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$415+ Cheap flights from Buenos Aires (BUE) 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 5/27. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — ORD
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Buenos Aires to Illinois

Cheapest flights from Buenos Aires to Illinois
Explore the most affordable flight options available from Buenos Aires to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/204:20 pmEZE - ORD
2 stops19h 27mMultiple Airlines
Tue 12/3010:20 pmORD - EZE
1 stop14h 30mMultiple Airlines
Deal found 12/16$959
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Thu 12/1810:45 pmEZE - MDW
1 stop37h 34mMultiple Airlines
Thu 12/256:12 amMDW - EZE
2 stops34h 03mMultiple Airlines
Deal found 12/15$1,151
This Avianca deal was found by Cheapflights users on 12/16. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:30 amEZE - ORD
1 stop15h 50mAvianca
Mon 1/510:20 pmORD - EZE
1 stop14h 30mAvianca
Deal found 12/16$1,152
This Kiwi.com deal was found by Cheapflights users on 12/15. 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.
Thu 12/1811:55 pmEZE - ORD
2 stops41h 58mMultiple Airlines
Thu 12/256:05 pmORD - EZE
1 stop22h 10mMultiple Airlines
Deal found 12/15$1,154
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/217:43 pmEZE - ORD
2 stops29h 16mMultiple Airlines
Tue 12/236:05 pmORD - EZE
1 stop31h 25mMultiple Airlines
Deal found 12/17$1,156
This Mytrip deal was found by Cheapflights users on 12/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/209:50 pmAEP - ORD
3 stops29h 40mMultiple Airlines
Tue 12/306:05 amORD - AEP
2 stops22h 25mMultiple Airlines
Deal found 12/16$1,184
This Copa Airlines deal was found by Cheapflights users on 12/16. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/253:41 amEZE - ORD
1 stop23h 24mCopa Airlines
Sun 1/117:35 amORD - EZE
1 stop14h 29mCopa Airlines
Deal found 12/16$1,213
This Delta deal was found by Cheapflights users on 12/17. 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 12/2611:55 pmEZE - ORD
1 stop22h 00mDelta
Sun 1/1111:05 amORD - EZE
2 stops17h 15mDelta
Deal found 12/17$1,216
This Avianca deal was found by Cheapflights users on 12/17. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:30 amEZE - ORD
1 stop15h 50mMultiple Airlines
Mon 1/56:00 amORD - EZE
2 stops16h 35mMultiple Airlines
Deal found 12/17$1,242
This Avianca deal was found by Cheapflights users on 12/17. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/187:00 amAEP - ORD
1 stop16h 20mAvianca
Mon 1/58:51 amORD - AEP
2 stops17h 49mAvianca
Deal found 12/17$1,286
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/2112:20 pmAEP - ORD
1 stop35h 00mMultiple Airlines
Tue 12/237:10 amORD - AEP
2 stops21h 20mMultiple Airlines
Deal found 12/17$1,370
This Avianca deal was found by Cheapflights users on 12/16. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:00 amAEP - ORD
1 stop16h 20mAvianca
Sun 1/118:52 amORD - AEP
2 stops17h 48mAvianca
Deal found 12/16$1,457

Find flight deals from Buenos Aires to Illinois

Keep the following information in mind while searching for Buenos Aires to Illinois flight deals. Data was last updated December 18, 2025.

Round-trip from

$739
(Kiwi.com)

One-way from

$415
(Trip.com)

Popular in

July

Cheapest in

November

Average price

$1,225
From Buenos Aires (BUE) to Illinois
Search Deals
One-way flight from Buenos Aires (BUE) to Illinois
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($97 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($32 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buenos Aires 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 December 18, 2025.
Use the filters below to find and compare flights from Buenos Aires to Illinois that are best for you.

