Cityscape of Puerto Madero neighborhood with Puente de La Mujer or Woman's Bridge, High-rise buildings, harbour and river during sunset in Buenos Aires, Argentina. With copy space

$709 Cheap Flights from León (BJX) to Buenos Aires (AEP)

View $709 flight on Sat, Apr 3, 2027Opens in a new window

Popular airlines from Bajío Intl. Airport (BJX) to Buenos Aires (AEP-Aeroparque Jorge Newbery)

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Cheap Flights from León to Buenos Aires (BJX-AEP)

Prices were available within the past 7 days and start at $709 for one-way flights and $1,204 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Apr 3 - Sat, Apr 10
BJX
León
AEP
Buenos Aires
$1,204 Roundtrip, found 2 days ago
$1,204
Roundtrip
found 2 days ago
Select American Airlines flight, departing Sat, Apr 3 from León to Buenos Aires, returning Sat, Apr 10, priced at $1,204 found 2 days ago
LATAM Airlines Group
Wed, Oct 7 - Sun, Nov 1
BJX
León
AEP
Buenos Aires
$1,208 Roundtrip, found 9 hours ago
$1,208
Roundtrip
found 9 hours ago
Select LATAM Airlines Group flight, departing Wed, Oct 7 from León to Buenos Aires, returning Sun, Nov 1, priced at $1,208 found 9 hours ago
Aeromexico
Mon, Nov 16 - Mon, Nov 23
BJX
León
AEP
Buenos Aires
$1,251 Roundtrip, found 4 days ago
$1,251
Roundtrip
found 4 days ago
Select Aeromexico flight, departing Mon, Nov 16 from León to Buenos Aires, returning Mon, Nov 23, priced at $1,251 found 4 days ago
LATAM Airlines Group
Mon, Nov 16 - Mon, Nov 23
BJX
León
AEP
Buenos Aires
$1,256 Roundtrip, found 12 hours ago
$1,256
Roundtrip
found 12 hours ago
Select LATAM Airlines Group flight, departing Mon, Nov 16 from León to Buenos Aires, returning Mon, Nov 23, priced at $1,256 found 12 hours ago
LATAM Airlines Group
Tue, Dec 1 - Tue, Dec 15
BJX
León
AEP
Buenos Aires
$1,284 Roundtrip, found 3 days ago
$1,284
Roundtrip
found 3 days ago
Select LATAM Airlines Group flight, departing Tue, Dec 1 from León to Buenos Aires, returning Tue, Dec 15, priced at $1,284 found 3 days ago
LATAM Airlines Group
Wed, Oct 7 - Sun, Nov 1
BJX
León
AEP
Buenos Aires
$1,286 Roundtrip, found 9 hours ago
$1,286
Roundtrip
found 9 hours ago
Select LATAM Airlines Group flight, departing Wed, Oct 7 from León to Buenos Aires, returning Sun, Nov 1, priced at $1,286 found 9 hours ago
Aeromexico
Wed, Oct 7 - Sun, Nov 1
BJX
León
AEP
Buenos Aires
$1,339 Roundtrip, found 9 hours ago
$1,339
Roundtrip
found 9 hours ago
Select Aeromexico flight, departing Wed, Oct 7 from León to Buenos Aires, returning Sun, Nov 1, priced at $1,339 found 9 hours ago
LATAM Airlines Group
Wed, Oct 7 - Sun, Nov 1
BJX
León
AEP
Buenos Aires
$1,343 Roundtrip, found 9 hours ago
$1,343
Roundtrip
found 9 hours ago
Select LATAM Airlines Group flight, departing Wed, Oct 7 from León to Buenos Aires, returning Sun, Nov 1, priced at $1,343 found 9 hours ago
Aeromexico
Fri, Aug 7 - Mon, Aug 17
BJX
León
AEP
Buenos Aires
$1,346 Roundtrip, found 13 hours ago
$1,346
Roundtrip
found 13 hours ago
Select Aeromexico flight, departing Fri, Aug 7 from León to Buenos Aires, returning Mon, Aug 17, priced at $1,346 found 13 hours ago
Aeromexico
Fri, Aug 7 - Mon, Aug 17
BJX
León
AEP
Buenos Aires
$1,346 Roundtrip, found 13 hours ago
$1,346
Roundtrip
found 13 hours ago
Select Aeromexico flight, departing Fri, Aug 7 from León to Buenos Aires, returning Mon, Aug 17, priced at $1,346 found 13 hours ago

