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

Arajet, Delta, and LATAM Airlines 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.

$311 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

4:35 pm - 10:10 pm

EZE

ORD

31h 35m

2 stops

$753Multiple Airlines

Mon, Sep 14 - Sat, Sep 19

5:30 am - 12:05 am

ORD

EZE

16h 35m

1 stop

9:15 pm - 10:10 pm

EZE

ORD

26h 55m

1 stop

$757Arajet

Mon, Sep 14 - Sat, Sep 19

6:25 pm - 4:00 pm

ORD

AEP

19h 35m

2 stops

8:05 pm - 12:40 pm

AEP

ORD

18h 35m

2 stops

$918LATAM Airlines

Wed, Sep 2 - Wed, Sep 23

4:22 pm - 9:45 am

MDW

EZE

15h 23m

1 stop

8:10 pm - 10:15 pm

EZE

MDW

28h 05m

1 stop

$945Delta

Sat, Jul 11 - Sun, Jul 26

4:39 pm - 9:45 am

MDW

EZE

15h 06m

1 stop

8:10 pm - 3:44 pm

EZE

MDW

21h 34m

1 stop

$958Delta

Sat, Aug 15 - Tue, Sep 1

7:10 am - 7:40 am

ORD

AEP

21h 30m

2 stops

5:35 pm - 10:07 am

AEP

ORD

19h 32m

2 stops

$958LATAM Airlines

Sun, Nov 15 - Tue, Nov 24

11:20 pm - 5:40 am

ORD

AEP

28h 20m

1 stop

7:00 am - 9:20 pm

AEP

ORD

16h 20m

1 stop

$960Avianca

Sat, Aug 15 - Fri, Aug 28

3:20 pm - 12:17 am

ORD

ROS

30h 57m

1 stop

1:23 am - 1:02 am

ROS

ORD

25h 39m

1 stop

$1,150Copa Airlines

Fri, Sep 18 - Sat, Sep 26

8:01 am - 3:47 am

ORD

ROS

17h 46m

1 stop

1:23 am - 1:59 pm

ROS

ORD

14h 36m

1 stop

$1,338Copa Airlines

Sat, Sep 12 - Sat, Sep 19

11:20 pm - 7:30 am

ORD

USH

30h 10m

2 stops

7:40 pm - 6:32 pm

USH

ORD

24h 52m

3 stops

$1,420Avianca

Wed, Sep 30 - Tue, Oct 6

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

Arajet flights from Chicago to Argentina

Our best Arajet deals on Chicago to Argentina flight tickets

Arajet

Sep 14

ORD5:30 amChicago O'Hare Intl

16h 35m

1 stop

EZE12:05 amBuenos Aires Ministro Pistarini

Sep 19

EZE9:15 pmBuenos Aires Ministro Pistarini

26h 55m

1 stop

ORD10:10 pmChicago O'Hare Intl

$757

Arajet

Aug 15

ORD12:12 pmChicago O'Hare Intl

13h 58m

1 stop

EZE4:10 amBuenos Aires Ministro Pistarini

Aug 28

EZE9:15 pmBuenos Aires Ministro Pistarini

15h 57m

1 stop

ORD11:12 amChicago O'Hare Intl

$794

Arajet

Aug 15

ORD12:12 pmChicago O'Hare Intl

13h 58m

1 stop

EZE4:10 amBuenos Aires Ministro Pistarini

Aug 28

EZE9:15 pmBuenos Aires Ministro Pistarini

15h 57m

1 stop

ORD11:12 amChicago O'Hare Intl

$796

Delta flights from Chicago to Argentina

Our best Delta deals on Chicago to Argentina flight tickets

Delta

Jul 11

MDW4:22 pmChicago Midway

15h 23m

1 stop

EZE9:45 amBuenos Aires Ministro Pistarini

Jul 26

EZE8:10 pmBuenos Aires Ministro Pistarini

28h 05m

1 stop

MDW10:15 pmChicago Midway

$945

Delta

Aug 15

MDW4:39 pmChicago Midway

15h 06m

1 stop

EZE9:45 amBuenos Aires Ministro Pistarini

Sep 1

EZE8:10 pmBuenos Aires Ministro Pistarini

21h 34m

1 stop

MDW3:44 pmChicago Midway

$958

Delta

Aug 15

MDW1:25 pmChicago Midway

18h 20m

2 stops

EZE9:45 amBuenos Aires Ministro Pistarini

Aug 28

EZE1:10 pmBuenos Aires Ministro Pistarini

23h 00m

2 stops

MDW10:10 amChicago Midway

$962

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 9/14

5:30 am-12:05 am

1 stop16h 35m

Buenos Aires Ministro Pistarini

Sat 9/19

4:35 pm-10:10 pm

2 stops31h 35m

$753

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 9/14

5:30 am-12:05 am

1 stop16h 35m

Buenos Aires Ministro Pistarini

Sat 9/19

9:15 pm-10:10 pm

1 stop26h 55m

$757

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Wed 9/2

6:25 pm-4:00 pm

2 stops19h 35m

Buenos Aires Jorge Newbery

Wed 9/23

8:05 pm-12:40 pm

2 stops18h 35m

$918

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Sat 7/11

4:22 pm-9:45 am

1 stop15h 23m

Buenos Aires Ministro Pistarini

Sun 7/26

8:10 pm-10:15 pm

1 stop28h 05m

$945

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Sat 8/15

4:39 pm-9:45 am

1 stop15h 06m

Buenos Aires Ministro Pistarini

Tue 9/1

8:10 pm-3:44 pm

1 stop21h 34m

$958

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Sun 11/15

7:10 am-7:40 am

2 stops21h 30m

Buenos Aires Jorge Newbery

Tue 11/24

5:35 pm-10:07 am

2 stops19h 32m

$958

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Sat 8/15

11:20 pm-5:40 am

1 stop28h 20m

Buenos Aires Jorge Newbery

Fri 8/28

7:00 am-9:20 pm

1 stop16h 20m

$960

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

Fri 9/18

3:20 pm-12:17 am

1 stop30h 57m

Rosario Fisherton

Sat 9/26

1:23 am-1:02 am

1 stop25h 39m

$1,150

Quickest round-trip

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

Sat 9/12

8:01 am-3:47 am

1 stop17h 46m

Rosario Fisherton

Sat 9/19

1:23 am-1:59 pm

1 stop14h 36m

$1,338

ChicagoUshuaia

ORD - USH

ORDUSH

Chicago O'Hare Intl

Wed 9/30

11:20 pm-7:30 am

2 stops30h 10m

Ushuaia Malvinas Argentinas

Tue 10/6

7:40 pm-6:32 pm

3 stops24h 52m

$1,420

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 $1,128 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 29% 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 15m
Direct flights	None

The fastest flight from Chicago to Argentina takes 13h 15m

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 7.6 1,569 reviews	Search Copa Airlines flights
LATAM Airlines	PriceFrom $727	Free Cancellation	Rating 7.4 1,942 reviews	Search LATAM Airlines flights
Avianca	PriceFrom $795	Free Cancellation	Rating 6.5 2,535 reviews	Search Avianca flights
Delta	PriceFrom $901	Free Cancellation	Rating 7.8 8,440 reviews	Search Delta flights
United Airlines	PriceFrom $951	Free Cancellation	Rating 7.4 9,889 reviews	Search United Airlines flights
American Airlines	PriceFrom $972	Free Cancellation	Rating 7.1 11,757 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.