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O'Hare Intl

$335+ 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — ORD
déc. 13 — déc. 201
sam. 12/13
sam. 12/20
1 adult, Economy
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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 novembre 13, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/1511:00 amEZE - ORD
1 stop34h 36mMultiple Airlines
jeu. 1/154:31 pmORD - EZE
2 stops38h 04mMultiple Airlines
Deal found 11/11$792
This Avianca deal was found by Cheapflights users on 11/11. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 11/157:30 amEZE - ORD
1 stop15h 50mAvianca
lun. 11/178:50 amORD - EZE
2 stops18h 00mAvianca
Deal found 11/11$810
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 12/1411:00 amEZE - ORD
1 stop34h 36mMultiple Airlines
lun. 12/2912:39 pmORD - EZE
2 stops27h 36mMultiple Airlines
Deal found 11/12$816
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/111:55 pmEZE - ORD
2 stops41h 58mMultiple Airlines
jeu. 12/47:41 pmORD - EZE
1 stop20h 34mMultiple Airlines
Deal found 11/12$820
This Avianca deal was found by Cheapflights users on 11/10. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 11/131:40 amEZE - ORD
1 stop21h 40mAvianca
dim. 11/168:50 amORD - EZE
2 stops18h 00mAvianca
Deal found 11/10$829
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/1611:00 amEZE - ORD
1 stop34h 36mMultiple Airlines
mar. 1/139:14 amORD - EZE
1 stop21h 21mMultiple Airlines
Deal found 11/11$834
This Kiwi.com deal was found by Cheapflights users on 11/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/1611:00 amEZE - ORD
1 stop34h 36mMultiple Airlines
lun. 1/126:57 pmORD - EZE
1 stop21h 18mMultiple Airlines
Deal found 11/11$843
This Booking.com deal was found by Cheapflights users on 11/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 12/148:40 amEZE - ORD
1 stop15h 30mArajet
lun. 12/295:45 amORD - EZE
1 stop15h 20mArajet
Deal found 11/12$847
This Avianca deal was found by Cheapflights users on 11/11. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 11/157:00 amAEP - ORD
1 stop16h 20mAvianca
lun. 11/178:50 amORD - AEP
2 stops17h 50mAvianca
Deal found 11/11$870
This Avianca deal was found by Cheapflights users on 11/13. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/177:00 amAEP - ORD
1 stop16h 20mAvianca
mer. 11/198:50 amORD - AEP
2 stops17h 50mAvianca
Deal found 11/13$889
This Avianca deal was found by Cheapflights users on 11/10. 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 Avianca is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 11/147:00 amAEP - ORD
1 stop16h 20mAvianca
dim. 11/168:50 amORD - AEP
2 stops17h 50mAvianca
Deal found 11/10$892
This Mytrip deal was found by Cheapflights users on 11/12. 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.
dim. 12/142:30 pmAEP - ORD
2 stops32h 50mMultiple Airlines
lun. 12/295:45 amORD - AEP
2 stops22h 30mMultiple Airlines
Deal found 11/12$904

Cheap flight deals from Buenos Aires to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Buenos Aires (BUE) to O'Hare Intl (ORD). 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 novembre 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$790
(Orbitz)

One-way from

$335
(Kiwi.com)

Popular in

February

Cheapest in

January

Average price

$1,278
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 ($59 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($51 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Buenos Aires to O'Hare Intl 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 novembre 13, 2025.
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

Buenos Aires

Fly to

O'Hare Intl

Route

Depart

Return

Price

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

mar. 11/18

11:20 pm-6:09 pm

1 stop21h 49m

Chicago O'Hare Intl

mer. 12/3

2:40 pm-10:15 am

1 stop16h 35m

$897

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

dim. 12/14

1:40 am-8:20 pm

1 stop21h 40m

Chicago O'Hare Intl

jeu. 1/15

6:57 pm-3:40 am

3 stops29h 43m

$913

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

mer. 11/26

7:30 am-8:20 pm

1 stop15h 50m

Chicago O'Hare Intl

mer. 12/3

10:20 pm-3:50 pm

1 stop14h 30m

$921

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

lun. 11/17

3:57 am-12:05 am

1 stop23h 08m

Chicago O'Hare Intl

mer. 12/3

7:33 am-12:58 am

1 stop14h 25m

$935

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

dim. 12/21

11:55 pm-6:59 pm

1 stop22h 04m

Chicago O'Hare Intl

mar. 1/6

9:53 am-7:20 am

1 stop18h 27m

$942

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

jeu. 12/18

10:25 pm-12:43 pm

1 stop17h 18m

Chicago O'Hare Intl

lun. 1/5

6:50 am-7:20 am

2 stops21h 30m

$944

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

lun. 12/1

7:00 am-8:20 pm

1 stop16h 20m

Chicago O'Hare Intl

jeu. 12/4

8:45 am-5:40 am

2 stops17h 55m

$977

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

lun. 12/1

7:00 am-10:35 am

2 stops30h 35m

Chicago O'Hare Intl

jeu. 12/4

7:41 pm-7:30 am

2 stops32h 49m

$992

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

jeu. 1/15

5:45 am-11:22 am

3 stops32h 37m

Chicago O'Hare Intl

jeu. 1/29

7:15 am-3:30 pm

2 stops29h 15m

$1,067

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

dim. 12/28

9:30 pm-8:20 pm

2 stops25h 50m

Chicago O'Hare Intl

dim. 1/4

7:57 pm-7:30 am

3 stops32h 33m

$1,121

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 30 results
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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 November.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust 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.

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 novembre 13, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 25% on flights from Buenos Aires to Chicago O'Hare Intl Airport by exploring options for tickets in the morning.

How much does it cost to fly round-trip from Buenos Aires to Chicago O'Hare Intl Airport?

Reviews of airlines servicing O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated novembre 13, 2025.
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
1,565 reviews

Comfort

7.4

Crew

8.1

Food

6.9

Boarding

7.8

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
Copa Airlines
7.6
Good
1,565 reviews
Copa Airlines
7.6
Good
1,565 reviews

Comfort

7.4

Crew

8.1

Food

6.9

Boarding

7.8

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
American Airlines
7.2
Good
11,049 reviews
Copa Airlines
7.6
Good
1,565 reviews

Comfort

7.4

Crew

8.1

Food

6.9

Boarding

7.8

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip

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?

    American Airlines and Avianca can get you from Buenos Aires to Chicago O'Hare Intl Airport in just under 15h 50m. Your travel time can differ by up to 5h 59m. 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

Traveling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Skokie
Des Plaines
Gurnee
Hoffman Estates
Beloit
Delavan
Elgin
Oak Brook
Elk Grove Village
Downers Grove
Rockford
Naperville
Orland Park
Bridgeview
Warrenville
Waukegan
Aurora
Racine

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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.
Ministro Pistarini to O'Hare Intl flights
Cordoba to O'Hare Intl flights
Salta to O'Hare Intl flights

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

Discover the top 5 airlines that operate flights from Buenos Aires to O'Hare Intl. 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 novembre 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
AviancaCheapest$578Average$1,140FlexibilityNo cancel feeOn-time71%
American AirlinesCheapest$694Average$1,274FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$750Average$1,174FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$777Average$1,385FlexibilityNo cancel feeOn-time69%
DeltaCheapest$884Average$1,124FlexibilityNo cancel feeOn-timeN/A

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