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Cheap flights from Chicago O'Hare Intl Airport to Buenos Aires from $283

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Buenos Aires departing on 6/3. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Chicago O'Hare Intl Airport to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:05 am - 9:16 am
ORD
-
EZE
25h 11m
2 stops
Multiple Airlines Logo
6:10 am - 12:24 am
EZE
-
ORD
44h 14m
3 stops
$858Multiple Airlines
Fri, Apr 10 - Thu, Apr 23
Multiple Airlines Logo
5:05 am - 5:00 am
ORD
-
EZE
21h 55m
3 stops
Multiple Airlines Logo
4:50 pm - 12:24 am
EZE
-
ORD
33h 34m
2 stops
$860Multiple Airlines
Mon, Apr 13 - Mon, Apr 20
Arajet Logo
6:45 am - 3:23 am
ORD
-
EZE
18h 38m
2 stops
Arajet Logo
11:00 am - 11:40 pm
EZE
-
ORD
14h 40m
1 stop
$865Arajet
Fri, Aug 14 - Thu, Aug 20
Multiple Airlines Logo
5:05 am - 3:40 pm
ORD
-
EZE
32h 35m
3 stops
Multiple Airlines Logo
7:35 am - 1:05 pm
EZE
-
ORD
31h 30m
3 stops
$866Multiple Airlines
Sun, Apr 12 - Wed, Apr 22
Multiple Airlines Logo
12:12 pm - 4:10 am
ORD
-
EZE
13h 58m
1 stop
Multiple Airlines Logo
12:15 pm - 9:20 pm
EZE
-
ORD
35h 05m
2 stops
$869Multiple Airlines
Sat, Apr 11 - Tue, Apr 28
Multiple Airlines Logo
5:05 am - 3:40 pm
ORD
-
EZE
32h 35m
3 stops
Multiple Airlines Logo
9:15 pm - 11:40 pm
EZE
-
ORD
28h 25m
1 stop
$871Multiple Airlines
Sun, Apr 12 - Wed, Apr 22
Multiple Airlines Logo
6:05 am - 4:10 am
ORD
-
EZE
20h 05m
2 stops
Multiple Airlines Logo
12:15 pm - 9:20 pm
EZE
-
ORD
35h 05m
2 stops
$872Multiple Airlines
Sat, Apr 11 - Tue, Apr 28
Multiple Airlines Logo
7:00 am - 8:15 pm
ORD
-
EZE
35h 15m
1 stop
Multiple Airlines Logo
9:15 pm - 11:59 pm
EZE
-
ORD
28h 44m
2 stops
$874Multiple Airlines
Sun, Apr 12 - Wed, Apr 22
Multiple Airlines Logo
2:35 am - 5:40 am
ORD
-
EZE
25h 05m
3 stops
Multiple Airlines Logo
4:50 pm - 11:15 pm
EZE
-
ORD
32h 25m
2 stops
$875Multiple Airlines
Sun, May 3 - Tue, May 12
LATAM Airlines Logo
2:59 pm - 11:30 am
ORD
-
EZE
18h 31m
2 stops
LATAM Airlines Logo
1:10 pm - 10:16 am
EZE
-
ORD
23h 06m
2 stops
$876LATAM Airlines
Thu, May 21 - Wed, May 27

Copa Airlines flights from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport

Our best Copa Airlines deals on Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport flight tickets
Copa Airlines
Apr 7
ORD8:06 amChicago O'Hare Intl
16h 24m
1 stop
EZE2:30 amBuenos Aires Ministro Pistarini
Apr 20
EZE5:34 amBuenos Aires Ministro Pistarini
21h 39m
1 stop
ORD1:13 amChicago O'Hare Intl
$895
Copa Airlines
May 29
ORD8:02 amChicago O'Hare Intl
16h 28m
1 stop
EZE2:30 amBuenos Aires Ministro Pistarini
Jun 8
EZE2:49 pmBuenos Aires Ministro Pistarini
25h 17m
1 stop
ORD2:06 pmChicago O'Hare Intl
$920
Copa Airlines
Apr 6
ORD3:05 pmChicago O'Hare Intl
29h 20m
1 stop
EZE10:25 pmBuenos Aires Ministro Pistarini
Apr 13
EZE2:57 pmBuenos Aires Ministro Pistarini
24h 53m
1 stop
ORD1:50 pmChicago O'Hare Intl
$966

Avianca flights from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport

Our best Avianca deals on Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport flight tickets
Avianca
May 10
ORD11:20 pmChicago O'Hare Intl
14h 20m
1 stop
EZE3:40 pmBuenos Aires Ministro Pistarini
May 17
EZE7:10 amBuenos Aires Ministro Pistarini
16h 10m
1 stop
ORD9:20 pmChicago O'Hare Intl
$885
Avianca
May 7
ORD11:20 pmChicago O'Hare Intl
14h 20m
1 stop
EZE3:40 pmBuenos Aires Ministro Pistarini
May 11
EZE7:10 amBuenos Aires Ministro Pistarini
16h 10m
1 stop
ORD9:20 pmChicago O'Hare Intl
$892
Avianca
Apr 28
ORD11:20 pmChicago O'Hare Intl
28h 20m
1 stop
EZE5:40 amBuenos Aires Ministro Pistarini
May 19
EZE7:10 amBuenos Aires Ministro Pistarini
16h 10m
1 stop
ORD9:20 pmChicago O'Hare Intl
$914

