$708 Cheap United flights from Chicago to Buenos Aires (ORD to EZE)

Find The Best Day To Fly from Chicago to Buenos Aires

Amazing United ORD to EZE Flight Deals

The cheapest flights to Ministro Pistarini Intl. found within the past 7 days were $901 round trip and $708 one way. Prices and availability subject to change. Additional terms may apply.

Tue, Oct 28 - Wed, Nov 5
ORD
Chicago
EZE
Buenos Aires
$901 Roundtrip, found 1 day ago
$901
Roundtrip
found 1 day ago
Select United flight, departing Tue, Oct 28 from Chicago to Buenos Aires, returning Wed, Nov 5, priced at $901 found 1 day ago

EZE From ORD Economy Coach Packages on Similar Airlines

Price found within the past 48 hours. Click for updated prices.
Howard Johnson by Wyndham Ezeiza Convention Center

Howard Johnson by Wyndham Ezeiza Convention Center

3.5 out of 5
Price was $1,351, price is now $999 per person
$999
per person
Dec 11 - Dec 16
found 1 day ago
Roundtrip non-stop flight included
Chicago (CHI) to Buenos Aires (EZE)
Algodon Mansion

Algodon Mansion

5 out of 5
Save 100% on your flight
Price was $3,432, price is now $2,173 per person
$2,173
per person
Dec 19 - Dec 23
found 1 day ago
Roundtrip flight included
Chicago (ORD) to Buenos Aires (EZE)
Faena Hotel Buenos Aires

Faena Hotel Buenos Aires

5 out of 5
Price was $2,470, price is now $1,836 per person
$1,836
per person
Dec 19 - Dec 23
found 1 day ago
Roundtrip flight included
Chicago (ORD) to Buenos Aires (EZE)
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Frequently asked questions

Can I catch a flight from O'Hare Intl. Airport (ORD) to Ezeiza International Airport right now?
It's wise to learn about any travel advice reports and quarantine requirements in effect in your destination. Be sure to go to our Covid-19 Travel Advisor for up-to-date info on catching a flight to Buenos Aires Ezeiza Airport.
What terminal is United Airlines at O'Hare Airport?
Check your boarding pass to find out which O'Hare Airport terminal you'll be departing from on your way to Ezeiza International Airport with United Airlines. If you can't spot the information on there, consult your airline.
Are there United Airlines non-stop flights from ORD to EZE?
You won't be able to fly direct between ORD and Ministro Pistarini Intl. Airport (EZE) with United Airlines. Get ready to make at least one stopover if you have to travel on this particular airline and route.
How long is a United Airlines flight from ORD to EZE?
If you enjoy a good movie session, you probably won't mind the fact that your United Airlines flight from O'Hare Intl. Airport (ORD) to Buenos Aires Ezeiza Airport will take about 12 hours and 55 minutes. Make sure you download your films before you board the plane, or simply enjoy the in-flight entertainment.
How many direct and indirect flights does United Airlines fly from ORD to EZE?
There are at least 7 United Airlines flights each week that link ORD to EZE.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Ezeiza International Airport, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Discover our best United flight from Chicago ORD to Buenos Aires EZE 

To find the best deals on flights to Chicago from Buenos Aires with United, just enter your travel dates, filter by United, and hit search. You’ll find flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Chicago ORD to Buenos Aires EZE with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $901 to $901, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from Chicago ORD to Buenos Aires EZE 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from Chicago to Buenos Aires costs from $708. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Buenos Aires EZE from  Chicago ORD with United 

To find a cheap United flight from Chicago ORD to Buenos Aires EZE, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from Chicago ORD to Buenos Aires EZE 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as October, or if you book a flight with a stopover. 

 

Find nonstop flights from Chicago ORD to Buenos Aires EZE with United 

If you’re keen to be on Buenos Aires soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around hour(s) min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from Chicago ORD to Buenos Aires EZE 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Buenos Aires EZE from  Chicago ORD with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

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Posada de las Aguilas

Posada de las Aguilas

3 out of 5
Jose Hernandez 128, Barrio Uno, Ezeiza, Buenos Aires
This hotel doesn't skimp on freebies - guests receive free continental breakfast, free self parking, and a free airport shuttle. Business travelers can take ...
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Anas inn

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3 out of 5
Pje. 3, 58, Ezeiza, Provincia de Buenos Aires
This bed & breakfast doesn't skimp on freebies - guests receive free breakfast and free WiFi. If you want to take your pet along, this pet-friendly property ...
7.8/10 Good! (41 reviews)
"This place was amazing, extremely clean the people there are three best i have had in argentina"

Reviewed on Aug 6, 2025

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Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.

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*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.