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$450+ 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 5/23. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — ORD
Apr 27 — May 41
Sun 4/27
Sun 5/4
1 adult, Economy
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Cheap 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 April 22, 2025.

Round-trip from

$970
(Delta)

One-way from

$450
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$1,446
From Buenos Aires (BUE) to Illinois
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One-way flight from Buenos Aires (BUE) 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 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 April 22, 2025.

This Delta deal was found by Cheapflights users on 4/22. 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.
Mon 8/256:15 amEZE - STL
2 stops19h 24mDelta
Wed 10/157:20 amSTL - EZE
2 stops20h 35mDelta
Deal found 4/22$970
This Avianca deal was found by Cheapflights users on 4/22. 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.
Mon 9/81:40 amEZE - ORD
1 stop13h 35mAvianca
Mon 9/292:35 pmORD - EZE
1 stop13h 10mAvianca
Deal found 4/22$983
This FlightHub deal was found by Cheapflights users on 4/22. 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.
Tue 7/17:40 amEZE - STL
2 stops18h 11mLATAM Airlines
Sun 7/133:30 pmSTL - EZE
2 stops18h 28mLATAM Airlines
Deal found 4/22$1,021
This Copa Airlines deal was found by Cheapflights users on 4/22. 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 9/92:32 pmEZE - ORD
1 stop25h 10mCopa Airlines
Mon 9/293:07 pmORD - EZE
1 stop15h 09mCopa Airlines
Deal found 4/22$1,052
This LATAM Airlines deal was found by Cheapflights users on 4/22. 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 9/98:10 pmAEP - ORD
2 stops19h 08mLATAM Airlines
Mon 9/296:00 amORD - AEP
2 stops20h 05mLATAM Airlines
Deal found 4/22$1,064
This Mytrip deal was found by Cheapflights users on 4/22. 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.
Fri 6/63:40 pmAEP - ORD
2 stops23h 35mMultiple Airlines
Fri 6/137:39 pmORD - AEP
3 stops43h 41mMultiple Airlines
Deal found 4/22$1,096
This Kiwi.com deal was found by Cheapflights users on 4/22. 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 5/118:25 amEZE - ORD
1 stop15h 35mMultiple Airlines
Wed 5/142:35 pmORD - EZE
1 stop22h 45mMultiple Airlines
Deal found 4/22$1,101
This Air Canada deal was found by Cheapflights users on 4/22. 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 5/74:35 pmEZE - ORD
2 stops19h 17mAir Canada
Wed 5/148:40 amORD - EZE
2 stops27h 50mAir Canada
Deal found 4/22$1,103
This lol.travel deal was found by Cheapflights users on 4/22. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1611:25 pmEZE - ORD
1 stop15h 27mAeromexico
Tue 10/211:55 amORD - EZE
1 stop17h 30mAeromexico
Deal found 4/22$1,106
This Delta deal was found by Cheapflights users on 4/22. 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.
Mon 8/118:10 pmEZE - MDW
1 stop17h 45mDelta
Sat 8/234:25 pmMDW - EZE
1 stop12h 20mDelta
Deal found 4/22$1,119
This Delta deal was found by Cheapflights users on 4/22. 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.
Mon 8/118:10 pmEZE - ORD
2 stops18h 28mDelta
Sat 8/2310:35 amORD - EZE
2 stops18h 10mDelta
Deal found 4/22$1,119
This LATAM Airlines deal was found by Cheapflights users on 4/22. 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.
Sun 7/612:58 pmEZE - ORD
2 stops30h 41mLATAM Airlines
Mon 7/141:31 pmORD - EZE
2 stops26h 43mLATAM Airlines
Deal found 4/22$1,128

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 April 22, 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 AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Mon 8/25

