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$474+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
EZE — ORD
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Round-trip from

$1,020
(FlightHub)

One-way from

$474
(Avianca)

Popular in

July

Cheapest in

October

Average price

$1,241
From Argentina to Illinois
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One-way flight from Argentina to Illinois
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($70 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This FlightHub deal was found by Cheapflights users on 4/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/303:55 amEZE - STL
2 stops21h 41mLATAM Airlines
Sun 7/135:23 pmSTL - EZE
2 stops16h 35mLATAM Airlines
Deal found 4/30$1,020
This Delta deal was found by Cheapflights users on 4/30. 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 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 4/30$1,055
This Expedia deal was found by Cheapflights users on 4/30. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/146:40 amEZE - ORD
2 stops32h 35mAvianca
Sat 6/215:25 pmORD - EZE
2 stops30h 00mAvianca
Deal found 4/30$1,105
This Air Canada deal was found by Cheapflights users on 4/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/294:00 pmEZE - ORD
3 stops24h 45mAir Canada
Sat 11/2911:20 amORD - EZE
3 stops25h 05mAir Canada
Deal found 4/30$1,111
This LATAM Airlines deal was found by Cheapflights users on 4/30. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/296:10 pmAEP - ORD
2 stops20h 42mLATAM Airlines
Sat 11/293:35 pmORD - AEP
2 stops21h 25mLATAM Airlines
Deal found 4/30$1,118
This Mytrip deal was found by Cheapflights users on 4/30. 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.
Sat 6/1410:20 amAEP - ORD
3 stops39h 25mMultiple Airlines
Sat 6/212:35 pmORD - AEP
2 stops25h 25mMultiple Airlines
Deal found 4/30$1,120
This Delta deal was found by Cheapflights users on 4/30. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/168:10 pmEZE - MDW
1 stop15h 41mDelta
Wed 10/221:00 pmMDW - EZE
2 stops18h 45mDelta
Deal found 4/30$1,125
This Delta deal was found by Cheapflights users on 4/29. 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 8/288:10 pmEZE - ORD
2 stops24h 30mDelta
Thu 9/2511:19 amORD - EZE
2 stops16h 36mDelta
Deal found 4/29$1,125
This LATAM Airlines deal was found by Cheapflights users on 4/30. 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 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 8/3011:19 amORD - EZE
2 stops16h 51mLATAM Airlines
Deal found 4/30$1,128
This Justfly.com deal was found by Cheapflights users on 4/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/283:45 amEZE - MDW
2 stops32h 06mLATAM Airlines
Sat 11/2910:35 amMDW - EZE
2 stops29h 10mLATAM Airlines
Deal found 4/30$1,131
This American Airlines deal was found by Cheapflights users on 4/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/98:30 pmEZE - ORD
2 stops19h 05mAmerican Airlines
Mon 9/293:33 pmORD - EZE
2 stops15h 27mAmerican Airlines
Deal found 4/30$1,140
This Mytrip deal was found by Cheapflights users on 4/30. 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 8/245:09 pmEZE - ORD
3 stops31h 38mMultiple Airlines
Thu 9/112:35 pmORD - EZE
1 stop31h 35mMultiple Airlines
Deal found 4/30$1,164

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 May 1, 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

Mon 6/30

3:55 am-11:36 pm

2 stops21h 41m

Lambert-St Louis

Sun 7/13

5:23 pm-11:58 am

2 stops16h 35m

$1,020

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

Sat 6/14

6:40 am-1:15 pm

2 stops32h 35m

Chicago O'Hare Intl

Sat 6/21

5:25 pm-1:25 am

2 stops30h 00m

$1,105

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Sat 6/14

10:20 am-11:45 pm

3 stops39h 25m

Chicago O'Hare Intl

Sat 6/21

2:35 pm-6:00 pm

2 stops25h 25m

$1,120

Buenos AiresChicago

EZE - MDW

EZEMDW

Buenos Aires Ministro Pistarini

Tue 9/16

8:10 pm-9:51 am

1 stop15h 41m

Chicago Midway

Wed 10/22

1:00 pm-9:45 am

2 stops18h 45m

$1,125

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Thu 8/28

8:10 pm-6:40 pm

2 stops24h 30m

Chicago O'Hare Intl

Thu 9/25

11:19 am-5:55 am

2 stops16h 36m

$1,125

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Sat 5/24

4:35 pm-6:21 pm

3 stops27h 46m

Chicago O'Hare Intl

Sat 6/7

5:58 pm-2:30 pm

3 stops42h 32m

$1,127

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Thu 8/14

7:35 am-11:55 pm

2 stops18h 20m

Chicago O'Hare Intl

Sat 8/30

11:19 am-6:10 am

2 stops16h 51m

$1,128

Buenos AiresChicago

EZE - MDW

EZEMDW

Buenos Aires Ministro Pistarini

Tue 10/28

3:45 am-9:51 am

2 stops32h 06m

Chicago Midway

Sat 11/29

10:35 am-6:45 pm

2 stops29h 10m

$1,131

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Tue 9/9

8:30 pm-1:35 pm

2 stops19h 05m

Chicago O'Hare Intl

Mon 9/29

3:33 pm-9:00 am

2 stops15h 27m

$1,140

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 50 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 May 1, 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 May 1, 2025.
To help decide which airline to fly from Argentina to Illinois, see what other customers have to say about Delta, LATAM Airlines and Copa 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
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

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
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

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
1,767 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

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
7.5
Good
1,414 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

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
1,698 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

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
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Entertainment

7.9

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 $474. GOL flights start at $576 while deals on Air Canada start at $646 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

Browse thousands of different options on Cheapflights for your next trip

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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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$799Average$1,236FlexibilityNo cancel feeOn-time71%
American AirlinesCheapest$928Average$1,194FlexibilityNo cancel feeOn-time71%
DeltaCheapest$969Average$1,237FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$1,007Average$1,153FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$1,084Average$1,411FlexibilityNo cancel feeOn-time69%

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