Fly from

Buenos Aires

Fly to

Illinois

Route

Depart

Return

Price

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Thu 4/23

4:30 pm-10:08 am

2 stops19h 38m

Chicago O'Hare Intl

Tue 4/28

12:50 pm-2:30 pm

2 stops23h 40m

$837

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Wed 4/22

4:30 pm-2:55 pm

2 stops24h 25m

Chicago O'Hare Intl

Tue 4/28

12:50 pm-2:30 pm

2 stops23h 40m

$837

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Wed 4/22

4:30 pm-10:08 am

2 stops19h 38m

Chicago O'Hare Intl

Mon 4/27

8:20 pm-2:30 pm

2 stops40h 10m

$840

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Fri 5/1

3:45 pm-11:27 am

2 stops21h 42m

Chicago O'Hare Intl

Fri 5/15

6:34 pm-7:00 am

3 stops34h 26m

$842

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Sat 5/2

5:45 am-6:15 pm

3 stops38h 30m

Chicago O'Hare Intl

Sat 5/16

6:34 pm-3:40 am

3 stops31h 06m

$842

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Fri 5/1

1:30 pm-6:15 pm

3 stops30h 45m

Chicago O'Hare Intl

Fri 5/15

6:34 pm-3:40 am

3 stops31h 06m

$846

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Wed 2/11

4:45 pm-8:00 am

3 stops42h 15m

Chicago O'Hare Intl

Sun 3/22

3:35 pm-3:10 pm

2 stops21h 35m

$860

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Fri 3/20

4:45 pm-8:00 am

3 stops41h 15m

Chicago O'Hare Intl

Sun 4/19

12:50 pm-2:30 pm

3 stops23h 40m

$866

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Fri 1/30

12:10 am-8:18 am

3 stops35h 08m

Chicago O'Hare Intl

Sat 2/7

7:20 am-9:20 pm

3 stops35h 00m

$912

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Sat 1/31

9:55 pm-9:10 pm

2 stops26h 15m

Chicago O'Hare Intl

Sat 2/7

6:57 pm-7:57 am

2 stops34h 00m

$918

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 58 results
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Best time to book a flight from Buenos Aires to Illinois

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

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

Currently, January is the cheapest month in which you can book a flight from Buenos Aires to Illinois (average of $514). Flying from Buenos Aires to Illinois in February is currently the most expensive (average of $1,224). 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 BUE to IL?

Find hourly flight availability from Buenos Aires 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 December 18, 2025.

One of the essential ways to save on airfare from Buenos Aires to Illinois is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the morning could potentially save you up to 27% on airfare.

How much does it cost to fly round-trip from Buenos Aires to Illinois?

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 December 18, 2025.
Read reviews from past customers who have flown Delta, Copa Airlines, and American Airlines from Buenos Aires to Illinois. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Copa Airlines
7.6
Good
1,556 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,054 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Avianca
6.6
Okay
2,490 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Food

7.3

Crew

8.5

Boarding

8.1

Overall

7.9

Comfort

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Buenos Aires to Illinois. 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 Buenos Aires to Illinois?

    For as low as $979, Air Canada can have you in Illinois from Buenos Aires in 14h 42m. Airlines will cover a distance of 5472 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Buenos Aires to Illinois?

    The most popular flight routes from Buenos Aires to Illinois are Buenos Aires Ministro Pistarini - Chicago O'Hare Intl, Buenos Aires Jorge Newbery - Chicago O'Hare Intl and Buenos Aires Ministro Pistarini - Chicago Midway.

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

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

  • How can I find direct flights from Buenos Aires to Illinois?

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

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

    Yes. Cheapflights offers flight deals from Buenos Aires 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 Buenos Aires to Illinois?

    Currently, January is the cheapest month in which you can book a flight from Buenos Aires to Illinois (average of $514). Flying from Buenos Aires to Illinois in February is currently the most expensive (average of $1,224). 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 Buenos Aires 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 Buenos Aires to Illinois

Discover the top 5 airlines that operate flights from Buenos Aires 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$578Average$1,140FlexibilityNo cancel feeOn-time71%
American AirlinesCheapest$694Average$1,270FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$750Average$1,186FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$831Average$1,347FlexibilityNo cancel feeOn-time69%
DeltaCheapest$884Average$974FlexibilityNo cancel feeOn-timeN/A

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