Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Chicago O'Hare Intl Airport to Buenos Aires from $325

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 6/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

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.
LATAM Airlines Logo
3:22 pm - 9:20 am
ORD
-
EZE
15h 58m
2 stops
LATAM Airlines Logo
10:40 pm - 5:49 pm
EZE
-
ORD
21h 09m
2 stops
$857LATAM Airlines
Mon, Jun 8 - Mon, Jun 22
Multiple Airlines Logo
4:30 am - 8:15 pm
ORD
-
EZE
13h 45m
1 stop
Multiple Airlines Logo
1:10 pm - 11:56 pm
EZE
-
ORD
36h 46m
1 stop
$858Multiple Airlines
Mon, May 4 - Thu, May 7
Arajet Logo
4:30 am - 8:15 pm
ORD
-
EZE
13h 45m
1 stop
Arajet Logo
9:15 pm - 11:12 am
EZE
-
ORD
15h 57m
1 stop
$859Arajet
Mon, Jul 13 - Fri, Aug 14
Multiple Airlines Logo
7:10 am - 10:00 am
ORD
-
EZE
24h 50m
2 stops
Multiple Airlines Logo
11:00 am - 11:40 pm
EZE
-
ORD
14h 40m
1 stop
$862Multiple Airlines
Mon, Jul 13 - Thu, Aug 13
Multiple Airlines Logo
9:20 am - 8:15 am
ORD
-
EZE
20h 55m
2 stops
Multiple Airlines Logo
5:00 am - 11:56 pm
EZE
-
ORD
20h 56m
2 stops
$867Multiple Airlines
Mon, May 4 - Thu, May 7
Multiple Airlines Logo
3:21 pm - 4:31 am
ORD
-
EZE
35h 10m
1 stop
Multiple Airlines Logo
7:45 am - 11:40 pm
EZE
-
ORD
17h 55m
1 stop
$871Multiple Airlines
Thu, May 21 - Thu, Jun 4
LATAM Airlines Logo
3:22 pm - 9:20 am
ORD
-
EZE
15h 58m
2 stops
LATAM Airlines Logo
10:40 pm - 5:49 pm
EZE
-
ORD
21h 09m
2 stops
$876LATAM Airlines
Mon, Jun 8 - Mon, Jun 22
Multiple Airlines Logo
4:30 am - 8:15 pm
ORD
-
EZE
13h 45m
1 stop
Multiple Airlines Logo
4:45 am - 12:03 pm
EZE
-
ORD
33h 18m
2 stops
$877Multiple Airlines
Mon, Jul 13 - Wed, Aug 12
Multiple Airlines Logo
8:59 pm - 3:23 am
ORD
-
EZE
28h 24m
3 stops
Multiple Airlines Logo
5:00 am - 11:56 pm
EZE
-
ORD
20h 56m
2 stops
$878Multiple Airlines
Thu, Jun 4 - Thu, Jun 11
LATAM Airlines Logo
2:59 pm - 9:20 am
ORD
-
EZE
16h 21m
2 stops
LATAM Airlines Logo
8:10 pm - 10:16 am
EZE
-
ORD
16h 06m
1 stop
$880LATAM Airlines
Thu, May 7 - Mon, May 11

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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

Our best LATAM Airlines deals on Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport flight tickets
LATAM Airlines
Jun 8
ORD3:22 pmChicago O'Hare Intl
15h 58m
2 stops
EZE9:20 amBuenos Aires Ministro Pistarini
Jun 22
EZE10:40 pmBuenos Aires Ministro Pistarini
21h 09m
2 stops
ORD5:49 pmChicago O'Hare Intl
$857
LATAM Airlines
Sep 9
ORD1:15 pmChicago O'Hare Intl
18h 05m
2 stops
EZE9:20 amBuenos Aires Ministro Pistarini
Sep 21
EZE8:10 pmBuenos Aires Ministro Pistarini
14h 24m
1 stop
ORD8:34 amChicago O'Hare Intl
$876
LATAM Airlines
May 7
ORD2:59 pmChicago O'Hare Intl
16h 21m
2 stops
EZE9:20 amBuenos Aires Ministro Pistarini
May 11
EZE8:10 pmBuenos Aires Ministro Pistarini
16h 06m
1 stop
ORD10:16 amChicago O'Hare Intl
$880

