Argentina

$334+ 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 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — EZE
Jul 9 — Jul 161
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Cheap 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 June 9, 2026.

This Booking.com deal was found by Cheapflights users on 6/4. 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.
Mon 10/195:30 am
ORD
-
EZE
1 stop16h 35m
Arajet
Sun 10/258:40 am
EZE
-
ORD
1 stop15h 30m
Arajet
Deal found 6/4$785
This Arajet deal was found by Cheapflights users on 6/7. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:30 am
ORD
-
EZE
1 stop16h 35m
Arajet
Thu 10/297:10 am
EZE
-
ORD
1 stop18h 30m
Arajet
Deal found 6/7$808
This Arajet deal was found by Cheapflights users on 6/7. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:30 am
ORD
-
EZE
1 stop16h 35m
Arajet
Sat 10/249:15 pm
EZE
-
ORD
1 stop26h 55m
Arajet
Deal found 6/7$816
This Kiwi.com deal was found by Cheapflights users on 6/4. 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.
Mon 9/215:30 am
ORD
-
EZE
1 stop16h 35m
Arajet
Thu 10/1511:00 am
EZE
-
ORD
1 stop14h 40m
Arajet
Deal found 6/4$821
This Arajet deal was found by Cheapflights users on 6/4. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2212:12 pm
ORD
-
EZE
1 stop13h 58m
Arajet
Wed 9/22:45 am
EZE
-
ORD
1 stop22h 55m
Arajet
Deal found 6/4$823
This Arajet deal was found by Cheapflights users on 6/4. 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 Arajet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/215:30 am
ORD
-
EZE
1 stop16h 35m
Arajet
Wed 10/149:15 pm
EZE
-
ORD
1 stop28h 25m
Arajet
Deal found 6/4$824
This LATAM Airlines deal was found by Cheapflights users on 6/7. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/151:05 pm
MDW
-
EZE
1 stop15h 30m
LATAM Airlines
Wed 11/183:35 pm
EZE
-
MDW
2 stops21h 17m
LATAM Airlines
Deal found 6/7$825
This LATAM Airlines deal was found by Cheapflights users on 6/7. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/159:30 am
ORD
-
EZE
2 stops17h 35m
LATAM Airlines
Wed 11/183:35 pm
EZE
-
ORD
2 stops19h 59m
LATAM Airlines
Deal found 6/7$825
This LATAM Airlines deal was found by Cheapflights users on 6/7. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1510:35 am
MDW
-
AEP
2 stops18h 05m
LATAM Airlines
Wed 11/182:55 pm
AEP
-
MDW
2 stops21h 57m
LATAM Airlines
Deal found 6/7$825
This LATAM Airlines deal was found by Cheapflights users on 6/7. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:55 pm
ORD
-
AEP
2 stops19h 05m
LATAM Airlines
Wed 11/182:55 pm
AEP
-
ORD
2 stops22h 12m
LATAM Airlines
Deal found 6/7$825
This Booking.com deal was found by Cheapflights users on 6/5. 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.
Mon 8/175:30 am
ORD
-
EZE
1 stop16h 35m
Arajet
Sat 8/229:15 pm
EZE
-
ORD
1 stop26h 55m
Arajet
Deal found 6/5$831
This Kiwi.com deal was found by Cheapflights users on 6/6. 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.
Mon 9/215:30 am
ORD
-
EZE
1 stop16h 35m
Arajet
Fri 10/169:15 pm
EZE
-
ORD
1 stop15h 57m
Arajet
Deal found 6/6$836

Find flight deals from Illinois to Argentina

Keep the following information in mind while searching for Illinois to Argentina flight deals. Data was last updated June 9, 2026.

