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$355+ Cheap flights from Illinois to Buenos Aires (BUE)

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 3/18. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BUE
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Illinois to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from Illinois (USIL) to Buenos Aires (BUE). 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

$889
(Mytrip)

One-way from

$355
(Kiwi.com)
From Illinois to Buenos Aires (BUE)
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One-way flight from Illinois to Buenos Aires (BUE)
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Find flight deals from Illinois to Buenos Aires

Cheapest flights from Illinois to Buenos Aires
Explore the most affordable flight options available from Illinois to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/512:48 amORD - AEP
3 stops32h 52mMultiple Airlines
Thu 3/135:58 pmAEP - ORD
2 stops31h 39mMultiple Airlines
Deal found 1/20$889
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/51:35 pmORD - EZE
2 stops36h 05mAvianca
Tue 3/112:30 amEZE - ORD
2 stops36h 45mAvianca
Deal found 1/21$892
This Air Canada 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/124:00 pmORD - EZE
2 stops20h 25mAir Canada
Wed 3/194:00 pmEZE - ORD
3 stops24h 45mAir Canada
Deal found 1/21$893
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.
Wed 3/125:10 amORD - EZE
3 stops38h 53mMultiple Airlines
Tue 3/253:40 pmEZE - ORD
3 stops33h 57mMultiple Airlines
Deal found 1/21$909
This eDestinos 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/57:25 amMDW - EZE
2 stops44h 25mMultiple Airlines
Wed 3/128:00 amEZE - MDW
3 stops33h 13mMultiple Airlines
Deal found 1/21$968
This Gotogate 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/112:01 amORD - EZE
1 stop17h 54mAeromexico
Wed 3/2611:55 pmEZE - ORD
2 stops38h 17mAeromexico
Deal found 1/21$1,013
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.
Mon 5/263:45 pmMDW - EZE
2 stops18h 03mLATAM Airlines
Tue 6/106:10 amEZE - MDW
2 stops17h 37mLATAM Airlines
Deal found 1/21$1,025
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.
Wed 10/87:05 pmSTL - AEP
2 stops18h 55mLATAM Airlines
Wed 10/158:10 pmAEP - STL
2 stops29h 29mLATAM Airlines
Deal found 1/20$1,025
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.
Mon 5/263:35 pmORD - EZE
2 stops24h 38mLATAM Airlines
Mon 6/3012:48 pmEZE - ORD
2 stops25h 21mLATAM Airlines
Deal found 1/21$1,025
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 5/2610:10 amMDW - AEP
2 stops25h 50mLATAM Airlines
Wed 7/24:10 pmAEP - MDW
2 stops27h 53mLATAM Airlines
Deal found 1/20$1,025
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.
Wed 10/2211:00 amORD - AEP
3 stops30h 40mLATAM Airlines
Sun 11/210:55 pmAEP - ORD
2 stops28h 00mLATAM Airlines
Deal found 1/21$1,025
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/811:51 amSTL - EZE
2 stops16h 04mDelta
Thu 10/168:10 pmEZE - STL
1 stop20h 25mDelta
Deal found 1/20$1,025

Find flights from Illinois to Buenos Aires within your budget

Customize your flight search to find flights from Illinois to Buenos Aires 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

