HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
O'Hare Intl

$345+ 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
BUE — ORD
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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

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 January 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$795
(Mytrip)

One-way from

$446
(Priceline)

Popular in

March

Cheapest in

June
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
High demand for flights, 4% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($44 potential savings vs. average RT price).
Search Deals

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 January 21, 2025.

This Priceline deal was found by Cheapflights users on 1/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/136:40 amEZE - ORD
2 stops32h 35mAvianca
Thu 5/222:35 pmORD - EZE
2 stops37h 00mAvianca
Deal found 1/21$772
This Mytrip deal was found by Cheapflights users on 1/21. 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.
Sun 3/233:40 pmEZE - ORD
3 stops33h 57mMultiple Airlines
Thu 4/32:35 pmORD - EZE
2 stops37h 00mMultiple Airlines
Deal found 1/21$795
This Mytrip deal was found by Cheapflights users on 1/21. 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.
Sun 3/238:55 amAEP - ORD
3 stops31h 43mMultiple Airlines
Thu 4/35:22 pmORD - AEP
3 stops34h 18mMultiple Airlines
Deal found 1/21$927
This Air Canada deal was found by Cheapflights users on 1/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/234:00 pmEZE - ORD
2 stops20h 54mAir Canada
Fri 4/43:35 pmORD - EZE
2 stops20h 55mAir Canada
Deal found 1/20$932
This American Airlines deal was found by Cheapflights users on 1/20. 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 8/49:15 pmEZE - ORD
1 stop22h 19mAmerican Airlines
Tue 9/211:33 amORD - EZE
1 stop20h 42mAmerican Airlines
Deal found 1/20$1,005
This LATAM Airlines deal was found by Cheapflights users on 1/20. 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 6/307:35 amEZE - ORD
2 stops18h 20mLATAM Airlines
Mon 7/143:35 pmORD - EZE
2 stops18h 13mLATAM Airlines
Deal found 1/20$1,064
This LATAM Airlines deal was found by Cheapflights users on 1/20. 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.
Tue 7/15:00 pmAEP - ORD
2 stops23h 20mLATAM Airlines
Thu 7/105:55 pmORD - AEP
2 stops20h 05mLATAM Airlines
Deal found 1/20$1,064
This Delta deal was found by Cheapflights users on 1/21. 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.
Wed 3/2610:25 pmEZE - ORD
2 stops21h 03mDelta
Fri 4/1811:19 amORD - EZE
1 stop20h 26mDelta
Deal found 1/21$1,119
This Trip.com deal was found by Cheapflights users on 1/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/1711:55 pmEZE - ORD
1 stop15h 51mAeromexico
Tue 3/252:01 amORD - EZE
1 stop17h 54mAeromexico
Deal found 1/21$1,177
This Copa Airlines deal was found by Cheapflights users on 1/21. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/113:58 amEZE - ORD
1 stop22h 29mCopa Airlines
Mon 3/247:55 amORD - EZE
1 stop15h 12mCopa Airlines
Deal found 1/21$1,234
This Air Canada deal was found by Cheapflights users on 1/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/261:35 pmAEP - ORD
2 stops23h 19mAir Canada
Fri 4/184:00 pmORD - AEP
2 stops23h 20mAir Canada
Deal found 1/21$1,561
This KAYAK deal was found by Cheapflights users on 1/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/173:40 amAEP - ORD
2 stops19h 35mGOL
Sat 6/2811:40 amORD - AEP
2 stops34h 00mGOL
Deal found 1/20$1,922

Find flights from Buenos Aires to O'Hare Intl within your budget

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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Sun 3/23

3:40 pm-11:37 pm

3 stops33h 57m

Chicago O'Hare Intl

Thu 4/3

2:35 pm-5:35 am

2 stops37h 00m

$795

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Tue 3/18

5:50 am-1:15 pm

2 stops33h 25m

Chicago O'Hare Intl

Tue 4/1

2:35 pm-5:35 am

2 stops37h 00m

$807

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Sun 3/23

8:55 am-2:38 pm

3 stops31h 43m

Chicago O'Hare Intl

Thu 4/3

5:22 pm-5:40 am

3 stops34h 18m

$927

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Wed 3/26

4:00 pm-10:54 am

2 stops20h 54m

Chicago O'Hare Intl

Fri 4/18

3:35 pm-2:30 pm

2 stops20h 55m

$931

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Mon 3/17

8:00 pm-10:51 am

1 stop16h 51m

Chicago O'Hare Intl

Wed 3/26

1:51 pm-7:45 am

1 stop15h 54m

$1,025

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Tue 5/20

12:48 pm-10:02 am

2 stops23h 14m

Chicago O'Hare Intl

Thu 6/19

1:16 pm-6:13 pm

2 stops26h 57m

$1,064

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Tue 7/1

5:00 pm-2:20 pm

2 stops23h 20m

Chicago O'Hare Intl

Thu 7/10

5:55 pm-4:00 pm

2 stops20h 05m

$1,064

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Wed 3/26

10:25 pm-4:15 pm

2 stops19h 50m

Chicago O'Hare Intl

Fri 4/18

5:25 pm-9:45 am

1 stop14h 20m

$1,119

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Mon 3/17

11:55 pm-12:12 pm

2 stops38h 17m

Chicago O'Hare Intl

Tue 3/25

2:01 am-9:55 pm

1 stop17h 54m

$1,178

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Thu 3/6

11:55 pm-12:13 pm

1 stop15h 18m

Chicago O'Hare Intl

Sun 3/16

7:30 am-6:20 am

1 stop20h 50m

$1,209

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 28 results
1
2
3

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 January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust 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.

Travel insights for flights from Buenos Aires to O'Hare Intl

Get recent, data-driven insights about flights from Buenos Aires to O'Hare Intl including ideal travel times, pricing trends, and more.

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 $320). 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 January 21, 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.

Rainfall in O'Hare Intl by month

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

Plan your trip to O'Hare Intl by taking into account the average temperature totals 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 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 January 21, 2025.
Get a feel of what it's like to fly with Air Canada 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
8,521 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Copa Airlines
7.7
Good
1,662 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

LATAM Airlines
7.5
Good
1,858 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Aeromexico
7.5
Good
1,849 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines
7.4
Good
8,984 reviews
Delta
8.0
Very good
8,521 reviews

Entertainment

7.9

Food

7.3

Boarding

8.2

Crew

8.6

Overall

8.0

Comfort

8.0

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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?

    Currently priced at $807, 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 Air Canada and American Airlines - these airlines can fly you to your destination from $931 and $1,025, respectively. Avianca is priced at 37% 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 ($446), GOL ($626), and Air Canada ($697).

  • 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 $320). 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 Buenos Aires?

Book flights to Buenos Aires if you plan to visit one of these locations
Naperville
Rosemont
Beloit
Racine
Hoffman Estates
Schaumburg
Rockford
Skokie
Tinley Park
Arlington Heights
Northbrook
Evanston
Des Plaines
Orland Park
Merrillville
Kenosha
Lake Geneva
New Buffalo
Gurnee
Willowbrook

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

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

Discover the top 4 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$890Average$1,241FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$928Average$1,183FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$1,007Average$1,161FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$1,084Average$1,394FlexibilityNo cancel feeOn-time69%
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.