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Cheap Flights from Porto (OPO) to Buenos Aires (BUEA)

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.$1,389 per passenger.Departing Thu, 20 Nov, returning Sun, 7 Dec.Return flight with SWISS.Outbound indirect flight with SWISS, departs from Porto on Thu, 20 Nov, arriving in Buenos Aires Jorge Newbery.Inbound indirect flight with SWISS, departs from Buenos Aires Ministro Pistarini on Sun, 7 Dec, arriving in Porto.Price includes taxes and charges.From $1,389, select.
Buenos Aires.$1,442 per passenger.Departing Thu, 15 Jan, returning Thu, 22 Jan.Return flight with Ethiopian Airlines.Outbound indirect flight with Ethiopian Airlines, departs from Porto on Thu, 15 Jan, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Ethiopian Airlines, departs from Buenos Aires Ministro Pistarini on Thu, 22 Jan, arriving in Porto.Price includes taxes and charges.From $1,442, select.
Buenos Aires.$1,442 per passenger.Departing Mon, 29 Dec, returning Thu, 15 Jan.Return flight with Ethiopian Airlines.Outbound indirect flight with Ethiopian Airlines, departs from Porto on Mon, 29 Dec, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Ethiopian Airlines, departs from Buenos Aires Ministro Pistarini on Thu, 15 Jan, arriving in Porto.Price includes taxes and charges.From $1,442, select.
Buenos Aires.$1,442 per passenger.Departing Tue, 2 Sep, returning Tue, 9 Sep.Return flight with Ethiopian Airlines.Outbound indirect flight with Ethiopian Airlines, departs from Porto on Tue, 2 Sep, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Ethiopian Airlines, departs from Buenos Aires Ministro Pistarini on Tue, 9 Sep, arriving in Porto.Price includes taxes and charges.From $1,442, select.
Buenos Aires.$1,442 per passenger.Departing Thu, 18 Sep, returning Thu, 16 Oct.Return flight with Ethiopian Airlines.Outbound indirect flight with Ethiopian Airlines, departs from Porto on Thu, 18 Sep, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Ethiopian Airlines, departs from Buenos Aires Ministro Pistarini on Thu, 16 Oct, arriving in Porto.Price includes taxes and charges.From $1,442, select.
Buenos Aires.$1,442 per passenger.Departing Tue, 7 Oct, returning Tue, 21 Oct.Return flight with Ethiopian Airlines.Outbound indirect flight with Ethiopian Airlines, departs from Porto on Tue, 7 Oct, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Ethiopian Airlines, departs from Buenos Aires Ministro Pistarini on Tue, 21 Oct, arriving in Porto.Price includes taxes and charges.From $1,442, select.
Buenos Aires.$1,442 per passenger.Departing Thu, 11 Dec, returning Thu, 18 Dec.Return flight with Ethiopian Airlines.Outbound indirect flight with Ethiopian Airlines, departs from Porto on Thu, 11 Dec, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Ethiopian Airlines, departs from Buenos Aires Ministro Pistarini on Thu, 18 Dec, arriving in Porto.Price includes taxes and charges.From $1,442, select.
Buenos Aires.$1,445 per passenger.Departing Tue, 26 Aug, returning Tue, 9 Sep.Return flight with Ethiopian Airlines.Outbound indirect flight with Ethiopian Airlines, departs from Porto on Tue, 26 Aug, arriving in Buenos Aires Ministro Pistarini.Inbound indirect flight with Ethiopian Airlines, departs from Buenos Aires Ministro Pistarini on Tue, 9 Sep, arriving in Porto.Price includes taxes and charges.From $1,445, 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 September.
Jul
from $1,587
Aug
from $1,591
Sep
from $1,442
Oct
from $1,442
Nov
from $1,528
Dec
from $1,442
Jan
from $1,442
Feb
from $1,574
Mar
from $1,615
Apr
from $1,528
May
from $1,577
Jun
Find prices

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 found$1,389
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 $1,384. 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 $1,389.
As of July 2025, 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 Jorge Newbery – which is 6.8 km away from the centre of Buenos Aires. We've found flights into this airport from $1,384.
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, 20 November 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 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, SWISS offers the cheapest flight tickets to Buenos Aires.

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

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

  • To avoid missing your OPO to Buenos Aires flight, leave plenty of time to check in and find your gate. Arriving two hours before international departures and one hour before domestic flights is the general rule.

  • Longer lines at check-in and security are more likely if you're travelling during high season, so allow some extra wiggle room. A good general rule for peak times? Arrive up to four hours early for international flights and two hours for domestic departures.

