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

Arajet, Copa 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 36% 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 November 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.

$329 Cheap Flights from Chicago to Argentina in 2026/27

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

16h 35m1 stop Punta Cana

11:00 am - 11:25 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

14h 25m1 stop Punta Cana

$782Arajet

Mon, Apr 26 - Thu, Apr 29

5:30 am - 12:05 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

16h 35m1 stop Punta Cana

9:15 pm - 11:12 amEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

15h 57m1 stop Punta Cana

$816Arajet

Mon, Apr 5 - Fri, Apr 16

10:30 pm - 3:40 pmORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

14h 10m1 stop Bogotá El Dorado

1:40 am - 8:30 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

21h 50m1 stop Bogotá El Dorado

$898Avianca

Fri, Nov 27 - Wed, Dec 9

11:27 am - 7:35 amMDW Chicago Midway-EZE Buenos Aires Ministro Pistarini

17h 08m1 stop Atlanta Hartsfield-Jackson

9:30 pm - 10:28 amEZE Buenos Aires Ministro Pistarini-MDW Chicago Midway

15h 58m1 stop Atlanta Hartsfield-Jackson

$899LATAM Airlines

Fri, Nov 27 - Thu, Dec 10

4:20 am - 7:40 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

24h 20m1 stop Punta Cana

4:55 pm - 10:13 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

32h 18m2 stops Lima J Chavez Intl Mexico City Benito Juarez

$899Multiple Airlines

Sun, Jan 3 - Mon, Jan 25

4:13 pm - 9:40 amMDW Chicago Midway-EZE Buenos Aires Ministro Pistarini

14h 27m1 stop Atlanta Hartsfield-Jackson

8:05 pm - 10:54 pmEZE Buenos Aires Ministro Pistarini-MDW Chicago Midway

29h 49m2 stops New York John F Kennedy Intl Atlanta Hartsfield-Jackson

$903LATAM Airlines

Fri, Nov 27 - Thu, Dec 10

10:30 pm - 3:40 pmORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

14h 10m1 stop Bogotá El Dorado

1:40 am - 8:30 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

21h 50m1 stop Bogotá El Dorado

$911Avianca

Tue, Dec 1 - Wed, Dec 9

2:13 pm - 10:20 pmORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

29h 07m1 stop Panama City Tocumen Intl

9:10 am - 12:11 amEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

18h 01m1 stop Panama City Tocumen Intl

$914Copa Airlines

Tue, Nov 17 - Mon, Dec 7

7:35 am - 4:25 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

17h 50m1 stop Panama City Tocumen Intl

9:10 am - 12:46 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

30h 36m1 stop Panama City Tocumen Intl

$914Copa Airlines

Mon, Nov 16 - Mon, Nov 30

5:25 am - 9:32 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

25h 07m3 stops Houston George Bush Intcntl Miami Punta Cana

8:05 pm - 10:13 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

29h 08m2 stops Lima J Chavez Intl Mexico City Benito Juarez

$926Multiple Airlines

Fri, Nov 27 - Fri, Dec 4

Cheap last minute flights

Enter your travel dates to find the best prices.

