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$437+ 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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BUE
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
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 December 22, 2024.

Round-trip from

$971
(Booking.com)

One-way from

$437
(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 December 22, 2024.

This Mytrip deal was found by Cheapflights users on 12/21. 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.
Mon 12/304:00 pmORD - AEP
2 stops23h 20mMultiple Airlines
Mon 2/312:05 amAEP - ORD
3 stops39h 24mMultiple Airlines
Deal found 12/21$1,028
This Priceline deal was found by Cheapflights users on 12/21. 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.
Mon 12/301:35 pmORD - EZE
2 stops36h 21mAvianca
Mon 2/32:30 amEZE - ORD
2 stops36h 45mAvianca
Deal found 12/21$1,038
This Air Canada deal was found by Cheapflights users on 12/21. 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.
Mon 12/303:35 pmORD - EZE
2 stops20h 50mAir Canada
Tue 2/45:00 pmEZE - ORD
3 stops24h 45mAir Canada
Deal found 12/21$1,090
This Delta deal was found by Cheapflights users on 12/21. 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.
Mon 12/3010:08 amMDW - EZE
1 stop18h 07mDelta
Tue 2/49:00 pmEZE - MDW
1 stop17h 59mDelta
Deal found 12/21$1,094
This Delta deal was found by Cheapflights users on 12/22. 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.
Thu 12/2610:00 amORD - EZE
1 stop18h 15mDelta
Tue 2/410:25 pmEZE - ORD
1 stop22h 22mDelta
Deal found 12/22$1,094
This Mytrip deal was found by Cheapflights users on 12/20. 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.
Tue 12/311:35 pmORD - EZE
1 stop13h 30mMultiple Airlines
Fri 1/171:45 amEZE - ORD
2 stops26h 06mMultiple Airlines
Deal found 12/20$1,114
This LATAM Airlines deal was found by Cheapflights users on 12/21. 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 12/306:00 amMDW - EZE
2 stops21h 00mLATAM Airlines
Mon 2/33:55 amEZE - MDW
2 stops21h 25mLATAM Airlines
Deal found 12/21$1,133
This LATAM Airlines deal was found by Cheapflights users on 12/21. 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 12/305:03 pmMDW - AEP
2 stops20h 57mLATAM Airlines
Tue 2/45:05 pmAEP - MDW
2 stops20h 07mLATAM Airlines
Deal found 12/21$1,133
This LATAM Airlines deal was found by Cheapflights users on 12/22. 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.
Thu 12/2612:40 pmORD - EZE
2 stops30h 23mLATAM Airlines
Tue 2/47:45 amEZE - ORD
2 stops19h 04mLATAM Airlines
Deal found 12/22$1,158
This United Airlines deal was found by Cheapflights users on 12/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/219:29 pmORD - EZE
1 stop32h 51mUnited Airlines
Sat 12/2810:05 pmEZE - ORD
1 stop28h 15mUnited Airlines
Deal found 12/21$1,165
This KAYAK deal was found by Cheapflights users on 12/21. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/306:54 amORD - EZE
1 stop18h 19mCopa Airlines
Mon 2/32:43 amEZE - ORD
1 stop23h 44mCopa Airlines
Deal found 12/21$1,297
This American Airlines deal was found by Cheapflights users on 12/22. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2312:01 pmORD - EZE
2 stops15h 59mAmerican Airlines
Tue 12/319:35 pmEZE - ORD
2 stops17h 37mAmerican Airlines
Deal found 12/22$1,418

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 December 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Fri 1/24

2:35 pm-12:15 am

3 stops30h 40m

Buenos Aires Ministro Pistarini

Fri 1/31

5:50 am-12:15 pm

2 stops33h 25m

$971

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Sun 5/4

3:40 pm-2:30 pm

2 stops20h 50m

Buenos Aires Ministro Pistarini

Thu 5/8

4:35 pm-9:52 am

2 stops19h 17m

$984

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Wed 2/5

5:11 am-5:00 am

2 stops44h 49m

Buenos Aires Jorge Newbery

Tue 2/11

4:30 am-8:51 pm

3 stops43h 21m

$990

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 1/20

6:06 pm-4:18 am

3 stops31h 12m

Buenos Aires Ministro Pistarini

Mon 1/27

5:36 am-8:13 pm

3 stops41h 37m

$1,000

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 5/26

3:07 pm-8:19 am

1 stop15h 12m

Buenos Aires Ministro Pistarini

Tue 6/10

2:32 pm-1:47 pm

1 stop25h 15m

$1,012

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-9:09 am

1 stop14h 14m

$1,024

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Tue 4/29

9:15 am-8:00 am

1 stop20h 45m

Buenos Aires Ministro Pistarini

Tue 5/6

9:00 pm-10:11 am

1 stop15h 11m

$1,024

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Tue 4/29

6:50 pm-4:00 pm

2 stops19h 10m

Buenos Aires Jorge Newbery

Wed 5/7

5:10 pm-11:56 am

2 stops20h 46m

$1,024

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Tue 4/29

5:55 pm-4:00 pm

2 stops20h 05m

Buenos Aires Jorge Newbery

Tue 5/6

5:10 pm-10:02 am

2 stops18h 52m

$1,024

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 5/26

5:55 pm-9:45 am

1 stop13h 50m

Buenos Aires Ministro Pistarini

Tue 6/10

8:10 pm-12:38 pm

2 stops18h 28m

$1,028

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/22

Showing 1-10 of 47 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 December 22, 2024.

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 December 22, 2024.
Get a feel of what it's like to fly with Copa Airlines, American Airlines 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
8,594 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Crew

8.6

Entertainment

7.9

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
8,594 reviews
Delta
8.0
Very good
8,594 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Crew

8.6

Entertainment

7.9

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
1,713 reviews
Delta
8.0
Very good
8,594 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Crew

8.6

Entertainment

7.9

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
1,868 reviews
Delta
8.0
Very good
8,594 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Crew

8.6

Entertainment

7.9

Reviews

1 / 10

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

Aeromexico
7.5
Good
1,915 reviews
Delta
8.0
Very good
8,594 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Crew

8.6

Entertainment

7.9

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
9,028 reviews
Delta
8.0
Very good
8,594 reviews

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.3

Crew

8.6

Entertainment

7.9

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 $483. Air Canada flights start at $558 while deals on LATAM Airlines start at $700 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.
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Top 6 airlines flying from Illinois to Buenos Aires

Discover the top 6 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 December 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$762Average$1,379FlexibilityNo cancel feeOn-time71%
DeltaCheapest$778Average$1,160FlexibilityNo cancel feeOn-timeN/A
AeromexicoCheapest$779Average$1,098FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$963Average$1,146FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$1,023Average$1,263FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,060Average$1,337FlexibilityNo cancel feeOn-time69%
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