$293 Cheap Flights from Baltimore (BWI) to Buenos Aires (AEP)

View $293 flight on Wed, Dec 31, 2025Opens in a new window

Popular airlines from Baltimore Washington Intl. Airport (BWI) to Buenos Aires (AEP-Aeroparque Jorge Newbery)

Cheap Flights from Baltimore to Buenos Aires (BWI-AEP)

Prices were available within the past 7 days and start at $293 for one-way flights and $676 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

LATAM Airlines Group
Mon, Apr 6 - Fri, Apr 17
BWI
Baltimore
AEP
Buenos Aires
$676 Roundtrip, just found
$676
Roundtrip
just found
Select LATAM Airlines Group flight, departing Mon, Apr 6 from Baltimore to Buenos Aires, returning Fri, Apr 17, priced at $676 just found
LATAM Airlines Group
Wed, Mar 4 - Sun, Mar 8
BWI
Baltimore
AEP
Buenos Aires
$683 Roundtrip, found 1 day ago
$683
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Wed, Mar 4 from Baltimore to Buenos Aires, returning Sun, Mar 8, priced at $683 found 1 day ago
LATAM Airlines Group
Wed, Mar 4 - Sun, Mar 8
BWI
Baltimore
AEP
Buenos Aires
$690 Roundtrip, found 1 day ago
$690
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Wed, Mar 4 from Baltimore to Buenos Aires, returning Sun, Mar 8, priced at $690 found 1 day ago
LATAM Airlines Group
Fri, Nov 14 - Wed, Nov 19
BWI
Baltimore
AEP
Buenos Aires
$701 Roundtrip, found 1 day ago
$701
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Fri, Nov 14 from Baltimore to Buenos Aires, returning Wed, Nov 19, priced at $701 found 1 day ago
Delta
Fri, Jun 5 - Sat, Jun 13
BWI
Baltimore
AEP
Buenos Aires
$724 Roundtrip, found 6 days ago
$724
Roundtrip
found 6 days ago
Select Delta flight, departing Fri, Jun 5 from Baltimore to Buenos Aires, returning Sat, Jun 13, priced at $724 found 6 days ago
LATAM Airlines Group
Sun, Dec 7 - Sun, Dec 14
BWI
Baltimore
AEP
Buenos Aires
$725 Roundtrip, found 6 days ago
$725
Roundtrip
found 6 days ago
Select LATAM Airlines Group flight, departing Sun, Dec 7 from Baltimore to Buenos Aires, returning Sun, Dec 14, priced at $725 found 6 days ago
LATAM Airlines Group
Fri, Mar 20 - Wed, Mar 25
BWI
Baltimore
AEP
Buenos Aires
$730 Roundtrip, found 1 day ago
$730
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Fri, Mar 20 from Baltimore to Buenos Aires, returning Wed, Mar 25, priced at $730 found 1 day ago
LATAM Airlines Group
Fri, Mar 20 - Wed, Mar 25
BWI
Baltimore
AEP
Buenos Aires
$737 Roundtrip, found 1 day ago
$737
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Fri, Mar 20 from Baltimore to Buenos Aires, returning Wed, Mar 25, priced at $737 found 1 day ago
LATAM Airlines Group
Mon, Apr 6 - Fri, Apr 17
BWI
Baltimore
AEP
Buenos Aires
$744 Roundtrip, just found
$744
Roundtrip
just found
Select LATAM Airlines Group flight, departing Mon, Apr 6 from Baltimore to Buenos Aires, returning Fri, Apr 17, priced at $744 just found
LATAM Airlines Group
Thu, Apr 2 - Tue, Apr 7
BWI
Baltimore
AEP
Buenos Aires
$751 Roundtrip, found 9 hours ago
$751
Roundtrip
found 9 hours ago
Select LATAM Airlines Group flight, departing Thu, Apr 2 from Baltimore to Buenos Aires, returning Tue, Apr 7, priced at $751 found 9 hours 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 $866
EZE
Ministro Pistarini Intl.
Cheapest
Average driving time to city center25 min
Flights from $866
Flights from Baltimore (BWI) to Buenos Aires (AEP)
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Aeroparque Jorge Newbery
Airlines serving
LATAM Airlines Group
Roundtrip price
$675
Distance
5226 mi

Baltimore to Buenos Aires Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Baltimore 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 Baltimore 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 Baltimore to Buenos Aires in 2025. You can also book with separate airlines for your outbound and return journeys, from $293 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 Baltimore 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 Baltimore 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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Aeroparque Jorge Newbery Airport (AEP) cost?
Grab a cheap one-way flight from $293 or cheap return flight from $676 from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Aeroparque Jorge Newbery Airport (AEP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Aeroparque Jorge Newbery Airport (AEP)?
April is the cheapest month to fly from BWI to AEP. Planning your trip for the off-season is often the key to finding a great deal.
What is the cheapest airline that flies from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Aeroparque Jorge Newbery Airport (AEP)?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll fly you from BWI to AEP. Then, sort your results by "Price (lowest to highest)" to score the best deal available.
How many flights per day from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Aeroparque Jorge Newbery Airport (AEP)?
You'll need to catch a flight with a layover if you're traveling from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Aeroparque Jorge Newbery Airport (AEP). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from BWI to AEP?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* However, this can change depending on the time of year, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Aeroparque Jorge Newbery Airport (AEP)?
To avoid potential delays on the Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Aeroparque Jorge Newbery Airport (AEP) route, travel before 3 PM. Later flights have a 22% higher chance of cancellation.**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 Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Aeroparque Jorge Newbery Airport (AEP) last-minute?
Last-minute bookings from BWI to AEP are typically more expensive. To secure the lowest prices, start looking for flights as soon as possible. That said, if you're flexible with your travel plans, you may find a cheap fare right before you leave.
Is it cheaper to book a BWI to AEP flight and hotel package?
You can save money by securing a BWI to AEP flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. After choosing your ideal accommodations and flights, consider adding extras including tours, activities and car rentals.
Can I cancel or change the date of my flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Aeroparque Jorge Newbery Airport (AEP)?
If you reserved your BWI to AEP flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of fare 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, visit our Customer Service portal for further details.

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*Available to One Key members.