How long is the flight from Buenos Aires to Chicago O'Hare Intl Airport?

Air Canada, American Airlines, and LATAM Airlines can get you from Buenos Aires to Chicago O'Hare Intl Airport in just under 17h 08m. Your travel time can differ by up to 24h 07m. The distance from Buenos Aires to Chicago O'Hare Intl Airport is about 5619 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

Currently priced at $578, 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 $694 and $750, respectively. Avianca is priced at 51% lower than the current average price of a flight leaving 3 months from now.

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.

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).

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 time of day to fly from BUE to ORD?

When flying from Buenos Aires to Chicago O'Hare Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Most accurate provider : When it comes to deals on Buenos Aires-Chicago O'Hare Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Buenos Aires-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

$361+ Flights from Buenos Aires to Chicago O'Hare Intl Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Buenos Aires to O'Hare Intl 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 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 December 27, 2025.

Fri 12/268:55 pmEZE - ORD

1 stop25h 00mDelta

Sun 1/115:30 amORD - EZE

1 stop24h 30mDelta

Deal found 12/26

$981

Fri 12/2611:55 pmEZE - ORD

1 stop20h 10mUnited Airlines

Sun 1/1112:45 pmORD - EZE

1 stop17h 35mUnited Airlines

Deal found 12/25

$990

Tue 12/3010:05 pmEZE - ORD

1 stop15h 57mUnited Airlines

Thu 1/14:00 pmORD - EZE

1 stop14h 20mUnited Airlines

Deal found 12/26

$1,091

Mon 12/292:40 amEZE - ORD

2 stops20h 40mAvianca

Thu 1/110:20 pmORD - EZE

1 stop14h 30mAvianca

Deal found 12/26

$1,172

Mon 12/292:40 amEZE - ORD

2 stops20h 40mMultiple Airlines

Thu 1/13:35 pmORD - EZE

2 stops20h 35mMultiple Airlines

Deal found 12/26

$1,215

Fri 12/264:45 pmEZE - ORD

3 stops53h 05mAir Canada

Sun 1/1110:00 amORD - EZE

2 stops26h 10mAir Canada

Deal found 12/26

$1,291

Sun 12/283:41 amEZE - ORD

1 stop23h 24mCopa Airlines

Sun 1/47:35 amORD - EZE

1 stop14h 29mCopa Airlines

Deal found 12/25

$1,298

Fri 12/267:00 amAEP - ORD

1 stop16h 20mAvianca

Sun 1/118:52 amORD - AEP

2 stops17h 48mAvianca

Deal found 12/25

$1,611

Mon 12/298:55 pmEZE - ORD

1 stop14h 52mLATAM Airlines

Sun 1/410:00 amORD - EZE

2 stops17h 05mLATAM Airlines

Deal found 12/26

$1,722

Fri 12/268:25 pmAEP - ORD

2 stops18h 27mLATAM Airlines

Sun 1/115:59 pmORD - AEP

2 stops17h 01mLATAM Airlines

Deal found 12/25

$1,803

Mon 12/297:00 amAEP - ORD

1 stop16h 20mMultiple Airlines

Sun 1/48:51 amORD - AEP

2 stops17h 49mMultiple Airlines

Deal found 12/26

$1,974

Mon 12/297:00 amAEP - ORD

1 stop16h 20mAvianca

Sun 1/48:51 amORD - AEP

2 stops17h 49mAvianca

Deal found 12/25

$2,350

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 December 27, 2025.

