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

Currently priced at $1,064, LATAM Airlines will fly you from Buenos Aires to Chicago O'Hare Intl Airport and back. In addition to LATAM Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Avianca and Aeromexico - these airlines can fly you to your destination from $1,079 and $1,095, respectively. LATAM Airlines is priced at 23% 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 50 days before your planned departure. Booking around this time can save you about 122% 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 $1,484.

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, August can be a great choice for travel to Chicago O'Hare Intl Airport. Flights to Chicago O'Hare Intl Airport from Buenos Aires in August are about $1,259 on average during August, but can be found for as low as $852.

Most accurate provider : When it comes to deals on Buenos Aires-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buenos Aires-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buenos Aires-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Buenos Aires-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buenos Aires-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$428+ Flights from Buenos Aires to Chicago O'Hare Intl Airport

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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

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Cheap flight deals from Buenos Aires to O'Hare Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$1,064 (LATAM Airlines)
One-way from	$428 (Mytrip)
Popular in	March
Cheapest in	June
Average price	$1,134

Provider with most accurate pricing for Buenos Aires (BUE)-Chicago O'Hare Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Buenos Aires (BUE)-Chicago O'Hare Intl flights.

Search Deals

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. 11% potential increase in price ($183 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($45 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 April 2, 2025.

Mon 9/83:55 amEZE - ORD

2 stops21h 58mLATAM Airlines

Mon 9/292:00 pmORD - EZE

2 stops25h 13mLATAM Airlines

Deal found 4/1

$1,064

Tue 9/95:00 pmAEP - ORD

2 stops22h 18mLATAM Airlines

Mon 9/2911:00 amORD - AEP

2 stops27h 00mLATAM Airlines

Deal found 4/1

$1,064

Tue 7/226:40 amEZE - ORD

2 stops32h 35mAvianca

Mon 8/42:35 pmORD - EZE

2 stops35h 50mAvianca

Deal found 3/31

$1,079

Mon 9/1511:25 pmEZE - ORD

1 stop15h 27mAeromexico

Tue 10/211:55 amORD - EZE

1 stop17h 30mAeromexico

Deal found 4/1

$1,095

Fri 4/410:18 amEZE - ORD

2 stops30h 38mMultiple Airlines

Wed 4/232:35 pmORD - EZE

1 stop22h 45mMultiple Airlines

Deal found 4/1

$1,103

Thu 8/218:10 pmEZE - ORD

1 stop20h 10mDelta

Sat 9/610:35 amORD - EZE

2 stops21h 10mDelta

Deal found 4/1

$1,109

Thu 7/107:00 amAEP - ORD

3 stops33h 25mAvianca

Tue 8/55:25 pmORD - AEP

2 stops34h 15mAvianca

Deal found 4/1

$1,206

Thu 4/37:00 amAEP - ORD

1 stop32h 15mMultiple Airlines

Thu 4/242:50 pmORD - AEP

2 stops20h 10mMultiple Airlines

Deal found 4/1

$1,259

Wed 4/24:35 pmEZE - ORD

2 stops20h 12mAir Canada

Wed 4/233:35 pmORD - EZE

2 stops20h 55mAir Canada

Deal found 4/1

$1,264

Mon 9/1510:05 amEZE - ORD

1 stop16h 17mCopa Airlines

Fri 9/263:07 pmORD - EZE

1 stop15h 09mCopa Airlines

Deal found 4/1

$1,367

Sun 4/209:15 pmEZE - ORD

1 stop15h 50mAmerican Airlines

Tue 5/131:41 pmORD - EZE

1 stop15h 34mAmerican Airlines

Deal found 4/1

$1,405

Tue 6/33:40 amAEP - ORD

2 stops22h 16mGOL

Thu 6/54:48 pmORD - AEP

2 stops18h 12mGOL

Deal found 4/1

$1,764

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 April 2, 2025.

