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Argentina

$282+ 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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — EZE
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$850
(Trip.com)

One-way from

$282
(Avianca)

Popular in

December

Cheapest in

September

Average price

$1,095
Provider with most accurate pricing for Chicago (CHI)-Buenos Aires (BUE) flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Buenos Aires (BUE) flights.
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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. 8% potential increase in price ($112 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($36 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 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 May 1, 2025.

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.
Sun 7/62:35 pmORD - EZE
1 stop31h 35mAvianca
Sat 7/196:40 amEZE - ORD
2 stops32h 35mAvianca
Deal found 4/30$881
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/276:59 pmORD - EZE
2 stops25h 12mMultiple Airlines
Wed 6/44:25 amEZE - ORD
1 stop19h 40mMultiple Airlines
Deal found 4/30$888
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.
Tue 6/105:25 pmORD - AEP
3 stops33h 15mMultiple Airlines
Mon 6/2312:05 amAEP - ORD
2 stops26h 29mMultiple Airlines
Deal found 4/30$896
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 5/73:35 pmORD - EZE
2 stops20h 55mAir Canada
Wed 6/44:35 pmEZE - ORD
2 stops24h 12mAir Canada
Deal found 4/30$906
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/157:54 amORD - EZE
1 stop14h 53mCopa Airlines
Sat 5/3112:06 amEZE - ORD
1 stop15h 41mCopa Airlines
Deal found 4/30$926
This Avianca 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/39:17 amSTL - EZE
2 stops18h 28mMultiple Airlines
Thu 9/44:45 pmEZE - STL
2 stops19h 17mMultiple Airlines
Deal found 4/29$926
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/105:25 pmORD - AEP
2 stops34h 15mAvianca
Thu 8/147:00 amAEP - ORD
3 stops33h 25mAvianca
Deal found 4/29$975
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/262:35 pmORD - MDZ
2 stops27h 35mMultiple Airlines
Sat 5/319:00 pmMDZ - ORD
2 stops18h 15mMultiple Airlines
Deal found 4/29$995
This Copa 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/61:07 amORD - MDZ
1 stop21h 09mCopa Airlines
Fri 8/151:17 amMDZ - ORD
1 stop24h 35mCopa Airlines
Deal found 4/30$1,013
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 11/123:40 pmMDW - EZE
2 stops24h 05mLATAM Airlines
Tue 11/257:35 amEZE - MDW
2 stops17h 09mLATAM Airlines
Deal found 4/30$1,025
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.
Wed 9/106:00 amORD - EZE
2 stops21h 55mDelta
Tue 9/237:40 amEZE - ORD
2 stops18h 13mDelta
Deal found 4/30$1,025
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 11/123:40 pmMDW - AEP
2 stops21h 20mLATAM Airlines
Wed 11/263:40 pmAEP - MDW
2 stops21h 11mLATAM Airlines
Deal found 4/30$1,025

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 May 1, 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

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Sun 7/6

2:35 pm-12:10 am

1 stop31h 35m

Buenos Aires Ministro Pistarini

Sat 7/19

6:40 am-1:15 pm

2 stops32h 35m

$881

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Tue 5/27

6:59 pm-10:11 pm

2 stops25h 12m

Buenos Aires Ministro Pistarini

Wed 6/4

4:25 am-10:05 pm

1 stop19h 40m

$888

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Tue 6/10

5:25 pm-4:40 am

3 stops33h 15m

Buenos Aires Jorge Newbery

Mon 6/23

12:05 am-12:34 am

2 stops26h 29m

$896

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Tue 9/9

8:40 am-2:30 pm

2 stops27h 50m

Buenos Aires Ministro Pistarini

Sat 9/27

4:35 pm-9:51 am

2 stops19h 16m

$911

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Thu 5/15

7:54 am-12:47 am

1 stop14h 53m

Buenos Aires Ministro Pistarini

Sat 5/31

12:06 am-1:47 pm

1 stop15h 41m

$926

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Wed 9/3

9:17 am-5:45 am

2 stops18h 28m

Buenos Aires Ministro Pistarini

Thu 9/4

4:45 pm-10:02 am

2 stops19h 17m

$926

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Thu 7/10

5:25 pm-5:40 am

2 stops34h 15m

Buenos Aires Jorge Newbery

Thu 8/14

7:00 am-2:25 pm

3 stops33h 25m

$975

ChicagoMendoza

ORD - MDZ

ORDMDZ

Chicago O'Hare Intl

Mon 5/26

2:35 pm-8:10 pm

2 stops27h 35m

Mendoza El Plumerillo

Sat 5/31

9:00 pm-1:15 pm

2 stops18h 15m

$995

ChicagoMendoza

ORD - MDZ

ORDMDZ

Chicago O'Hare Intl

Wed 8/6

1:07 am-12:16 am

1 stop21h 09m

Mendoza El Plumerillo

Fri 8/15

1:17 am-11:52 pm

1 stop24h 35m

$1,013

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Wed 9/10

6:00 am-5:55 am

2 stops21h 55m

Buenos Aires Ministro Pistarini

Tue 9/23

7:40 am-11:53 pm

2 stops18h 13m

$1,025

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 48 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 May 1, 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.

Rainfall in Argentina by month

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

In terms of precipitation, rainfall in Argentina ranges from 2.0 - 3.9 inches per month. January is typically the wettest month, when rainfall can reach 3.9 in. June is typically the driest time to visit Argentina when rainfall is around 2.0 in.

Temperature in Argentina by month

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

If weather is an important factor for your trip to Argentina, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Argentina

Get insights into the airlines that provide service to Argentina. 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 Argentina. Reviews last updated May 1, 2025.
Read through reviews of airlines operating flights from Illinois to Argentina, such as Delta, LATAM Airlines and Copa Airlines. In addition to providing an overall rating, users have also rated airlines 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

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
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

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
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

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
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

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Aeromexico
7.5
Good
1,698 reviews
Delta
8.0
Very good
7,934 reviews

Overall

8.0

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
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

Entertainment

7.9

Food

7.3

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    The cheapest airline one-way is Avianca, with whom users have recently found tickets for as low as $282. However, be on the lookout for offers from GOL and Air Canada, 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, 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

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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 6 airlines flying from Illinois to Argentina

Discover the top 6 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$750Average$1,274FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$957Average$1,325FlexibilityNo cancel feeOn-time70%
DeltaCheapest$1,013Average$1,194FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,023Average$1,259FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,072Average$1,255FlexibilityNo cancel feeOn-time69%
LATAM AirlinesCheapest$1,165Average$1,265FlexibilityNo cancel feeOn-time81%

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