper flight from OPO to Buenos Aires. Just deselect 'Direct flights only' when browsing the departures. Take a break from travelling at one of these popular options:

    • Adolfo Suarez Madrid-Barajas Airport (MAD)

    • Charles de Gaulle Airport (CDG)

    • Frankfurt Airport (FRA)

  • You can enter Argentina for tourism purposes without a visa if you hold a passport from Portugal. But before reserving your flight tickets from Porto Airport to Buenos Aires, make sure you're up to date with the latest guidelines. Visa rules are subject to change, and you may need some documentation if your trip is for work or other reasons.

  • OPO is around 16 kilometres from central Porto. If you're ride-sharing, catching a cab or driving from the centre, it'll take 21 minutes or so to get there, depending on traffic conditions. If you're taking public transport, expect the journey time to be approximately 49 minutes.

  • Catching an early flight from Porto Airport to Buenos Aires? Avoid the hassle of rushing to the terminal (and sneak in some extra precious sleep) by picking one of these hotels close to OPO:

How to find the cheapest flights from Porto Airport (OPO) to Buenos Aires

  • C$639 is the lowest price we've seen for a one-way ticket from Porto Airport to Buenos Aires. For a return flight on this route, the best price is C$1,230. Depending on when you book and the availability, these fares can change.

  • Don't wait until the last minute. You're more likely to find cheap tickets from OPO to Buenos Aires if you book in advance. Airlines often offer some amazing early bird discounts.

  • Getting cheap tickets from Porto Airport to Buenos Aires is easier if you're flexible with your trip dates. Use the 'Whole month' search function to see the best prices across every month and bag a great deal.

  • Log into your online account or use the app to create a Price Alert. You'll be notified straight away if there's a better deal on this route. It doesn't take long, and it'll save you time looking for cheap tickets from OPO to Buenos Aires every day.

  • Use the filters to tailor your flights from Porto Airport to Buenos Aires. Simply select your preferred arrival and departure times, airlines and number of stops. Alternatively, sort your results by 'Cheapest' to find the best deals.

Airports in Buenos Aires

Jorge Newbery Airport (AEP)

Ministro Pistarini Airport (EZE)

Best time to go to Buenos Aires

  • It's time to figure out your dates for your flight from Porto Airport to Buenos Aires. August is the most popular month for a trip to Buenos Aires. If you like a quieter vibe, go in April.

  • When booking your flight from Porto Airport to Buenos Aires, think about the type of weather you enjoy. January is the warmest month in Buenos Aires, with temperatures ranging from 19ºC to 31ºC.

  • If you'd rather travel in cooler conditions, search for a cheap flight from OPO to Buenos Aires in July when temperatures average between 5ºC and 15ºC.

More about Buenos Aires

Complete your Buenos Aires trip with a car rental

  • Pick one of our car rentals in Buenos Aires and see the sights at your leisure. Easily compare companies in one place to find the ideal ride after booking your hotel and cheap flights from Porto Airport to Buenos Aires.

Plan the rest of your trip from Porto to Buenos Aires

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.