HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Ministro Pistarini

$328+ Cheap flights from O'Hare Intl (ORD) to Ministro Pistarini (EZE)

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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — EZE
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from O'Hare Intl to Ministro Pistarini 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.

Cheapflights Tip: The best prices from Chicago O'Hare Intl to Buenos Aires Ministro Pistarini are usually found in September or November, booked 39 days in advance, depart on a Friday or Sunday and return on a Monday

Cheap flight deals from O'Hare Intl to Ministro Pistarini

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Ministro Pistarini (EZE). 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 August 14, 2025.

Round-trip from

$841
(Mytrip)

One-way from

$328
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,155
From Chicago O'Hare Intl to Buenos Aires Ministro Pistarini
Search Deals
One-way flight from Chicago O'Hare Intl to Buenos Aires Ministro Pistarini
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2025
Search Deals

Find flight deals from O'Hare Intl to Ministro Pistarini

Cheapest flights from O'Hare Intl to Ministro Pistarini
Explore the most affordable flight options available from O'Hare Intl to Ministro Pistarini. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Mytrip deal was found by Cheapflights users on 8/12. 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.
Sat 10/257:29 pmORD - EZE
2 stops28h 06mMultiple Airlines
Mon 11/104:55 pmEZE - ORD
3 stops31h 28mMultiple Airlines
Deal found 8/12$846
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Sun 12/73:30 amORD - EZE
1 stop13h 45mArajet
Sun 12/218:40 amEZE - ORD
1 stop15h 30mArajet
Deal found 8/12$848
This Booking.com deal was found by Cheapflights users on 8/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2610:20 pmORD - EZE
1 stop14h 30mMultiple Airlines
Tue 12/211:07 amEZE - ORD
1 stop14h 33mMultiple Airlines
Deal found 8/13$852
This Mytrip deal was found by Cheapflights users on 8/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/55:05 amORD - EZE
2 stops21h 55mMultiple Airlines
Tue 10/146:13 pmEZE - ORD
3 stops31h 32mMultiple Airlines
Deal found 8/13$854
This Mytrip deal was found by Cheapflights users on 8/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/16:10 amORD - EZE
2 stops17h 15mMultiple Airlines
Tue 9/304:45 pmEZE - ORD
2 stops18h 33mMultiple Airlines
Deal found 8/13$862
This Mytrip deal was found by Cheapflights users on 8/12. 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.
Sat 9/276:44 pmORD - EZE
2 stops28h 41mMultiple Airlines
Sat 10/44:45 pmEZE - ORD
2 stops18h 37mMultiple Airlines
Deal found 8/12$864
This Mytrip deal was found by Cheapflights users on 8/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/256:56 amORD - EZE
3 stops21h 14mMultiple Airlines
Tue 9/26:40 amEZE - ORD
3 stops28h 42mMultiple Airlines
Deal found 8/13$873
This Mytrip deal was found by Cheapflights users on 8/12. 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.
Mon 11/310:20 pmORD - EZE
1 stop14h 30mMultiple Airlines
Mon 11/104:55 pmEZE - ORD
2 stops31h 05mMultiple Airlines
Deal found 8/12$874
This Mytrip deal was found by Cheapflights users on 8/12. 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.
Wed 10/86:00 amORD - EZE
3 stops37h 40mMultiple Airlines
Wed 10/226:50 amEZE - ORD
2 stops28h 32mMultiple Airlines
Deal found 8/12$880
This Mytrip deal was found by Cheapflights users on 8/13. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/12:35 pmORD - EZE
1 stop13h 10mMultiple Airlines
Sun 9/212:30 amEZE - ORD
3 stops22h 18mMultiple Airlines
Deal found 8/13$881

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl to Ministro Pistarini 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 August 14, 2025.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport that are best for you.

