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$323+ Cheap flights from Chicago (CHI) to Argentina

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/13. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — EZE
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find flight deals from Chicago to Argentina

Cheapest flights from Chicago to Argentina
Explore the most affordable flight options available from Chicago to Argentina. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Copa Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/186:56 amORD - COR
1 stop14h 25mCopa Airlines
Sat 11/225:37 amCOR - ORD
1 stop21h 28mCopa Airlines
Deal found 10/29$718
This Gotogate deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/142:07 pmORD - COR
1 stop33h 46mCopa Airlines
Mon 11/173:54 amCOR - ORD
1 stop23h 11mCopa Airlines
Deal found 10/29$736
This Copa Airlines deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/37:33 amORD - COR
1 stop15h 55mCopa Airlines
Sun 12/75:37 amCOR - ORD
1 stop21h 28mCopa Airlines
Deal found 10/29$766
This Delta deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/208:02 pmORD - EZE
1 stop33h 58mDelta
Mon 12/18:55 pmEZE - ORD
1 stop14h 44mDelta
Deal found 10/29$768
This Mytrip deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/276:48 amORD - AEP
3 stops35h 12mMultiple Airlines
Thu 12/49:30 pmAEP - ORD
3 stops24h 06mMultiple Airlines
Deal found 10/30$768
This Copa Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/286:56 amORD - EZE
1 stop14h 57mCopa Airlines
Fri 12/53:41 amEZE - ORD
1 stop23h 24mCopa Airlines
Deal found 10/30$769
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/195:10 amORD - AEP
3 stops23h 45mMultiple Airlines
Thu 12/49:30 pmAEP - ORD
3 stops24h 06mMultiple Airlines
Deal found 10/29$770
This Mytrip deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/910:20 pmORD - EZE
1 stop14h 30mMultiple Airlines
Wed 12/102:40 amEZE - ORD
2 stops24h 19mMultiple Airlines
Deal found 10/28$772
This Mytrip deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/165:10 amORD - EZE
3 stops21h 00mMultiple Airlines
Sat 11/222:40 amEZE - ORD
3 stops47h 26mMultiple Airlines
Deal found 10/30$776
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/195:10 amORD - EZE
3 stops21h 00mMultiple Airlines
Thu 12/47:43 pmEZE - ORD
3 stops25h 53mMultiple Airlines
Deal found 10/29$778
This Mytrip deal was found by Cheapflights users on 10/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2910:27 amORD - EZE
1 stop14h 18mMultiple Airlines
Sun 12/148:55 amEZE - ORD
3 stops36h 41mMultiple Airlines
Deal found 10/29$782
This Mytrip deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1710:20 pmORD - EZE
1 stop23h 15mMultiple Airlines
Sun 11/232:40 amEZE - ORD
3 stops47h 26mMultiple Airlines
Deal found 10/30$783

Cheap flight deals from Chicago to Argentina

Keep the following information in mind while searching for Chicago to Argentina flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$718
(Copa Airlines)

One-way from

$323
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$993
Provider with most accurate pricing for Chicago (CHI)-Buenos Aires (BUE) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Buenos Aires (BUE) flights.
Search Deals
From Chicago (CHI) to Argentina
Search Deals
One-way flight from Chicago (CHI) to Argentina
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago to Argentina that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
Use the filters below to find and compare flights from Chicago to Argentina that are best for you.

