What is the cheapest airline that flies from Chicago to Argentina?

Arajet, LATAM Airlines, and Delta are the most popular carriers operating from Chicago to Argentina

What airlines fly to Argentina?

American Airlines, United Airlines and Copa Airlines are the top three most popular airlines that fly to Argentina from Chicago according to our data. American Airlines is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Argentina. Keep in mind that there are 7 different airlines that fly to Argentina on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Chicago to Argentina?

Prices for flights from Chicago to Argentina were last updated today.

How many operators does momondo search for flights from Chicago to Argentina?

The number of operators available for flights from Chicago to Argentina is 7 as of June 2026.

How old do you have to be to fly from Chicago to Argentina?

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 Argentina.

What documentation or ID do you need to fly to Argentina?

The necessary travel and health documents for your Argentina trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$334 Cheap Flights from Chicago to Argentina in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Argentina

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:30 am - 12:05 am

ORD

EZE

16h 35m

1 stop

7:10 am - 11:40 pm

EZE

ORD

18h 30m

1 stop

$808Arajet

Mon, Oct 19 - Thu, Oct 29

5:30 am - 12:05 am

ORD

EZE

16h 35m

1 stop

9:15 pm - 10:10 pm

EZE

ORD

26h 55m

1 stop

$816Arajet

Mon, Oct 19 - Sat, Oct 24

9:30 am - 6:05 am

ORD

EZE

17h 35m

2 stops

3:35 pm - 8:34 am

EZE

ORD

19h 59m

2 stops

$825LATAM Airlines

Sun, Nov 15 - Wed, Nov 18

10:35 am - 7:40 am

MDW

AEP

18h 05m

2 stops

2:55 pm - 9:52 am

AEP

MDW

21h 57m

2 stops

$825LATAM Airlines

Sun, Nov 15 - Wed, Nov 18

11:20 pm - 6:20 am

ORD

COR

29h 00m

1 stop

7:25 am - 9:20 pm

COR

ORD

15h 55m

1 stop

$1,121Avianca

Sat, Aug 15 - Tue, Aug 18

11:20 pm - 6:20 am

ORD

COR

29h 00m

1 stop

7:25 am - 7:25 am

COR

ORD

50h 00m

2 stops

$1,208Avianca

Tue, Sep 22 - Mon, Oct 5

5:29 pm - 1:10 am

ORD

ROS

29h 41m

2 stops

2:10 am - 10:50 am

ROS

ORD

34h 40m

2 stops

$1,386American Airlines

Fri, Sep 18 - Sat, Sep 26

8:01 am - 12:22 am

ORD

MDZ

14h 21m

1 stop

1:25 am - 12:57 am

MDZ

ORD

25h 32m

1 stop

$1,584Copa Airlines

Thu, Oct 15 - Sun, Oct 18

8:01 am - 12:17 am

ORD

ROS

14h 16m

1 stop

1:23 am - 1:02 am

ROS

ORD

25h 39m

1 stop

$1,610Copa Airlines

Fri, Sep 11 - Sun, Sep 20

5:05 pm - 9:30 pm

ORD

MDZ

26h 25m

2 stops

6:30 pm - 12:40 pm

MDZ

ORD

20h 10m

3 stops

$2,577American Airlines

Thu, Oct 15 - Mon, Oct 19

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Copa Airlines flights from Chicago to Argentina

