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

Arajet, WorldTicket, and Copa 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 33% of people opting to fly with this airline when traveling to Argentina. Keep in mind that there are 8 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 8 as of September 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.

$282 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.

3:20 am - 10:49 pmORD Chicago O'Hare Intl-MDZ Mendoza El Plumerillo

16h 29m1 stop Punta Cana

5:00 am - 8:57 amMDZ Mendoza El Plumerillo-ORD Chicago O'Hare Intl

30h 57m1 stop Punta Cana

$737Arajet

Sun, Nov 1 - Fri, Nov 6

3:20 am - 10:49 pmORD Chicago O'Hare Intl-MDZ Mendoza El Plumerillo

16h 29m1 stop Punta Cana

5:00 am - 8:57 amMDZ Mendoza El Plumerillo-ORD Chicago O'Hare Intl

30h 57m1 stop Punta Cana

$757Arajet

Sun, Nov 1 - Fri, Nov 6

4:30 am - 10:05 pmORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

15h 35m1 stop Punta Cana

11:05 pm - 5:40 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

45h 35m2 stops Punta Cana Toronto Pearson Intl

$773Multiple Airlines

Mon, Oct 26 - Mon, Nov 2

4:30 pm - 10:49 pmORD Chicago O'Hare Intl-MDZ Mendoza El Plumerillo

28h 19m2 stops Toronto Pearson Intl Punta Cana

3:28 am - 11:20 pmMDZ Mendoza El Plumerillo-ORD Chicago O'Hare Intl

21h 52m1 stop Punta Cana

$804Multiple Airlines

Sun, Oct 25 - Sat, Oct 31

11:30 pm - 9:20 amORD Chicago O'Hare Intl-AEP Buenos Aires Jorge Newbery

31h 50m2 stops Bogotá El Dorado Rio de Janeiro–Galeão Intl

7:05 am - 9:30 pmAEP Buenos Aires Jorge Newbery-ORD Chicago O'Hare Intl

16h 25m1 stop Bogotá El Dorado

$885Avianca

Mon, Oct 26 - Thu, Oct 29

11:30 pm - 9:20 amORD Chicago O'Hare Intl-AEP Buenos Aires Jorge Newbery

31h 50m2 stops Bogotá El Dorado Rio de Janeiro–Galeão Intl

7:05 am - 9:30 pmAEP Buenos Aires Jorge Newbery-ORD Chicago O'Hare Intl

16h 25m1 stop Bogotá El Dorado

$952Avianca

Mon, Oct 26 - Thu, Oct 29

9:56 am - 9:50 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

20h 54m2 stops Atlanta Hartsfield-Jackson Miami

3:10 pm - 9:22 amEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

21h 12m2 stops Rio de Janeiro–Galeão Intl Atlanta Hartsfield-Jackson

$1,023LATAM Airlines

Sun, Dec 13 - Mon, Dec 14

3:00 pm - 9:50 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

15h 50m2 stops Atlanta Hartsfield-Jackson Miami

1:10 pm - 10:02 amEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

22h 52m2 stops Miami Atlanta Hartsfield-Jackson

$1,030LATAM Airlines

Sat, Mar 13 - Sun, Mar 28

7:35 am - 12:07 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

13h 32m1 stop Panama City Tocumen Intl

2:33 pm - 12:11 amEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

36h 38m1 stop Panama City Tocumen Intl

$1,075Copa Airlines

Sun, Nov 8 - Thu, Nov 12

2:13 pm - 10:24 pmORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

29h 11m1 stop Panama City Tocumen Intl

8:58 am - 12:46 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

30h 48m1 stop Panama City Tocumen Intl

$1,084Copa Airlines

Tue, Dec 1 - Thu, Dec 10

Cheap last minute flights

Enter your travel dates to find the best prices.

