Cheap flights from O'Hare Intl (ORD) to Buenos Aires (BUE) from $291

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 8/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ORD — BUE
Jun 11 — Jun 181

The best prices from Chicago O'Hare Intl to Buenos Aires are usually found in September or May, booked 64 days in advance, depart on a Tuesday or Sunday and return on a Thursday

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 June 6, 2024.

Popular in

December

Cheapest in

September

Round-trip from

$791

One-way from

$662
High demand for flights, 34% potential price rise
Best time to find cheap flights, 17% potential price drop
From Chicago O'Hare Intl to Buenos Aires (BUE)
One-way flight from Chicago O'Hare Intl to Buenos Aires (BUE)

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

Thursday flights are found to be more expensive to fly from Chicago O'Hare Intl Airport to Buenos Aires. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Buenos Aires.

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

Find a great deal and save up to 14% by booking at least 43 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Chicago O'Hare Intl Airport to Buenos Aires within the next two weeks, with the cheapest ticket starting at $1,013.

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

Flights from Chicago O'Hare Intl Airport to Buenos Aires lean towards being more expensive in December. Prices are generally better when you fly from Chicago O'Hare Intl Airport to Buenos Aires in May, with the cheapest ticket starting at $758.

What is the cheapest time of day to fly from ORD to BUE?

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 27% on the flight price compared to flying in the morning, which is usually more expensive.

Cheap O'Hare Intl to Buenos Aires flights in June & July 2024

Find cheap flight options from O'Hare Intl to Buenos Aires specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Prices were last updated on June 6, 2024.
Scroll through some of the best deals on flights from Chicago to Buenos Aires in 2024. Check back soon for alternative fares.
Tue 7/96:00 amORD - AEP
3 stops27h 00mMultiple Airlines
Tue 7/2310:25 amAEP - ORD
3 stops34h 24mMultiple Airlines
Deal found 6/4$830
Wed 7/175:00 amORD - EZE
3 stops23h 25mMultiple Airlines
Wed 7/249:50 amEZE - ORD
3 stops25h 13mMultiple Airlines
Deal found 6/5$831
Tue 7/96:00 amORD - EZE
3 stops31h 50mMultiple Airlines
Tue 7/238:00 amEZE - ORD
3 stops36h 49mMultiple Airlines
Deal found 6/5$833
Tue 7/96:00 amORD - EZE
3 stops31h 50mMultiple Airlines
Mon 7/222:30 amEZE - ORD
2 stops21h 28mMultiple Airlines
Deal found 6/5$837
Tue 7/166:46 pmORD - EZE
3 stops33h 39mMultiple Airlines
Mon 7/228:00 amEZE - ORD
3 stops26h 36mMultiple Airlines
Deal found 6/4$863
Wed 7/175:00 amORD - EZE
2 stops22h 35mMultiple Airlines
Wed 7/249:50 amEZE - ORD
3 stops25h 13mMultiple Airlines
Deal found 6/5$865
Tue 7/165:00 amORD - AEP
3 stops33h 00mMultiple Airlines
Mon 7/2210:25 amAEP - ORD
3 stops24h 11mMultiple Airlines
Deal found 6/4$873
Tue 7/166:46 pmORD - EZE
3 stops31h 49mMultiple Airlines
Wed 7/319:50 amEZE - ORD
3 stops32h 50mMultiple Airlines
Deal found 6/6$881
Tue 7/96:00 amORD - EZE
3 stops31h 50mMultiple Airlines
Mon 7/221:40 amEZE - ORD
3 stops21h 18mMultiple Airlines
Deal found 6/5$894

O'Hare Intl to Buenos Aires 2024 flight deals

Discover exclusive flight deals for travel between O'Hare Intl and Buenos Aires in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
Scroll through some of the best deals on flights from Chicago to Buenos Aires in 2024. Check back soon for alternative fares.
Tue 8/208:30 amORD - EZE
2 stops19h 05mMultiple Airlines
Wed 8/211:40 amEZE - ORD
2 stops21h 00mMultiple Airlines
Deal found 6/5$789
Thu 8/296:50 amORD - EZE
3 stops38h 10mMultiple Airlines
Mon 9/28:00 amEZE - ORD
3 stops37h 18mMultiple Airlines
Deal found 6/5$794
Mon 8/195:10 pmORD - EZE
2 stops34h 25mMultiple Airlines
Wed 8/211:40 amEZE - ORD
2 stops21h 00mMultiple Airlines
Deal found 6/5$803
Tue 7/96:00 amORD - AEP
3 stops27h 00mMultiple Airlines
Tue 7/2310:25 amAEP - ORD
3 stops34h 24mMultiple Airlines
Deal found 6/4$830
Wed 7/175:00 amORD - EZE
3 stops23h 25mMultiple Airlines
Wed 7/249:50 amEZE - ORD
3 stops25h 13mMultiple Airlines
Deal found 6/5$831
Tue 7/96:00 amORD - EZE
3 stops31h 50mMultiple Airlines
Tue 7/238:00 amEZE - ORD
3 stops36h 49mMultiple Airlines
Deal found 6/5$833
Tue 7/96:00 amORD - EZE
3 stops31h 50mMultiple Airlines
Mon 7/222:30 amEZE - ORD
2 stops21h 28mMultiple Airlines
Deal found 6/5$837
Fri 9/610:55 amORD - EZE
2 stops25h 55mAir Canada
Thu 9/194:25 pmEZE - ORD
2 stops19h 29mAir Canada
Deal found 6/5$849
Tue 9/242:15 pmORD - EZE
2 stops22h 35mAir Canada
Sat 9/284:25 pmEZE - ORD
2 stops19h 29mAir Canada
Deal found 6/6$855

