$176 Cheap Flights from Lima (LIM) to Buenos Aires (AEP)

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Lima to Buenos Aires Flights

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

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

Sunday is one of the best days to book for cheap flights from Lima 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 Lima 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 Lima to Buenos Aires in 2026. You can also book with separate airlines for your outbound and return journeys, from $176 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 Lima 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 Lima 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 Lima (LIM-Jorge Chávez Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery) cost?

You can find cheap one-way flights from $176 and cheap return flights $386 Lima (LIM-Jorge Chávez Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery) with Expedia. One-way flights generally range between $158 and $714, and roundtrip flights usually range from $425 to $1573. 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 Lima (LIM-Jorge Chávez 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 Lima (LIM-Jorge Chávez Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?

November is the cheapest month to fly from Lima (LIM) to Buenos Aires (AEP), with average return fares around $427. This price is about 17% lower than the average fare throughout the year, likely due to decreased travel demand. Other affordable months to consider are September and October.

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

Which airlines fly direct from Lima (LIM-Jorge Chávez Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?

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

• LAN Airlines operates around 21 direct flights from LIM to AEP every week
• LATAM Airlines Group operates around 21 direct flights from LIM to AEP every week
• Aerolineas Argentinas operates around 7 direct flights from LIM to AEP every week

How do I find cheap flights from Lima (LIM-Jorge Chávez Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?

To find a cheap flight from Lima (LIM-Jorge Chávez 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 time to fly from Lima (LIM-Jorge Chávez Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?

The best time to fly from Lima (LIM) to Buenos Aires (AEP) is typically in November or October. These months offer the lowest average prices at around $427 for a return flight, making them a great choice for budget-conscious travelers. October and November are ideal as they fall outside the peak travel season, allowing you to enjoy a more relaxed travel experience.

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

How many flights per day from Lima (LIM-Jorge Chávez Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?

You can find approximately 6 nonstop flights per day from Jorge Chavez Intl. (LIM) to Aeroparque Jorge Newbery (AEP). For more options, look at flights that include layovers.

What is the earliest flight from Lima (LIM-Jorge Chávez Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?

The earliest flight from Lima Jorge Chávez International Airport (LIM) to Buenos Aires Aeroparque Jorge Newbery (AEP) usually departs at around 12:05 AM, operated by H2 and Aerolineas Argentinas. This flight is available in February, providing a convenient option for those looking to travel to Argentina early in the year. 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 Lima (LIM-Jorge Chávez Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?

The most popular departure times for flights from Lima (LIM) to Buenos Aires (AEP) are between 9pm and midnight. About 32% of travelers choose this time window. Major carriers like LATAM Airlines and Aerolineas Argentinas offer flights during this window. This timing works well because it allows you to enjoy your day in Lima before heading to Buenos Aires.

How long does it take to fly from Lima (LIM-Jorge Chávez Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?

Direct flights from LIM to AEP usually take about 4 hours 30 minutes, traveling roughly 1,950 miles. If you opt for a connecting flight, expect to add around 15 hours 50 minutes to your journey. 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 Lima (LIM-Jorge Chávez Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?

Business class seats are offered on the LIM to AEP route with Avianca.

How do I earn miles on a Lima (LIM-Jorge Chávez Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery) flight with Expedia?

It's easy to earn miles on a Lima (LIM-Jorge Chávez 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 Jorge Chavez Intl. (LIM)?

From Jorge Chavez Intl. (LIM), you can fly into Aeroparque Jorge Newbery (AEP) and Ministro Pistarini Intl. (EZE) in Buenos Aires. Some flights may connect through major hubs like Alejandro Velasco Astete Intl. (CUZ), Cerro Moreno Intl. (ANF), Viru Viru Intl. (VVI) 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 Lima (LIM-Jorge Chávez Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery) at the last minute?

Typically, booking a last minute flight from Lima (LIM-Jorge Chávez 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 Lima (LIM-Jorge Chávez Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery) flight and hotel package?

Securing a Lima (LIM-Jorge Chávez 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 Lima (LIM-Jorge Chávez Intl.) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?

If you booked your Lima (LIM-Jorge Chávez 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.