What are the cheapest airlines flying from Buenos Aires to Chicago O'Hare Intl Airport round-trip?

Currently priced at $933, Avianca will fly you from Buenos Aires to Chicago O'Hare Intl Airport and back. In addition to Avianca, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Copa Airlines - these airlines can fly you to your destination from $1,005 and $1,052, respectively. Avianca is priced at 32% lower than the current average price of a flight leaving 3 months from now.

What is the cheapest day to fly from Buenos Aires to Chicago O'Hare Intl Airport?

Travelers seeking maximum savings on their Buenos Aires to Chicago O'Hare Intl Airport flight should consider departing on Wednesday mornings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Buenos Aires to Chicago O'Hare Intl Airport?

Before booking your flight from Buenos Aires to Chicago O'Hare Intl Airport check out the most popular airlines for this route: American Airlines, Avianca or Copa Airlines.

What is the cheapest day to fly round-trip from Buenos Aires to Chicago O'Hare Intl Airport?

Flights from Buenos Aires to Chicago O'Hare Intl Airport are found to be more expensive on Saturday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Chicago O'Hare Intl Airport.

How far in advance should I book a flight from Buenos Aires to Chicago O'Hare Intl Airport?

To save on the cost of your flight from Buenos Aires to Chicago O'Hare Intl Airport, book at least 25 days before your planned departure. Booking around this time can save you about 42% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $973 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,247.

What is the cheapest month to fly from Buenos Aires to Chicago O'Hare Intl Airport?

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, October can be a great choice for travel to Chicago O'Hare Intl Airport. Flights to Chicago O'Hare Intl Airport from Buenos Aires in October are about $1,276 on average during October, but can be found for as low as $746.

Can I find deals for flights from Buenos Aires to O'Hare Intl that include hotel bookings?

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

How can I find direct flights from Buenos Aires to O'Hare Intl?

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

Can I find deals for business class flights from Buenos Aires to O'Hare Intl?

Yes. Cheapflights offers flight deals from Buenos Aires to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$437+ Flights from Buenos Aires to Chicago O'Hare Intl Airport

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Cheap flight deals from Buenos Aires to O'Hare Intl

Round-trip from	$933 (Priceline)
One-way from	$437 (Mytrip)
Popular in	March
Cheapest in	July
Average price	$1,278

From Buenos Aires (BUE) to Chicago O'Hare Intl

Search Deals

One-way flight from Buenos Aires (BUE) to Chicago O'Hare Intl

Search Deals

Highest demand for flights based on searches. 16% potential increase in price ($268 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($46 potential savings vs. average RT price).

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Average for round-trip flights in June 2025

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Find flight deals from Buenos Aires to O'Hare Intl

Cheapest flights from Buenos Aires to O'Hare Intl
Explore the most affordable flight options available from Buenos Aires to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Tue 6/246:50 amEZE - ORD

