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Cheap flights from Chicago 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 to Buenos Aires departing on 9/7. 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 to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
Arajet Logo
5:30 am - 8:15 am
ORD
-
EZE
24h 45m
1 stop
Arajet Logo
8:40 am - 10:10 pm
EZE
-
ORD
15h 30m
1 stop
$838Arajet
Mon, Oct 19 - Sun, Oct 25
Arajet Logo
4:30 am - 12:05 am
ORD
-
EZE
17h 35m
1 stop
Arajet Logo
2:45 am - 10:10 pm
EZE
-
ORD
21h 25m
1 stop
$844Arajet
Mon, Jun 22 - Sat, Jul 4
Arajet Logo
6:45 am - 6:45 am
ORD
-
EZE
22h 00m
1 stop
Arajet Logo
9:15 pm - 11:12 am
EZE
-
ORD
15h 57m
1 stop
$849Arajet
Fri, Aug 21 - Fri, Aug 28
Arajet Logo
6:45 am - 7:40 pm
ORD
-
EZE
34h 55m
1 stop
Arajet Logo
9:15 pm - 10:40 pm
EZE
-
ORD
28h 25m
1 stop
$852Arajet
Fri, Oct 30 - Wed, Nov 11
Arajet Logo
12:12 pm - 4:10 am
ORD
-
EZE
13h 58m
1 stop
Arajet Logo
9:15 pm - 10:10 pm
EZE
-
ORD
26h 55m
1 stop
$856Arajet
Sat, Aug 15 - Sat, Sep 5
Multiple Airlines Logo
12:12 pm - 4:10 am
ORD
-
EZE
13h 58m
1 stop
Multiple Airlines Logo
1:10 pm - 7:55 am
EZE
-
ORD
44h 45m
2 stops
$872Multiple Airlines
Sat, May 16 - Mon, May 25
LATAM Airlines Logo
3:22 pm - 9:40 am
ORD
-
EZE
16h 18m
2 stops
LATAM Airlines Logo
1:10 pm - 10:13 am
EZE
-
ORD
23h 03m
2 stops
$876LATAM Airlines
Mon, Jun 8 - Mon, Jun 22
LATAM Airlines Logo
5:10 pm - 9:45 am
MDW
-
EZE
14h 35m
1 stop
LATAM Airlines Logo
8:10 pm - 9:59 am
EZE
-
MDW
15h 49m
1 stop
$907LATAM Airlines
Fri, May 22 - Fri, May 29
Delta Logo
5:11 pm - 9:45 am
MDW
-
EZE
14h 34m
1 stop
Delta Logo
8:10 pm - 10:09 am
EZE
-
MDW
15h 59m
1 stop
$909Delta
Mon, Jun 15 - Mon, Jun 22
Delta Logo
1:22 pm - 9:45 am
MDW
-
EZE
18h 23m
2 stops
Delta Logo
8:10 pm - 4:12 pm
EZE
-
MDW
22h 02m
1 stop
$911Delta
Tue, May 19 - Fri, May 29

Arajet flights from Chicago to Buenos Aires Ministro Pistarini Airport

Our best Arajet deals on Chicago to Buenos Aires Ministro Pistarini Airport flight tickets
Arajet
Oct 19
ORD5:30 amChicago O'Hare Intl
24h 45m
1 stop
EZE8:15 amBuenos Aires Ministro Pistarini
Oct 25
EZE8:40 amBuenos Aires Ministro Pistarini
15h 30m
1 stop
ORD10:10 pmChicago O'Hare Intl
$838
Arajet
Jun 22
ORD4:30 amChicago O'Hare Intl
17h 35m
1 stop
EZE12:05 amBuenos Aires Ministro Pistarini
Jul 4
EZE2:45 amBuenos Aires Ministro Pistarini
21h 25m
1 stop
ORD10:10 pmChicago O'Hare Intl
$844
Arajet
Aug 21
ORD6:45 amChicago O'Hare Intl
22h 00m
1 stop
EZE6:45 amBuenos Aires Ministro Pistarini
Aug 28
EZE9:15 pmBuenos Aires Ministro Pistarini
15h 57m
1 stop
ORD11:12 amChicago O'Hare Intl
$849

LATAM Airlines flights from Chicago to Buenos Aires Ministro Pistarini Airport

Our best LATAM Airlines deals on Chicago to Buenos Aires Ministro Pistarini Airport flight tickets
LATAM Airlines
Jun 8
ORD3:22 pmChicago O'Hare Intl
16h 18m
2 stops
EZE9:40 amBuenos Aires Ministro Pistarini
Jun 22
EZE1:10 pmBuenos Aires Ministro Pistarini
23h 03m
2 stops
ORD10:13 amChicago O'Hare Intl
$876
LATAM Airlines
Sep 9
ORD1:15 pmChicago O'Hare Intl
18h 25m
2 stops
EZE9:40 amBuenos Aires Ministro Pistarini
Sep 21
EZE7:35 amBuenos Aires Ministro Pistarini
18h 22m
2 stops
ORD11:57 pmChicago O'Hare Intl
$894
LATAM Airlines
May 22
MDW5:10 pmChicago Midway
14h 35m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
May 29
EZE8:10 pmBuenos Aires Ministro Pistarini
15h 49m
1 stop
MDW9:59 amChicago Midway
$907

momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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 May 6, 2026.
Use the filters below to find and compare flights from Chicago 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 10/19