8:45 am - 2:30 pmORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

27h 45m2 stops Montreal Pierre Elliott Trudeau Intl Sao Paulo Guarulhos Intl

2:45 am - 10:10 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

21h 25m1 stop Punta Cana

$971Multiple Airlines

Sun, Sep 20 - Sat, Sep 26

9:46 am - 9:45 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

21h 59m1 stop Atlanta Hartsfield-Jackson

2:45 am - 10:10 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

21h 25m1 stop Punta Cana

$976Multiple Airlines

Sun, Sep 20 - Sat, Sep 26

5:30 am - 8:00 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

24h 30m1 stop Houston George Bush Intcntl

9:00 pm - 2:51 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

19h 51m1 stop Houston George Bush Intcntl

$1,100United Airlines

Sun, Sep 20 - Tue, Sep 22

10:05 am - 7:15 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

19h 10m1 stop Miami

8:45 pm - 9:29 amEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

14h 44m1 stop Miami

$1,116American Airlines

Wed, Sep 16 - Sun, Sep 20

12:47 pm - 7:15 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

16h 28m2 stops New York LaGuardia Miami

8:45 pm - 12:50 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

18h 05m2 stops Miami Washington, D.C. Reagan-National

$1,120American Airlines

Wed, Sep 16 - Sun, Sep 20

8:01 am - 3:15 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

17h 14m1 stop Panama City Tocumen Intl

5:25 am - 1:02 amEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

21h 37m1 stop Panama City Tocumen Intl

$1,140Copa Airlines

Tue, Sep 15 - Thu, Sep 17

8:01 am - 4:21 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

18h 20m1 stop Panama City Tocumen Intl

2:17 am - 12:57 amEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

24h 40m1 stop Panama City Tocumen Intl

$1,140Copa Airlines

Sat, Sep 19 - Sat, Oct 3

1:55 pm - 9:45 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

17h 50m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson

8:10 pm - 8:30 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

26h 20m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

$1,152Delta

Sun, Sep 20 - Tue, Sep 22

8:05 am - 9:45 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

23h 40m1 stop Atlanta Hartsfield-Jackson

7:35 am - 9:25 amEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

27h 50m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$1,308Delta

Sun, Sep 20 - Fri, Sep 25

12:56 pm - 8:00 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

17h 04m2 stops Indianapolis Houston George Bush Intcntl

9:00 pm - 11:16 amEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

16h 16m1 stop Houston George Bush Intcntl

$9,804United Airlines

Sun, Sep 20 - Fri, Sep 25

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LATAM Airlines flights from Chicago to Argentina

