$77 Cheap Flights from Porto Alegre (POA) to Buenos Aires (AEP)

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Find available prices by choosing your travel dates.

Cheap Flights from Porto Alegre to Buenos Aires (POA-AEP)

Prices were available within the past 7 days and start at $77 for one-way flights and $211 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Aerolineas Argentinas
GOL Linhas Aereas S.A.
Aerolineas Argentinas
GOL Linhas Aereas S.A.
GOL Linhas Aereas S.A.
Aerolineas Argentinas
GOL Linhas Aereas S.A.
Aerolineas Argentinas
GOL Linhas Aereas S.A.
LATAM Airlines Group
Flights from Porto Alegre (POA) to Buenos Aires (AEP)
Origin airport
Salgado Filho Intl.
Destination airport
Aeroparque Jorge Newbery
Airlines serving
Aerolineas Argentinas, GOL Linhas Aereas S.A., LATAM Airlines Group
Roundtrip price
$210
Distance
527 mi

Porto Alegre to Buenos Aires Flights

The cheapest times to fly from Porto Alegre to Buenos Aires

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Porto Alegre to Buenos Aires are during the month of May. You can find some of the cheapest flights from Porto Alegre to Buenos Aires with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Porto Alegre to Buenos Aires

Sunday is one of the best days to book for cheap flights from Porto Alegre to Buenos Aires: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Porto Alegre to Buenos Aires

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Porto Alegre to Buenos Aires in 2025. You can also book with separate airlines for your outbound and return journeys, from $77 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Porto Alegre to Buenos Aires flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Porto Alegre to Buenos Aires airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How long does it take to fly from Salgado Filho Intl. Airport (POA) to Aeroparque Jorge Newbery Airport (AEP)?
Aerolineas Argentinas operates a direct flight jetting off from Salgado Filho Intl. Airport (POA) at 7:45AM and reaching AEP at 9:40AM — a total flight time of 1 hour and 55 minutes. Select your preferred seat, bring some things to keep you occupied and the time will whiz by.
Is it cheaper to buy a plane ticket from POA to Aeroparque Jorge Newbery Airport last minute?
Booking your flight from POA to AEP at the last minute could save you a pretty penny if you’re lucky enough to find a bargain. However, fares typically don’t come down in price as the date of departure nears. If you hold off, flights could also be booked out or the best seats taken (because who wants the middle seat?). If you’d rather not take any chances, book well in advance of your departure date. It’s worth noting that some of the best deals can be found up to a year in advance. If your favorite airline hasn’t released tickets yet, check back regularly as offers are updated on Expedia constantly.
What airports do you fly into for Buenos Aires from Porto Alegre?
With Aeroparque Jorge Newbery Airport (AEP), Ministro Pistarini Intl. Airport (EZE) and La Plata (LPG) to choose from, getting from Porto Alegre to Buenos Aires is a breeze. The city’s main gateway, Aeroparque Jorge Newbery Airport (AEP), is around 4 mi northwest of the downtown area. As well as ticket prices, consider factors like bus or train options from the airport and the distance to your hotel when deciding where to land. Get your Buenos Aires adventure off to a superb start by exploring Obelisco and Colón Theatre.
What are the most popular departure times for flights from Salgado Filho Intl. Airport (POA) to AEP?
For Aerolineas Argentinas flights making their way from Porto Alegre Intl. Airport to Aeroparque Jorge Newbery Airport, the busiest time is between 9:00 PM - 10:00 PM. If you want to avoid any delays, head out in the morning. This gives you a better chance to escape the heavy air traffic that builds up in the skyways in the afternoon and evening.
Can I change the date of my flight from Salgado Filho Intl. Airport (POA) to Aeroparque Jorge Newbery Airport?
You can quickly make changes to your Salgado Filho Intl. Airport (POA) to Aeroparque Jorge Newbery Airport trip via the Expedia Trips portal. But before you make any amendments, look over the ticket rules in your itinerary to see what the carrier will allow you to do and if charges apply. Some carriers charge a change fee per person, in addition to any difference in fares. But if you booked in the last 24 hours, you may be able to cancel for free and book new flights. You can also check out our Customer Service portal for more advice and to chat with our Virtual Agent.

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*Available to One Key members.