Frequently asked questions

How much does a flight from León, Guanajuato (BJX-Del Bajío) to Buenos Aires (AEP-Aeroparque Jorge Newbery) cost?
You can find cheap one-way flights from $709 and cheap return flights from $1,204 León, Guanajuato (BJX-Del Bajío) to Buenos Aires (AEP-Aeroparque Jorge Newbery) with Expedia. Return flights typically cost between $1519 and $4717. 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 León, Guanajuato (BJX-Del Bajío) 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 León, Guanajuato (BJX-Del Bajío) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?
The cheapest month to fly from BJX to AEP is April when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from León, Guanajuato (BJX-Del Bajío) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?
Enter BJX to AEP and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from León, Guanajuato (BJX-Del Bajío) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?
Delta is one of the cheapest airlines offering connecting flights from León, Guanajuato (BJX) to Buenos Aires (AEP), with round-trip tickets starting from around $3,057 with a layover in Hartsfield-Jackson Atlanta Intl. (ATL). Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from León, Guanajuato (BJX-Del Bajío) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?
To find a cheap flight from León, Guanajuato (BJX-Del Bajío) 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 León, Guanajuato (BJX-Del Bajío) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from León, Guanajuato (BJX-Del Bajío) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?
The earliest flight from León, Guanajuato (BJX) to Buenos Aires (AEP) typically departs at around 5:45 AM, operated by Aeromexico and Aerolineas Argentinas. This seasonal service is available in December, making it a great option for travelers planning a trip to Buenos Aires during that month. An early departure can help you maximize your time in this vibrant city. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from León, Guanajuato (BJX-Del Bajío) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?
The busiest day for flights from Del Bajio Intl. (BJX) to Aeroparque Jorge Newbery (AEP) is a Sunday, with around 10 flights. This gives you plenty of options for your travel plans. Major airlines on this route include Aeromexico, American Airlines, and Delta.
What are the most popular departure times for flights from León, Guanajuato (BJX-Del Bajío) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?
The most popular departure times for flights from León (BJX) to Buenos Aires (AEP) are in the early morning, from 6am to 9am. About 40% of passengers prefer this time window. Many major carriers, including Aeroméxico and Delta, operate flights during this time. This is a great choice for travelers looking to maximize their time in Buenos Aires upon arrival.
How long does it take to fly from León, Guanajuato (BJX-Del Bajío) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?
Flights from BJX to AEP with one stop typically take around 24 hours 50 minutes, covering approximately 4,767 miles. 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 León, Guanajuato (BJX-Del Bajío) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?
Select the "Business class" and "First class" filters when looking for BJX 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 León, Guanajuato (BJX-Del Bajío) to Buenos Aires (AEP-Aeroparque Jorge Newbery) flight with Expedia?
It's easy to earn miles on a León, Guanajuato (BJX-Del Bajío) 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 Del Bajio Intl. (BJX)?
From Del Bajio Intl. (BJX), you can fly into Ministro Pistarini Intl. (EZE) and Aeroparque Jorge Newbery (AEP) in Buenos Aires. Some flights may connect through major hubs like Mexico City Intl. (MEX), Dallas-Fort Worth Intl. (DFW), George Bush Intercontinental (IAH) 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 León, Guanajuato (BJX-Del Bajío) to Buenos Aires (AEP-Aeroparque Jorge Newbery) at the last minute?
Typically, booking a last minute flight from León, Guanajuato (BJX-Del Bajío) 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 León, Guanajuato (BJX-Del Bajío) to Buenos Aires (AEP-Aeroparque Jorge Newbery) flight and hotel package?
Securing a León, Guanajuato (BJX-Del Bajío) 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 León, Guanajuato (BJX-Del Bajío) to Buenos Aires (AEP-Aeroparque Jorge Newbery)?
If you booked your León, Guanajuato (BJX-Del Bajío) 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.

Travel information

Origin airport
Del Bajío
Destination airport
Aeroparque Jorge Newbery
Airlines serving
Aeromexico, LATAM Airlines Group
Roundtrip price
$1,204
Distance
4765 mi

Book with confidence

León to Buenos Aires Flights

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

 

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

Sunday is one of the best days to book for cheap flights from León 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 León 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 León to Buenos Aires in 2026. You can also book with separate airlines for your outbound and return journeys, from $709 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 León 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 León 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.

 

León to Buenos Aires Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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