840 € Cheap Flights from Porto 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 Airport to Buenos Aires? If you want to travel next month, return fares start from 1.000 €. Find the lowest prices on one-way and return tickets right here.

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 November.

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 found840 €
Cheapest month to flyNovember

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 840 €. 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 840 €.
As of July 2026, there are no flights flying from Porto to Buenos Aires.
The cheapest month to fly from Porto to Buenos Aires is usually November.
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 840 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Porto Airport to Buenos Aires on Monday, 23 November 2026.
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 July, the average temperature is usually around 10°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, Air Europa offers the cheapest flight tickets to Buenos Aires.

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

  • Porto Airport is located in Porto. Following the UTC-3 timezone, Buenos Aires is three hours behind Porto.

  • Give yourself plenty of time to catch your OPO to Buenos Aires flight. As a general rule, arrive two hours before international departures and an hour ahead for domestic flights.

  • During popular months like August, it's wise to get to the airport earlier than usual. Plan to arrive two hours before domestic departures and four hours ahead for international flights when you fly during a peak period in general.

  • Think about adding a stopover to potentially score a cheaper plane ticket from OPO to Buenos Aires. Just deselect 'Direct flights only' during your search. Break up your journey by stopping at one of these popular options:

    • Frankfurt Airport (FRA)

    • Paris Charles de Gaulle Airport (CDG)

    • Adolfo Suarez Madrid-Barajas Airport (MAD)

  • Located around 11 kilometres from central Porto, OPO can be reached in about 20 minutes by car (depending on traffic). The journey on public transport takes roughly 30 minutes.

  • Booked an early flight from Porto Airport to Buenos Aires? Avoid the stress of rushing to the terminal (and get some extra shut-eye) by choosing one of these hotels close to OPO:

  • 75% of flights departing from Porto Airport make it to their destination on schedule.

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

  • 405 € is currently the lowest price for a one-way Porto Airport to Buenos Aires flight. Return plane tickets start from 840 €. These prices can change depending on demand and availability.

  • Booking in advance is often the key to locking in a cheap flight from OPO to Buenos Aires. Flight prices rise as demand increases, so the nearer you get to departure, the more you'll likely spend on your ticket.

  • If you're willing to be flexible with your travel dates, make the most of the 'Whole month' search tool. It'll give you the cheapest price across every month when looking for your Porto Airport to Buenos Aires ticket.

  • Stay on top of deals for cheap flights from OPO to Buenos Aires by creating a Price Alert. You'll get an email or notification through the app when a new low fare is offered.

  • Select your ideal departure and arrival times, number of stops and airlines with our filters. Then, sort the results for your flight from Porto Airport to Buenos Aires by 'Cheapest,' 'Best' or 'Fastest.'

Airports in Buenos Aires

Buenos Aires Jorge Newbery Airfield (AEP)

  • Buenos Aires Jorge Newbery Airfield (AEP) is around 8 kilometres from the centre of Buenos Aires. If you're opting for a ride-share or a taxi, the drive takes roughly 25 minutes.

  • It typically takes 40 minutes if you're travelling on public transport.

  • The last thing you need is a lengthy journey to your hotel if you're getting in late on a flight from Porto Airport to Buenos Aires. Check in to one of these accommodation options near AEP instead:

  • Booking your vehicle from Buenos Aires Jorge Newbery Airfield around one week before your flight from OPO to Buenos Aires can help you secure the lowest rate.

Buenos Aires Ministro Pistarini Intl Airport (EZE)

  • Once your flight from Porto Airport to Buenos Aires has arrived, you can reach the city centre in about 30 minutes by car. Central Buenos Aires is roughly 32 kilometres from Buenos Aires Ministro Pistarini Intl Airport (EZE).

  • Public transport will get you there in about 1 hour 15 minutes.

  • Following your OPO to Buenos Aires flight, settle in at a hotel close to EZE. These are some great options that'll help you switch to relaxation mode:

  • Score the best price by booking your ride from EZE one week in advance. You can also expect to have a greater selection of vehicles.

Best time to go to Buenos Aires

  • December is the quietest month for flights from Porto Airport to Buenos Aires, while September is the most popular. Choose the best time to visit Buenos Aires based on whether you like a laid-back vibe or a more bustling atmosphere.

  • Lock in a Porto Airport to Buenos Aires plane ticket with a departure in January if you're eager to visit the city during its warmest month. Expect temperatures to range from 18ºC (64ºF) to 32ºC (90ºF).

  • Look for cheap tickets from OPO to Buenos Aires in July if you'd rather travel when it's cooler. Temperatures are at their lowest then, ranging between 5ºC (41ºF) and 16ºC (61ºF) on average.

More about Buenos Aires

  • When it comes to looking for somewhere to lay your head, you'll find the most popular stays in Buenos Aires right here. Browse these hotels as soon as you've locked in your flight from Porto Airport to Buenos Aires:

  • Every great journey has to include some sightseeing. El Ateneo Grand Splendid, Teatro Colon and Recoleta Cemetery are must-visits when exploring Buenos Aires.

Explore more of Argentina

  • Rosario is just one of the many cities in Argentina waiting to be discovered once you've taken in the sights of Buenos Aires. Around 274 kilometres away to the northwest, check out popular attractions including Casa Natal Che Guevara, Monumento al Che Guevara and Casa Natal de Lionel Messi.

  • Around 386 kilometres south of Buenos Aires, Mar Del Plata is another favourite stop in Argentina. Experience the best of this destination with a visit to Teatro Colon, Playa Popular and Aquasol Water Park.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.