Most accurate provider

Ovago
3 stars

Most trusted provider

Ovago
3 stars

Round-trip from

$785
(Booking.com)

One-way from

$334
(Kiwi.com)

Popular in

September

Cheapest in

April

Average price

$985
Provider with most accurate pricing for Chicago (CHI)-Buenos Aires (BUE) flight deals.
Provider most trusted by Cheapflights users for Chicago (CHI)-Buenos Aires (BUE) flights.
From Illinois to Argentina
One-way flight from Illinois to Argentina
Highest demand for flights based on searches. 4% potential increase in price ($54 potential increase over avg. RT price).
Cheapest flight prices on average. 0% potential price decrease ($7 potential savings vs. average RT price).
Average for round-trip flights in June 2026

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 June 9, 2026.
Use the filters below to find and compare flights from Illinois to Argentina that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 9/21

5:30 am-12:05 am

1 stop16h 35m

Buenos Aires Ministro Pistarini

Wed 10/14

9:15 pm-11:40 pm

1 stop28h 25m

$824

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 8/17

5:30 am-12:05 am

1 stop16h 35m

Buenos Aires Ministro Pistarini

Wed 12/16

9:15 pm-10:40 pm

1 stop28h 25m

$856

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Fri 11/13

5:45 am-9:16 am

1 stop24h 31m

Buenos Aires Ministro Pistarini

Sun 11/22

8:40 am-9:20 pm

1 stop15h 40m

$917

ChicagoCordoba

ORD - COR

ORDCOR

Chicago O'Hare Intl

Tue 9/29

5:30 am-5:45 am

2 stops22h 15m

Cordoba Pajas Blancas

Wed 9/30

1:50 pm-5:13 pm

2 stops29h 23m

$943

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Wed 7/1

8:02 am-12:52 am

1 stop14h 50m

Buenos Aires Ministro Pistarini

Tue 7/28

12:50 am-4:00 am

1 stop29h 10m

$946

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Wed 9/9

8:01 am-4:36 am

1 stop18h 35m

Buenos Aires Ministro Pistarini

Sun 9/20

3:48 am-1:02 am

1 stop23h 14m

$946

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Tue 8/11

11:20 pm-5:40 am

1 stop28h 20m

Buenos Aires Jorge Newbery

Thu 8/27

12:50 pm-9:20 pm

2 stops34h 30m

$1,057

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Sat 9/26

12:12 pm-4:10 am

1 stop13h 58m

Buenos Aires Ministro Pistarini

Wed 10/14

9:15 pm-11:40 pm

1 stop28h 25m

$1,057

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Sun 7/26

7:35 am-8:00 am

1 stop22h 25m

Buenos Aires Ministro Pistarini

Thu 8/13

9:00 pm-11:20 am

1 stop16h 20m

$1,058

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Tue 6/30

1:40 am-5:40 am

3 stops26h 00m

Buenos Aires Jorge Newbery

Wed 7/29

12:13 pm-9:20 pm

2 stops35h 07m

$1,068

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/8

Showing 1-10 of 60 resultsSorted by cheapest first
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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, March is the cheapest month in which you can book a flight from Illinois to Argentina (average of $134). Flying from Illinois to Argentina in April is currently the most expensive (average of $746). 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.

How far ahead should I book a flight from Illinois to Argentina?

Booking 25 days in advance of your planned departure date is, on average, the best time to get cheap flights from Illinois to Argentina. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 14h 50m. Airlines will cover a distance of 5619 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $272. However, be on the lookout for offers from Arajet and Avianca, as they are both options that can get you from Illinois to Argentina for a low price.

  • 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, March is the cheapest month in which you can book a flight from Illinois to Argentina (average of $134). Flying from Illinois to Argentina in April is currently the most expensive (average of $746). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Argentina

See prices for flight routes from nearby airports that may be better suited for you.

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 June 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
ArajetCheapest$360Average$884FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$569Average$1,144FlexibilityNo cancel feeOn-time70%
LATAM AirlinesCheapest$727Average$918FlexibilityNo cancel feeOn-time81%
AviancaCheapest$795Average$999FlexibilityNo cancel feeOn-time71%
DeltaCheapest$901Average$1,496FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$951Average$1,155FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$972Average$1,286FlexibilityNo cancel feeOn-time71%

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