HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$345+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — ORD
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Buenos Aires to Illinois with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Buenos Aires to Illinois

Discover tips and strategies to find the most affordable flight options for your journey from Buenos Aires (BUE) to Illinois (USIL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Round-trip from

$795
(Mytrip)

One-way from

$446
(Priceline)
From Buenos Aires (BUE) to Illinois
Search Deals
One-way flight from Buenos Aires (BUE) to Illinois
Search Deals

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 January 21, 2025.

This Priceline deal was found by Cheapflights users on 1/21. 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.
Tue 5/136:40 amEZE - ORD
2 stops32h 35mAvianca
Thu 5/222:35 pmORD - EZE
2 stops37h 00mAvianca
Deal found 1/21$772
This Mytrip deal was found by Cheapflights users on 1/21. 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 3/233:40 pmEZE - ORD
3 stops33h 57mMultiple Airlines
Thu 4/32:35 pmORD - EZE
2 stops37h 00mMultiple Airlines
Deal found 1/21$795
This Mytrip deal was found by Cheapflights users on 1/21. 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 3/238:55 amAEP - ORD
3 stops31h 43mMultiple Airlines
Thu 4/35:22 pmORD - AEP
3 stops34h 18mMultiple Airlines
Deal found 1/21$927
This Air Canada deal was found by Cheapflights users on 1/20. 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.
Sun 3/234:00 pmEZE - ORD
2 stops20h 54mAir Canada
Fri 4/43:35 pmORD - EZE
2 stops20h 55mAir Canada
Deal found 1/20$932
This Delta deal was found by Cheapflights users on 1/21. 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 4/38:10 pmEZE - STL
1 stop26h 05mDelta
Wed 4/305:40 pmSTL - EZE
1 stop14h 05mDelta
Deal found 1/21$970
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Thu 4/39:00 pmEZE - STL
2 stops19h 42mUnited Airlines
Wed 4/3011:00 amSTL - EZE
1 stop19h 00mUnited Airlines
Deal found 1/20$983
This American Airlines deal was found by Cheapflights users on 1/20. 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.
Mon 8/49:15 pmEZE - ORD
1 stop22h 19mAmerican Airlines
Tue 9/211:33 amORD - EZE
1 stop20h 42mAmerican Airlines
Deal found 1/20$1,005
This LATAM Airlines deal was found by Cheapflights users on 1/20. 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.
Mon 6/307:35 amEZE - ORD
2 stops18h 20mLATAM Airlines
Mon 7/143:35 pmORD - EZE
2 stops18h 13mLATAM Airlines
Deal found 1/20$1,064
This LATAM Airlines deal was found by Cheapflights users on 1/20. 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 7/15:00 pmAEP - ORD
2 stops23h 20mLATAM Airlines
Thu 7/105:55 pmORD - AEP
2 stops20h 05mLATAM Airlines
Deal found 1/20$1,064
This Delta deal was found by Cheapflights users on 1/21. 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 3/1210:25 pmEZE - MDW
2 stops21h 37mDelta
Mon 3/249:25 amMDW - EZE
2 stops21h 35mDelta
Deal found 1/21$1,077
This FlightHub deal was found by Cheapflights users on 1/21. 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.
Wed 4/23:55 amEZE - STL
2 stops40h 12mLATAM Airlines
Wed 4/301:00 pmSTL - EZE
2 stops44h 40mLATAM Airlines
Deal found 1/21$1,077
This LATAM Airlines deal was found by Cheapflights users on 1/21. 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 3/113:55 amEZE - MDW
2 stops31h 14mLATAM Airlines
Mon 3/2412:51 pmMDW - EZE
2 stops27h 19mLATAM Airlines
Deal found 1/21$1,086

