$633 Cheap Flights from Buenos Aires (EZE) to Porto (OPO)

View $633 flight on Wed, Feb 25, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $633 for one-way flights and $934 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Sep 2 - Thu, Sep 11
EZE
Buenos Aires
OPO
Porto
$934 Roundtrip, found 5 days ago
$934
Roundtrip
found 5 days ago
Select United flight, departing Tue, Sep 2 from Buenos Aires to Porto, returning Thu, Sep 11, priced at $934 found 5 days ago
United
Tue, Sep 2 - Mon, Sep 8
EZE
Buenos Aires
OPO
Porto
$991 Roundtrip, found 5 days ago
$991
Roundtrip
found 5 days ago
Select United flight, departing Tue, Sep 2 from Buenos Aires to Porto, returning Mon, Sep 8, priced at $991 found 5 days ago
United
Tue, Sep 2 - Fri, Sep 12
EZE
Buenos Aires
OPO
Porto
$1,002 Roundtrip, found 5 days ago
$1,002
Roundtrip
found 5 days ago
Select United flight, departing Tue, Sep 2 from Buenos Aires to Porto, returning Fri, Sep 12, priced at $1,002 found 5 days ago
United
Tue, Sep 2 - Wed, Sep 10
EZE
Buenos Aires
OPO
Porto
$1,049 Roundtrip, found 5 days ago
$1,049
Roundtrip
found 5 days ago
Select United flight, departing Tue, Sep 2 from Buenos Aires to Porto, returning Wed, Sep 10, priced at $1,049 found 5 days ago
United
Sun, Sep 7 - Tue, Sep 16
EZE
Buenos Aires
OPO
Porto
$1,054 Roundtrip, found 3 days ago
$1,054
Roundtrip
found 3 days ago
Select United flight, departing Sun, Sep 7 from Buenos Aires to Porto, returning Tue, Sep 16, priced at $1,054 found 3 days ago
United
Tue, Sep 2 - Mon, Sep 8
EZE
Buenos Aires
OPO
Porto
$1,060 Roundtrip, found 5 days ago
$1,060
Roundtrip
found 5 days ago
Select United flight, departing Tue, Sep 2 from Buenos Aires to Porto, returning Mon, Sep 8, priced at $1,060 found 5 days ago
Iberia
Sun, Oct 19 - Mon, Dec 1
EZE
Buenos Aires
OPO
Porto
$1,126 Roundtrip, found 5 days ago
$1,126
Roundtrip
found 5 days ago
Select Iberia flight, departing Sun, Oct 19 from Buenos Aires to Porto, returning Mon, Dec 1, priced at $1,126 found 5 days ago
Ethiopian Airlines
Tue, Aug 19 - Tue, Sep 2
EZE
Buenos Aires
OPO
Porto
$1,182 Roundtrip, found 3 days ago
$1,182
Roundtrip
found 3 days ago
Select Ethiopian Airlines flight, departing Tue, Aug 19 from Buenos Aires to Porto, returning Tue, Sep 2, priced at $1,182 found 3 days ago
KLM
Tue, Aug 19 - Wed, Sep 3
EZE
Buenos Aires
OPO
Porto
$1,362 Roundtrip, found 3 days ago
$1,362
Roundtrip
found 3 days ago
Select KLM flight, departing Tue, Aug 19 from Buenos Aires to Porto, returning Wed, Sep 3, priced at $1,362 found 3 days ago
Lufthansa
Mon, Oct 20 - Mon, Nov 10
EZE
Buenos Aires
OPO
Porto
$1,367 Roundtrip, found 5 days ago
$1,367
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Mon, Oct 20 from Buenos Aires to Porto, returning Mon, Nov 10, priced at $1,367 found 5 days ago

Alternative airports near Porto

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

Select flight to Dr. Francisco de Sa Carneiro OPO. Cheapest and Closest option available. Average driving time to city center is 14 minutes. Flights from $1,215
OPO
Dr. Francisco de Sa Carneiro
CheapestClosest
Average driving time to city center14 min
Flights from $1,215
Flights from Buenos Aires (EZE) to Porto (OPO)
Origin airport
Ministro Pistarini Intl.
Destination airport
Dr. Francisco de Sa Carneiro
Airlines serving
Aeromexico, Air Europa, American Airlines, British Airways, Ethiopian Airlines, Iberia, KLM, Lufthansa, Swiss International Air Lines, United
Roundtrip price
$934
Distance
6132 mi

Buenos Aires to Porto Flights

The cheapest times to fly from Buenos Aires to Porto

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

 

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

Sunday is one of the best days to book for cheap flights from Buenos Aires to Porto: 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 Buenos Aires to Porto

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 Buenos Aires to Porto in 2025. You can also book with separate airlines for your outbound and return journeys, from $633 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 Buenos Aires to Porto 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 Buenos Aires to Porto 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 Ministro Pistarini Intl. Airport (EZE) to Dr. Francisco de Sa Carneiro Airport (OPO) cost?
Discover the latest flight deals from EZE to OPO by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from EZE to OPO?
The cheapest flights from EZE to OPO are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from EZE to OPO?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from EZE to OPO. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Ministro Pistarini Intl. Airport (EZE) to Dr. Francisco de Sa Carneiro Airport (OPO)?
Nonstop flights from Ministro Pistarini Intl. Airport (EZE) to Dr. Francisco de Sa Carneiro Airport (OPO) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and click on either "1 Stop" or "2+ Stops."
What day of the week has the most flights from EZE to OPO?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change based on various factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ministro Pistarini Intl. Airport (EZE) to Dr. Francisco de Sa Carneiro Airport (OPO)?
To touch down at Dr. Francisco de Sa Carneiro Airport (OPO) on time, select a flight that takes off from Ministro Pistarini Intl. Airport (EZE) 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 Ministro Pistarini Intl. Airport (EZE) to Dr. Francisco de Sa Carneiro Airport (OPO) last-minute?
Booking your plane ticket from EZE to OPO shortly before your journey is typically more expensive. However, if you're flexible with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book an EZE to OPO flight and hotel package?
You can save money by securing an EZE to OPO flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've selected your preferred accommodations and flights, you can add extras like tours, activities and car rentals.
Can I cancel or change the date of my flight from Ministro Pistarini Intl. Airport (EZE) to Dr. Francisco de Sa Carneiro Airport (OPO)?
In most instances, you're able to cancel or reschedule your EZE to OPO flight. However, there may be additional charges, especially if you made your booking more than 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you need further details, go to our Customer Service portal.

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*Available to One Key members.