$341 Cheap Flights from Quito (UIO) to Buenos Aires (AEP)

View $341 flight on Wed, Jan 28, 2026Opens in a new window

Popular airlines from Mariscal Sucre Intl. Airport (UIO) to Buenos Aires (AEP-Aeroparque Jorge Newbery)

Cheap Flights from Quito to Buenos Aires (UIO-AEP)

Prices were available within the past 7 days and start at $341 for one-way flights and $464 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Jetsmart SPA
Wed, Nov 5 - Sun, Nov 9
UIO
Quito
AEP
Buenos Aires
$464 Roundtrip, found 18 hours ago
$464
Roundtrip
found 18 hours ago
Select Jetsmart SPA flight, departing Wed, Nov 5 from Quito to Buenos Aires, returning Sun, Nov 9, priced at $464 found 18 hours ago
Jetsmart SPA
Sun, Nov 2 - Sun, Nov 9
UIO
Quito
AEP
Buenos Aires
$486 Roundtrip, found 18 hours ago
$486
Roundtrip
found 18 hours ago
Select Jetsmart SPA flight, departing Sun, Nov 2 from Quito to Buenos Aires, returning Sun, Nov 9, priced at $486 found 18 hours ago
Jetsmart SPA
Wed, Oct 29 - Sun, Nov 2
UIO
Quito
AEP
Buenos Aires
$492 Roundtrip, found 3 hours ago
$492
Roundtrip
found 3 hours ago
Select Jetsmart SPA flight, departing Wed, Oct 29 from Quito to Buenos Aires, returning Sun, Nov 2, priced at $492 found 3 hours ago
Jetsmart SPA
Wed, Oct 29 - Fri, Nov 7
UIO
Quito
AEP
Buenos Aires
$499 Roundtrip, found 3 hours ago
$499
Roundtrip
found 3 hours ago
Select Jetsmart SPA flight, departing Wed, Oct 29 from Quito to Buenos Aires, returning Fri, Nov 7, priced at $499 found 3 hours ago
Jetsmart SPA
Sun, Nov 2 - Wed, Nov 12
UIO
Quito
AEP
Buenos Aires
$507 Roundtrip, found 18 hours ago
$507
Roundtrip
found 18 hours ago
Select Jetsmart SPA flight, departing Sun, Nov 2 from Quito to Buenos Aires, returning Wed, Nov 12, priced at $507 found 18 hours ago
LATAM Airlines Group
Fri, Nov 14 - Sun, Nov 23
UIO
Quito
AEP
Buenos Aires
$511 Roundtrip, found 6 days ago
$511
Roundtrip
found 6 days ago
Select LATAM Airlines Group flight, departing Fri, Nov 14 from Quito to Buenos Aires, returning Sun, Nov 23, priced at $511 found 6 days ago
Jetsmart SPA
Fri, Sep 26 - Thu, Oct 9
UIO
Quito
AEP
Buenos Aires
$530 Roundtrip, found 2 days ago
$530
Roundtrip
found 2 days ago
Select Jetsmart SPA flight, departing Fri, Sep 26 from Quito to Buenos Aires, returning Thu, Oct 9, priced at $530 found 2 days ago
Jetsmart SPA
Sun, Nov 9 - Wed, Dec 10
UIO
Quito
AEP
Buenos Aires
$534 Roundtrip, found 1 day ago
$534
Roundtrip
found 1 day ago
Select Jetsmart SPA flight, departing Sun, Nov 9 from Quito to Buenos Aires, returning Wed, Dec 10, priced at $534 found 1 day ago
Jetsmart SPA
Wed, Dec 3 - Sun, Dec 7
UIO
Quito
AEP
Buenos Aires
$542 Roundtrip, found 2 days ago
$542
Roundtrip
found 2 days ago
Select Jetsmart SPA flight, departing Wed, Dec 3 from Quito to Buenos Aires, returning Sun, Dec 7, priced at $542 found 2 days ago
avianca
Mon, Sep 8 - Mon, Sep 15
UIO
Quito
AEP
Buenos Aires
$772 Roundtrip, found 1 hour ago
$772
Roundtrip
found 1 hour ago
Select avianca flight, departing Mon, Sep 8 from Quito to Buenos Aires, returning Mon, Sep 15, priced at $772 found 1 hour 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 $579
EZE
Ministro Pistarini Intl.
Cheapest
Average driving time to city center25 min
Flights from $579
Flights from Quito (UIO) to Buenos Aires (AEP)
Origin airport
Mariscal Sucre Intl.
Destination airport
Aeroparque Jorge Newbery
Airlines serving
Jetsmart SPA, LATAM Airlines Group, avianca
Roundtrip price
$463
Distance
2705 mi

Quito to Buenos Aires Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Quito 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 Quito 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 Quito to Buenos Aires in 2025. You can also book with separate airlines for your outbound and return journeys, from $341 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 Quito 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 Quito 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 Mariscal Sucre Intl. Airport (UIO) to Aeroparque Jorge Newbery Airport (AEP) cost?
Snag a cheap one-way flight from $341 or cheap return flight from $464 from Mariscal Sucre Intl. Airport (UIO) to Aeroparque Jorge Newbery Airport (AEP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Mariscal Sucre Intl. Airport (UIO) to Aeroparque Jorge Newbery Airport (AEP)?
The cheapest month to fly from UIO to AEP is November, when demand is low. Off-peak months are often when airlines offer better prices between these airports.
What is the cheapest airline that flies from Mariscal Sucre Intl. Airport (UIO) to Aeroparque Jorge Newbery Airport (AEP)?
To find the cheapest airline flying from UIO to AEP, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Mariscal Sucre Intl. Airport (UIO) to Aeroparque Jorge Newbery Airport (AEP)?
There are no daily nonstop flights from Mariscal Sucre Intl. Airport (UIO) to Aeroparque Jorge Newbery Airport (AEP). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from UIO to AEP?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary based on a range of factors, such as 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 Mariscal Sucre Intl. Airport (UIO) to Aeroparque Jorge Newbery Airport (AEP)?
To land at Aeroparque Jorge Newbery Airport (AEP) without delays, choose a flight that takes off from Mariscal Sucre Intl. Airport (UIO) before 3 PM. The likelihood 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.
What airports do you fly into for Buenos Aires from Mariscal Sucre Intl. Airport (UIO)?
Ministro Pistarini Intl. Airport (EZE) is the only airport in Buenos Aires with direct flights from Mariscal Sucre Intl. Airport (UIO). Browse the available options and discover cheap fares on Expedia.
Is it cheaper to buy a plane ticket from Mariscal Sucre Intl. Airport (UIO) to Aeroparque Jorge Newbery Airport (AEP) last-minute?
Booking your flight from UIO to AEP right before your getaway is generally more expensive. But if there's some wiggle room with your travel times and dates, you could score a cheap last-minute fare.
Is it cheaper to book an UIO to AEP flight and hotel package?
Booking an UIO to AEP flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Select from our extensive range of hotels and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Mariscal Sucre Intl. Airport (UIO) to Aeroparque Jorge Newbery Airport (AEP)?
If you reserved your UIO to AEP flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you want more information.

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*Available to One Key members.