$417 Cheap Flights from Philadelphia (PHL) to Buenos Aires (AEP)

View $417 flight on Tue, Apr 14, 2026Opens in a new window

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

Cheap Flights from Philadelphia to Buenos Aires (PHL-AEP)

Prices were available within the past 7 days and start at $417 for one-way flights and $986 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

LATAM Airlines Group
Thu, Dec 4 - Thu, Dec 11
PHL
Philadelphia
AEP
Buenos Aires
$986 Roundtrip, found 4 hours ago
$986
Roundtrip
found 4 hours ago
Select LATAM Airlines Group flight, departing Thu, Dec 4 from Philadelphia to Buenos Aires, returning Thu, Dec 11, priced at $986 found 4 hours ago
LATAM Airlines Group
Tue, Dec 9 - Tue, Dec 23
PHL
Philadelphia
AEP
Buenos Aires
$994 Roundtrip, found 6 hours ago
$994
Roundtrip
found 6 hours ago
Select LATAM Airlines Group flight, departing Tue, Dec 9 from Philadelphia to Buenos Aires, returning Tue, Dec 23, priced at $994 found 6 hours ago
avianca
Mon, Apr 13 - Thu, Apr 30
PHL
Philadelphia
AEP
Buenos Aires
$1,000 Roundtrip, found 9 hours ago
$1,000
Roundtrip
found 9 hours ago
Select avianca flight, departing Mon, Apr 13 from Philadelphia to Buenos Aires, returning Thu, Apr 30, priced at $1,000 found 9 hours ago
LATAM Airlines Group
Tue, Dec 9 - Tue, Dec 23
PHL
Philadelphia
AEP
Buenos Aires
$1,003 Roundtrip, found 6 hours ago
$1,003
Roundtrip
found 6 hours ago
Select LATAM Airlines Group flight, departing Tue, Dec 9 from Philadelphia to Buenos Aires, returning Tue, Dec 23, priced at $1,003 found 6 hours ago
LATAM Airlines Group
Wed, Dec 3 - Mon, Dec 15
PHL
Philadelphia
AEP
Buenos Aires
$1,011 Roundtrip, found 6 hours ago
$1,011
Roundtrip
found 6 hours ago
Select LATAM Airlines Group flight, departing Wed, Dec 3 from Philadelphia to Buenos Aires, returning Mon, Dec 15, priced at $1,011 found 6 hours ago
LATAM Airlines Group
Wed, Dec 3 - Mon, Dec 15
PHL
Philadelphia
AEP
Buenos Aires
$1,019 Roundtrip, found 6 hours ago
$1,019
Roundtrip
found 6 hours ago
Select LATAM Airlines Group flight, departing Wed, Dec 3 from Philadelphia to Buenos Aires, returning Mon, Dec 15, priced at $1,019 found 6 hours ago
LATAM Airlines Group
Thu, Dec 4 - Thu, Dec 11
PHL
Philadelphia
AEP
Buenos Aires
$1,025 Roundtrip, found 4 hours ago
$1,025
Roundtrip
found 4 hours ago
Select LATAM Airlines Group flight, departing Thu, Dec 4 from Philadelphia to Buenos Aires, returning Thu, Dec 11, priced at $1,025 found 4 hours ago
LATAM Airlines Group
Mon, Dec 1 - Sun, Dec 7
PHL
Philadelphia
AEP
Buenos Aires
$1,031 Roundtrip, found 6 days ago
$1,031
Roundtrip
found 6 days ago
Select LATAM Airlines Group flight, departing Mon, Dec 1 from Philadelphia to Buenos Aires, returning Sun, Dec 7, priced at $1,031 found 6 days ago
LATAM Airlines Group
Tue, Dec 2 - Thu, Dec 11
PHL
Philadelphia
AEP
Buenos Aires
$1,033 Roundtrip, found 6 hours ago
$1,033
Roundtrip
found 6 hours ago
Select LATAM Airlines Group flight, departing Tue, Dec 2 from Philadelphia to Buenos Aires, returning Thu, Dec 11, priced at $1,033 found 6 hours ago
Air Canada
Thu, Mar 12 - Wed, Mar 18
PHL
Philadelphia
AEP
Buenos Aires
$1,491 Roundtrip, found 4 days ago
$1,491
Roundtrip
found 4 days ago
Select Air Canada flight, departing Thu, Mar 12 from Philadelphia to Buenos Aires, returning Wed, Mar 18, priced at $1,491 found 4 days 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 $956
EZE
Ministro Pistarini Intl.
Cheapest
Average driving time to city center25 min
Flights from $956
Flights from Philadelphia (PHL) to Buenos Aires (AEP)
Origin airport
Philadelphia Intl.
Destination airport
Aeroparque Jorge Newbery
Airlines serving
Air Canada, LATAM Airlines Group, avianca
Roundtrip price
$985
Distance
5253 mi

Philadelphia to Buenos Aires Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Philadelphia 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 Philadelphia 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 Philadelphia to Buenos Aires in 2025. You can also book with separate airlines for your outbound and return journeys, from $417 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 Philadelphia 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 Philadelphia 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 Philadelphia Intl. Airport (PHL) to Aeroparque Jorge Newbery Airport (AEP) cost?
Grab a cheap one-way flight from $417 or cheap return flight from $986 from Philadelphia Intl. Airport (PHL) 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 Philadelphia Intl. Airport (PHL) to Aeroparque Jorge Newbery Airport (AEP)?
December is the cheapest month to fly from PHL to AEP. Planning your trip for the off-season is often the key to landing a great deal.
What is the cheapest airline that flies from Philadelphia Intl. Airport (PHL) to Aeroparque Jorge Newbery Airport (AEP)?
To find the cheapest airline that'll fly you from PHL to AEP, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Philadelphia Intl. Airport (PHL) to Aeroparque Jorge Newbery Airport (AEP)?
You'll need to hop on a flight with a layover when traveling from Philadelphia Intl. Airport (PHL) to Aeroparque Jorge Newbery Airport (AEP). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from PHL to AEP?
Friday is typically the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary depending on a range of factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Philadelphia Intl. Airport (PHL) to Aeroparque Jorge Newbery Airport (AEP)?
To avoid potential delays on the Philadelphia Intl. Airport (PHL) to Aeroparque Jorge Newbery Airport (AEP) route, fly before 3 PM. Later flights are 22% more likely to be canceled.**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 Philadelphia Intl. Airport (PHL) to Aeroparque Jorge Newbery Airport (AEP) last-minute?
Booking your flight from PHL to AEP just before your journey is typically more expensive. But if there's some wiggle room with your schedule, you could snag a cheap last-minute fare.
Is it cheaper to book a PHL to AEP flight and hotel package?
Booking a PHL to AEP flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our impressive range of accommodations and then add activities, car rentals and flights 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 Philadelphia Intl. Airport (PHL) to Aeroparque Jorge Newbery Airport (AEP)?
Generally, it's possible to reschedule or cancel your PHL to AEP flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

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*Available to One Key members.