Find flights from Buenos Aires to Illinois within your budget

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Sun 3/23

3:40 pm-11:37 pm

3 stops33h 57m

Chicago O'Hare Intl

Thu 4/3

2:35 pm-5:35 am

2 stops37h 00m

$795

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Tue 3/18

5:50 am-1:15 pm

2 stops33h 25m

Chicago O'Hare Intl

Tue 4/1

2:35 pm-5:35 am

2 stops37h 00m

$807

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Sun 3/23

8:55 am-2:38 pm

3 stops31h 43m

Chicago O'Hare Intl

Thu 4/3

5:22 pm-5:40 am

3 stops34h 18m

$927

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Wed 3/26

4:00 pm-10:54 am

2 stops20h 54m

Chicago O'Hare Intl

Fri 4/18

3:35 pm-2:30 pm

2 stops20h 55m

$931

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Thu 4/3

8:10 pm-8:15 pm

1 stop26h 05m

Lambert-St Louis

Wed 4/30

5:40 pm-9:45 am

1 stop14h 05m

$970

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Thu 4/3

9:00 pm-2:42 pm

2 stops19h 42m

Lambert-St Louis

Wed 4/30

11:00 am-8:00 am

1 stop19h 00m

$983

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Mon 3/17

8:00 pm-10:51 am

1 stop16h 51m

Chicago O'Hare Intl

Wed 3/26

1:51 pm-7:45 am

1 stop15h 54m

$1,025

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Tue 5/20

12:48 pm-10:02 am

2 stops23h 14m

Chicago O'Hare Intl

Thu 6/19

1:16 pm-6:13 pm

2 stops26h 57m

$1,064

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Tue 7/1

5:00 pm-2:20 pm

2 stops23h 20m

Chicago O'Hare Intl

Thu 7/10

5:55 pm-4:00 pm

2 stops20h 05m

$1,064

Buenos AiresChicago

EZE - MDW

EZEMDW

Buenos Aires Ministro Pistarini

Wed 3/12

10:25 pm-10:23 pm

2 stops25h 58m

Chicago Midway

Mon 3/24

6:00 am-9:00 am

1 stop25h 00m

$1,077

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 40 results
1
2
3
4

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.

Travel insights for flights from Buenos Aires to Illinois

Get recent, data-driven insights about flights from Buenos Aires to Illinois including ideal travel times, pricing trends, and more.

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 $320). 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 January 21, 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 January 21, 2025.
See what other customers who have flown with Air Canada, Avianca and LATAM 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
8,521 reviews

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

Copa Airlines
7.7
Good
1,662 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

LATAM Airlines
7.5
Good
1,858 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

Aeromexico
7.5
Good
1,849 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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

United Airlines
7.4
Good
8,985 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Overall

8.0

Food

7.3

Boarding

8.2

Comfort

8.0

Entertainment

7.9

Reviews

1 / 10

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 $446. Users have also found prices from $626 and $697 on GOL and Air Canada, 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 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, 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 $320). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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
Ministro Pistarini to Fort Lauderdale flights
Jorge Newbery to John F Kennedy Intl flights
Cordoba to Miami flights
Ministro Pistarini to Los Angeles flights
Ministro Pistarini to Orlando flights
Jorge Newbery to Los Angeles flights
Jorge Newbery to Orlando flights
Ministro Pistarini to San Francisco flights
Ministro Pistarini to Ontario flights
Ministro Pistarini to Hobby flights
Ministro Pistarini to Dallas/Fort Worth flights
Jorge Newbery to San Francisco flights
Rosario to Miami flights
Ministro Pistarini to Dulles Intl flights
Ministro Pistarini to Reagan-National flights
Ministro Pistarini to Baltimore flights
Mendoza to Miami flights
Ministro Pistarini to Atlanta flights
Ministro Pistarini to Las Vegas flights
Cordoba to Fort Lauderdale flights
Ministro Pistarini to George Bush Intcntl flights
Ministro Pistarini to O'Hare Intl flights
Ministro Pistarini to Charlotte flights
Ministro Pistarini to Austin flights
Ministro Pistarini to Honolulu flights
Ministro Pistarini to Boston flights
Ministro Pistarini to Raleigh flights
Ministro Pistarini to Denver flights
Ministro Pistarini to Sky Harbor Intl flights
Ministro Pistarini to Seattle flights
Cordoba to John F Kennedy Intl flights
Jorge Newbery to Denver flights

Top 4 airlines flying from Buenos Aires to Illinois

Discover the top 4 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$890Average$1,241FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$928Average$1,183FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$1,007Average$1,161FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$1,084Average$1,394FlexibilityNo cancel feeOn-time69%
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.