Fri 3/204:45 pmEZE - ORD

3 stops41h 15mAir Canada

Sun 4/1912:50 pmORD - EZE

2 stops23h 40mAir Canada

Deal found 12/25

$860

Fri 1/309:15 pmEZE - ORD

1 stop14h 42mMultiple Airlines

Fri 3/2711:20 pmORD - EZE

2 stops19h 40mMultiple Airlines

Deal found 12/25

$922

Tue 2/311:20 pmEZE - ORD

1 stop17h 08mAmerican Airlines

Wed 3/410:02 amORD - EZE

1 stop18h 13mAmerican Airlines

Deal found 12/25

$936

Thu 3/191:40 amEZE - ORD

1 stop21h 40mAvianca

Sun 4/192:35 pmORD - EZE

1 stop13h 10mAvianca

Deal found 12/25

$975

Wed 2/1810:25 pmEZE - ORD

2 stops22h 36mDelta

Sat 2/2810:35 amORD - EZE

2 stops19h 25mDelta

Deal found 12/27

$981

Tue 2/105:15 pmAEP - ORD

2 stops19h 50mLATAM Airlines

Tue 2/176:25 pmORD - AEP

2 stops18h 35mLATAM Airlines

Deal found 12/27

$1,289

Tue 2/1012:15 pmEZE - ORD

3 stops26h 07mMultiple Airlines

Tue 2/1710:20 pmORD - EZE

1 stop14h 30mMultiple Airlines

Deal found 12/27

$964

Sat 1/311:40 amEZE - ORD

1 stop21h 40mAvianca

Mon 2/28:52 amORD - EZE

2 stops17h 58mAvianca

Deal found 12/27

$978

Sun 2/87:00 amAEP - ORD

1 stop16h 20mMultiple Airlines

Sun 2/153:40 pmORD - AEP

2 stops57h 40mMultiple Airlines

Deal found 12/25

$1,141

Tue 2/35:15 pmAEP - ORD

2 stops22h 59mLATAM Airlines

Wed 3/49:52 amORD - AEP

2 stops19h 03mLATAM Airlines

Deal found 12/25

$1,295

Wed 3/117:00 amAEP - ORD

1 stop16h 20mAvianca

Wed 3/2511:20 pmORD - AEP

1 stop28h 20mAvianca

Deal found 12/27

$1,364

Sat 1/249:50 amAEP - ORD

3 stops39h 16mMultiple Airlines

Thu 3/267:00 amORD - AEP

3 stops59h 40mMultiple Airlines

Deal found 12/25

$1,291

Tue 2/37:00 amAEP - ORD

1 stop16h 20mAvianca

Wed 3/410:20 pmORD - AEP

1 stop28h 20mAvianca

Deal found 12/25

$1,422

Fri 1/307:00 amAEP - ORD

1 stop16h 20mMultiple Airlines

Fri 3/274:47 pmORD - AEP

2 stops21h 13mMultiple Airlines

Deal found 12/25

$1,294

Mon 2/912:20 pmAEP - ORD

1 stop35h 00mMultiple Airlines

Mon 2/169:18 amORD - AEP

2 stops20h 12mMultiple Airlines

Deal found 12/26

$1,401

Fri 1/307:00 amAEP - ORD

1 stop16h 20mMultiple Airlines

Sun 2/81:57 pmORD - AEP

2 stops17h 33mMultiple Airlines

Deal found 12/25

$1,402

Tue 2/37:00 amAEP - ORD

1 stop16h 20mMultiple Airlines

Wed 3/48:50 amORD - AEP

2 stops17h 50mMultiple Airlines

Deal found 12/25

$1,441

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 December 27, 2025 and is based on user searches.