  • Consider adding a stopover to potentially score a cheaper flight ticket from OPO to Buenos Aires. Simply uncheck 'Direct flights only' during your search. Give yourself a breather (and maybe even a better deal) by stopping at one of these connection hubs:

    • Frankfurt Airport (FRA)

    • Charles de Gaulle Airport (CDG)

    • Adolfo Suarez Madrid-Barajas Airport (MAD)

  • Travelling from central Porto to OPO takes around 50 minutes on public transport. If you drive, ride-share or take a cab, you'll cover the 11 kilometres in 20 minutes or so, depending on traffic conditions.

  • Want an easy start to your trip? Stay near OPO. Whether you're catching an early flight from Porto Airport to Buenos Aires or just don't want to be rushed, these hotels have you covered:

  • 74.49% of flights that leave from Porto Airport reach their destination on schedule.

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

  • $702 is the cheapest price we've seen for a one-way Porto Airport to Buenos Aires flight. A round-trip flight ticket right now is $1,389. Depending on the availability when you book, these fares could change.

  • Booking early is often the key to finding a cheap flight from OPO to Buenos Aires. Airlines adjust prices based on demand, so the nearer you get to departure, the more you'll likely spend.

  • The 'Whole month' tool will show you the cheapest tickets from Porto Airport to Buenos Aires throughout the entire month. It's an easy way to snap up a bargain if your dates are flexible.

  • Finding a cheap flight from OPO to Buenos Aires is easy with Price Alerts. Simply create one of these automatic notifications and we'll get in touch as soon as a new discount appears.

  • Tailor your flights with filters. Choose your arrival and departure times, total journey duration and airlines. You can also sort your results by 'Best,' 'Fastest' or 'Cheapest' flights from Porto Airport to Buenos Aires.

Airports in Buenos Aires

Jorge Newbery Airport (AEP)

  • Jorge Newbery Airport (AEP) to the centre of Buenos Aires takes about 20 minutes to reach by car. The centre is roughly 14 kilometres away.

  • If you're taking public transport, expect a journey time of about 40 minutes.

  • If you're coming in on a late flight from Porto Airport to Buenos Aires, few things beat the convenience of staying near the terminal. Pick up your bags from the carousel and then be showered and snoozing not long after at one of these accommodation options near AEP:

  • Pick up a Jorge Newbery Airport rental car and discover Buenos Aires and beyond with your own wheels. Hertz, Localiza and rentar low cost are well-known companies to choose from here.

  • Booking your vehicle from Jorge Newbery Airport about one week before your flight from OPO to Buenos Aires can help you lock in the lowest rate.

Ministro Pistarini Airport (EZE)

  • Ministro Pistarini Airport (EZE) is around 32 kilometres from central Buenos Aires. Once you've hopped off your flight from Porto Airport to Buenos Aires, it'll take you around 35 minutes to reach the heart of the city in a cab or ride-share.

  • You can expect the journey to take roughly 2 hours 10 minutes on public transport.

  • There are some comfortable places to call home for the night near EZE. Kick back and get cosy after your OPO to Buenos Aires flight at one of these well-located options:

  • Hertz, Cactus and Localiza make collecting a Ministro Pistarini Airport rental car quick and easy. These trusted providers are located in or around the terminal and will have you ready to go in a flash.

  • Don't pay more than you need to. Booking your ride one week before your arrival at EZE can help you lock in a better rate.

Best time to go to Buenos Aires

  • Before booking your flights from Porto Airport to Buenos Aires, consider which time of year is best for you. Peak season in Buenos Aires offers a lively atmosphere and plenty of activities, while the off-season means you'll get better hotel deals and fewer crowds.

  • Before locking in your Porto Airport to Buenos Aires flight ticket, think about the weather you're most comfortable in. January is the warmest month in Buenos Aires, with temperatures ranging from 19ºC (66ºF) to 31ºC (88ºF).

  • Look for cheap tickets from OPO to Buenos Aires in July if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 5ºC (41ºF) and 15ºC (59ºF) on average.

More about Buenos Aires

  • When it comes to looking for somewhere to lay your head, you'll find the best places to stay in Buenos Aires right here. Browse these hotels once you've locked in your flight from Porto Airport to Buenos Aires:

  • Recoleta Cemetery and Obelisco de Buenos Aires are just two of the leading attractions to add to your Buenos Aires itinerary. Continue your sightseeing adventures at Casa Rosada.

Explore more of Argentina

  • Rosario is just one of the many cities in Argentina waiting to be explored once you've taken in the sights of Buenos Aires. Around 274 kilometres away to the north-west, its best attractions include Monumento a la Bandera (Flag Monument), Predio Ferial Parque de la Independencia and Parque Nacional a la Bandera.

  • If you're ready to explore another major stop in Argentina, consider Mar Del Plata, roughly 386 kilometres south of Buenos Aires. Casino Central de Mar del Plata, Centro Cultural Villa Victoria Ocampo and Villa Ortiz Basualdo.Museo Municipal de Arte Juan Carlos Castagnino are among its highlights.

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.