O'Hare Intl to Buenos Aires flights leaving soon

Find last-minute flight options from O'Hare Intl to Buenos Aires for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
Have a look at some of the flights available from Chicago to Buenos Aires departing last-minute. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Fri 6/144:00 pmORD - EZE
3 stops30h 05mMultiple Airlines
Sun 6/307:35 amEZE - ORD
2 stops28h 26mMultiple Airlines
Deal found 6/6$996
Fri 6/144:00 pmORD - EZE
3 stops30h 05mMultiple Airlines
Sun 6/307:35 amEZE - ORD
3 stops37h 30mMultiple Airlines
Deal found 6/6$1,004
Fri 6/144:00 pmORD - EZE
3 stops30h 05mMultiple Airlines
Sat 6/292:30 amEZE - ORD
3 stops35h 53mMultiple Airlines
Deal found 6/6$1,016
Fri 6/146:00 amORD - EZE
2 stops22h 50mMultiple Airlines
Sat 6/292:30 amEZE - ORD
3 stops35h 53mMultiple Airlines
Deal found 6/6$1,057
Fri 6/148:53 amORD - EZE
1 stop21h 07mUnited Airlines
Sat 6/229:00 pmEZE - ORD
1 stop15h 53mUnited Airlines
Deal found 6/5$1,064
Fri 6/1411:00 amORD - AEP
2 stops26h 20mLATAM Airlines
Sun 6/304:10 pmAEP - ORD
2 stops23h 03mLATAM Airlines
Deal found 6/6$1,064
Fri 6/144:05 pmORD - EZE
1 stop13h 55mUnited Airlines
Sun 6/309:00 pmEZE - ORD
1 stop15h 08mUnited Airlines
Deal found 6/6$1,134
Fri 6/142:10 pmORD - EZE
2 stops53h 00mAeromexico
Sat 6/2211:10 pmEZE - ORD
2 stops41h 10mAeromexico
Deal found 6/6$1,158
Fri 6/146:00 amORD - EZE
2 stops22h 50mMultiple Airlines
Sat 6/291:40 amEZE - ORD
2 stops25h 15mMultiple Airlines
Deal found 6/6$1,201

One-way flights to Buenos Aires from O'Hare Intl

Search for one-way flight options from O'Hare Intl to Buenos Aires. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,050,429 searches. Data last updated June 6, 2024.
If you're seeking multiple options on one-way flights from Chicago to Buenos Aires, be sure to check out these deals, which are updated often. Users needing a return flight from Chicago to Buenos Aires should utilize the search form above.
Wed 8/148:08 pmORD - EZE
3 stops29h 37mMultiple Airlines
Deal found 6/5$291
Wed 8/148:08 pmORD - AEP
3 stops34h 52mMultiple Airlines
Deal found 6/5$342
Wed 8/146:00 amORD - EZE
2 stops22h 50mMultiple Airlines
Deal found 6/5$351
Fri 7/126:00 amORD - EZE
3 stops31h 50mMultiple Airlines
Deal found 6/5$367
Sun 9/155:41 pmORD - EZE
3 stops35h 09mMultiple Airlines
Deal found 6/6$380
Fri 7/126:00 amORD - EZE
2 stops22h 50mMultiple Airlines
Deal found 6/5$396
Sun 9/154:20 pmORD - AEP
3 stops30h 30mMultiple Airlines
Deal found 6/6$420
Tue 6/186:40 pmORD - EZE
3 stops34h 10mMultiple Airlines
Deal found 6/5$425
Wed 7/36:16 pmORD - EZE
3 stops47h 14mMultiple Airlines
Deal found 6/5$427

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 3,050,429 searches. Data last updated June 6, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$789 - $1,191