Fri 12/268:55 pmEZE - ORD

1 stop25h 00mDelta

Sun 1/115:30 amORD - EZE

1 stop24h 30mDelta

Deal found 12/26

$981

Fri 12/2611:55 pmEZE - ORD

1 stop20h 10mUnited Airlines

Sun 1/1112:45 pmORD - EZE

1 stop17h 35mUnited Airlines

Deal found 12/25

$990

Sat 1/249:50 amAEP - ORD

3 stops39h 16mMultiple Airlines

Thu 3/267:00 amORD - AEP

3 stops59h 40mMultiple Airlines

Deal found 12/25

$1,291

Tue 1/275:35 amEZE - ORD

2 stops21h 11mMultiple Airlines

Sun 2/86:57 pmORD - EZE

1 stop21h 18mMultiple Airlines

Deal found 12/25

$999

Wed 1/283:15 pmEZE - ORD

1 stop20h 03mMultiple Airlines

Sun 2/85:25 amORD - EZE

2 stops24h 35mMultiple Airlines

Deal found 12/25

$869

Wed 1/281:40 amEZE - ORD

2 stops19h 49mMultiple Airlines

Sun 2/86:57 pmORD - EZE

1 stop21h 18mMultiple Airlines

Deal found 12/25

$1,040

Fri 1/309:15 pmEZE - ORD

1 stop14h 42mMultiple Airlines

Sun 2/85:25 amORD - EZE

2 stops38h 09mMultiple Airlines

Deal found 12/25

$779

Fri 1/309:15 pmEZE - ORD

1 stop14h 42mMultiple Airlines

Fri 3/2711:20 pmORD - EZE

2 stops19h 40mMultiple Airlines

Deal found 12/25

$922

Fri 1/308:45 pmEZE - ORD

1 stop20h 44mAmerican Airlines

Sun 2/811:56 amORD - EZE

1 stop17h 29mAmerican Airlines

Deal found 12/25

$936

Fri 1/305:16 amEZE - ORD

1 stop22h 08mCopa Airlines

Fri 3/278:34 amORD - EZE

1 stop14h 28mCopa Airlines

Deal found 12/25

$1,020

Fri 1/303:40 pmAEP - ORD

2 stops21h 33mLATAM Airlines

Fri 3/275:50 pmORD - AEP

2 stops18h 10mLATAM Airlines

Deal found 12/25

$1,225

Sat 1/315:35 amEZE - ORD

2 stops18h 28mMultiple Airlines

Sun 2/86:57 pmORD - EZE

1 stop21h 18mMultiple Airlines

Deal found 12/25

$1,023

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 December 27, 2025.

Wed 2/115:15 amAEP - ORD

2 stops45h 09mMultiple Airlines

Deal found 12/25

$361

Sun 2/88:40 amEZE - ORD

1 stop15h 30mArajet

Deal found 12/24

$370

Tue 2/105:15 amAEP - ORD

2 stops33h 07mMultiple Airlines

Deal found 12/25

$404

Thu 3/267:10 amEZE - ORD

3 stops42h 23mMultiple Airlines

Deal found 12/27

$410

Mon 2/96:20 pmAEP - ORD

3 stops30h 24mMultiple Airlines

Deal found 12/25

$415

Fri 2/65:15 amAEP - ORD

2 stops33h 07mMultiple Airlines

Deal found 12/25

$421

Sat 2/74:40 amAEP - ORD

2 stops30h 38mMultiple Airlines

Deal found 12/25

$433

Sat 2/79:45 pmAEP - ORD

2 stops26h 25mMultiple Airlines

Deal found 12/25

$452

Sun 2/84:55 pmEZE - ORD

2 stops24h 12mMultiple Airlines

Deal found 12/24

$457

Thu 2/53:55 pmAEP - ORD

2 stops31h 25mMultiple Airlines

Deal found 12/25

$470

Fri 2/65:00 amEZE - ORD

1 stop30h 57mHahn Air

Deal found 12/25

$503

Wed 1/141:40 amEZE - ORD

3 stops44h 58mMultiple Airlines

Deal found 12/25

$509

Find flight deals from Buenos Aires to O'Hare Intl

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$631 (eDestinos)
One-way from	$361 (Kiwi.com)
Popular in	February
Cheapest in	January
Average price	$899

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. 4% potential increase in price ($52 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($50 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

