HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Buenos Aires

$322+ Cheap flights from O'Hare Intl (ORD) to Buenos Aires (BUE)

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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — BUE
nov. 5 — nov. 121
mar. 11/5
mar. 11/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from O'Hare Intl to Buenos Aires 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.

The best prices from Chicago O'Hare Intl to Buenos Aires are usually found in May or August, booked 89 days in advance, depart on a Tuesday or Thursday and return on a Wednesday

Cheap flight deals from O'Hare Intl to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Buenos Aires (BUE). 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 octubre 31, 2024.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Popular in

December

Cheapest in

May

Round-trip from

$703
(Orbitz)

One-way from

$322
(Mytrip)
Provider with most accurate pricing for Chicago O'Hare Intl-Buenos Aires (BUE) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Buenos Aires (BUE) flights.
Search Deals
High demand for flights, 16% potential price rise
Search Deals
Best time to find cheap flights, 13% potential price drop
Search Deals
From Chicago O'Hare Intl to Buenos Aires (BUE)
Search Deals
One-way flight from Chicago O'Hare Intl to Buenos Aires (BUE)
Search Deals

Find flight deals from O'Hare Intl to Buenos Aires

Cheapest flights from O'Hare Intl to Buenos Aires
Explore the most affordable flight options available from O'Hare Intl to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 31, 2024.

This Mytrip deal was found by Cheapflights users on 10/30. 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.
vie. 12/68:02 pmORD - EZE
2 stops31h 48mMultiple Airlines
vie. 12/134:55 pmEZE - ORD
2 stops29h 12mMultiple Airlines
Deal found 10/30$964
This Priceline deal was found by Cheapflights users on 10/31. 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.
mié. 11/201:35 pmORD - EZE
1 stop13h 30mAvianca
mié. 11/276:15 amEZE - ORD
3 stops33h 00mAvianca
Deal found 10/31$965
This Mytrip deal was found by Cheapflights users on 10/31. 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.
vie. 12/611:45 amORD - AEP
3 stops29h 55mMultiple Airlines
vie. 12/1311:45 amAEP - ORD
3 stops34h 22mMultiple Airlines
Deal found 10/31$1,004
This United deal was found by Cheapflights users on 10/31. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/47:35 amORD - EZE
1 stop22h 45mUnited Airlines
mié. 12/2511:55 pmEZE - ORD
1 stop20h 12mUnited Airlines
Deal found 10/31$1,069
This Delta deal was found by Cheapflights users on 10/30. 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.
jue. 11/1412:00 pmORD - EZE
1 stop18h 00mDelta
mié. 11/279:00 pmEZE - ORD
1 stop16h 01mDelta
Deal found 10/30$1,087
This Copa Airlines deal was found by Cheapflights users on 10/30. 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.
mar. 12/36:54 amORD - EZE
1 stop15h 09mCopa Airlines
lun. 12/163:53 amEZE - ORD
1 stop22h 28mCopa Airlines
Deal found 10/30$1,092
This LATAM Airlines deal was found by Cheapflights users on 10/31. 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.
mié. 11/131:50 pmORD - AEP
2 stops17h 40mLATAM Airlines
mié. 11/206:20 pmAEP - ORD
2 stops21h 43mLATAM Airlines
Deal found 10/31$1,094
This CheapOair deal was found by Cheapflights users on 10/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/237:05 amORD - EZE
2 stops32h 05mLATAM Airlines
mié. 2/123:55 amEZE - ORD
2 stops31h 30mLATAM Airlines
Deal found 10/29$1,122
This American Airlines deal was found by Cheapflights users on 10/30. 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.
vie. 11/11:16 pmORD - EZE
1 stop18h 09mAmerican Airlines
sáb. 12/79:00 pmEZE - ORD
1 stop23h 42mAmerican Airlines
Deal found 10/30$1,144
This Delta deal was found by Cheapflights users on 10/30. 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.
jue. 10/312:05 pmORD - AEP
2 stops20h 55mDelta
jue. 11/77:25 pmAEP - ORD
2 stops20h 02mDelta
Deal found 10/30$1,602

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

Customize your flight search to find flights from O'Hare Intl to Buenos Aires 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 2,570,725 searches. Data last updated octubre 31, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

vie. 11/15

1:35 pm-4:56 am

2 stops36h 21m

$322

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

vie. 11/15

8:23 pm-1:25 am

3 stops50h 02m

$341

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

mar. 11/26

3:00 pm-3:45 pm

2 stops45h 45m

$650

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

jue. 12/26

6:00 am-7:20 am

1 stop22h 20m

$727

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

mar. 11/26

3:35 pm-4:00 pm

2 stops21h 25m

$757

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

mié. 12/4

8:02 pm-8:40 am

3 stops33h 38m

$380

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

jue. 12/19

12:40 pm-7:15 am

1 stop15h 35m

$877

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

dom. 12/1

11:35 am-3:25 pm

3 stops24h 50m

$912

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

lun. 11/25

1:05 am-9:55 pm

1 stop17h 50m

$1,779

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

jue. 11/14

1:05 am-12:50 am

2 stops20h 45m

$2,014

Flights are sorted by cheapest first

Deals found on 10/31

Showing 1-10 of 20 results
1
2

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

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 O'Hare Intl to Buenos Aires in October.
ProviderPrice AccuracyTrust Score*Cancellation Policy
ExpediaPrice Accuracy1 starTrust Score*3 starsCancellation PolicyAirline Policy
AranGrantPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
eDreamsPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
FlightHubPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy

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

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from O'Hare Intl 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 O'Hare Intl to Buenos Aires

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

How far ahead should I book a flight from Chicago O'Hare Intl Airport to Buenos Aires?