6:15 am-11:39 pm

2 stops19h 24m

Lambert-St Louis

Wed 10/15

7:20 am-5:55 am

2 stops20h 35m

$970

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Mon 9/8

1:40 am-1:15 pm

1 stop13h 35m

Chicago O'Hare Intl

Mon 9/29

2:35 pm-5:45 am

1 stop13h 10m

$983

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

3:30 pm-11:58 am

2 stops18h 28m

$1,021

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Tue 9/9

2:32 pm-1:42 pm

1 stop25h 10m

Chicago O'Hare Intl

Mon 9/29

3:07 pm-8:16 am

1 stop15h 09m

$1,052

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Tue 9/9

8:10 pm-1:18 pm

2 stops19h 08m

Chicago O'Hare Intl

Mon 9/29

6:00 am-4:05 am

2 stops20h 05m

$1,064

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Fri 6/6

3:40 pm-1:15 pm

2 stops23h 35m

Chicago O'Hare Intl

Fri 6/13

7:39 pm-5:20 pm

3 stops43h 41m

$1,096

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Sun 5/11

8:25 am-10:00 pm

1 stop15h 35m

Chicago O'Hare Intl

Wed 5/14

2:35 pm-3:20 pm

1 stop22h 45m

$1,101

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Wed 5/7

4:35 pm-9:52 am

2 stops19h 17m

Chicago O'Hare Intl

Wed 5/14

8:40 am-2:30 pm

2 stops27h 50m

$1,103

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Tue 9/16

11:25 pm-12:52 pm

1 stop15h 27m

Chicago O'Hare Intl

Tue 10/21

1:55 am-9:25 pm

1 stop17h 30m

$1,106

Buenos AiresChicago

EZE - MDW

EZEMDW

Buenos Aires Ministro Pistarini

Mon 8/11

8:10 pm-11:55 am

1 stop17h 45m

Chicago Midway

Sat 8/23

4:25 pm-6:45 am

1 stop12h 20m

$1,119

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 39 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, August is the cheapest month in which you can book a flight from Buenos Aires to Illinois (average of $245). Flying from Buenos Aires 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 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 April 22, 2025.

When flying from Buenos Aires to Illinois, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 22, 2025.
See what other customers who have flown with Delta, LATAM Airlines and Copa Airlines from Buenos Aires to Illinois have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

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
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

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
1,764 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

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
1,408 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

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
1,700 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

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
8,683 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Overall

8.0

Crew

8.5

Comfort

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 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.

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

    For one-way options, check prices for Avianca. According to our data, you can fly for as low as $456. Users have also found prices from $708 and $797 on Air Canada and Delta, respectively.

  • 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 Ministro Pistarini - Chicago Midway and Buenos Aires Jorge Newbery - Chicago O'Hare Intl.

  • 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, August is the cheapest month in which you can book a flight from Buenos Aires to Illinois (average of $245). Flying from Buenos Aires 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 Buenos Aires to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Ministro Pistarini to Miami flights
Jorge Newbery to Miami flights
Ministro Pistarini to John F Kennedy Intl flights
Ministro Pistarini to Newark flights
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Cordoba to Miami flights
Ministro Pistarini to Orlando flights
Jorge Newbery to Los Angeles flights
Jorge Newbery to Orlando flights
Ministro Pistarini to O'Hare Intl flights
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Rosario to Miami flights
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Ministro Pistarini to San Francisco flights
Ministro Pistarini to Reagan-National flights
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Ministro Pistarini to Baltimore flights
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Cordoba to John F Kennedy Intl flights
Ministro Pistarini to Seattle flights
Ministro Pistarini to Ontario flights
Ministro Pistarini to Las Vegas flights
Ministro Pistarini to George Bush Intcntl flights
Jorge Newbery to Dulles Intl flights
Jorge Newbery to San Francisco flights
Cordoba to Los Angeles flights
Ministro Pistarini to Boston flights
Ministro Pistarini to Denver flights
Ministro Pistarini to Dallas/Fort Worth flights
Cordoba to Newark flights
Ministro Pistarini to Honolulu flights
Jorge Newbery to Seattle flights
Cordoba to Fort Lauderdale flights
Cordoba to LaGuardia flights
Ministro Pistarini to Austin flights

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 April 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$799Average$1,100FlexibilityNo cancel feeOn-time71%
American AirlinesCheapest$928Average$1,165FlexibilityNo cancel feeOn-time71%
DeltaCheapest$969Average$1,241FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$1,007Average$1,153FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$1,084Average$1,394FlexibilityNo cancel feeOn-time69%

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