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

Fri 3/20

4:45 pm-8:00 am

3 stops41h 15m

Chicago O'Hare Intl

Sun 4/19

12:50 pm-2:30 pm

2 stops23h 40m

$860

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Fri 1/30

9:15 pm-8:57 am

1 stop14h 42m

Chicago O'Hare Intl

Fri 3/27

11:20 pm-9:00 pm

2 stops19h 40m

$922

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Tue 2/3

11:20 pm-1:28 pm

1 stop17h 08m

Chicago O'Hare Intl

Wed 3/4

10:02 am-7:15 am

1 stop18h 13m

$936

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Tue 2/10

12:15 pm-11:22 am

3 stops26h 07m

Chicago O'Hare Intl

Tue 2/17

10:20 pm-3:50 pm

1 stop14h 30m

$964

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Thu 3/19

1:40 am-9:20 pm

1 stop21h 40m

Chicago O'Hare Intl

Sun 4/19

2:35 pm-5:45 am

1 stop13h 10m

$975

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Sat 1/31

1:40 am-8:20 pm

1 stop21h 40m

Chicago O'Hare Intl

Mon 2/2

8:52 am-5:50 am

2 stops17h 58m

$978

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Wed 2/18

10:25 pm-6:01 pm

2 stops22h 36m

Chicago O'Hare Intl

Sat 2/28

10:35 am-9:00 am

2 stops19h 25m

$981

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Sun 2/8

7:00 am-8:20 pm

1 stop16h 20m

Chicago O'Hare Intl

Sun 2/15

3:40 pm-4:20 am

2 stops57h 40m

$1,141

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Tue 2/10

5:15 pm-10:05 am

2 stops19h 50m

Chicago O'Hare Intl

Tue 2/17

6:25 pm-4:00 pm

2 stops18h 35m

$1,289

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Sat 1/24

9:50 am-10:06 pm

3 stops39h 16m

Chicago O'Hare Intl

Thu 3/26

7:00 am-8:40 pm

3 stops59h 40m

$1,291

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/25

Showing 1-10 of 33 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 December.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Buenos Aires-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, January is the cheapest month in which you can book a flight from Buenos Aires to Chicago O'Hare Intl Airport (average of $514). Flying from Buenos Aires to Chicago O'Hare Intl Airport in February is currently the most expensive (average of $1,224). 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.

Reviews of airlines servicing O'Hare Intl

Read reviews from past customers who have flown Copa Airlines and American Airlines from Buenos Aires to Chicago O'Hare Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Copa Airlines

7.6

Good

1,561 reviews

Reviews

1 / 20

2.0

Mediocre

Juan,Dec 2025

EZE - PTY

The outbound flight from Boston was awful. The handicapped services were the worst i have ever seen. NEVER AGAIN. THIS WAS NOT WORTH ANYWHERE NEAR $4K.

Copa Airlines

7.6

Good

1,561 reviews

Copa Airlines

7.6

Good

1,561 reviews

Reviews

1 / 20

2.0

Mediocre

Juan,Dec 2025

EZE - PTY

The outbound flight from Boston was awful. The handicapped services were the worst i have ever seen. NEVER AGAIN. THIS WAS NOT WORTH ANYWHERE NEAR $4K.

American Airlines

7.2

Good

11,073 reviews

Copa Airlines

7.6

Good

1,561 reviews

Reviews

1 / 20

2.0

Mediocre

Juan,Dec 2025

EZE - PTY

The outbound flight from Boston was awful. The handicapped services were the worst i have ever seen. NEVER AGAIN. THIS WAS NOT WORTH ANYWHERE NEAR $4K.

Related info for your journey

How long is the flight from Buenos Aires to Chicago O'Hare Intl Airport?
Air Canada, American Airlines, and LATAM Airlines can get you from Buenos Aires to Chicago O'Hare Intl Airport in just under 17h 08m. Your travel time can differ by up to 24h 07m. The distance from Buenos Aires to Chicago O'Hare Intl Airport is about 5619 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines flying from Buenos Aires to Chicago O'Hare Intl Airport round-trip?
Currently priced at $578, 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 $694 and $750, respectively. Avianca is priced at 51% lower than the current average price of a flight leaving 3 months from now.
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, January is the cheapest month in which you can book a flight from Buenos Aires to Chicago O'Hare Intl Airport (average of $514). Flying from Buenos Aires to Chicago O'Hare Intl Airport in February is currently the most expensive (average of $1,224). 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

Gurnee

Elgin

Naperville

Hoffman Estates

Beloit

Delavan

Oak Brook

Downers Grove

Des Plaines

Elk Grove Village

Skokie

Lake Geneva

Bridgeview

Kenosha

Warrenville

Waukegan

Aurora

Evanston

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$578	Average$1,140	FlexibilityNo cancel fee	On-time71%
American Airlines	Cheapest$694	Average$1,270	FlexibilityNo cancel fee	On-time71%
Copa Airlines	Cheapest$750	Average$1,186	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$831	Average$1,347	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$884	Average$974	FlexibilityNo cancel fee	On-timeN/A

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.

$361+ 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 2/11. 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

2. Select your favorite providers

3. Compare prices and book

Cheap 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 December 27, 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 December 27, 2025.

Find 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

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 December.

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?

Reviews of airlines servicing O'Hare Intl

Read reviews from past customers who have flown Copa Airlines and American Airlines from Buenos Aires to Chicago O'Hare Intl Airport. Users can see the overall rating for each airline as well as how each is rated 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.

How long is the flight from Buenos Aires to Chicago O'Hare Intl Airport?

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

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 Chicago O'Hare Intl Airport?

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 O'Hare Intl

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

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

100% Free

Book with Flexibility

Travel Smart

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 December 27, 2025.