Our best LATAM Airlines deals on Chicago to Argentina flight tickets

LATAM Airlines

Nov 12

MDW1:05 pmChicago Midway

17h 45m

2 stops

EZE9:50 amBuenos Aires Ministro Pistarini

Nov 16

EZE7:20 amBuenos Aires Ministro Pistarini

18h 34m

2 stops

MDW10:54 pmChicago Midway

$1,107

LATAM Airlines

Sep 27

ORD6:25 pmChicago O'Hare Intl

19h 35m

2 stops

AEP4:00 pmBuenos Aires Jorge Newbery

Oct 5

AEP8:05 pmBuenos Aires Jorge Newbery

18h 41m

2 stops

ORD12:46 pmChicago O'Hare Intl

$1,121

LATAM Airlines

Nov 12

MDW1:05 pmChicago Midway

17h 45m

2 stops

EZE9:50 amBuenos Aires Ministro Pistarini

Nov 16

EZE7:20 amBuenos Aires Ministro Pistarini

18h 34m

2 stops

MDW10:54 pmChicago Midway

$1,126

Arajet flights from Chicago to Argentina

Our best Arajet deals on Chicago to Argentina flight tickets

Arajet

Nov 1

ORD3:20 amChicago O'Hare Intl

16h 29m

1 stop

MDZ10:49 pmMendoza El Plumerillo

Nov 6

MDZ5:00 amMendoza El Plumerillo

30h 57m

1 stop

ORD8:57 amChicago O'Hare Intl

$737

Arajet

Nov 1

ORD3:20 amChicago O'Hare Intl

16h 29m

1 stop

MDZ10:49 pmMendoza El Plumerillo

Nov 6

MDZ5:00 amMendoza El Plumerillo

30h 57m

1 stop

ORD8:57 amChicago O'Hare Intl

$757

Arajet

Oct 26

ORD4:30 amChicago O'Hare Intl

15h 35m

1 stop

EZE10:05 pmBuenos Aires Ministro Pistarini

Oct 29

EZE7:45 amBuenos Aires Ministro Pistarini

17h 55m

1 stop

ORD11:40 pmChicago O'Hare Intl

$758

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoMendoza

ORD Chicago O'Hare Intl - MDZ Mendoza El Plumerillo

ORDMDZ

Chicago O'Hare Intl

Sun 11/1

3:20 am-10:49 pm

1 stop16h 29m

Mendoza El Plumerillo

Fri 11/6

5:00 am-8:57 am

1 stop30h 57m

$737

ChicagoMendoza

ORD Chicago O'Hare Intl - MDZ Mendoza El Plumerillo

ORDMDZ

Chicago O'Hare Intl

Sun 11/1

3:20 am-10:49 pm

1 stop16h 29m

Mendoza El Plumerillo

Fri 11/6

5:00 am-8:57 am

1 stop30h 57m

$757

ChicagoBuenos Aires

ORD Chicago O'Hare Intl - EZE Buenos Aires Ministro Pistarini

ORDEZE

Chicago O'Hare Intl

Mon 10/26

4:30 am-10:05 pm

1 stop15h 35m

Buenos Aires Ministro Pistarini

Mon 11/2

11:05 pm-5:40 pm

2 stops45h 35m

$773

ChicagoMendoza

ORD Chicago O'Hare Intl - MDZ Mendoza El Plumerillo

ORDMDZ

Chicago O'Hare Intl

Sun 10/25

4:30 pm-10:49 pm

2 stops28h 19m

Mendoza El Plumerillo

Sat 10/31

3:28 am-11:20 pm

1 stop21h 52m

$804

ChicagoBuenos Aires

ORD Chicago O'Hare Intl - AEP Buenos Aires Jorge Newbery

ORDAEP

Chicago O'Hare Intl

Mon 10/26

11:30 pm-9:20 am

2 stops31h 50m

Buenos Aires Jorge Newbery

Thu 10/29

7:05 am-9:30 pm

1 stop16h 25m

$885

ChicagoBuenos Aires

ORD Chicago O'Hare Intl - AEP Buenos Aires Jorge Newbery

ORDAEP

Chicago O'Hare Intl

Mon 10/26

11:30 pm-9:20 am

2 stops31h 50m

Buenos Aires Jorge Newbery

Thu 10/29

7:05 am-9:30 pm

1 stop16h 25m

$952

ChicagoBuenos Aires

ORD Chicago O'Hare Intl - EZE Buenos Aires Ministro Pistarini

ORDEZE

Chicago O'Hare Intl

Sun 12/13

9:56 am-9:50 am

2 stops20h 54m

Buenos Aires Ministro Pistarini

Mon 12/14

3:10 pm-9:22 am

2 stops21h 12m

$1,023

Quickest round-trip

ChicagoBuenos Aires

ORD Chicago O'Hare Intl - EZE Buenos Aires Ministro Pistarini

ORDEZE

Chicago O'Hare Intl

Sat 3/13

3:00 pm-9:50 am

2 stops15h 50m

Buenos Aires Ministro Pistarini

Sun 3/28

1:10 pm-10:02 am

2 stops22h 52m

$1,030

ChicagoBuenos Aires

ORD Chicago O'Hare Intl - EZE Buenos Aires Ministro Pistarini

ORDEZE

Chicago O'Hare Intl

Sun 11/8

7:35 am-12:07 am

1 stop13h 32m

Buenos Aires Ministro Pistarini

Thu 11/12

2:33 pm-12:11 am

1 stop36h 38m

$1,075

ChicagoBuenos Aires

ORD Chicago O'Hare Intl - EZE Buenos Aires Ministro Pistarini

ORDEZE

Chicago O'Hare Intl

Tue 12/1

2:13 pm-10:24 pm

1 stop29h 11m

Buenos Aires Ministro Pistarini

Thu 12/10

8:58 am-12:46 pm

1 stop30h 48m

$1,084

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 May, then departing from Chicago during the month April is also very affordable. Most momondo users find prices during this month for around $984.

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 $1,204 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 $625 on momondo.

Can stopping save me money on Chicago to Argentina flights?

You could potentially save up to 33% 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

Best Price Found	$282
Fastest flight time	13h 15m
Direct flights	None

The best one-way flight to Argentina from Chicago in the past 72 hours is $282. The best round-trip flight deal from Chicago to Argentina found on momondo in the last 72 hours is $737.

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 8 as of September 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 6.1 54 reviews	Search Arajet flights
Copa Airlines	PriceFrom $609	Free Cancellation	Rating 7.6 1,542 reviews	Search Copa Airlines flights
LATAM Airlines	PriceFrom $727	Free Cancellation	Rating 7.4 1,984 reviews	Search LATAM Airlines flights
Avianca	PriceFrom $792	Free Cancellation	Rating 6.5 2,551 reviews	Search Avianca flights
Delta	PriceFrom $901	Free Cancellation	Rating 7.8 8,564 reviews	Search Delta flights
United Airlines	PriceFrom $951	Free Cancellation	Rating 7.4 10,214 reviews	Search United Airlines flights
American Airlines	PriceFrom $961	Free Cancellation	Rating 7.1 12,051 reviews	Search American Airlines flights
Aeromexico	PriceFrom $1,025	Free Cancellation	Rating 7.4 1,462 reviews	Search Aeromexico 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.