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$390+ Cheap flights from Argentina to Illinois

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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
EZE — ORD
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
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Cheap flight deals from Argentina to Illinois

Keep the following information in mind while searching for Argentina to Illinois flight deals. Data was last updated April 17, 2025.

Round-trip from

$1,021
(LATAM Airlines)

One-way from

$390
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$1,446
From Argentina to Illinois
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One-way flight from Argentina to Illinois
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($65 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Argentina to Illinois

Cheapest flights from Argentina to Illinois
Explore the most affordable flight options available from Argentina to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2025.

This LATAM Airlines deal was found by Cheapflights users on 4/17. 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 7/17:40 amEZE - STL
2 stops18h 11mLATAM Airlines
Sun 7/135:40 pmSTL - EZE
2 stops16h 18mLATAM Airlines
Deal found 4/17$1,021
This Delta deal was found by Cheapflights users on 4/17. 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.
Fri 8/228:10 pmEZE - STL
1 stop14h 53mDelta
Sun 9/77:05 pmSTL - EZE
1 stop12h 40mDelta
Deal found 4/17$1,055
This Copa Airlines deal was found by Cheapflights users on 4/17. 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 6/172:32 pmEZE - ORD
1 stop25h 15mCopa Airlines
Tue 7/17:54 amORD - EZE
1 stop22h 00mCopa Airlines
Deal found 4/17$1,090
This Expedia deal was found by Cheapflights users on 4/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/156:40 amEZE - ORD
2 stops56h 35mAvianca
Thu 5/292:35 pmORD - EZE
2 stops37h 00mAvianca
Deal found 4/17$1,102
This Air Canada deal was found by Cheapflights users on 4/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/24:35 pmEZE - ORD
2 stops24h 15mAir Canada
Thu 10/168:25 pmORD - EZE
2 stops40h 05mAir Canada
Deal found 4/17$1,104
This United Airlines deal was found by Cheapflights users on 4/16. 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 8/59:00 pmEZE - STL
2 stops17h 27mUnited Airlines
Sat 8/169:09 amSTL - EZE
2 stops20h 51mUnited Airlines
Deal found 4/16$1,106
This American Airlines deal was found by Cheapflights users on 4/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/279:15 pmEZE - STL
2 stops21h 00mAmerican Airlines
Sun 7/612:48 pmSTL - EZE
2 stops19h 27mAmerican Airlines
Deal found 4/17$1,110
This Delta deal was found by Cheapflights users on 4/17. 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.
Tue 9/168:10 pmEZE - MDW
1 stop17h 45mDelta
Wed 10/221:05 pmMDW - EZE
1 stop18h 40mDelta
Deal found 4/17$1,125
This Delta deal was found by Cheapflights users on 4/17. 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.
Tue 9/98:10 pmEZE - ORD
1 stop14h 24mDelta
Mon 9/2911:19 amORD - EZE
2 stops16h 36mDelta
Deal found 4/17$1,125
This LATAM Airlines deal was found by Cheapflights users on 4/17. 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.
Thu 8/147:35 amEZE - ORD
2 stops18h 20mLATAM Airlines
Sat 8/306:00 amORD - EZE
2 stops22h 10mLATAM Airlines
Deal found 4/17$1,128
This LATAM Airlines deal was found by Cheapflights users on 4/16. 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.
Wed 6/118:40 amAEP - ORD
2 stops27h 29mLATAM Airlines
Fri 6/275:35 amORD - AEP
2 stops20h 30mLATAM Airlines
Deal found 4/16$1,128
This American Airlines deal was found by Cheapflights users on 4/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/178:30 pmEZE - ORD
1 stop23h 30mAmerican Airlines
Thu 6/264:59 pmORD - EZE
1 stop15h 16mAmerican Airlines
Deal found 4/17$1,140

Cheapflights Fare Finder

Customize your flight search to find flights from Argentina to Illinois 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 April 17, 2025.
Use the filters below to find and compare flights from Argentina to Illinois that are best for you.

