Find Cheap Flights from Chicago to Buenos Aires (CHI - BUE)

Flights overview

Useful information for finding cheap flights from Chicago to Buenos Aires and booking your next trip

Cheapest round-trip flights	$897	COPA 1 stop 19 hr Thu, Jun 4 — Wed, Jun 17	The cheapest round-trip flight from Chicago to Buenos Aires is currently $897
Cheapest one-way flight	$344	Arajet 1 stop 18 hr Mon, Jun 1	The cheapest one-way flight from Chicago to Buenos Aires is currently $344
Last-minute weekend getaway	$892	Delta, LATAM 2 stops 24 hr Sat, May 9 — Mon, May 11	The cheapest last-minute weekend getaway from Chicago to Buenos Aires is currently $892
Cheapest business class flights	$2,272	Avianca 1 stop 15 hr Thu, Jun 4 — Wed, Jun 17	The cheapest business class round-trip flight from Chicago to Buenos Aires is currently $2,272

Fastest flight	12 hr 50 min	The fastest flight with stops from Chicago to Buenos Aires takes 12 hr 50 min
Nonstop flights	None	There are no direct flights on this route.

When is the cheapest time to fly?

The cheapest month to fly from Chicago to Buenos Aires is typically October. The most expensive month to fly is typically July.

October Cheapest	Typical prices: $740–970
July Most expensive	Typical prices: $1,000–1,350

Popular airlines from Chicago to Buenos Aires

American

from $1,005

Typical price: $1,050–1,650

242 weekly connecting flights

ORD - EZE Every day
Delta

from $909

Typical price: $1,000–1,550

166 weekly connecting flights

MDW, ORD - EZE Every day
United

from $1,005

Typical price: $1,050–1,600

46 weekly connecting flights

ORD - EZE Every day
COPA

from $897

Typical price: $880–1,600

41 weekly connecting flights

ORD - EZE Every day
Avianca

from $1,092

Typical price: $940–1,550

28 weekly connecting flights

ORD - AEP, EZE Every day
Aeromexico

from $1,683

Typical price: $1,550–3,500

19 weekly connecting flights

ORD - EZE Every day

Popular airports near Chicago

Chicago O'Hare International Airport (ORD)

Chicago United States 26 min 16 mi
Chicago Midway International Airport (MDW)

Chicago United States 25 min 9 mi
Milwaukee Mitchell International Airport (MKE)

Milwaukee United States 1 hr 23 min 75 mi
Indianapolis International Airport (IND)

Indianapolis United States 2 hr 58 min 165 mi

Popular airports near Buenos Aires

Aeroparque Internacional Jorge Newbery (AEP)

Buenos Aires Argentina 18 min 3 mi
Ezeiza International Airport (EZE)

Buenos Aires Argentina 42 min 17 mi
Aeropuerto Internacional Rosario "Islas Malvinas". (ROS)

Rosario Argentina 3 hr 30 min 181 mi

Frequently asked questions about flying from Chicago to Buenos Aires

The cheapest flights from Chicago to Buenos Aires are usually in October. Typical ticket prices in October range from $740 to $970.

The cheapest round-trip flight from Chicago to Buenos Aires recently found on Google Flights was with COPA from $897. The cheapest one-way flight was with Arajet from $344.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest American flight from Chicago to Buenos Aires is $1,005, flying from May 7 to May 20.
The cheapest Delta flight from Chicago to Buenos Aires is $909, flying from Jun 4 to Jun 17.
The cheapest United flight from Chicago to Buenos Aires is $1,005, flying from May 7 to May 20.
The cheapest COPA flight from Chicago to Buenos Aires is $897, flying from Jun 4 to Jun 17.
The cheapest Avianca flight from Chicago to Buenos Aires is $1,092, flying from May 3 to May 16.
The cheapest Aeromexico flight from Chicago to Buenos Aires is $1,683, flying from Jul 12 to Jul 28.

The cheapest round-trip flight from Chicago to Buenos Aires starts at $897 from Thu, Jun 4 to Wed, Jun 17. The cheapest one-way flight starts at $344 and departs on Mon, Jun 1.

12 hr 50 min is the shortest flight time from Chicago to Buenos Aires.

Peak periods for visitors include the mild months of fall (Mar–May) and spring (Oct–Dec). Many locals leave the city during the hot, humid summer months of Jan–Feb for vacations, and businesses may be closed or have limited hours then. Winter (Jun–Aug) is chilly and rainy. The Tango Buenos Aires Festival (Aug) and El Día Nacional de Tango (Dec 11) celebrate the tango dancing and music with live performances and concerts.