Route

Depart

Return

Price

Chicago O'Hare IntlBuenos Aires Ministro Pistarini

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Tue 8/20

2 stops19h 05m

Buenos Aires Ministro Pistarini

Wed 8/21

2 stops21h 00m

$789

Chicago O'Hare IntlBuenos Aires Ministro Pistarini

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Fri 9/6

2 stops25h 55m

Buenos Aires Ministro Pistarini

Thu 9/19

2 stops19h 29m

$849

Chicago O'Hare IntlBuenos Aires Ministro Pistarini

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Tue 11/19

1 stop20h 00m

Buenos Aires Ministro Pistarini

Tue 11/26

1 stop18h 09m

$1,014

Chicago O'Hare IntlBuenos Aires Jorge Newbery

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Mon 7/8

2 stops25h 38m

Buenos Aires Jorge Newbery

Wed 7/31

2 stops24h 22m

$1,014

Chicago O'Hare IntlBuenos Aires Ministro Pistarini

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Wed 7/10

2 stops17h 19m

Buenos Aires Ministro Pistarini

Mon 7/22

1 stop22h 04m

$1,018

Chicago O'Hare IntlBuenos Aires Ministro Pistarini

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 9/2

1 stop21h 51m

Buenos Aires Ministro Pistarini

Sun 9/15

1 stop23h 44m

$1,022

Chicago O'Hare IntlBuenos Aires Ministro Pistarini

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Tue 7/9

1 stop21h 15m

Buenos Aires Ministro Pistarini

Wed 7/31

1 stop36h 48m

$1,024

Chicago O'Hare IntlBuenos Aires Ministro Pistarini

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 12/2

1 stop26h 52m

Buenos Aires Ministro Pistarini

Thu 12/12

1 stop16h 04m

$1,107

Chicago O'Hare IntlBuenos Aires Ministro Pistarini

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Fri 8/9

3 stops30h 05m

Buenos Aires Ministro Pistarini

Sat 8/17

3 stops34h 00m

$1,191

Flights are sorted by cheapest first

Deals found on 6/5

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 May 31, 2024.
The best time to book flights from Chicago O'Hare Intl Airport to Buenos Aires is 64 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.
Search Deals

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.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Chicago O'Hare Intl Airport to Buenos Aires flight should consider departing on Saturday evenings 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.
Search Deals

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.

Temperature and rainfall in Buenos Aires by month

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

BUE

Temperature

51.8 - 77 °F

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 June 6, 2024.
Get a feel of what it's like to fly with Delta, United Airlines and Avianca 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.
8.0
Very good
10,368 reviews

Food

7.4

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Crew

8.6

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

8.0
Very good
10,368 reviews
8.0
Very good
10,368 reviews

Food

7.4

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Crew

8.6

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

8.0
Very good
2,561 reviews
8.0
Very good
10,368 reviews

Food

7.4

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Crew

8.6

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.9
Good
991 reviews
8.0
Very good
10,368 reviews

Food

7.4

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Crew

8.6

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.6
Good
2,447 reviews
8.0
Very good
10,368 reviews

Food

7.4

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Crew

8.6

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

7.5
Good
2,322 reviews
8.0
Very good
10,368 reviews

Food

7.4

Entertainment

8.0

Comfort

7.9

Boarding

8.2

Crew

8.6

Overall

8.0

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

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 Multiple Airlines for just $789, but on average you can expect to pay $865.

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

    There are currently 20+ open flights from Chicago O'Hare Intl Airport to Buenos Aires within the next 7 days for less than $1,000.

  • What is the cheapest airline to fly 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 $849. This flight start at 27% 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?

    $589 is the cheapest one-way deal found within the past few days, from Air Canada. You may also be able to find cheap deals on American Airlines and LATAM Airlines, with prices starting from $697 and $699, 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 6/6.

  • What are the most popular airlines that fly from Chicago O'Hare Intl Airport to Buenos Aires?

  • 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 $793). Flying from Chicago O'Hare Intl Airport to Buenos Aires in December is currently the most expensive (average of $1,145). 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

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Top 8 airlines flying from O'Hare Intl to Buenos Aires

Discover the top 8 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 3,050,429 searches. Data last updated June 6, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$870Average$1,163FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$908Average$1,187FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$949Average$1,263FlexibilityNo cancel feeOn-time69%
Copa AirlinesCheapest$1,011Average$1,621FlexibilityNo cancel feeOn-time70%
Air CanadaCheapest$1,057Average$1,284FlexibilityNo cancel feeOn-time67%
AeromexicoCheapest$1,059Average$1,621FlexibilityNo cancel feeOn-timeN/A
Aerolineas ArgentinasCheapest$1,251Average$1,621FlexibilityNo cancel feeOn-time59%
LATAM AirlinesCheapest$1,409Average$1,621FlexibilityNo cancel feeOn-time81%

Search flights from O'Hare Intl to Buenos Aires by cabin class

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