3 stops33h 35mAvianca

Mon 8/182:35 pmORD - EZE

2 stops35h 50mAvianca

Deal found 6/12

$933

Mon 6/234:25 amEZE - ORD

2 stops19h 31mMultiple Airlines

Fri 7/43:45 pmORD - EZE

2 stops30h 25mMultiple Airlines

Deal found 6/11

$940

Sat 8/212:05 amAEP - ORD

3 stops42h 06mMultiple Airlines

Sun 8/108:09 amORD - AEP

3 stops29h 56mMultiple Airlines

Deal found 6/12

$958

Thu 8/217:00 amAEP - ORD

3 stops33h 25mAvianca

Sun 8/243:45 pmORD - AEP

2 stops35h 55mAvianca

Deal found 6/12

$980

Wed 11/129:40 pmEZE - ORD

1 stop16h 14mAmerican Airlines

Tue 11/252:25 pmORD - EZE

1 stop15h 45mAmerican Airlines

Deal found 6/10

$1,005

Thu 10/210:05 amEZE - ORD

1 stop16h 17mCopa Airlines

Thu 10/167:54 amORD - EZE

1 stop14h 50mCopa Airlines

Deal found 6/10

$1,052

Tue 11/113:45 amEZE - ORD

2 stops23h 08mLATAM Airlines

Tue 11/253:35 pmORD - EZE

2 stops24h 10mLATAM Airlines

Deal found 6/10

$1,064

Wed 11/125:10 pmAEP - ORD

2 stops19h 53mLATAM Airlines

Tue 11/255:55 pmORD - AEP

2 stops19h 05mLATAM Airlines

Deal found 6/10

$1,064

Tue 9/168:10 pmEZE - ORD

2 stops22h 24mDelta

Wed 10/2210:35 amORD - EZE

2 stops21h 10mDelta

Deal found 6/10

$1,077

Tue 8/59:00 pmEZE - ORD

1 stop29h 15mUnited Airlines

Tue 8/129:46 amORD - EZE

1 stop20h 14mUnited Airlines

Deal found 6/12

$1,106

Wed 9/34:35 pmEZE - ORD

2 stops19h 16mAir Canada

Wed 10/810:40 amORD - EZE

3 stops25h 50mAir Canada

Deal found 6/10

$1,107

Thu 9/1811:25 pmEZE - ORD

1 stop27h 04mAeromexico

Mon 10/61:55 amORD - EZE

1 stop17h 30mAeromexico

Deal found 6/11

$1,182

Best flights from Buenos Aires to O'Hare Intl
Discover carefully curated flight deals from Buenos Aires to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 12, 2025.

Tue 6/246:50 amEZE - ORD

3 stops33h 35mAvianca

Mon 8/182:35 pmORD - EZE

2 stops35h 50mAvianca

Deal found 6/12

$933

Mon 6/234:25 amEZE - ORD

2 stops19h 31mMultiple Airlines

Fri 7/43:45 pmORD - EZE

2 stops30h 25mMultiple Airlines

Deal found 6/11

$940

Wed 11/129:40 pmEZE - ORD

1 stop16h 14mAmerican Airlines

Tue 11/252:25 pmORD - EZE

1 stop15h 45mAmerican Airlines

Deal found 6/10

$1,005

Thu 10/210:05 amEZE - ORD

1 stop16h 17mCopa Airlines

Thu 10/167:54 amORD - EZE

1 stop14h 50mCopa Airlines

Deal found 6/10

$1,052

Tue 11/113:45 amEZE - ORD

2 stops23h 08mLATAM Airlines

Tue 11/253:35 pmORD - EZE

2 stops24h 10mLATAM Airlines

Deal found 6/10

$1,064

Tue 9/168:10 pmEZE - ORD

2 stops22h 24mDelta

Wed 10/2210:35 amORD - EZE

2 stops21h 10mDelta

Deal found 6/10

$1,077

Tue 8/59:00 pmEZE - ORD

1 stop29h 15mUnited Airlines

Tue 8/129:46 amORD - EZE

1 stop20h 14mUnited Airlines

Deal found 6/12

$1,106

Wed 9/34:35 pmEZE - ORD

2 stops19h 16mAir Canada

Wed 10/810:40 amORD - EZE

3 stops25h 50mAir Canada

Deal found 6/10

$1,107

Thu 9/1811:25 pmEZE - ORD

1 stop27h 04mAeromexico

Mon 10/61:55 amORD - EZE

1 stop17h 30mAeromexico

Deal found 6/11

$1,182

Sun 10/53:40 amAEP - ORD

2 stops31h 22mGOL

Mon 10/135:00 amORD - AEP

2 stops30h 00mGOL

Deal found 6/11

$1,345

Sat 8/212:05 amAEP - ORD

3 stops42h 06mMultiple Airlines

Sun 8/108:09 amORD - AEP

3 stops29h 56mMultiple Airlines

Deal found 6/12

$958

Thu 8/217:00 amAEP - ORD

3 stops33h 25mAvianca

Sun 8/243:45 pmORD - AEP

2 stops35h 55mAvianca

Deal found 6/12

$980

Last-minute flights from Buenos Aires to O'Hare Intl
Discover last-minute flight deals from Buenos Aires to O'Hare Intl. Data last updated June 12, 2025 and is based on user searches.

