What is the cheapest airline that flies from Chicago O'Hare Intl to Argentina?

Arajet, LATAM Airlines, and Delta are the most popular carriers operating from Chicago O'Hare Intl 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 O'Hare Intl Airport 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 O'Hare Intl Airport to Argentina?

Prices for flights from Chicago O'Hare Intl Airport to Argentina were last updated today.

How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Argentina?

As of June 2026, there are 7 operators available to choose from for flights from Chicago O'Hare Intl Airport to Argentina.

How old do you have to be to fly from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Argentina.

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

The travel and health documents you'll need for your trip to Argentina 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 Argentina. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$306 Cheap Flights from Chicago O'Hare Intl Airport to Argentina in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago O'Hare Intl Airport 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 - 10:40 pm

EZE

ORD

18h 30m

1 stop

$800Arajet

Mon, Oct 19 - Thu, Nov 5

4:30 am - 8:15 pm

ORD

EZE

13h 45m

1 stop

8:40 am - 10:10 pm

EZE

ORD

15h 30m

1 stop

$812Arajet

Mon, Jul 13 - Sun, Jul 26

3:35 pm - 6:30 pm

ORD

AEP

23h 55m

2 stops

2:55 pm - 8:34 am

AEP

ORD

20h 39m

2 stops

$920LATAM Airlines

Fri, Nov 27 - Sun, Dec 6

1:00 pm - 8:26 pm

ORD

COR

29h 26m

2 stops

7:45 am - 9:27 am

COR

ORD

27h 42m

2 stops

$943LATAM Airlines

Mon, Aug 17 - Wed, Aug 19

11:20 pm - 6:20 am

ORD

COR

29h 00m

1 stop

7:25 am - 9:20 pm

COR

ORD

15h 55m

1 stop

$1,096Avianca

Wed, Jul 8 - Thu, Jul 30

8:43 am - 6:20 am

ORD

COR

19h 37m

2 stops

7:25 am - 9:20 pm

COR

ORD

15h 55m

1 stop

$1,146Avianca

Sat, Aug 1 - Sat, Aug 8

3:21 pm - 12:20 am

ORD

COR

30h 59m

1 stop

3:32 am - 1:02 am

COR

ORD

23h 30m

1 stop

$1,156Copa Airlines

Tue, Aug 4 - Mon, Aug 10

8:02 am - 12:25 am

ORD

MDZ

14h 23m

1 stop

1:25 am - 1:59 pm

MDZ

ORD

14h 34m

1 stop

$1,277Copa Airlines

Sun, Aug 2 - Sat, Aug 8

6:50 pm - 11:40 am

ORD

ROS

38h 50m

2 stops

7:40 am - 10:04 am

ROS

ORD

28h 24m

2 stops

$1,308Delta

Sat, Oct 10 - Fri, Oct 16

6:00 am - 11:40 am

ORD

ROS

51h 40m

2 stops

7:40 am - 11:50 pm

ROS

ORD

18h 10m

2 stops

$1,318Delta

Thu, Oct 15 - Tue, Oct 20

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United Airlines flights from Chicago O'Hare Intl Airport to Argentina

Our best United Airlines deals on Chicago O'Hare Intl Airport to Argentina flight tickets

United Airlines

Aug 18

ORD4:11 pmChicago O'Hare Intl

13h 49m

1 stop

EZE8:00 amBuenos Aires Ministro Pistarini

Sep 1

EZE9:00 pmBuenos Aires Ministro Pistarini

36h 55m

1 stop

ORD7:55 amChicago O'Hare Intl

$949

United Airlines

Jun 22

ORD6:30 amChicago O'Hare Intl

23h 30m

1 stop

EZE8:00 amBuenos Aires Ministro Pistarini

Jun 26

EZE9:00 pmBuenos Aires Ministro Pistarini

15h 20m

1 stop

ORD10:20 amChicago O'Hare Intl

$1,100

United Airlines

Jun 20

ORD4:05 pmChicago O'Hare Intl

13h 55m

1 stop

EZE8:00 amBuenos Aires Ministro Pistarini

Jul 2

EZE9:00 pmBuenos Aires Ministro Pistarini

15h 20m

1 stop

ORD10:20 amChicago O'Hare Intl

$1,104

Arajet flights from Chicago O'Hare Intl Airport to Argentina

Our best Arajet deals on Chicago O'Hare Intl Airport to Argentina flight tickets

Arajet

Oct 19

ORD5:30 amChicago O'Hare Intl

16h 35m

1 stop

EZE12:05 amBuenos Aires Ministro Pistarini

Nov 5

EZE7:10 amBuenos Aires Ministro Pistarini

18h 30m

1 stop

ORD10:40 pmChicago O'Hare Intl

$800

Arajet

Jul 13

ORD4:30 amChicago O'Hare Intl

13h 45m

1 stop

EZE8:15 pmBuenos Aires Ministro Pistarini

Jul 26

EZE8:40 amBuenos Aires Ministro Pistarini

15h 30m

1 stop

ORD10:10 pmChicago O'Hare Intl

$812

Arajet

Oct 19

ORD5:30 amChicago O'Hare Intl

16h 35m

1 stop

EZE12:05 amBuenos Aires Ministro Pistarini

Nov 1

EZE8:40 amBuenos Aires Ministro Pistarini

15h 40m

1 stop

ORD9:20 pmChicago O'Hare Intl

$815

momondo Fare Finder

Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Argentina 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-12:05 am