Mon 9/83:55 amEZE - ORD

2 stops21h 58mLATAM Airlines

Mon 9/292:00 pmORD - EZE

2 stops25h 13mLATAM Airlines

Deal found 4/1

$1,064

Tue 7/226:40 amEZE - ORD

2 stops32h 35mAvianca

Mon 8/42:35 pmORD - EZE

2 stops35h 50mAvianca

Deal found 3/31

$1,079

Mon 9/1511:25 pmEZE - ORD

1 stop15h 27mAeromexico

Tue 10/211:55 amORD - EZE

1 stop17h 30mAeromexico

Deal found 4/1

$1,095

Thu 8/218:10 pmEZE - ORD

1 stop20h 10mDelta

Sat 9/610:35 amORD - EZE

2 stops21h 10mDelta

Deal found 4/1

$1,109

Mon 5/196:20 pmAEP - ORD

2 stops20h 55mMultiple Airlines

Wed 5/212:35 pmORD - AEP

2 stops24h 45mMultiple Airlines

Deal found 3/30

$1,125

Mon 9/154:35 pmEZE - ORD

2 stops22h 19mAir Canada

Wed 10/2210:40 amORD - EZE

3 stops25h 50mAir Canada

Deal found 4/1

$1,192

Mon 9/1510:05 amEZE - ORD

1 stop16h 17mCopa Airlines

Fri 9/263:07 pmORD - EZE

1 stop15h 09mCopa Airlines

Deal found 4/1

$1,367

Sun 4/209:15 pmEZE - ORD

1 stop15h 50mAmerican Airlines

Tue 5/131:41 pmORD - EZE

1 stop15h 34mAmerican Airlines

Deal found 4/1

$1,405

Tue 6/33:40 amAEP - ORD

2 stops22h 16mGOL

Thu 6/54:48 pmORD - AEP

2 stops18h 12mGOL

Deal found 4/1

$1,764

Mon 6/168:10 pmAEP - ORD

2 stops18h 41mLATAM Airlines

Mon 6/305:45 amORD - AEP

2 stops20h 20mLATAM Airlines

Deal found 3/31

$1,166

Wed 7/93:55 amEZE - ORD

2 stops30h 37mMultiple Airlines

Tue 8/52:35 pmORD - EZE

2 stops37h 00mMultiple Airlines

Deal found 4/1

$1,207

Thu 5/297:00 amAEP - ORD

1 stop32h 15mAvianca

Thu 6/125:25 pmORD - AEP

2 stops34h 15mAvianca

Deal found 3/31

$1,321

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 April 2, 2025 and is based on user searches.

Wed 4/24:35 pmEZE - ORD

2 stops20h 12mAir Canada

Wed 4/233:35 pmORD - EZE

2 stops20h 55mAir Canada

Deal found 4/1

$1,264

Thu 4/37:00 amAEP - ORD

1 stop32h 15mMultiple Airlines

Thu 4/242:50 pmORD - AEP

2 stops20h 10mMultiple Airlines

Deal found 4/1

$1,259

Fri 4/410:18 amEZE - ORD

2 stops30h 38mMultiple Airlines

Wed 4/232:35 pmORD - EZE

1 stop22h 45mMultiple Airlines

Deal found 4/1

$1,103

Sun 4/209:15 pmEZE - ORD

1 stop15h 50mAmerican Airlines

Tue 5/131:41 pmORD - EZE

1 stop15h 34mAmerican Airlines

Deal found 4/1

$1,405

Sun 5/111:40 amEZE - ORD

1 stop13h 35mAvianca

Mon 5/192:35 pmORD - EZE

1 stop13h 10mAvianca

Deal found 4/1

$1,087

Mon 5/1211:25 pmEZE - ORD

1 stop16h 39mAeromexico

Sun 5/181:55 amORD - EZE

1 stop17h 30mAeromexico

Deal found 4/1

$1,436

Thu 5/158:10 pmEZE - ORD

1 stop14h 19mDelta

Mon 5/195:58 pmORD - EZE

1 stop13h 47mDelta

Deal found 4/1

$1,257

Thu 5/2212:06 amEZE - ORD

1 stop15h 41mCopa Airlines

Wed 5/287:54 amORD - EZE

1 stop18h 15mCopa Airlines

Deal found 4/1

$1,395

Thu 5/223:40 amAEP - ORD

2 stops21h 08mGOL

Wed 5/282:42 pmORD - AEP

2 stops20h 18mGOL

Deal found 4/1

$2,293

Thu 5/2912:58 pmEZE - ORD

2 stops25h 22mLATAM Airlines

Thu 6/51:30 pmORD - EZE

2 stops26h 42mLATAM Airlines

Deal found 4/1

$1,369

Thu 5/293:40 pmAEP - ORD

2 stops22h 40mLATAM Airlines

Thu 6/59:39 amORD - AEP

2 stops27h 01mLATAM Airlines

Deal found 3/31

$1,477

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 April 2, 2025.