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Buenos Aires. Price data was last updated on October 25, 2024.

The best time to book flights from Chicago O'Hare Intl Airport to Buenos Aires is 89 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Find deals

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Buenos Aires?

Currently, April is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Buenos Aires (average of $802). Flying from Chicago O'Hare Intl Airport to Buenos Aires in February is currently the most expensive (average of $1,165). 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 ORD to BUE?

Find hourly flight availability from O'Hare Intl to Buenos Aires. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 31, 2024.

It’s typically best to fly out from Chicago O'Hare Intl Airport to Buenos Aires in the afternoon. Doing so could potentially save you 23% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Chicago O'Hare Intl Airport to Buenos Aires?

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Buenos Aires. Price data was last updated on June 2, 2024.

Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Buenos Aires flight should consider departing on Wednesday mornings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Find deals

Rainfall in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Buenos Aires ranges from 2.0 - 3.9 inches per month. January is typically the wettest month, when rainfall can reach 3.9 in. June is typically the driest time to visit Buenos Aires when rainfall is around 2.0 in.

Temperature in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Buenos Aires, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Buenos Aires

Get insights into the airlines that provide service to Buenos Aires. 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 Buenos Aires. Reviews last updated octubre 31, 2024.
Get a feel of what it's like to fly with Avianca, Air Canada and LATAM Airlines from Chicago to Buenos Aires 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
8,835 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,835 reviews
Delta
8.0
Very good
8,835 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Copa Airlines
7.8
Good
1,885 reviews
Delta
8.0
Very good
8,835 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

LATAM Airlines
7.5
Good
1,980 reviews
Delta
8.0
Very good
8,835 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Aeromexico
7.5
Good
2,032 reviews
Delta
8.0
Very good
8,835 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
9,240 reviews
Delta
8.0
Very good
8,835 reviews

Boarding

8.2

Crew

8.5

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Buenos Aires. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Chicago O'Hare Intl Airport to Buenos Aires for under $800 on Cheapflights?

    Yes, there are multiple flights from Chicago O'Hare Intl Airport to Buenos Aires for under $800. The cheapest flight booked recently is on Avianca for just $703, but on average you can expect to pay $968.

  • Are there last-minute flights available from Chicago O'Hare Intl Airport to Buenos Aires for under $1,000?

    There are currently 12+ open flights from Chicago O'Hare Intl Airport to Buenos Aires within the next 7 days for less than $1,000.

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

    Cheapflights users have booked flights from Chicago O'Hare Intl Airport to Buenos Aires round-trip from $703. Other airlines that can offer you cheap pricing are Air Canada, from $849, and Copa Airlines, from $1,032. These flights start at 41% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Buenos Aires one-way?

    $322 is the cheapest one-way deal found within the past few days, from Avianca. You may also be able to find cheap deals on GOL and Delta, with prices starting from $650 and $727, respectively.

  • What does ORD to EZE mean?

    This is defined as Chicago O'Hare Intl Airport (ORD) and Buenos Aires Ministro Pistarini Airport (EZE). Codes like Buenos Aires Ministro Pistarini Airport are often used to just call airports uniquely. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Buenos Aires Jorge Newbery Airport (AEP).

  • Can I find deals for flights from O'Hare Intl to Buenos Aires that include extra baggage allowance?

    The amount of baggage you can bring on your O'Hare Intl to Buenos Aires flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from O'Hare Intl to Buenos Aires with specific airlines?

    Yes, Cheapflights allows you to browse and filter O'Hare Intl to Buenos Aires flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from O'Hare Intl to Buenos Aires that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Buenos Aires flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Buenos Aires?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Buenos Aires.

  • Can I find deals for business class flights from O'Hare Intl to Buenos Aires?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Buenos Aires by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from O'Hare Intl to Buenos Aires that allow pets onboard?

    Many airlines flying from O'Hare Intl to Buenos Aires offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from O'Hare Intl to Buenos Aires?

    Yes, you can often find last-minute deals on O'Hare Intl to Buenos Aires flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Chicago O'Hare Intl Airport to Buenos Aires flight deals updated?

    The Chicago O'Hare Intl Airport to Buenos Aires flight deals you see on this page were last updated on 10/31.

  • What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Buenos Aires?

    Currently, April is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Buenos Aires (average of $802). Flying from Chicago O'Hare Intl Airport to Buenos Aires in February is currently the most expensive (average of $1,165). 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

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.

Top 7 airlines flying from O'Hare Intl to Buenos Aires

Discover the top 7 airlines that operate flights from O'Hare Intl to Buenos Aires. 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 2,570,725 searches. Data last updated octubre 31, 2024.
AirlineCheapestAverageFlexibilityOn-time
Aerolineas ArgentinasCheapest$747Average$1,621FlexibilityNo cancel feeOn-time59%
DeltaCheapest$778Average$1,163FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$955Average$1,342FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$988Average$1,252FlexibilityNo cancel feeOn-time71%
Copa AirlinesCheapest$1,021Average$1,621FlexibilityNo cancel feeOn-time70%
AeromexicoCheapest$1,074Average$1,621FlexibilityNo cancel feeOn-timeN/A
LATAM AirlinesCheapest$1,197Average$1,621FlexibilityNo cancel feeOn-time81%
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.
View all available airlines