Fly from

Argentina

Fly to

Illinois

Route

Depart

Return

Price

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Tue 7/1

7:40 am-11:51 pm

2 stops18h 11m

Lambert-St Louis

Sun 7/13

5:40 pm-11:58 am

2 stops16h 18m

$1,021

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Fri 8/22

8:10 pm-9:03 am

1 stop14h 53m

Lambert-St Louis

Sun 9/7

7:05 pm-9:45 am

1 stop12h 40m

$1,055

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Tue 6/17

2:32 pm-1:47 pm

1 stop25h 15m

Chicago O'Hare Intl

Tue 7/1

7:54 am-7:54 am

1 stop22h 00m

$1,090

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Thu 5/15

6:40 am-1:15 pm

2 stops56h 35m

Chicago O'Hare Intl

Thu 5/29

2:35 pm-5:35 am

2 stops37h 00m

$1,102

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Tue 8/5

9:00 pm-12:27 pm

2 stops17h 27m

Lambert-St Louis

Sat 8/16

9:09 am-8:00 am

2 stops20h 51m

$1,106

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Fri 6/27

9:15 pm-4:15 pm

2 stops21h 00m

Lambert-St Louis

Sun 7/6

12:48 pm-10:15 am

2 stops19h 27m

$1,110

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Wed 5/14

4:35 pm-12:55 pm

2 stops22h 20m

Chicago O'Hare Intl

Wed 5/21

2:00 pm-2:30 pm

2 stops22h 30m

$1,111

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Wed 6/11

8:40 am-10:09 am

2 stops27h 29m

Chicago O'Hare Intl

Sun 6/29

5:59 pm-5:00 pm

2 stops21h 01m

$1,128

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Tue 6/17

8:30 pm-6:00 pm

1 stop23h 30m

Chicago O'Hare Intl

Thu 6/26

4:59 pm-10:15 am

1 stop15h 16m

$1,140

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Fri 5/23

7:40 am-11:29 pm

3 stops41h 49m

Chicago O'Hare Intl

Wed 5/28

2:35 pm-3:20 pm

1 stop22h 45m

$1,145

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

Showing 1-10 of 57 results
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Best time to book a flight from Argentina to Illinois

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

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

Currently, August is the cheapest month in which you can book a flight from Argentina to Illinois (average of $245). Flying from Argentina to Illinois in March is currently the most expensive (average of $321). 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 AR to IL?

Find hourly flight availability from Argentina to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.

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

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated April 17, 2025.
To help decide which airline to fly from Argentina to Illinois, see what other customers have to say about Delta, Copa Airlines and LATAM Airlines. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,916 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,916 reviews
Delta
8.0
Very good
7,916 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Copa Airlines
7.6
Good
1,409 reviews
Delta
8.0
Very good
7,916 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
LATAM Airlines
7.5
Good
1,761 reviews
Delta
8.0
Very good
7,916 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Aeromexico
7.5
Good
1,699 reviews
Delta
8.0
Very good
7,916 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,667 reviews
Delta
8.0
Very good
7,916 reviews

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

8.0

Food

7.3

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

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

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

    To fly one-way, consider booking your trip with Avianca, which is currently one of the cheapest options available, starting at $473. Air Canada flights start at $682 while deals on Copa Airlines start at $746 one-way.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Argentina to Illinois (average of $245). Flying from Argentina to Illinois in March is currently the most expensive (average of $321). 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 Argentina to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Argentina to Illinois

Discover the top 5 airlines that operate flights from Argentina to Illinois. 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$799Average$1,100FlexibilityNo cancel feeOn-time71%
American AirlinesCheapest$928Average$1,171FlexibilityNo cancel feeOn-time71%
DeltaCheapest$969Average$1,237FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$1,007Average$1,161FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$1,084Average$1,394FlexibilityNo cancel feeOn-time69%

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