$99 Cheap Flights from Asuncion (ASU) to Buenos Aires (AEP)

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Asuncion to Buenos Aires Flights

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

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

Sunday is one of the best days to book for cheap flights from Asuncion 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 Asuncion 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 Asuncion to Buenos Aires in 2026. You can also book with separate airlines for your outbound and return journeys, from $99 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 Asuncion 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 Asuncion 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 Asuncion (ASU-Silvio Pettirossi Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery) cost?

You can find cheap one-way flights from $99 and cheap return flights $229 Asuncion (ASU-Silvio Pettirossi Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery) with Expedia. One-way flights generally range between $97 and $454, and roundtrip flights usually range from $263 to $740. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Asuncion (ASU-Silvio Pettirossi Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery) ticket fares go up or down.

*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.

What is the cheapest month to fly from Asuncion (ASU-Silvio Pettirossi Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?

January is the cheapest month to fly from Asuncion (ASU) to Buenos Aires (AEP), with average round-trip fares around $237. This price is about 32% lower than the average throughout the year, as demand is generally lower at the start of the year. Other budget-friendly months include September and December.

*Averages based on flights available on Expedia in the last year.

Which airlines fly direct from Asuncion (ASU-Silvio Pettirossi Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?

There are 2 airlines offering direct flights from ASU to AEP:

• Aerolineas Argentinas operates around 12 direct flights from ASU to AEP every week
• LATAM Airlines Group operates around 9 direct flights from ASU to AEP every week
• LAN Airlines operates around 9 direct flights from ASU to AEP every week

How do I find cheap flights from Asuncion (ASU-Silvio Pettirossi Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?

To find a cheap flight from Asuncion (ASU-Silvio Pettirossi Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

What is the best airline to fly with from Asuncion (ASU-Silvio Pettirossi Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?

The best airline to fly with from Asuncion (ASU) to Buenos Aires (AEP) will differ from traveler to traveler. If you like to fly early, Aerolineas Argentinas offers early morning flights. If price is the most important factor, JA typically offers the lowest fares. GOL Linhas Aereas S.A. offers the most daily flights from Asuncion to Buenos Aires, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.

What is the best time to fly from Asuncion (ASU-Silvio Pettirossi Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?

For flights from Asuncion (ASU) to Buenos Aires (AEP), January and September are your best bets. You can expect return flights to be around $237 in January, which is a great deal as it’s a quieter travel period. September also offers good prices and is popular for travelers looking to enjoy the spring weather in Buenos Aires.

*Prices based on flights available on Expedia in the last year.

How many flights per day from Asuncion (ASU-Silvio Pettirossi Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?

You can find approximately 4 nonstop flights per day from Silvio Pettirossi Intl. (ASU) to Aeroparque Jorge Newbery (AEP). For more options, look at flights that include layovers.

What is the earliest flight from Asuncion (ASU-Silvio Pettirossi Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?

The earliest flight from Asuncion (ASU) to Buenos Aires (AEP) usually departs at around 2:45 AM, operated by Aerolineas Argentinas. This seasonal service is active in February and March, giving you an early start to your travels. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

What are the most popular departure times for flights from Asuncion (ASU-Silvio Pettirossi Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?

The most popular departure times for flights from Asuncion (ASU) to Buenos Aires (AEP) are in the early afternoon, from 12pm to 3pm. About 29% of passengers prefer this time window. Many major carriers, including Aerolineas Argentinas and GOL, offer flights during this window. This timing works well because it allows you to enjoy your morning in Asuncion before heading to Buenos Aires.

How long does it take to fly from Asuncion (ASU-Silvio Pettirossi Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?

Flying nonstop from ASU to AEP takes around 2 hours, with the route covering approximately 646 miles. Flights with a layover typically take 6 hours 30 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.

Can you fly business or first class from Asuncion (ASU-Silvio Pettirossi Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?

Select the "Business class" and "First class" filters when looking for ASU to AEP flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.

How do I earn miles on a Asuncion (ASU-Silvio Pettirossi Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery) flight with Expedia?

It's easy to earn miles on a Asuncion (ASU-Silvio Pettirossi Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

What airports do you fly into for Buenos Aires from Silvio Pettirossi Intl. (ASU)?

From Silvio Pettirossi Intl. (ASU), you can fly into Aeroparque Jorge Newbery (AEP) and Ministro Pistarini Intl. (EZE) in Buenos Aires. Some flights may connect through major hubs like Guarulhos - Governor Andre Franco Montoro Intl. (GRU) before reaching Buenos Aires. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Is it cheaper to buy a plane ticket from Asuncion (ASU-Silvio Pettirossi Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery) at the last minute?

Typically, booking a last minute flight from Asuncion (ASU-Silvio Pettirossi Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Is it cheaper to book a Asuncion (ASU-Silvio Pettirossi Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery) flight and hotel package?

Securing a Asuncion (ASU-Silvio Pettirossi Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery) Buenos Aires Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

Can I cancel or change the date of my flight from Asuncion (ASU-Silvio Pettirossi Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?

If you booked your Asuncion (ASU-Silvio Pettirossi Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.