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Argentina

$322+ Cheap flights from Illinois 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 12/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — EZE
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Illinois to Argentina

Keep the following information in mind while searching for Illinois to Argentina flight deals. Data was last updated September 15, 2025.

Round-trip from

$717
(Copa Airlines)

One-way from

$322
(Kiwi.com)

Popular in

December

Cheapest in

July

Average price

$1,032
From Illinois to Argentina
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One-way flight from Illinois to Argentina
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Highest demand for flights based on searches. 6% potential increase in price ($74 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Illinois to Argentina

Cheapest flights from Illinois to Argentina
Explore the most affordable flight options available from Illinois to Argentina. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Copa Airlines deal was found by Cheapflights users on 9/15. 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.
Mon 10/137:59 amORD - COR
1 stop16h 54mCopa Airlines
Sun 10/193:57 amCOR - ORD
1 stop22h 24mCopa Airlines
Deal found 9/15$717
This Priceline deal was found by Cheapflights users on 9/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/810:20 pmORD - EZE
1 stop23h 15mAvianca
Sun 11/237:35 amEZE - ORD
1 stop15h 45mAvianca
Deal found 9/15$718
This Copa Airlines deal was found by Cheapflights users on 9/15. 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 11/196:56 amORD - EZE
1 stop14h 57mCopa Airlines
Sun 11/232:32 pmEZE - ORD
1 stop25h 14mCopa Airlines
Deal found 9/15$748
This Copa Airlines deal was found by Cheapflights users on 9/15. 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.
Mon 9/228:02 amORD - EZE
1 stop18h 11mCopa Airlines
Mon 9/295:08 amEZE - ORD
1 stop21h 13mCopa Airlines
Deal found 9/15$768
This Copa Airlines deal was found by Cheapflights users on 9/15. 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 11/76:56 amORD - EZE
1 stop18h 14mCopa Airlines
Fri 11/2112:08 amEZE - ORD
1 stop15h 38mCopa Airlines
Deal found 9/15$788
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/184:35 amORD - EZE
1 stop16h 30mMultiple Airlines
Sun 11/237:35 amEZE - ORD
1 stop15h 45mMultiple Airlines
Deal found 9/15$795
This Mytrip deal was found by Cheapflights users on 9/15. 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 11/85:59 pmORD - EZE
2 stops30h 46mMultiple Airlines
Sun 11/237:35 amEZE - ORD
1 stop15h 45mMultiple Airlines
Deal found 9/15$796
This Mytrip deal was found by Cheapflights users on 9/15. 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 11/88:50 pmORD - AEP
3 stops31h 40mMultiple Airlines
Sat 11/154:50 amAEP - ORD
2 stops34h 40mMultiple Airlines
Deal found 9/15$803
This Orbitz deal was found by Cheapflights users on 9/15. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/810:20 pmORD - AEP
1 stop28h 20mAvianca
Sun 11/167:00 amAEP - ORD
1 stop16h 20mAvianca
Deal found 9/15$807
This Mytrip deal was found by Cheapflights users on 9/15. 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 10/1310:27 amORD - AEP
2 stops19h 53mMultiple Airlines
Mon 10/2010:15 amAEP - ORD
2 stops29h 00mMultiple Airlines
Deal found 9/15$817
This Mytrip deal was found by Cheapflights users on 9/15. 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 11/195:05 amORD - EZE
3 stops21h 50mMultiple Airlines
Wed 12/37:35 amEZE - ORD
1 stop15h 45mMultiple Airlines
Deal found 9/15$818
This Booking.com deal was found by Cheapflights users on 9/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1110:20 pmORD - BRC
2 stops32h 40mMultiple Airlines
Tue 11/184:05 pmBRC - ORD
2 stops31h 15mMultiple Airlines
Deal found 9/14$824

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois 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 September 15, 2025.
Use the filters below to find and compare flights from Illinois to Argentina that are best for you.