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport 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, momondo users made 832,500 searches. Data last updated March 28, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Fri 4/10

6:05 am-9:16 am

2 stops25h 11m

Buenos Aires Ministro Pistarini

Thu 4/23

6:10 am-12:24 am

3 stops44h 14m

$858

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 4/13

5:05 am-5:00 am

3 stops21h 55m

Buenos Aires Ministro Pistarini

Mon 4/20

4:50 pm-12:24 am

2 stops33h 34m

$860
Quickest round-trip

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Fri 8/14

6:45 am-3:23 am

2 stops18h 38m

Buenos Aires Ministro Pistarini

Thu 8/20

11:00 am-11:40 pm

1 stop14h 40m

$865

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Sun 4/12

5:05 am-3:40 pm

3 stops32h 35m

Buenos Aires Ministro Pistarini

Wed 4/22

7:35 am-1:05 pm

3 stops31h 30m

$866

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Sat 4/11

12:12 pm-4:10 am

1 stop13h 58m

Buenos Aires Ministro Pistarini

Tue 4/28

12:15 pm-9:20 pm

2 stops35h 05m

$869

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Sun 4/12

5:05 am-3:40 pm

3 stops32h 35m

Buenos Aires Ministro Pistarini

Wed 4/22

9:15 pm-11:40 pm

1 stop28h 25m

$871

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Sat 4/11

6:05 am-4:10 am

2 stops20h 05m

Buenos Aires Ministro Pistarini

Tue 4/28

12:15 pm-9:20 pm

2 stops35h 05m

$872

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Sun 4/12

7:00 am-8:15 pm

1 stop35h 15m

Buenos Aires Ministro Pistarini

Wed 4/22

9:15 pm-11:59 pm

2 stops28h 44m

$874

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Sun 5/3

2:35 am-5:40 am

3 stops25h 05m

Buenos Aires Ministro Pistarini

Tue 5/12

4:50 pm-11:15 pm

2 stops32h 25m

$875

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Thu 5/21

2:59 pm-11:30 am

2 stops18h 31m

Buenos Aires Ministro Pistarini

Wed 5/27

1:10 pm-10:16 am

2 stops23h 06m

$876

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Buenos Aires from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Chicago O'Hare Intl Airport and Buenos Aires Ministro Pistarini Airport?

What is the cheapest month to fly to Buenos Aires Ministro Pistarini Airport?

If you aren’t able to travel during the month of November, then book flights to Buenos Aires Ministro Pistarini Airport from Chicago O'Hare Intl Airport during October instead. Flights to Buenos Aires Ministro Pistarini Airport in October, while not as cheap as those in November, still average around $1,030.

How far in advance should I book a flight to Buenos Aires Ministro Pistarini Airport?

You are more likely to see cheaper flights to Buenos Aires Ministro Pistarini Airport from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires Ministro Pistarini Airport for around $1,123 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires Ministro Pistarini Airport from Chicago O'Hare Intl Airport for as low as $760 on momondo.

Can stopping save me money on Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport flights?

You could potentially save up to 40% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport flight.

How have Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport flight prices changed over time?

As of March 2026, prices for Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport flights are approximately 2% more expensive when compared to flights at the same time last year.

When to book flights from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport (ORD to EZE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport

Fastest flight time

13h 45m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport takes 13h 45m
There are no direct flights from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport. There are no popular flight routes from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport.
Search flight deals

  • How far is Chicago O'Hare Intl to Buenos Aires Ministro Pistarini by plane?

    Buenos Aires Ministro Pistarini is 5618.9 mi away from Chicago O'Hare Intl. Typically, this will take 13h 45m by plane in normal conditions.

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport?

    Prices for flights from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport.

  • What documentation or ID do you need to fly to Buenos Aires Ministro Pistarini Airport?

    The required travel and health documents for your Buenos Aires Ministro Pistarini Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buenos Aires Ministro Pistarini Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport?

Best airlines flying from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport with momondo
Airline
Rating
Free Cancellation
Price
ArajetPriceFrom $360Free CancellationRating
6.5
47 reviews
Search Arajet flights
Copa AirlinesPriceFrom $569Free CancellationRating
7.5
1,577 reviews
Search Copa Airlines flights
LATAM AirlinesPriceFrom $727Free CancellationRating
7.4
1,904 reviews
Search LATAM Airlines flights
AviancaPriceFrom $750Free CancellationRating
6.5
2,506 reviews
Search Avianca flights
DeltaPriceFrom $951Free CancellationRating
7.9
8,357 reviews
Search Delta flights
United AirlinesPriceFrom $951Free CancellationRating
7.4
9,501 reviews
Search United Airlines flights
American AirlinesPriceFrom $1,015Free CancellationRating
7.1
11,520 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Buenos Aires?

Finding the right flight to Buenos Aires from Chicago is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Buenos Aires quick and easy, saving you time and money.

Can I find flights from Chicago to Buenos Aires with flexible booking policies on momondo?

Yes. All flights to Buenos Aires from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Chicago to Buenos Aires?

Once you have performed a search for Chicago to Buenos Aires flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Chicago to Buenos Aires right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Chicago to Buenos Aires now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Buenos Aires and let you know when they change.

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