Argentina

$305+ 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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — EZE
Mar 4 — Mar 111
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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 February 2, 2026.

This LATAM Airlines deal was found by Cheapflights users on 1/31. 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.
Tue 2/2410:49 am
MDW
-
MDZ
2 stops29h 16m
LATAM Airlines
Thu 2/267:50 am
MDZ
-
MDW
2 stops17h 41m
LATAM Airlines
Deal found 1/31$683
This LATAM Airlines deal was found by Cheapflights users on 2/1. 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.
Tue 2/246:45 am
ORD
-
MDZ
2 stops33h 20m
LATAM Airlines
Thu 2/267:50 am
MDZ
-
ORD
2 stops19h 06m
LATAM Airlines
Deal found 2/1$683
This Mytrip deal was found by Cheapflights users on 2/1. 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 3/185:05 am
ORD
-
MDZ
3 stops33h 10m
Multiple Airlines
Wed 3/259:00 pm
MDZ
-
ORD
2 stops26h 20m
Multiple Airlines
Deal found 2/1$811
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 3/236:45 am
ORD
-
COR
1 stop13h 39m
Multiple Airlines
Mon 3/305:43 am
COR
-
ORD
2 stops30h 07m
Multiple Airlines
Deal found 1/31$818
This Kiwi.com deal was found by Cheapflights users on 1/31. 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 3/236:45 am
ORD
-
COR
1 stop13h 39m
Multiple Airlines
Mon 3/3012:40 am
COR
-
ORD
2 stops35h 10m
Multiple Airlines
Deal found 1/31$849
This Mytrip deal was found by Cheapflights users on 2/1. 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 3/97:00 am
ORD
-
MDZ
3 stops29h 05m
Multiple Airlines
Fri 3/136:30 pm
MDZ
-
ORD
2 stops28h 50m
Multiple Airlines
Deal found 2/1$880
This United Airlines deal was found by Cheapflights users on 2/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/54:00 pm
ORD
-
EZE
1 stop14h 00m
United Airlines
Wed 5/139:00 pm
EZE
-
ORD
1 stop28h 15m
United Airlines
Deal found 2/1$908
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Sat 3/213:22 pm
ORD
-
EZE
1 stop31h 40m
Copa Airlines
Mon 3/302:52 pm
EZE
-
ORD
1 stop24h 54m
Copa Airlines
Deal found 2/1$909
This Kiwi.com deal was found by Cheapflights users on 2/1. 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.
Fri 2/2710:48 am
ORD
-
EZE
1 stop14h 42m
Multiple Airlines
Sat 3/75:35 am
EZE
-
ORD
2 stops18h 38m
Multiple Airlines
Deal found 2/1$910
This Mytrip deal was found by Cheapflights users on 1/31. 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 2/59:23 am
ORD
-
EZE
1 stop23h 12m
Multiple Airlines
Sat 2/215:25 am
EZE
-
ORD
3 stops29h 29m
Multiple Airlines
Deal found 1/31$912
This FlightHub deal was found by Cheapflights users on 2/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/1910:45 am
MDW
-
EZE
2 stops20h 50m
LATAM Airlines
Sun 3/2212:00 pm
EZE
-
MDW
2 stops31h 22m
LATAM Airlines
Deal found 2/1$914
This FlightHub deal was found by Cheapflights users on 2/1. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/195:30 am
ORD
-
EZE
2 stops26h 05m
LATAM Airlines
Sun 3/2212:00 pm
EZE
-
ORD
2 stops32h 49m
LATAM Airlines
Deal found 2/1$914

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 February 2, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$683
(LATAM Airlines)

One-way from

$305
(Kiwi.com)

Popular in

May

Cheapest in

November

Average price

$1,106
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. 6% potential increase in price ($75 potential increase over avg. RT price).
Cheapest flight prices on average. 0% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in February 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 February 2, 2026.
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

ChicagoMendoza

MDW - MDZ

MDWMDZ

Chicago Midway

Tue 2/24

10:49 am-7:05 pm

2 stops29h 16m

Mendoza El Plumerillo

Thu 2/26

7:50 am-10:31 pm

2 stops17h 41m

$683

ChicagoMendoza

ORD - MDZ

ORDMDZ

Chicago O'Hare Intl

Tue 2/24

6:45 am-7:05 pm

2 stops33h 20m

Mendoza El Plumerillo

Thu 2/26

7:50 am-11:56 pm

2 stops19h 06m

$683

ChicagoMendoza

ORD - MDZ

ORDMDZ

Chicago O'Hare Intl

Wed 3/18

7:17 am-4:15 pm

3 stops30h 58m

Mendoza El Plumerillo

Wed 3/25

10:20 am-6:31 pm

3 stops34h 11m

$843

ChicagoMendoza

ORD - MDZ

ORDMDZ

Chicago O'Hare Intl

Mon 3/9

7:00 am-2:05 pm

3 stops29h 05m

Mendoza El Plumerillo

Fri 3/13

6:30 pm-9:20 pm

2 stops28h 50m

$880

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 5/4

10:30 am-8:00 am

1 stop19h 30m

Buenos Aires Ministro Pistarini

Wed 5/13

9:00 pm-1:27 am

1 stop30h 27m

$908

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Tue 5/5

5:10 am-9:45 am

1 stop26h 35m

Buenos Aires Ministro Pistarini

Wed 5/13

8:10 pm-1:01 pm

2 stops18h 51m

$908

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Sun 5/3

10:45 pm-8:00 am

1 stop31h 15m

Buenos Aires Ministro Pistarini

Thu 5/14

9:00 pm-1:27 am

1 stop30h 27m

$908

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 5/4

1:36 pm-9:45 am

2 stops18h 09m

Buenos Aires Ministro Pistarini

Wed 5/13

8:10 pm-8:32 am

1 stop14h 22m

$908

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Tue 5/5

2:10 pm-8:00 am

1 stop15h 50m

Buenos Aires Ministro Pistarini

Thu 5/14

9:00 pm-1:27 am

1 stop30h 27m

$908

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Sun 5/3

9:36 pm-8:00 am

1 stop32h 24m

Buenos Aires Ministro Pistarini

Wed 5/13

9:00 pm-11:15 pm

1 stop28h 15m

$908

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

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, October is the cheapest month in which you can book a flight from Illinois to Argentina (average of $381). Flying from Illinois 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.

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 19h 30m. 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, October is the cheapest month in which you can book a flight from Illinois to Argentina (average of $381). Flying from Illinois 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 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 February 2, 2026.
AirlineCheapestAverageFlexibilityOn-time
ArajetCheapest$360Average$878FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$569Average$1,135FlexibilityNo cancel feeOn-time70%
AviancaCheapest$726Average$990FlexibilityNo cancel feeOn-time71%
DeltaCheapest$951Average$1,239FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$951Average$1,167FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,015Average$1,260FlexibilityNo cancel feeOn-time71%
LATAM AirlinesCheapest$1,165Average$1,255FlexibilityNo cancel feeOn-time81%

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