Thu 5/86:40 amEZE - ORD

2 stops32h 35mAvianca

Deal found 4/1

$428

Thu 5/810:20 amAEP - ORD

2 stops28h 55mMultiple Airlines

Deal found 4/1

$430

Thu 5/84:45 pmEZE - ORD

3 stops32h 47mMultiple Airlines

Deal found 4/1

$465

Sun 5/253:40 amAEP - ORD

2 stops37h 12mGOL

Deal found 3/31

$577

Mon 4/147:00 amAEP - ORD

1 stop32h 15mAvianca

Deal found 3/31

$589

Mon 5/264:35 pmEZE - ORD

2 stops24h 12mAir Canada

Deal found 4/1

$702

Tue 7/13:55 amEZE - ORD

2 stops22h 04mLATAM Airlines

Deal found 4/1

$802

Mon 5/261:30 pmAEP - ORD

2 stops22h 21mLATAM Airlines

Deal found 4/1

$802

Mon 7/78:10 pmEZE - ORD

1 stop15h 52mDelta

Deal found 3/31

$878

Wed 7/1610:00 pmEZE - ORD

1 stop25h 11mAmerican Airlines

Deal found 4/1

$941

Sun 7/1312:06 amEZE - ORD

1 stop15h 36mCopa Airlines

Deal found 4/1

$1,566

Sun 7/612:15 pmEZE - ORD

3 stops32h 45mBritish Airways

Deal found 3/31

$3,808

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

Mon 9/8

3:55 am-11:53 pm

2 stops21h 58m

Chicago O'Hare Intl

Mon 9/29

2:00 pm-5:13 pm

2 stops25h 13m

$1,064

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Tue 9/9

5:00 pm-1:18 pm

2 stops22h 18m

Chicago O'Hare Intl

Mon 9/29

11:00 am-4:00 pm

2 stops27h 00m

$1,064

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Tue 7/22

6:40 am-1:15 pm

2 stops32h 35m

Chicago O'Hare Intl

Mon 8/4

2:35 pm-4:25 am

2 stops35h 50m

$1,079

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Mon 9/15

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

$1,095

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Thu 8/21

8:10 pm-2:20 pm

1 stop20h 10m

Chicago O'Hare Intl

Sat 9/6

3:35 pm-9:45 am

1 stop16h 10m

$1,109

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Mon 9/15

4:35 pm-12:54 pm

2 stops22h 19m

Chicago O'Hare Intl

Wed 10/22

10:40 am-2:30 pm

3 stops25h 50m

$1,192

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Thu 7/10

7:00 am-2:25 pm

3 stops33h 25m

Chicago O'Hare Intl

Tue 8/5

5:25 pm-5:40 am

2 stops34h 15m

$1,206

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Wed 7/9

3:55 am-8:32 am

2 stops30h 37m

Chicago O'Hare Intl

Tue 8/5

2:35 pm-5:35 am

2 stops37h 00m

$1,207

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Fri 8/22

7:00 am-1:15 pm

1 stop32h 15m

Chicago O'Hare Intl

Sun 9/7

9:30 am-2:00 pm

2 stops26h 30m

$1,273

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Mon 9/15

10:05 am-12:22 am

1 stop16h 17m

Chicago O'Hare Intl

Fri 9/26

3:07 pm-8:16 am

1 stop15h 09m

$1,367

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 25 results

Compare providers for flights from Buenos Aires to O'Hare Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buenos Aires to O'Hare Intl in April.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*1 star
Expedia	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Buenos Aires-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Buenos Aires-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Buenos Aires-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Buenos Aires-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buenos Aires-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, Copa Airlines and LATAM 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

7,898 reviews

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

7,898 reviews

Delta

8.0

Very good

7,898 reviews

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

7.6

Good

1,400 reviews

Delta

8.0

Very good

7,898 reviews

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

1,754 reviews

Delta

8.0

Very good

7,898 reviews

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

7,898 reviews

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

GOL

7.3

Good

1,053 reviews

Delta

8.0

Very good

7,898 reviews

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

What are the cheapest airlines flying from Buenos Aires to Chicago O'Hare Intl Airport round-trip?
Currently priced at $1,064, LATAM Airlines will fly you from Buenos Aires to Chicago O'Hare Intl Airport and back. In addition to LATAM Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Avianca and Aeromexico - these airlines can fly you to your destination from $1,079 and $1,095, respectively. LATAM Airlines is priced at 23% 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 ($428), GOL ($577), and Air Canada ($702).
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

Schaumburg

Rosemont

Beloit

Racine

Hoffman Estates

Naperville

Rockford

Tinley Park

Skokie

Kenosha

Arlington Heights

Joliet

Orland Park

Merrillville

Northbrook

New Buffalo

Evanston

Waukegan

Elgin

Glenview

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Buenos Aires to O'Hare Intl

Airline	Cheapest	Average	Flexibility	On-time
Avianca	Cheapest$799	Average$1,100	FlexibilityNo cancel fee	On-time71%
American Airlines	Cheapest$928	Average$1,169	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$969	Average$1,241	FlexibilityNo cancel fee	On-timeN/A
Copa Airlines	Cheapest$1,007	Average$1,161	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$1,084	Average$1,394	FlexibilityNo cancel fee	On-time69%

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$428+ 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 5/8. 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

1. Tell us where you want to go

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Cheap flight deals from Buenos Aires to O'Hare Intl

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 April 2, 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 April 2, 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.

Compare providers for flights from Buenos Aires to O'Hare Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buenos Aires to O'Hare Intl in April.

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 April 2, 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, Copa Airlines and LATAM 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?

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Alternative routes for Buenos Aires to O'Hare Intl

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Top 5 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 April 2, 2025.