Tue 6/1711:25 pmEZE - ORD

2 stops38h 17mAeromexico

Wed 7/92:01 amORD - EZE

1 stop17h 24mAeromexico

Deal found 6/11

$3,045

Thu 6/197:00 amAEP - ORD

3 stops33h 25mAvianca

Sat 6/285:25 pmORD - AEP

2 stops34h 15mAvianca

Deal found 6/10

$1,250

Thu 6/198:10 pmAEP - ORD

2 stops18h 37mLATAM Airlines

Sun 6/291:31 pmORD - AEP

3 stops28h 09mLATAM Airlines

Deal found 6/11

$1,948

Thu 6/194:35 pmEZE - ORD

3 stops27h 46mAir Canada

Sun 6/2910:40 amORD - EZE

3 stops25h 50mAir Canada

Deal found 6/11

$2,614

Fri 6/205:58 pmAEP - ORD

2 stops18h 11mMultiple Airlines

Sat 6/282:35 pmORD - AEP

1 stop35h 30mMultiple Airlines

Deal found 6/10

$1,778

Sun 6/221:40 amEZE - ORD

1 stop13h 35mAvianca

Fri 7/43:45 pmORD - EZE

2 stops30h 25mAvianca

Deal found 6/11

$934

Sun 6/222:30 amEZE - ORD

2 stops32h 20mMultiple Airlines

Fri 7/43:45 pmORD - EZE

2 stops30h 25mMultiple Airlines

Deal found 6/11

$970

Sun 6/223:47 amEZE - ORD

1 stop22h 47mCopa Airlines

Wed 6/253:07 pmORD - EZE

1 stop29h 01mCopa Airlines

Deal found 6/12

$1,590

Mon 6/234:25 amEZE - ORD

2 stops19h 31mMultiple Airlines

Fri 7/43:45 pmORD - EZE

2 stops30h 25mMultiple Airlines

Deal found 6/11

$940

Mon 6/2312:05 amAEP - ORD

3 stops47h 51mMultiple Airlines

Mon 8/182:35 pmORD - AEP

2 stops19h 25mMultiple Airlines

Deal found 6/12

$986

Mon 6/231:40 pmAEP - ORD

2 stops21h 29mAir Canada

Wed 6/2510:00 amORD - AEP

2 stops29h 20mAir Canada

Deal found 6/12

$3,363

Tue 6/246:50 amEZE - ORD

3 stops33h 35mAvianca

Mon 8/182:35 pmORD - EZE

2 stops35h 50mAvianca

Deal found 6/12

$933

One-way flights from Buenos Aires to O'Hare Intl
Search for one-way flight options from Buenos Aires to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated June 12, 2025.

Thu 10/212:05 amAEP - ORD

3 stops24h 42mMultiple Airlines

Deal found 6/9

$437

Tue 6/241:40 amEZE - ORD

2 stops33h 10mMultiple Airlines

Deal found 6/11

$451

Wed 10/11:40 amEZE - ORD

1 stop13h 35mAvianca

Deal found 6/9

$479

Wed 9/107:00 amAEP - ORD

1 stop32h 15mAvianca

Deal found 6/11

$635

Fri 9/193:40 amAEP - ORD

2 stops20h 46mGOL

Deal found 6/10

$637

Wed 9/104:35 pmEZE - ORD

3 stops24h 20mAir Canada

Deal found 6/11

$708

Sun 8/3110:30 pmEZE - ORD

1 stop21h 25mAmerican Airlines

Deal found 6/10

$798

Thu 10/29:05 pmAEP - ORD

3 stops38h 59mLATAM Airlines

Deal found 6/10

$817

Fri 7/258:10 pmEZE - ORD

1 stop20h 43mDelta

Deal found 6/10

$840

Wed 7/95:33 amEZE - ORD

3 stops32h 43mLATAM Airlines

Deal found 6/12

$896

Thu 11/273:15 amEZE - ORD

2 stops23h 39mGOL

Deal found 6/11

$1,204

Thu 10/22:13 amEZE - ORD

1 stop24h 09mCopa Airlines

Deal found 6/10

$1,205

Cheapflights Fare Finder

Use the filters below to find and compare flights from Buenos Aires to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Tue 6/24

6:50 am-2:25 pm

3 stops33h 35m

Chicago O'Hare Intl

Mon 8/18

2:35 pm-4:25 am

2 stops35h 50m

$933

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Mon 6/23

4:25 am-9:56 pm

2 stops19h 31m

Chicago O'Hare Intl

Fri 7/4

3:45 pm-12:10 am

2 stops30h 25m

$940

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Sat 8/2

12:05 am-4:11 pm

3 stops42h 06m

Chicago O'Hare Intl

Sun 8/10

8:09 am-4:05 pm

3 stops29h 56m

$958

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Thu 8/21

7:00 am-2:25 pm

3 stops33h 25m

Chicago O'Hare Intl

Sun 8/24

3:45 pm-5:40 am

2 stops35h 55m

$980

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Wed 11/12

9:40 pm-10:54 am

1 stop16h 14m

Chicago O'Hare Intl

Tue 11/25

2:25 pm-9:10 am

1 stop15h 45m

$1,005

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Thu 10/2

10:05 am-12:22 am

1 stop16h 17m

Chicago O'Hare Intl

Thu 10/16

7:54 am-12:44 am

1 stop14h 50m

$1,052

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Tue 11/11

3:45 am-11:53 pm

2 stops23h 08m

Chicago O'Hare Intl

Tue 11/25

3:35 pm-6:45 pm

2 stops24h 10m

$1,064

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Wed 11/12

5:10 pm-10:03 am

2 stops19h 53m

Chicago O'Hare Intl

Tue 11/25

5:55 pm-4:00 pm

2 stops19h 05m

$1,064

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Tue 9/16

8:10 pm-4:34 pm

2 stops22h 24m

Chicago O'Hare Intl

Wed 10/22

10:35 am-9:45 am

2 stops21h 10m

$1,077

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Tue 8/5

9:00 pm-12:15 am

1 stop29h 15m

Chicago O'Hare Intl

Tue 8/12

9:46 am-8:00 am

1 stop20h 14m

$1,106

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 29 results

Best time to book a flight from Buenos Aires to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl 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 Chicago O'Hare Intl Airport

What is the cheapest month to book a flight from Buenos Aires to Chicago O'Hare Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Buenos Aires to Chicago O'Hare Intl Airport (average of $245). Flying from Buenos Aires to Chicago O'Hare Intl Airport 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 ORD?