Our best Copa Airlines deals on Chicago to Argentina flight tickets

Copa Airlines

Sep 9

ORD8:01 amChicago O'Hare Intl

14h 50m

1 stop

EZE12:51 amBuenos Aires Ministro Pistarini

Sep 20

EZE3:48 amBuenos Aires Ministro Pistarini

23h 14m

1 stop

ORD1:02 amChicago O'Hare Intl

$946

Copa Airlines

Oct 15

ORD8:01 amChicago O'Hare Intl

14h 21m

1 stop

MDZ12:22 amMendoza El Plumerillo

Oct 18

MDZ1:25 amMendoza El Plumerillo

25h 32m

1 stop

ORD12:57 amChicago O'Hare Intl

$1,584

Copa Airlines

Sep 11

ORD8:01 amChicago O'Hare Intl

14h 16m

1 stop

ROS12:17 amRosario Fisherton

Sep 20

ROS1:23 amRosario Fisherton

25h 39m

1 stop

ORD1:02 amChicago O'Hare Intl

$1,610

LATAM Airlines flights from Chicago to Argentina

Our best LATAM Airlines deals on Chicago to Argentina flight tickets

LATAM Airlines

Nov 15

ORD9:30 amChicago O'Hare Intl

17h 35m

2 stops

EZE6:05 amBuenos Aires Ministro Pistarini

Nov 18

EZE3:35 pmBuenos Aires Ministro Pistarini

19h 59m

2 stops

ORD8:34 amChicago O'Hare Intl

$825

LATAM Airlines

Sep 29

ORD5:30 amChicago O'Hare Intl

22h 15m

2 stops

COR5:45 amCordoba Pajas Blancas

Sep 30

COR1:50 pmCordoba Pajas Blancas

29h 23m

2 stops

ORD5:13 pmChicago O'Hare Intl

$943

LATAM Airlines

Aug 24

MDW10:54 amChicago Midway

29h 27m

2 stops

EZE6:21 pmBuenos Aires Ministro Pistarini

Aug 26

EZE1:10 pmBuenos Aires Ministro Pistarini

22h 49m

2 stops

MDW9:59 amChicago Midway

$998

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 10/19

5:30 am-12:05 am

1 stop16h 35m

Buenos Aires Ministro Pistarini

Thu 10/29

7:10 am-11:40 pm

1 stop18h 30m

$808

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 10/19

5:30 am-12:05 am

1 stop16h 35m

Buenos Aires Ministro Pistarini

Sat 10/24

9:15 pm-10:10 pm

1 stop26h 55m

$816

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Sun 11/15

9:30 am-6:05 am

2 stops17h 35m

Buenos Aires Ministro Pistarini

Wed 11/18

3:35 pm-8:34 am

2 stops19h 59m

$825

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Sun 11/15

10:35 am-7:40 am

2 stops18h 05m

Buenos Aires Jorge Newbery

Wed 11/18

2:55 pm-9:52 am

2 stops21h 57m

$825

ChicagoCordoba

ORD - COR

ORDCOR

Chicago O'Hare Intl

Sat 8/15

11:20 pm-6:20 am

1 stop29h 00m

Cordoba Pajas Blancas

Tue 8/18

7:25 am-9:20 pm

1 stop15h 55m

$1,121

ChicagoCordoba

ORD - COR

ORDCOR

Chicago O'Hare Intl

Tue 9/22

11:20 pm-6:20 am

1 stop29h 00m

Cordoba Pajas Blancas

Mon 10/5

7:25 am-7:25 am

2 stops50h 00m

$1,208

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

Fri 9/18

5:29 pm-1:10 am

2 stops29h 41m

Rosario Fisherton

Sat 9/26

2:10 am-10:50 am

2 stops34h 40m

$1,386

ChicagoMendoza

ORD - MDZ

ORDMDZ

Chicago O'Hare Intl

Thu 10/15

8:01 am-12:22 am

1 stop14h 21m

Mendoza El Plumerillo

Sun 10/18

1:25 am-12:57 am

1 stop25h 32m

$1,584

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

Fri 9/11

8:01 am-12:17 am

1 stop14h 16m

Rosario Fisherton

Sun 9/20

1:23 am-1:02 am

1 stop25h 39m

$1,610

ChicagoMendoza

ORD - MDZ

ORDMDZ

Chicago O'Hare Intl

Thu 10/15

5:05 pm-9:30 pm

2 stops26h 25m

Mendoza El Plumerillo

Mon 10/19

6:30 pm-12:40 pm

3 stops20h 10m

$2,577

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Chicago to Argentina

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

Prices

Airlines

What is the cheapest month to fly to Argentina?

If you are unable to visit Argentina during the month of March, then departing from Chicago during the month January is also very affordable. Most momondo users find prices during this month for around $330.

How far in advance should I book a flight from Chicago to Argentina?

You are more likely to see cheaper flights to Argentina from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Argentina for around $1,119 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Argentina from Chicago for as low as $747 on momondo.

Can stopping save me money on Chicago to Argentina flights?

You could potentially save up to 27% on your flight if you consider stops on a Chicago to Argentina flight.

Cheap Chicago to Argentina flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago to Argentina

Fastest flight time	13h 45m
Direct flights	None

The fastest flight from Chicago to Argentina takes 13h 45m

There are no direct flights from Chicago to Argentina. There are no popular flight routes from Chicago to Argentina.

Search flight deals

Frequently asked questions about flying from Chicago to Argentina

When did momondo last update prices for flights from Chicago to Argentina?
Prices for flights from Chicago to Argentina were last updated today.
How many operators does momondo search for flights from Chicago to Argentina?
The number of operators available for flights from Chicago to Argentina is 7 as of June 2026.
How old do you have to be to fly from Chicago to Argentina?
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 Argentina.
What documentation or ID do you need to fly to Argentina?
The necessary travel and health documents for your Argentina trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Chicago to Argentina

Compare and see reviews for airlines that fly from Chicago to Argentina with momondo

Airline	Rating	Free Cancellation	Price
Arajet	PriceFrom $360	Free Cancellation	Rating 6.5 49 reviews	Search Arajet flights
Copa Airlines	PriceFrom $569	Free Cancellation	Rating 7.5 1,569 reviews	Search Copa Airlines flights
LATAM Airlines	PriceFrom $727	Free Cancellation	Rating 7.4 1,926 reviews	Search LATAM Airlines flights
Avianca	PriceFrom $795	Free Cancellation	Rating 6.5 2,534 reviews	Search Avianca flights
Delta	PriceFrom $901	Free Cancellation	Rating 7.9 8,395 reviews	Search Delta flights
United Airlines	PriceFrom $951	Free Cancellation	Rating 7.4 9,802 reviews	Search United Airlines flights
American Airlines	PriceFrom $972	Free Cancellation	Rating 7.1 11,640 reviews	Search American Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Chicago to Argentina. Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Argentina from Chicago which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Chicago to Argentina?

momondo provides multiple filters to help you find the best flight to Argentina from Chicago. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes. momondo can track prices for Chicago to Argentina flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.