1 stop16h 35m

Buenos Aires Ministro Pistarini

Thu 11/5

7:10 am-10:40 pm

1 stop18h 30m

$800

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

Sun 7/26

8:40 am-10:10 pm

1 stop15h 30m

$812

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Fri 11/27

3:35 pm-6:30 pm

2 stops23h 55m

Buenos Aires Jorge Newbery

Sun 12/6

2:55 pm-8:34 am

2 stops20h 39m

$920

ChicagoCordoba

ORD - COR

ORDCOR

Chicago O'Hare Intl

Mon 8/17

1:00 pm-8:26 pm

2 stops29h 26m

Cordoba Pajas Blancas

Wed 8/19

7:45 am-9:27 am

2 stops27h 42m

$943

ChicagoCordoba

ORD - COR

ORDCOR

Chicago O'Hare Intl

Wed 7/8

11:20 pm-6:20 am

1 stop29h 00m

Cordoba Pajas Blancas

Thu 7/30

7:25 am-9:20 pm

1 stop15h 55m

$1,096

ChicagoCordoba

ORD - COR

ORDCOR

Chicago O'Hare Intl

Sat 8/1

8:43 am-6:20 am

2 stops19h 37m

Cordoba Pajas Blancas

Sat 8/8

7:25 am-9:20 pm

1 stop15h 55m

$1,146

ChicagoCordoba

ORD - COR

ORDCOR

Chicago O'Hare Intl

Tue 8/4

3:21 pm-12:20 am

1 stop30h 59m

Cordoba Pajas Blancas

Mon 8/10

3:32 am-1:02 am

1 stop23h 30m

$1,156

Quickest round-trip

ChicagoMendoza

ORD - MDZ

ORDMDZ

Chicago O'Hare Intl

Sun 8/2

8:02 am-12:25 am

1 stop14h 23m

Mendoza El Plumerillo

Sat 8/8

1:25 am-1:59 pm

1 stop14h 34m

$1,277

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

Sat 10/10

6:50 pm-11:40 am

2 stops38h 50m

Rosario Fisherton

Fri 10/16

7:40 am-10:04 am

2 stops28h 24m

$1,308

ChicagoRosario

ORD - ROS

ORDROS

Chicago O'Hare Intl

Thu 10/15

6:00 am-11:40 am

2 stops51h 40m

Rosario Fisherton

Tue 10/20

7:40 am-11:50 pm

2 stops18h 10m

$1,318

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 O'Hare Intl Airport 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 O'Hare Intl Airport 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 O'Hare Intl Airport to Argentina?

You are more likely to see cheaper flights to Argentina from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Argentina for around $1,126 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Argentina from Chicago O'Hare Intl Airport for as low as $747 on momondo.

Can stopping save me money on Chicago O'Hare Intl Airport to Argentina flights?

You could potentially save up to 29% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Argentina flight.

Cheap Chicago O'Hare Intl Airport to Argentina flight deals and tips

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

Fastest flight time	13h 45m
Direct flights	None

The fastest flight from Chicago O'Hare Intl Airport to Argentina takes 13h 45m

There are no direct flights from Chicago O'Hare Intl Airport to Argentina. There are no popular flight routes from Chicago O'Hare Intl Airport to Argentina.

Search flight deals

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Argentina

When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Argentina?
Prices for flights from Chicago O'Hare Intl Airport to Argentina were last updated today.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Argentina?
As of June 2026, there are 7 operators available to choose from for flights from Chicago O'Hare Intl Airport to Argentina.
How old do you have to be to fly from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Argentina.
What documentation or ID do you need to fly to Argentina?
The travel and health documents you'll need for your trip to Argentina 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 Argentina. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Chicago O'Hare Intl Airport to Argentina

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport 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 1,939 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 7.8 8,420 reviews	Search Delta flights
United Airlines	PriceFrom $951	Free Cancellation	Rating 7.4 9,865 reviews	Search United Airlines flights
American Airlines	PriceFrom $972	Free Cancellation	Rating 7.1 11,709 reviews	Search American Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Argentina for you.

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

Yes. All flights to Argentina 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 Argentina?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Argentina.

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

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