$624 Cheap Flights from Buenos Aires (AEP) to Chicago (ORD)

View $624 flight on Sun, Mar 1, 2026Opens in a new window

Popular airlines from Buenos Aires (AEP-Aeroparque Jorge Newbery) to Chicago O'Hare Intl. Airport (ORD)

Cheap Flights from Buenos Aires to Chicago (AEP-ORD)

Prices were available within the past 7 days and start at $624 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
Mon, Nov 24 - Mon, Dec 1
AEP
Buenos Aires
ORD
Chicago
$986 Roundtrip, found 2 hours ago
$986
Roundtrip
found 2 hours ago
Select LATAM Airlines Group flight, departing Mon, Nov 24 from Buenos Aires to Chicago, returning Mon, Dec 1, priced at $986 found 2 hours ago
LATAM Airlines Group
Mon, Nov 24 - Mon, Dec 1
AEP
Buenos Aires
ORD
Chicago
$1,039 Roundtrip, found 2 hours ago
$1,039
Roundtrip
found 2 hours ago
Select LATAM Airlines Group flight, departing Mon, Nov 24 from Buenos Aires to Chicago, returning Mon, Dec 1, priced at $1,039 found 2 hours ago
LATAM Airlines Group
Sat, Mar 7 - Wed, Mar 11
AEP
Buenos Aires
ORD
Chicago
$1,052 Roundtrip, found 3 days ago
$1,052
Roundtrip
found 3 days ago
Select LATAM Airlines Group flight, departing Sat, Mar 7 from Buenos Aires to Chicago, returning Wed, Mar 11, priced at $1,052 found 3 days ago
LATAM Airlines Group
Mon, Dec 1 - Mon, Dec 8
AEP
Buenos Aires
ORD
Chicago
$1,064 Roundtrip, found 1 day ago
$1,064
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Mon, Dec 1 from Buenos Aires to Chicago, returning Mon, Dec 8, priced at $1,064 found 1 day ago
LATAM Airlines Group
Tue, Jan 20 - Thu, Feb 5
AEP
Buenos Aires
ORD
Chicago
$1,092 Roundtrip, found 2 hours ago
$1,092
Roundtrip
found 2 hours ago
Select LATAM Airlines Group flight, departing Tue, Jan 20 from Buenos Aires to Chicago, returning Thu, Feb 5, priced at $1,092 found 2 hours ago
LATAM Airlines Group
Mon, Apr 20 - Mon, Apr 27
AEP
Buenos Aires
ORD
Chicago
$1,097 Roundtrip, found 1 day ago
$1,097
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Mon, Apr 20 from Buenos Aires to Chicago, returning Mon, Apr 27, priced at $1,097 found 1 day ago
LATAM Airlines Group
Thu, Apr 30 - Sun, May 3
AEP
Buenos Aires
ORD
Chicago
$1,113 Roundtrip, found 1 day ago
$1,113
Roundtrip
found 1 day ago
Select LATAM Airlines Group flight, departing Thu, Apr 30 from Buenos Aires to Chicago, returning Sun, May 3, priced at $1,113 found 1 day ago
Aerolineas Argentinas
Tue, Mar 3 - Tue, Mar 10
AEP
Buenos Aires
ORD
Chicago
$1,151 Roundtrip, found 5 days ago
$1,151
Roundtrip
found 5 days ago
Select Aerolineas Argentinas flight, departing Tue, Mar 3 from Buenos Aires to Chicago, returning Tue, Mar 10, priced at $1,151 found 5 days ago
avianca
Mon, Nov 10 - Fri, Nov 14
AEP
Buenos Aires
ORD
Chicago
$1,163 Roundtrip, found 14 hours ago
$1,163
Roundtrip
found 14 hours ago
Select avianca flight, departing Mon, Nov 10 from Buenos Aires to Chicago, returning Fri, Nov 14, priced at $1,163 found 14 hours ago
Air Canada
Tue, Feb 3 - Mon, Feb 23
AEP
Buenos Aires
ORD
Chicago
$1,598 Roundtrip, found 3 hours ago
$1,598
Roundtrip
found 3 hours ago
Select Air Canada flight, departing Tue, Feb 3 from Buenos Aires to Chicago, returning Mon, Feb 23, priced at $1,598 found 3 hours ago

Alternative airports near Chicago

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to O'Hare Intl. ORD. Cheapest option available. Average driving time to city center is 23 minutes. Flights from $1,093
ORD
O'Hare Intl.
Cheapest
Average driving time to city center23 min
Flights from $1,093

Frequently asked questions

How much does a flight from Aeroparque Jorge Newbery Airport (AEP) to O'Hare Intl. Airport (ORD) cost?
Get a cheap one-way flight from $624 or cheap return flight from $986 from Aeroparque Jorge Newbery Airport (AEP) to O'Hare Intl. Airport (ORD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Aeroparque Jorge Newbery Airport (AEP) to O'Hare Intl. Airport (ORD)?
The cheapest month to fly from AEP to ORD is November, when demand is low. Off-peak season is often when better flight deals are available between these airports.
What is the cheapest airline that flies from Aeroparque Jorge Newbery Airport (AEP) to O'Hare Intl. Airport (ORD)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest AEP to ORD flight.
How many flights per day from Aeroparque Jorge Newbery Airport (AEP) to O'Hare Intl. Airport (ORD)?
Direct flights from Aeroparque Jorge Newbery Airport (AEP) to O'Hare Intl. Airport (ORD) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from AEP to ORD?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on a number of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Aeroparque Jorge Newbery Airport (AEP) to O'Hare Intl. Airport (ORD)?
To touch down at O'Hare Intl. Airport (ORD) on schedule, pick a flight that takes off from Aeroparque Jorge Newbery Airport (AEP) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Aeroparque Jorge Newbery Airport (AEP) to O'Hare Intl. Airport (ORD) last-minute?
Holding off until just before your departure to book your flight from AEP to ORD often results in higher prices. While you might find some last-minute deals, they aren't always guaranteed. Keep your travel schedule open to boost your chances of getting a bargain.
Is it cheaper to book an AEP to ORD flight and hotel package?
Opting for an AEP to ORD flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Select from our wide range of hotels 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 Aeroparque Jorge Newbery Airport (AEP) to O'Hare Intl. Airport (ORD)?
Generally, it's possible to reschedule or cancel your AEP to ORD flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Aeroparque Jorge Newbery
Destination airport
O'Hare Intl.
Airlines serving
Air Canada, LATAM Airlines Group, avianca
Roundtrip price
$985
Distance
5607 mi

Book with confidence

Buenos Aires to Chicago Flights

The cheapest times to fly from Buenos Aires to Chicago

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 Buenos Aires to Chicago are during the month of November. You can find some of the cheapest flights from Buenos Aires to Chicago with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Buenos Aires to Chicago: 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 Buenos Aires to Chicago

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 Buenos Aires to Chicago in 2025. You can also book with separate airlines for your outbound and return journeys, from $624 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 Buenos Aires to Chicago 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 Buenos Aires to Chicago 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.

 

Buenos Aires to Chicago Flights

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*Available to One Key members.