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

Our best Arajet deals on Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport flight tickets
Arajet
Jul 13
ORD4:30 amChicago O'Hare Intl
13h 45m
1 stop
EZE8:15 pmBuenos Aires Ministro Pistarini
Aug 14
EZE9:15 pmBuenos Aires Ministro Pistarini
15h 57m
1 stop
ORD11:12 amChicago O'Hare Intl
$859
Arajet
Oct 3
ORD12:12 pmChicago O'Hare Intl
13h 58m
1 stop
EZE4:10 amBuenos Aires Ministro Pistarini
Dec 9
EZE9:15 pmBuenos Aires Ministro Pistarini
28h 25m
1 stop
ORD10:40 pmChicago O'Hare Intl
$866
Arajet
Oct 2
ORD6:45 amChicago O'Hare Intl
24h 31m
1 stop
EZE9:16 amBuenos Aires Ministro Pistarini
Oct 18
EZE8:40 amBuenos Aires Ministro Pistarini
15h 30m
1 stop
ORD10:10 pmChicago O'Hare Intl
$938

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 April 23, 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

Mon 6/8

3:22 pm-9:20 am

2 stops15h 58m

Buenos Aires Ministro Pistarini

Mon 6/22

10:40 pm-5:49 pm

2 stops21h 09m

$857

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 5/4

4:30 am-8:15 pm

1 stop13h 45m

Buenos Aires Ministro Pistarini

Thu 5/7

1:10 pm-11:56 pm

1 stop36h 46m

$858
Quickest round-trip

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 7/13

4:30 am-8:15 pm

1 stop13h 45m

Buenos Aires Ministro Pistarini

Fri 8/14

9:15 pm-11:12 am

1 stop15h 57m

$859

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 7/13

7:10 am-10:00 am

2 stops24h 50m

Buenos Aires Ministro Pistarini

Thu 8/13

11:00 am-11:40 pm

1 stop14h 40m

$862

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 5/4

9:20 am-8:15 am

2 stops20h 55m

Buenos Aires Ministro Pistarini

Thu 5/7

5:00 am-11:56 pm

2 stops20h 56m

$867

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Thu 5/21

3:21 pm-4:31 am

1 stop35h 10m

Buenos Aires Ministro Pistarini

Thu 6/4

7:45 am-11:40 pm

1 stop17h 55m

$871

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 6/8

3:22 pm-9:20 am

2 stops15h 58m

Buenos Aires Ministro Pistarini

Mon 6/22

10:40 pm-5:49 pm

2 stops21h 09m

$876

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 7/13

4:30 am-8:15 pm

1 stop13h 45m

Buenos Aires Ministro Pistarini

Wed 8/12

4:45 am-12:03 pm

2 stops33h 18m

$877

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Thu 6/4

8:59 pm-3:23 am

3 stops28h 24m

Buenos Aires Ministro Pistarini

Thu 6/11

5:00 am-11:56 pm

2 stops20h 56m

$878

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Thu 5/7

2:59 pm-9:20 am

2 stops16h 21m

Buenos Aires Ministro Pistarini

Mon 5/11

8:10 pm-10:16 am

1 stop16h 06m

$880

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 April instead. Flights to Buenos Aires Ministro Pistarini Airport in April, while not as cheap as those in November, still average around $1,021.

How far in advance should I book a flight from Chicago O'Hare Intl Airport 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 $1,124 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 35% 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 April 2026, prices for Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport flights are approximately 18% cheaper 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 39m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport takes 13h 39m
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

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Buenos Aires Ministro Pistarini Airport

  • 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 39m 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
1,578 reviews
Search Copa Airlines flights
AviancaPriceFrom $674Free CancellationRating
6.5
2,514 reviews
Search Avianca flights
LATAM AirlinesPriceFrom $727Free CancellationRating
7.4
1,911 reviews
Search LATAM Airlines flights
DeltaPriceFrom $951Free CancellationRating
7.9
8,442 reviews
Search Delta flights
United AirlinesPriceFrom $951Free CancellationRating
7.4
9,638 reviews
Search United Airlines flights
American AirlinesPriceFrom $1,004Free CancellationRating
7.1
11,663 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.

An easier way to manage your Buenos Aires Ministro Pistarini Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 5/23
Sat 5/30
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Buenos Aires

Popular cities in Argentina

Popular flights according to clicks in the last 7 days on momondo
Flights to Buenos Aires Jorge Newbery Airportfrom $480