It's easy to use Google Flights to find the cheapest days to fly from Chicago to Buenos Aires.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.

What counts as the best airline for your flights from Chicago to Buenos Aires really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Chicago to Buenos Aires.

In terms of flights, American is the most popular. American offers 242 connecting flights per week. American flies from Chicago O'Hare International Airport (ORD) to Ezeiza International Airport (EZE) .

Other popular airlines flying from Chicago to Buenos Aires are:

Delta offers 166 connecting flights per week. Delta flies from Chicago Midway International Airport (MDW) , Chicago O'Hare International Airport (ORD) to Ezeiza International Airport (EZE) .
United offers 46 connecting flights per week. United flies from Chicago O'Hare International Airport (ORD) to Ezeiza International Airport (EZE) .
COPA offers 41 connecting flights per week. COPA flies from Chicago O'Hare International Airport (ORD) to Ezeiza International Airport (EZE) .
Avianca offers 28 connecting flights per week. Avianca flies from Chicago O'Hare International Airport (ORD) to Aeroparque Internacional Jorge Newbery (AEP) , Ezeiza International Airport (EZE) .
Aeromexico offers 19 connecting flights per week. Aeromexico flies from Chicago O'Hare International Airport (ORD) to Ezeiza International Airport (EZE) .

The number of connecting flights refers to distinct flights with at least one stop between Chicago and Buenos Aires.

The cheapest round-trip flight from Chicago to Buenos Aires recently found on Google Flights was with COPA from $897. The cheapest one-way flight was with Arajet from $344.

Some of the cheapest round-trip deals we found with different airlines:

The cheapest American flight from Chicago to Buenos Aires is $1,005, flying from May 7 to May 20.
The cheapest Delta flight from Chicago to Buenos Aires is $909, flying from Jun 4 to Jun 17.
The cheapest United flight from Chicago to Buenos Aires is $1,005, flying from May 7 to May 20.
The cheapest COPA flight from Chicago to Buenos Aires is $897, flying from Jun 4 to Jun 17.
The cheapest Avianca flight from Chicago to Buenos Aires is $1,092, flying from May 3 to May 16.
The cheapest Aeromexico flight from Chicago to Buenos Aires is $1,683, flying from Jul 12 to Jul 28.

No airline flies direct from Chicago to Buenos Aires.

There are 242 American connecting flights from Chicago to Buenos Aires per week. Flights are available every day.
There are 166 Delta connecting flights from Chicago to Buenos Aires per week. Flights are available every day.
There are 46 United connecting flights from Chicago to Buenos Aires per week. Flights are available every day.
There are 41 COPA connecting flights from Chicago to Buenos Aires per week. Flights are available every day.
There are 28 Avianca connecting flights from Chicago to Buenos Aires per week. Flights are available every day.
There are 19 Aeromexico connecting flights from Chicago to Buenos Aires per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

The cheapest last-minute deal between Chicago and Buenos Aires at price $892 is offered by Delta, LATAM from Sat, May 9 to Mon, May 11.

No airline flies direct from Chicago to Buenos Aires.

There are 242 American connecting flights from Chicago to Buenos Aires per week. Flights are available every day.
There are 166 Delta connecting flights from Chicago to Buenos Aires per week. Flights are available every day.
There are 46 United connecting flights from Chicago to Buenos Aires per week. Flights are available every day.
There are 41 COPA connecting flights from Chicago to Buenos Aires per week. Flights are available every day.
There are 28 Avianca connecting flights from Chicago to Buenos Aires per week. Flights are available every day.
There are 19 Aeromexico connecting flights from Chicago to Buenos Aires per week. Flights are available every day.

Use the Stops filter while searching for flights, to see only nonstop options in your results.

There are no direct flights from Chicago to Buenos Aires.

It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Chicago to Buenos Aires, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.

The cheapest business class round-trip flights between Chicago and Buenos Aires start at $2,272 from Thu, Jun 4 to Wed, Jun 17 with Avianca.

The cheapest economy class round-trip flights between Chicago and Buenos Aires start at $897 from Thu, Jun 4 to Wed, Jun 17.

To book business class trips from Chicago to Buenos Aires, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.

The best last-minute getaway deal for the next weekend between Chicago and Buenos Aires starts at $892 from Sat, May 9 to Mon, May 11 with Delta, LATAM.

The cheapest last-minute deal between Chicago and Buenos Aires at price $892 is offered by Delta, LATAM from Sat, May 9 to Mon, May 11.

To find last-minute flight deals from Chicago to Buenos Aires, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.