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Wed 3/5

12:48 am-12:40 pm

3 stops32h 52m

Buenos Aires Jorge Newbery

Thu 3/13

5:58 pm-11:37 pm

2 stops31h 39m

$889

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Wed 3/5

1:35 pm-4:40 am

2 stops36h 05m

Buenos Aires Ministro Pistarini

Tue 3/11

2:30 am-1:15 pm

2 stops36h 45m

$892

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Wed 3/12

4:00 pm-2:25 pm

2 stops20h 25m

Buenos Aires Ministro Pistarini

Wed 3/19

4:00 pm-2:45 pm

3 stops24h 45m

$893

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Wed 3/12

5:10 am-10:03 pm

3 stops38h 53m

Buenos Aires Ministro Pistarini

Tue 3/25

3:40 pm-11:37 pm

3 stops33h 57m

$909

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Wed 3/5

7:25 am-2:45 pm

3 stops52h 20m

Buenos Aires Ministro Pistarini

Wed 3/12

10:55 am-3:16 pm

3 stops54h 21m

$922

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Tue 3/11

2:01 am-9:55 pm

1 stop17h 54m

Buenos Aires Ministro Pistarini

Wed 3/26

11:55 pm-12:12 pm

2 stops38h 17m

$1,013

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Wed 3/12

12:51 pm-9:00 am

1 stop18h 09m

Buenos Aires Ministro Pistarini

Wed 3/19

8:55 pm-12:06 pm

1 stop17h 11m

$1,025

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 5/26

3:35 pm-6:13 pm

2 stops24h 38m

Buenos Aires Ministro Pistarini

Mon 6/30

12:48 pm-12:09 pm

2 stops25h 21m

$1,025

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Mon 5/26

10:10 am-2:00 pm

2 stops25h 50m

Buenos Aires Jorge Newbery

Wed 7/2

4:10 pm-6:03 pm

2 stops27h 53m

$1,025

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Tue 5/27

8:55 am-9:45 am

2 stops22h 50m

Buenos Aires Ministro Pistarini

Wed 7/2

7:40 am-11:55 pm

2 stops18h 15m

$1,030

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 46 results
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Best time to book a flight from Illinois to Buenos Aires

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

Travel insights for flights from Illinois to Buenos Aires

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

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

Currently, April is the cheapest month in which you can book a flight from Illinois to Buenos Aires (average of $795). Flying from Illinois to Buenos Aires 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 BUE?

Find hourly flight availability from Illinois to Buenos Aires. 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.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Buenos Aires as you normally would.

Rainfall in Buenos Aires by month

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

In terms of precipitation, rainfall in Buenos Aires 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 Buenos Aires when rainfall is around 2.0 in.

Temperature in Buenos Aires by month

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

If weather is an important factor for your trip to Buenos Aires, 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 Buenos Aires

Get insights into the airlines that provide service to Buenos Aires. 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 Buenos Aires. Reviews last updated January 21, 2025.
Get a feel of what it's like to fly with Avianca, Air Canada and Delta from Illinois to Buenos Aires by reading reviews from past customers. 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

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.6

Reviews

1 / 10

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

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

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.6

Reviews

1 / 10

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

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

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.6

Reviews

1 / 10

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

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

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.6

Reviews

1 / 10

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

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

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.6

Reviews

1 / 10

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

United Airlines
7.4
Good
8,984 reviews
Delta
8.0
Very good
8,521 reviews

Comfort

8.0

Food

7.3

Boarding

8.2

Overall

8.0

Entertainment

7.9

Crew

8.6

Reviews

1 / 10

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 Buenos Aires. 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 Buenos Aires one-way?

    To fly one-way, consider booking your trip with Avianca, which is currently one of the cheapest options available, starting at $399. Air Canada flights start at $575 while deals on Delta start at $718 one-way.

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

    When deciding which route to take from Illinois to Buenos Aires consider Chicago O'Hare Intl - Buenos Aires Ministro Pistarini, Chicago O'Hare Intl - Buenos Aires Jorge Newbery or Chicago Midway - Buenos Aires Ministro Pistarini as they are the most popular.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Illinois to Buenos Aires (average of $795). Flying from Illinois to Buenos Aires 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 Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.
Miami to Ministro Pistarini flights
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Top 5 airlines flying from Illinois to Buenos Aires

Discover the top 5 airlines that operate flights from Illinois to Buenos Aires. 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
AviancaCheapest$762Average$1,666FlexibilityNo cancel feeOn-time71%
DeltaCheapest$778Average$1,143FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$963Average$1,110FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$1,023Average$1,261FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,060Average$1,323FlexibilityNo cancel feeOn-time69%
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