Cheap Flights from Chicago (ORD) to Buenos Aires (EZE) from HK$3,910~

View HK$3,910 flight on Sat, 4 Oct 2025Opens in a new window

Popular airlines from Chicago O'Hare Intl. Airport (ORD) to Ministro Pistarini Intl. Airport (EZE)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 35% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Find Cheap Flights from Chicago (ORD) to Buenos Aires (EZE)

Prices were available within the past 7 days and start at HK$3,910 for one-way flights and HK$7,212 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Wed, 29 Oct - Tue, 11 Nov
ORD
Chicago
EZE
Buenos Aires
HK$7,212 Return, found 2 days ago
HK$7,212
Return
found 2 days ago
Select Delta flight, departing Wed, 29 Oct from Chicago to Buenos Aires, returning Tue, 11 Nov, priced at HK$7,212 found 2 days ago
Copa
Fri, 5 Sep - Thu, 18 Sep
ORD
Chicago
EZE
Buenos Aires
HK$7,554 Return, found 1 day ago
HK$7,554
Return
found 1 day ago
Select Copa flight, departing Fri, 5 Sep from Chicago to Buenos Aires, returning Thu, 18 Sep, priced at HK$7,554 found 1 day ago
Copa
Thu, 4 Sep - Thu, 11 Sep
ORD
Chicago
EZE
Buenos Aires
HK$7,634 Return, found 1 day ago
HK$7,634
Return
found 1 day ago
Select Copa flight, departing Thu, 4 Sep from Chicago to Buenos Aires, returning Thu, 11 Sep, priced at HK$7,634 found 1 day ago
Air Canada
Thu, 30 Oct - Wed, 12 Nov
ORD
Chicago
EZE
Buenos Aires
HK$7,694 Return, found 2 days ago
HK$7,694
Return
found 2 days ago
Select Air Canada flight, departing Thu, 30 Oct from Chicago to Buenos Aires, returning Wed, 12 Nov, priced at HK$7,694 found 2 days ago
Copa
Fri, 5 Sep - Thu, 18 Sep
ORD
Chicago
EZE
Buenos Aires
HK$7,714 Return, found 1 day ago
HK$7,714
Return
found 1 day ago
Select Copa flight, departing Fri, 5 Sep from Chicago to Buenos Aires, returning Thu, 18 Sep, priced at HK$7,714 found 1 day ago
Copa
Thu, 4 Sep - Thu, 11 Sep
ORD
Chicago
EZE
Buenos Aires
HK$7,784 Return, found 1 day ago
HK$7,784
Return
found 1 day ago
Select Copa flight, departing Thu, 4 Sep from Chicago to Buenos Aires, returning Thu, 11 Sep, priced at HK$7,784 found 1 day ago
Copa
Wed, 29 Oct - Tue, 11 Nov
ORD
Chicago
EZE
Buenos Aires
HK$7,794 Return, found 2 days ago
HK$7,794
Return
found 2 days ago
Select Copa flight, departing Wed, 29 Oct from Chicago to Buenos Aires, returning Tue, 11 Nov, priced at HK$7,794 found 2 days ago
Copa
Fri, 5 Sep - Thu, 18 Sep
ORD
Chicago
EZE
Buenos Aires
HK$7,864 Return, found 1 day ago
HK$7,864
Return
found 1 day ago
Select Copa flight, departing Fri, 5 Sep from Chicago to Buenos Aires, returning Thu, 18 Sep, priced at HK$7,864 found 1 day ago
LATAM Airlines Group
Wed, 29 Oct - Mon, 10 Nov
ORD
Chicago
EZE
Buenos Aires
HK$8,316 Return, found 8 hours ago
HK$8,316
Return
found 8 hours ago
Select LATAM Airlines Group flight, departing Wed, 29 Oct from Chicago to Buenos Aires, returning Mon, 10 Nov, priced at HK$8,316 found 8 hours ago
American Airlines
Wed, 29 Oct - Mon, 10 Nov
ORD
Chicago
EZE
Buenos Aires
HK$9,100 Return, found 8 hours ago
HK$9,100
Return
found 8 hours ago
Select American Airlines flight, departing Wed, 29 Oct from Chicago to Buenos Aires, returning Mon, 10 Nov, priced at HK$9,100 found 8 hours ago

Find the cheapest month to fly from Chicago (ORD) to Buenos Aires (EZE)

November is typically the cheapest month to fly

From HK$5,212 - HK$9,233 per traveller.

Graph displaying average flight prices per month

Chicago to Buenos Aires route information
Origin airport
O'Hare Intl.
Destination airport
Ministro Pistarini Intl.
Airlines serving
Air Canada, American Airlines, Copa, Delta, GOL Linhas Aereas S.A., United
Return price
HK$7,212
Distance
8994 km

Flights from Chicago to Buenos Aires

Book cheap flights from Chicago (ORD) to Buenos Aires (EZE) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Chicago (ORD) to Buenos Aires (EZE) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Chicago (ORD) to Buenos Aires (EZE) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Buenos Aires flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Buenos Aires and things to do in Buenos Aires for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Buenos Aires more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Buenos Aires is HK$3,910 now!

 

Frequently asked questions

How much is a flight from ORD to Ezeiza International Airport?
Start packing your bags, because round-trip journeys from O'Hare Airport to Ministro Pistarini Intl. Airport (EZE) start from HK$7,212. That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can increase quickly, so book today to lock in the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from O'Hare Intl. Airport (ORD) to Ezeiza International Airport?
Each air carrier has its own terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from O'Hare Intl. Airport (ORD) to Buenos Aires Ezeiza Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for ORD to Ezeiza International Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from O'Hare Intl. Airport (ORD) to Ezeiza International Airport?
You'll have 9,100 kilometers to cover on the long-haul Chicago to Ezeiza route. Dress in layers of comfortable clothes and consider taking a pair of noise-canceling earphones.
Which airlines fly direct from ORD to Buenos Aires Ezeiza Airport?
You won't find any airlines operating directly between ORD and Ezeiza International Airport, so be ready to make at least one stop on your journey. A layover can be a nice way to break up a trip!
Are O'Hare Airport to Buenos Aires Ezeiza Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can occasionally pick up a bargain, with some of the cheapest airfares from ORD to EZE popping up a few weeks before the date of departure. If you'd rather book ahead of time, Expedia compares and updates the best flight deals continuously — as early as a year in advance in some cases. It depends on the carrier though, as not every airline releases prices that far in advance.

Explore a world of travel with Expedia

*Available to Expedia members.