O'Hare Intl

$369+ 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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — ORD
Oct 16 — Oct 231
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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 September 16, 2025.

Round-trip from

$669
(American Airlines)

One-way from

$369
(Kiwi.com)

Popular in

March

Cheapest in

July

Average price

$1,192
From Buenos Aires (BUE) to Chicago O'Hare Intl
One-way flight from Buenos Aires (BUE) to Chicago O'Hare Intl
Highest demand for flights based on searches. 20% potential increase in price ($336 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($52 potential savings vs. average RT price).
Average for round-trip flights in September 2025

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 September 16, 2025.

This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/208:30 pmEZE - ORD
1 stop16h 33mAmerican Airlines
Mon 10/271:43 pmORD - EZE
1 stop19h 07mAmerican Airlines
Deal found 9/14$669
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/210:30 pmEZE - ORD
1 stop20h 16mAmerican Airlines
Thu 1/84:33 pmORD - EZE
1 stop15h 17mAmerican Airlines
Deal found 9/14$672
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3011:35 pmEZE - ORD
1 stop25h 00mAmerican Airlines
Thu 11/61:23 pmORD - EZE
1 stop15h 47mAmerican Airlines
Deal found 9/15$673
This Avianca deal was found by Cheapflights users on 9/14. 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.
Wed 10/151:40 amEZE - ORD
1 stop13h 35mAvianca
Thu 10/232:35 pmORD - EZE
1 stop13h 10mAvianca
Deal found 9/14$690
This Avianca deal was found by Cheapflights users on 9/14. 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.
Wed 10/11:40 amEZE - ORD
1 stop13h 35mAvianca
Sun 11/3010:20 pmORD - EZE
1 stop14h 30mAvianca
Deal found 9/14$692
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/28:10 pmEZE - ORD
1 stop18h 14mDelta
Sun 11/306:45 amORD - EZE
1 stop21h 35mDelta
Deal found 9/15$696
This OneTravel deal was found by Cheapflights users on 9/13. 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 OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/168:00 amEZE - ORD
2 stops17h 44mLATAM Airlines
Tue 1/611:19 amORD - EZE
2 stops19h 16mLATAM Airlines
Deal found 9/13$703
This LATAM Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/193:55 amEZE - ORD
2 stops22h 03mLATAM Airlines
Mon 10/279:42 amORD - EZE
2 stops18h 38mLATAM Airlines
Deal found 9/15$705
This LATAM Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:20 pmAEP - ORD
2 stops20h 57mLATAM Airlines
Mon 11/179:46 amORD - AEP
2 stops19h 09mLATAM Airlines
Deal found 9/14$705
This LATAM Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1812:48 pmEZE - ORD
2 stops30h 34mLATAM Airlines
Mon 12/19:46 amORD - EZE
2 stops17h 19mLATAM Airlines
Deal found 9/14$707
This LATAM Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/25:05 pmAEP - ORD
2 stops21h 19mLATAM Airlines
Tue 12/24:21 pmORD - AEP
2 stops20h 39mLATAM Airlines
Deal found 9/14$707
This SmartFares deal was found by Cheapflights users on 9/15. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1810:55 pmAEP - ORD
2 stops39h 23mLATAM Airlines
Sun 10/266:20 pmORD - AEP
3 stops23h 20mLATAM Airlines
Deal found 9/15$755

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 September 16, 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

Thu 10/16

9:15 pm-4:13 pm

1 stop20h 58m

Chicago O'Hare Intl

Thu 10/23

1:51 pm-7:25 am

1 stop15h 34m

$669

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Tue 10/7

9:15 pm-12:40 pm

1 stop17h 25m

Chicago O'Hare Intl

Thu 1/15

11:40 am-10:50 am

1 stop20h 10m

$671

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Sat 10/18

5:08 am-12:21 am

1 stop21h 13m

Chicago O'Hare Intl

Mon 12/1

6:55 am-4:10 am

1 stop18h 15m

$692

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Sun 11/2

3:57 am-12:05 am

1 stop23h 08m

Chicago O'Hare Intl

Mon 11/17

6:56 am-12:53 am

1 stop14h 57m

$692

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Wed 10/29

3:57 am-12:56 am

1 stop22h 59m

Chicago O'Hare Intl

Thu 11/6

6:56 am-4:10 am

1 stop18h 14m

$692

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Sat 11/1

3:57 am-1:05 am

1 stop23h 08m

Chicago O'Hare Intl

Tue 11/18

6:56 am-1:00 am

1 stop15h 04m

$692

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Thu 10/16

10:07 am-12:21 am

1 stop16h 14m

Chicago O'Hare Intl

Wed 10/29

7:59 am-1:00 am

1 stop15h 01m

$692

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Thu 10/2

8:10 pm-10:10 am

1 stop16h 00m

Chicago O'Hare Intl

Sun 11/30

1:09 pm-7:20 am

1 stop15h 11m

$696

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Sat 10/18

8:10 pm-8:32 am

1 stop14h 22m

Chicago O'Hare Intl

Sun 10/26

1:08 pm-10:15 am

1 stop19h 07m

$696

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Mon 11/3

8:55 pm-12:40 pm

2 stops18h 45m

Chicago O'Hare Intl

Mon 11/17

2:30 pm-9:00 am

2 stops15h 30m

$696

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 37 results
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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?

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 September 16, 2025.

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.

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 September 16, 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.

Comfort

7.4

Overall

7.6

Boarding

7.8

Entertainment

6.8

Food

6.8

Crew

8.1

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

Comfort

7.4

Overall

7.6

Boarding

7.8

Entertainment

6.8

Food

6.8

Crew

8.1

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

Comfort

7.4

Overall

7.6

Boarding

7.8

Entertainment

6.8

Food

6.8

Crew

8.1

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, Copa Airlines, and LATAM Airlines can get you from Buenos Aires to Chicago O'Hare Intl Airport in just under 20h 57m. Your travel time can differ by up to 16m. The distance from Buenos Aires to Chicago O'Hare Intl Airport is about 5605 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 $750, Copa Airlines will fly you from Buenos Aires to Chicago O'Hare Intl Airport and back. In addition to Copa Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Avianca and Delta - these airlines can fly you to your destination from $882 and $969, respectively. Copa Airlines is priced at 43% 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, 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

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
Gurnee
Hoffman Estates
Des Plaines
Elgin
Arlington Heights
Orland Park
Beloit
Racine
Rockford
Oak Brook
Elk Grove Village
Downers Grove
Naperville
Evanston
Merrillville
Bridgeview
Warrenville

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 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$750Average$1,217FlexibilityNo cancel feeOn-time70%
AviancaCheapest$882Average$1,140FlexibilityNo cancel feeOn-time71%
DeltaCheapest$969Average$1,241FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,015Average$1,278FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,084Average$1,385FlexibilityNo cancel feeOn-time69%

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