5:30 am-8:15 am

1 stop24h 45m

Buenos Aires Ministro Pistarini

Sun 10/25

8:40 am-10:10 pm

1 stop15h 30m

$838

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 6/22

4:30 am-12:05 am

1 stop17h 35m

Buenos Aires Ministro Pistarini

Sat 7/4

2:45 am-10:10 pm

1 stop21h 25m

$844

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Fri 8/21

6:45 am-6:45 am

1 stop22h 00m

Buenos Aires Ministro Pistarini

Fri 8/28

9:15 pm-11:12 am

1 stop15h 57m

$849

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Fri 10/30

6:45 am-7:40 pm

1 stop34h 55m

Buenos Aires Ministro Pistarini

Wed 11/11

9:15 pm-10:40 pm

1 stop28h 25m

$852

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Sat 8/15

12:12 pm-4:10 am

1 stop13h 58m

Buenos Aires Ministro Pistarini

Sat 9/5

9:15 pm-10:10 pm

1 stop26h 55m

$856

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Sat 5/16

12:12 pm-4:10 am

1 stop13h 58m

Buenos Aires Ministro Pistarini

Mon 5/25

1:10 pm-7:55 am

2 stops44h 45m

$872

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 6/8

3:22 pm-9:40 am

2 stops16h 18m

Buenos Aires Ministro Pistarini

Mon 6/22

1:10 pm-10:13 am

2 stops23h 03m

$876
Quickest round-trip

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Fri 5/22

5:10 pm-9:45 am

1 stop14h 35m

Buenos Aires Ministro Pistarini

Fri 5/29

8:10 pm-9:59 am

1 stop15h 49m

$907

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Mon 6/15

5:11 pm-9:45 am

1 stop14h 34m

Buenos Aires Ministro Pistarini

Mon 6/22

8:10 pm-10:09 am

1 stop15h 59m

$909

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Tue 5/19

1:22 pm-9:45 am

2 stops18h 23m

Buenos Aires Ministro Pistarini

Fri 5/29

8:10 pm-4:12 pm

1 stop22h 02m

$911

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Chicago 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 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 March, then book flights to Buenos Aires Ministro Pistarini Airport from Chicago during December instead. Flights to Buenos Aires Ministro Pistarini Airport in December, while not as cheap as those in March, still average around $307.

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

You are more likely to see cheaper flights to Buenos Aires Ministro Pistarini Airport from Chicago 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 for as low as $760 on momondo.

Can stopping save me money on Chicago to Buenos Aires Ministro Pistarini Airport flights?

You could potentially save up to 32% on your flight if you consider stops on a Chicago to Buenos Aires Ministro Pistarini Airport flight.

How have Chicago to Buenos Aires Ministro Pistarini Airport flight prices changed over time?

When to book flights from Chicago to Buenos Aires Ministro Pistarini Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago 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 to Buenos Aires Ministro Pistarini Airport (CHI to EZE) flight deals and tips

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

Fastest flight time

13h 39m

Direct flights

None
The fastest flight from Chicago to Buenos Aires Ministro Pistarini Airport takes 13h 39m
There are no direct flights from Chicago to Buenos Aires Ministro Pistarini Airport. There are no popular flight routes from Chicago to Buenos Aires Ministro Pistarini Airport.
Search flight deals

Frequently asked questions about flying from Chicago to Buenos Aires Ministro Pistarini Airport

  • How far is Chicago to Buenos Aires Ministro Pistarini by plane?

    There are 5606.5 mi between Chicago and Buenos Aires Ministro Pistarini. 13h 39m is a normal flight duration for this route.

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

    Prices for flights from Chicago to Buenos Aires Ministro Pistarini Airport refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago to Buenos Aires Ministro Pistarini Airport.

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

    The travel and health documents you'll need for your trip to Buenos Aires Ministro Pistarini Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Buenos Aires Ministro Pistarini Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Chicago to Buenos Aires Ministro Pistarini Airport

Compare and see reviews for airlines that fly from Chicago 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
1,580 reviews
Search Copa Airlines flights
AviancaPriceFrom $674Free CancellationRating
6.5
2,524 reviews
Search Avianca flights
LATAM AirlinesPriceFrom $727Free CancellationRating
7.4
1,916 reviews
Search LATAM Airlines flights
DeltaPriceFrom $951Free CancellationRating
7.9
8,459 reviews
Search Delta flights
United AirlinesPriceFrom $951Free CancellationRating
7.4
9,684 reviews
Search United Airlines flights
American AirlinesPriceFrom $972Free CancellationRating
7.1
11,672 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. momondo enables you to select and highlight flights to Buenos Aires from Chicago with this policy.

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 simply researching potential flights to Buenos Aires, momondo offers a useful price alert feature which will track prices for flights to Buenos Aires from Chicago and alert you when they change.

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

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