Fly from

Chicago

Fly to

Argentina

Route

Depart

Return

Price

ChicagoCordoba

ORD - COR

ORDCOR

Chicago O'Hare Intl

Tue 11/18

6:56 am-12:21 am

1 stop14h 25m

Cordoba Pajas Blancas

Sat 11/22

5:37 am-12:05 am

1 stop21h 28m

$718

ChicagoCordoba

ORD - COR

ORDCOR

Chicago O'Hare Intl

Fri 11/14

2:07 pm-2:53 am

1 stop33h 46m

Cordoba Pajas Blancas

Mon 11/17

3:54 am-12:05 am

1 stop23h 11m

$736

ChicagoCordoba

ORD - COR

ORDCOR

Chicago O'Hare Intl

Wed 12/3

2:07 pm-2:53 am

1 stop33h 46m

Cordoba Pajas Blancas

Sun 12/7

5:37 am-12:05 am

1 stop21h 28m

$766

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Fri 11/28

6:56 am-12:53 am

1 stop14h 57m

Buenos Aires Ministro Pistarini

Fri 12/5

3:41 am-12:05 am

1 stop23h 24m

$769

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Thu 11/13

6:56 am-12:53 am

1 stop14h 57m

Buenos Aires Ministro Pistarini

Tue 12/2

12:07 am-12:52 pm

1 stop15h 45m

$769

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 11/10

6:56 am-4:10 am

1 stop18h 14m

Buenos Aires Ministro Pistarini

Wed 11/12

12:08 am-12:46 pm

1 stop15h 38m

$769

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Wed 12/24

8:05 pm-7:20 am

1 stop32h 15m

Buenos Aires Ministro Pistarini

Sat 12/27

11:55 pm-9:17 am

1 stop36h 22m

$778

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Wed 12/3

6:45 am-7:55 am

2 stops22h 10m

Buenos Aires Jorge Newbery

Tue 12/9

2:55 pm-12:43 pm

2 stops24h 48m

$791

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Thu 12/4

2:16 pm-12:50 pm

2 stops19h 34m

Buenos Aires Ministro Pistarini

Fri 12/12

3:30 am-10:30 pm

2 stops22h 00m

$806

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Sun 12/28

9:50 am-11:45 am

3 stops22h 55m

Buenos Aires Jorge Newbery

Wed 1/7

6:20 pm-10:34 am

2 stops19h 14m

$811

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 60 results
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Best time to book a flight from Chicago to Argentina

Have a flexible travel schedule? Discover the best time to fly to Argentina from Chicago with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago to Argentina

What is the cheapest month to book a flight from Chicago to Argentina?

Currently, October is the cheapest month in which you can book a flight from Chicago to Argentina (average of $380). Flying from Chicago to Argentina in June is currently the most expensive (average of $1,144). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CHI to AR?

Find hourly flight availability from Chicago to Argentina. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

When flying from Chicago to Argentina, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 53% versus a flight in the morning.

What is the cheapest day to fly from Chicago to Argentina?

Use this chart to determine the cheapest time to fly round-trip from Chicago to Argentina. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Chicago to Argentina flight should consider departing on Sunday evenings when fares are most often at their lowest. Thursday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Argentina

Get insights into the airlines that provide service to Argentina. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Argentina. Reviews last updated October 30, 2025.
Peruse reviews from past customers who have flown with Delta, Copa Airlines, and United Airlines from Chicago to Argentina to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Copa Airlines
7.6
Good
1,561 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,996 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,034 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Avianca
6.6
Okay
2,467 reviews
Delta
7.9
Good
7,998 reviews

Overall

7.9

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Chicago to Argentina. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Chicago to Argentina?

    A quick flight from Chicago to Argentina can take about 14h 25m. Copa Airlines provides one of the quickest options available for as low as $718. The distance from Chicago to Argentina is about 5281 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Chicago to Argentina one-way?

    $331 is the cheapest one-way deal found within the past few days, from Avianca. You may also be able to find cheap deals on Delta and LATAM Airlines, with prices starting from $708 and $756, respectively.

  • What are the most popular routes from Chicago to Argentina?

    The most popular flight routes from Chicago to Argentina are Chicago O'Hare Intl - Buenos Aires Ministro Pistarini, Chicago O'Hare Intl - Buenos Aires Jorge Newbery and Chicago Midway - Buenos Aires Ministro Pistarini.

  • Can I find deals for flights from Chicago to Argentina that include hotel bookings?

    Yes. In addition to deals on Chicago to Argentina flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to Argentina?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chicago to Argentina.

  • Can I find deals for business class flights from Chicago to Argentina?

    Yes. Cheapflights offers flight deals from Chicago to Argentina by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago to Argentina?

    Currently, October is the cheapest month in which you can book a flight from Chicago to Argentina (average of $380). Flying from Chicago to Argentina in June is currently the most expensive (average of $1,144). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Chicago to Argentina

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Chicago to Argentina

Discover the top 7 airlines that operate flights from Chicago to Argentina. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
ArajetCheapest$360Average$884FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$670Average$1,394FlexibilityNo cancel feeOn-time70%
AviancaCheapest$750Average$1,146FlexibilityNo cancel feeOn-time71%
DeltaCheapest$951Average$1,197FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$975Average$1,173FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,015Average$1,248FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$1,186Average$1,265FlexibilityNo cancel feeOn-time81%

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