Fly from

O'Hare Intl

Fly to

Ministro Pistarini

Route

Depart

Return

Price

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Sat 10/25

7:29 pm-1:35 am

2 stops28h 06m

Buenos Aires Ministro Pistarini

Mon 11/10

4:55 pm-9:23 pm

3 stops31h 28m

$846

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 10/20

6:00 am-12:10 am

3 stops40h 10m

Buenos Aires Ministro Pistarini

Thu 10/30

1:40 am-12:31 am

3 stops24h 51m

$851

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Sun 10/5

5:05 am-5:00 am

2 stops21h 55m

Buenos Aires Ministro Pistarini

Tue 10/14

6:13 pm-11:45 pm

3 stops31h 32m

$854

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Wed 9/10

6:44 pm-5:55 am

3 stops33h 11m

Buenos Aires Ministro Pistarini

Wed 9/17

6:35 pm-9:58 pm

3 stops29h 23m

$854

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 9/1

6:10 am-1:25 am

2 stops17h 15m

Buenos Aires Ministro Pistarini

Tue 9/30

4:45 pm-9:18 am

2 stops18h 33m

$862

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Sat 9/27

6:44 pm-1:25 am

2 stops28h 41m

Buenos Aires Ministro Pistarini

Sat 10/4

4:45 pm-9:22 am

2 stops18h 37m

$864

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 11/3

10:20 pm-3:50 pm

1 stop14h 30m

Buenos Aires Ministro Pistarini

Mon 11/10

4:55 pm-9:23 pm

3 stops31h 28m

$865

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Wed 9/24

6:30 am-6:10 am

3 stops21h 40m

Buenos Aires Ministro Pistarini

Fri 10/3

6:00 pm-9:58 pm

3 stops29h 58m

$876

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Fri 10/17

10:27 am-9:00 pm

3 stops32h 33m

$328

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 9/29

10:27 am-7:00 am

3 stops42h 33m

$339

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 15 results
1
2

Best time to book a flight from O'Hare Intl to Ministro Pistarini

Have a flexible travel schedule? Discover the best time to fly to Ministro Pistarini 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.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport

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

Use this chart to determine the optimal time to book a round-trip flight from O'Hare Intl to Ministro Pistarini. Price data was last updated on August 8, 2025.

Booking 39 days in advance of your planned departure date is, on average, the best time to get cheap flights from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, April is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport (average of $795). Flying from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport in December is currently the most expensive (average of $1,260). 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 EZE?

Find hourly flight availability from O'Hare Intl to Ministro Pistarini. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

It’s optimal to fly from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport in the evening. By choosing this option you can save up to 13% on the cost of your flight, compared to a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from O'Hare Intl to Ministro Pistarini. Price data was last updated on December 16, 2024.

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

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

Reviews of airlines servicing Ministro Pistarini

Get insights into the airlines that provide service to Ministro Pistarini. 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 Ministro Pistarini. Reviews last updated August 14, 2025.
Peruse reviews from past customers who have flown with Delta, Copa Airlines, and United Airlines from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Copa Airlines
7.5
Good
1,509 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,916 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Avianca
6.7
Okay
2,401 reviews
Delta
8.0
Very good
7,980 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Ministro Pistarini. 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 Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport round-trip?

    Copa Airlines, at $699, was found to be the cheapest airline from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport.Alternate airlines to your destination round-trip include Arajet and Avianca. Users have found that Copa Airlines is 40% cheaper than the other options available to this destination.

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

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

  • How can I find direct flights from O'Hare Intl to Ministro Pistarini?

    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 Ministro Pistarini.

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

    Yes. Cheapflights offers flight deals from O'Hare Intl to Ministro Pistarini 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 Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport?

    Currently, April is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport (average of $795). Flying from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport in December is currently the most expensive (average of $1,260). 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.

Alternative routes for O'Hare Intl to Ministro Pistarini

See prices for flight routes from nearby airports that may be better suited for you.
Midway to Ministro Pistarini flights

Top 6 airlines flying from O'Hare Intl to Ministro Pistarini

Discover the top 6 airlines that operate flights from O'Hare Intl to Ministro Pistarini. 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$699Average$1,089FlexibilityNo cancel feeOn-time70%
ArajetCheapest$736Average$867FlexibilityNo cancel feeOn-timeN/A
AviancaCheapest$753Average$1,175FlexibilityNo cancel feeOn-time71%
American AirlinesCheapest$1,015Average$1,235FlexibilityNo cancel feeOn-time71%
DeltaCheapest$1,023Average$1,207FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$1,093Average$1,231FlexibilityNo 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.