$595 Cheap Flights from Porto (OPO) to Buenos Aires (EZE)

View $595 flight on Wed, Feb 4, 2026Opens in a new window

Popular airlines from Porto Airport (OPO) to Ministro Pistarini Intl. Airport (EZE)

Cheap Flights from Porto to Buenos Aires (OPO-EZE)

Prices were available within the past 7 days and start at $595 for one-way flights and $911 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Ethiopian Airlines
Thu, May 21 - Thu, May 28
OPO
Porto
EZE
Buenos Aires
$911 Roundtrip, found 2 days ago
$911
Roundtrip
found 2 days ago
Select Ethiopian Airlines flight, departing Thu, May 21 from Porto to Buenos Aires, returning Thu, May 28, priced at $911 found 2 days ago
Ethiopian Airlines
Tue, Nov 18 - Tue, Dec 2
OPO
Porto
EZE
Buenos Aires
$911 Roundtrip, found 4 days ago
$911
Roundtrip
found 4 days ago
Select Ethiopian Airlines flight, departing Tue, Nov 18 from Porto to Buenos Aires, returning Tue, Dec 2, priced at $911 found 4 days ago
Ethiopian Airlines
Tue, Nov 18 - Sun, Nov 30
OPO
Porto
EZE
Buenos Aires
$945 Roundtrip, found 4 days ago
$945
Roundtrip
found 4 days ago
Select Ethiopian Airlines flight, departing Tue, Nov 18 from Porto to Buenos Aires, returning Sun, Nov 30, priced at $945 found 4 days ago
Ethiopian Airlines
Tue, Jan 20 - Tue, Feb 3
OPO
Porto
EZE
Buenos Aires
$968 Roundtrip, found 5 hours ago
$968
Roundtrip
found 5 hours ago
Select Ethiopian Airlines flight, departing Tue, Jan 20 from Porto to Buenos Aires, returning Tue, Feb 3, priced at $968 found 5 hours ago
Ethiopian Airlines
Thu, Dec 4 - Thu, Dec 11
OPO
Porto
EZE
Buenos Aires
$970 Roundtrip, found 3 days ago
$970
Roundtrip
found 3 days ago
Select Ethiopian Airlines flight, departing Thu, Dec 4 from Porto to Buenos Aires, returning Thu, Dec 11, priced at $970 found 3 days ago
Ethiopian Airlines
Sat, Nov 22 - Sun, Dec 7
OPO
Porto
EZE
Buenos Aires
$974 Roundtrip, found 4 days ago
$974
Roundtrip
found 4 days ago
Select Ethiopian Airlines flight, departing Sat, Nov 22 from Porto to Buenos Aires, returning Sun, Dec 7, priced at $974 found 4 days ago
United
Wed, Nov 12 - Sun, Nov 23
OPO
Porto
EZE
Buenos Aires
$980 Roundtrip, found 4 days ago
$980
Roundtrip
found 4 days ago
Select United flight, departing Wed, Nov 12 from Porto to Buenos Aires, returning Sun, Nov 23, priced at $980 found 4 days ago
LATAM Airlines Group
Fri, Jan 23 - Sun, Feb 8
OPO
Porto
EZE
Buenos Aires
$1,061 Roundtrip, found 5 days ago
$1,061
Roundtrip
found 5 days ago
Select LATAM Airlines Group flight, departing Fri, Jan 23 from Porto to Buenos Aires, returning Sun, Feb 8, priced at $1,061 found 5 days ago
KLM
Wed, Dec 3 - Mon, Dec 15
OPO
Porto
EZE
Buenos Aires
$1,179 Roundtrip, found 4 days ago
$1,179
Roundtrip
found 4 days ago
Select KLM flight, departing Wed, Dec 3 from Porto to Buenos Aires, returning Mon, Dec 15, priced at $1,179 found 4 days ago
Swiss International Air Lines
Tue, Nov 18 - Wed, Dec 3
OPO
Porto
EZE
Buenos Aires
$1,186 Roundtrip, found 4 days ago
$1,186
Roundtrip
found 4 days ago
Select Swiss International Air Lines flight, departing Tue, Nov 18 from Porto to Buenos Aires, returning Wed, Dec 3, priced at $1,186 found 4 days ago

Alternative airports near Buenos Aires

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ministro Pistarini Intl. EZE. Cheapest option available. Average driving time to city center is 25 minutes. Flights from $980
EZE
Ministro Pistarini Intl.
Cheapest
Average driving time to city center25 min
Flights from $980
Flights from Porto (OPO) to Buenos Aires (EZE)
Origin airport
Dr. Francisco de Sa Carneiro
Destination airport
Ministro Pistarini Intl.
Airlines serving
Aeromexico, Air Canada, Air Europa, British Airways, Iberia, LATAM Airlines Group, Lufthansa, Swiss International Air Lines
Roundtrip price
$910
Distance
6132 mi

Porto to Buenos Aires Flights

The cheapest times to fly from Porto 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 to Buenos Aires are during the month of May. You can find some of the cheapest flights from Porto to Buenos Aires with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Porto 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 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 to Buenos Aires in 2025. You can also book with separate airlines for your outbound and return journeys, from $595 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 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 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 much does a flight from Dr. Francisco de Sa Carneiro Airport (OPO) to Ministro Pistarini Intl. Airport (EZE) cost?
Secure a cheap one-way flight from $595 or cheap return flight from $911 from Dr. Francisco de Sa Carneiro Airport (OPO) to Ministro Pistarini Intl. Airport (EZE) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Dr. Francisco de Sa Carneiro Airport (OPO) to Ministro Pistarini Intl. Airport (EZE)?
May is the least expensive month to fly from OPO to EZE. Avoiding peak travel times is often the key to finding better fares.
What is the cheapest airline that flies from Dr. Francisco de Sa Carneiro Airport (OPO) to Ministro Pistarini Intl. Airport (EZE)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from OPO to EZE. Then, sort your results by "Price (lowest to highest)" to score a good deal.
How many flights per day from Dr. Francisco de Sa Carneiro Airport (OPO) to Ministro Pistarini Intl. Airport (EZE)?
You'll have to hop on a flight with a layover when traveling from Dr. Francisco de Sa Carneiro Airport (OPO) to Ministro Pistarini Intl. Airport (EZE). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from OPO to EZE?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Dr. Francisco de Sa Carneiro Airport (OPO) to Ministro Pistarini Intl. Airport (EZE)?
To reach Ministro Pistarini Intl. Airport (EZE) on time, book a flight that leaves Dr. Francisco de Sa Carneiro Airport (OPO) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Dr. Francisco de Sa Carneiro Airport (OPO) to Ministro Pistarini Intl. Airport (EZE) last-minute?
Last-minute bookings from OPO to EZE are usually more expensive. To secure the lowest prices, start searching for flights as soon as possible. That being said, if your travel plans are flexible, it's possible to find a cheap ticket right before you leave.
Is it cheaper to book an OPO to EZE flight and hotel package?
Compared with arranging flights and hotels separately, booking an OPO to EZE flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one place will take the stress out of planning your trip. Just pick your flights and select from our wide range of hotels, then personalize your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Dr. Francisco de Sa Carneiro Airport (OPO) to Ministro Pistarini Intl. Airport (EZE)?
In most cases, you can reschedule or cancel your OPO to EZE flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you need more information, go to our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.