Fly from

Illinois

Fly to

Argentina

Route

Depart

Return

Price

ChicagoCordoba

ORD - COR

ORDCOR

Chicago O'Hare Intl

Mon 10/13

7:59 am-2:53 am

1 stop16h 54m

Cordoba Pajas Blancas

Sun 10/19

3:57 am-12:21 am

1 stop22h 24m

$717

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Wed 11/19

6:56 am-12:53 am

1 stop14h 57m

Buenos Aires Ministro Pistarini

Sat 11/22

3:57 am-12:05 am

1 stop23h 08m

$748

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Fri 11/14

6:56 am-1:00 am

1 stop15h 04m

Buenos Aires Ministro Pistarini

Sun 11/30

3:41 am-12:05 am

1 stop23h 24m

$768

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Sat 11/15

6:56 am-12:53 am

1 stop14h 57m

Buenos Aires Ministro Pistarini

Sun 11/30

2:32 pm-12:52 pm

1 stop25h 20m

$768

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Sat 11/8

10:20 pm-5:40 am

1 stop28h 20m

Buenos Aires Jorge Newbery

Sun 11/23

7:00 am-8:20 pm

1 stop16h 20m

$807

ChicagoSan Carlos de Bariloche

ORD - BRC

ORDBRC

Chicago O'Hare Intl

Tue 11/11

10:20 pm-12:30 pm

2 stops35h 10m

San Carlos de Bariloche Teniente Luis Candelaria

Tue 11/18

6:30 pm-8:20 pm

2 stops52h 50m

$824

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Sat 11/8

8:50 pm-7:30 am

3 stops31h 40m

Buenos Aires Jorge Newbery

Sat 11/22

12:05 am-8:20 pm

2 stops23h 15m

$909

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Wed 11/19

6:56 am-12:53 am

1 stop14h 57m

Buenos Aires Ministro Pistarini

Fri 11/28

3:57 am-12:05 am

1 stop23h 08m

$916

ChicagoCordoba

ORD - COR

ORDCOR

Chicago O'Hare Intl

Wed 10/29

7:59 am-12:19 am

1 stop14h 20m

Cordoba Pajas Blancas

Wed 11/5

5:37 am-12:05 am

1 stop21h 28m

$925

ChicagoCordoba

ORD - COR

ORDCOR

Chicago O'Hare Intl

Wed 10/29

5:05 am-6:20 am

2 stops23h 15m

Cordoba Pajas Blancas

Wed 11/5

10:35 am-12:30 pm

3 stops28h 55m

$935

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

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

Have a flexible travel schedule? Discover the best time to fly to Argentina from Illinois 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 Illinois to Argentina

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

Currently, April is the cheapest month in which you can book a flight from Illinois to Argentina (average of $795). Flying from Illinois to Argentina in December is currently the most expensive (average of $1,260). 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 IL to AR?

Find hourly flight availability from Illinois 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 September 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Argentina as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Illinois 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 Illinois to Argentina?

    Departing from Illinois to Argentina will take you 16h 30m. Airlines will cover a distance of 5603 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois 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 Illinois to Argentina?

    Currently, April is the cheapest month in which you can book a flight from Illinois to Argentina (average of $795). Flying from Illinois to Argentina in December is currently the most expensive (average of $1,260). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Illinois 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 Illinois to Argentina

Discover the top 7 airlines that operate flights from Illinois 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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$670Average$1,395FlexibilityNo cancel feeOn-time70%
ArajetCheapest$736Average$884FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$753Average$1,160FlexibilityNo cancel feeOn-time71%
American AirlinesCheapest$1,015Average$1,245FlexibilityNo cancel feeOn-time71%
DeltaCheapest$1,023Average$1,293FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,094Average$1,217FlexibilityNo cancel feeOn-time69%
LATAM AirlinesCheapest$1,165Average$1,255FlexibilityNo cancel feeOn-time81%

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