Unlike at noon, when flights are generally more expensive, you can save up to 21% on flights from Buenos Aires to Chicago O'Hare Intl Airport by exploring options for tickets in the morning.

Rainfall in O'Hare Intl by month

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport 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 Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, 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 O'Hare Intl

Get a feel of what it's like to fly with Delta, LATAM Airlines and Copa Airlines from Buenos Aires to Chicago 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

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,950 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

LATAM Airlines

7.5

Good

1,785 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Copa Airlines

7.5

Good

1,451 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Aeromexico

7.5

Good

1,706 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,790 reviews

Delta

8.0

Very good

7,950 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from Buenos Aires to Chicago O'Hare Intl Airport round-trip?
Currently priced at $933, Avianca will fly you from Buenos Aires to Chicago O'Hare Intl Airport and back. In addition to Avianca, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Copa Airlines - these airlines can fly you to your destination from $1,005 and $1,052, respectively. Avianca is priced at 32% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Buenos Aires to Chicago O'Hare Intl Airport one-way?
The cheapest airlines for a one-way flight from Buenos Aires to Chicago O'Hare Intl Airport are Avianca ($479), GOL ($637), and Air Canada ($708).
Can I find deals for flights from Buenos Aires to O'Hare Intl that include hotel bookings?
Yes. In addition to deals on Buenos Aires to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Buenos Aires to O'Hare Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buenos Aires to O'Hare Intl.
Can I find deals for business class flights from Buenos Aires to O'Hare Intl?
Yes. Cheapflights offers flight deals from Buenos Aires to O'Hare Intl 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 Chicago O'Hare Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Buenos Aires to Chicago O'Hare Intl Airport (average of $245). Flying from Buenos Aires to Chicago O'Hare Intl Airport 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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Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Buenos Aires to O'Hare Intl

Airline	Cheapest	Average	Flexibility	On-time
Avianca	Cheapest$882	Average$1,236	FlexibilityNo cancel fee	On-time71%
American Airlines	Cheapest$928	Average$1,270	FlexibilityNo cancel fee	On-time71%
Copa Airlines	Cheapest$1,018	Average$1,174	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$1,084	Average$1,554	FlexibilityNo cancel fee	On-time69%

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$437+ Cheap flights from Buenos Aires (BUE) to O'Hare Intl (ORD)

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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Buenos Aires to O'Hare Intl with Cheapflights

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Find flight deals from Buenos Aires to O'Hare Intl

Cheapest flights from Buenos Aires to O'Hare IntlExplore the most affordable flight options available from Buenos Aires to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Explore the most affordable flight options available from Buenos Aires to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Buenos Aires to Chicago O'Hare Intl Airport that are best for you.

Best time to book a flight from Buenos Aires to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Buenos Aires with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Buenos Aires to Chicago O'Hare Intl Airport

What is the cheapest month to book a flight from Buenos Aires to Chicago O'Hare Intl Airport?

What is the cheapest time of day to fly from BUE to ORD?

Find hourly flight availability from Buenos Aires to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

Reviews of airlines servicing O'Hare Intl

Get a feel of what it's like to fly with Delta, LATAM Airlines and Copa Airlines from Buenos Aires to Chicago by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Buenos Aires to O'Hare Intl. 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 flying from Buenos Aires to Chicago O'Hare Intl Airport round-trip?

What are the cheapest airlines to fly from Buenos Aires to Chicago O'Hare Intl Airport one-way?

Can I find deals for flights from Buenos Aires to O'Hare Intl that include hotel bookings?

How can I find direct flights from Buenos Aires to O'Hare Intl?

Can I find deals for business class flights from Buenos Aires to O'Hare Intl?

What is the cheapest month to book a flight from Buenos Aires to Chicago O'Hare Intl Airport?

Traveling to a place near Buenos Aires?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Buenos Aires to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Buenos Aires to O'Hare Intl

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Cheapest flights from Buenos Aires to O'Hare Intl
Explore the most affordable flight options available from Buenos Aires to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.