5:27 am - 4:00 pmORD Chicago O'Hare Intl-AEP Buenos Aires Jorge Newbery

31h 33m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

8:05 pm - 12:24 pmAEP Buenos Aires Jorge Newbery-ORD Chicago O'Hare Intl

19h 19m2 stops Sao Paulo Guarulhos Intl Atlanta Hartsfield-Jackson

$934Delta

Sat, Nov 7 - Fri, Dec 4

2:13 pm - 12:07 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

30h 54m1 stop Panama City Tocumen Intl

9:10 am - 12:11 amEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

18h 01m1 stop Panama City Tocumen Intl

$942Copa Airlines

Wed, Nov 4 - Fri, Nov 13

6:30 am - 4:00 pmORD Chicago O'Hare Intl-AEP Buenos Aires Jorge Newbery

30h 30m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

4:40 am - 11:56 pmAEP Buenos Aires Jorge Newbery-ORD Chicago O'Hare Intl

22h 16m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$959Delta

Sat, Nov 7 - Sun, Dec 6

8:05 am - 6:20 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

19h 15m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

4:00 am - 11:54 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

22h 54m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$1,046LATAM Airlines

Sat, Nov 7 - Thu, Nov 12

5:45 am - 6:50 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

22h 05m1 stop Punta Cana

11:10 pm - 10:40 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

26h 30m1 stop Punta Cana

$1,075Arajet

Fri, Nov 6 - Wed, Nov 11

5:45 am - 6:50 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

22h 05m1 stop Punta Cana

7:10 pm - 8:30 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

28h 20m2 stops Santiago Arturo Merino Benitez Bogotá El Dorado

$1,076Multiple Airlines

Fri, Nov 6 - Wed, Nov 11

11:10 am - 4:00 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

13h 50m1 stop Punta Cana

5:20 am - 10:10 amEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

31h 50m1 stop Punta Cana

$1,101Arajet

Sat, Nov 7 - Fri, Nov 13

5:45 am - 6:50 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

22h 05m1 stop Punta Cana

12:45 pm - 8:30 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

34h 45m3 stops Rio de Janeiro–Galeão Intl Sao Paulo Guarulhos Intl Bogotá El Dorado

$1,130Multiple Airlines

Fri, Nov 6 - Wed, Nov 11

3:40 pm - 4:00 pmORD Chicago O'Hare Intl-AEP Buenos Aires Jorge Newbery

21h 20m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

8:05 pm - 12:46 pmAEP Buenos Aires Jorge Newbery-ORD Chicago O'Hare Intl

19h 41m2 stops Lima J Chavez Intl New York John F Kennedy Intl

$1,162LATAM Airlines

Sat, Nov 7 - Fri, Nov 13

7:35 am - 3:16 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

16h 41m1 stop Panama City Tocumen Intl

9:10 am - 12:11 amEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

18h 01m1 stop Panama City Tocumen Intl

$1,473Copa Airlines

Sat, Nov 7 - Fri, Nov 13

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Copa Airlines flights from Chicago to Argentina

Our best Copa Airlines deals on Chicago to Argentina flight tickets

Copa Airlines

Nov 17

ORD2:13 pmChicago O'Hare Intl

29h 07m

1 stop

EZE10:20 pmBuenos Aires Ministro Pistarini

Dec 7

EZE9:10 amBuenos Aires Ministro Pistarini

18h 01m

1 stop

ORD12:11 amChicago O'Hare Intl

$914

Copa Airlines

Nov 13

ORD7:35 amChicago O'Hare Intl

21h 25m

1 stop

EZE8:00 amBuenos Aires Ministro Pistarini

Nov 26

EZE3:40 amBuenos Aires Ministro Pistarini

23h 31m

1 stop

ORD12:11 amChicago O'Hare Intl

$942

Copa Airlines

Feb 9

ORD2:13 pmChicago O'Hare Intl

29h 07m

1 stop

EZE10:20 pmBuenos Aires Ministro Pistarini

Feb 17

EZE2:45 pmBuenos Aires Ministro Pistarini

25h 01m

1 stop

ORD12:46 pmChicago O'Hare Intl

$970

LATAM Airlines flights from Chicago to Argentina

Our best LATAM Airlines deals on Chicago to Argentina flight tickets

LATAM Airlines

Nov 27

MDW11:27 amChicago Midway

17h 08m

1 stop

EZE7:35 amBuenos Aires Ministro Pistarini

Dec 10

EZE9:30 pmBuenos Aires Ministro Pistarini

15h 58m

1 stop

MDW10:28 amChicago Midway

$899

LATAM Airlines

Nov 27

MDW4:13 pmChicago Midway

14h 27m

1 stop

EZE9:40 amBuenos Aires Ministro Pistarini

Dec 10

EZE8:05 pmBuenos Aires Ministro Pistarini

29h 49m

2 stops

MDW10:54 pmChicago Midway

$903

LATAM Airlines

Jan 4

ORD5:30 amChicago O'Hare Intl

23h 05m

1 stop

EZE7:35 amBuenos Aires Ministro Pistarini

Jan 25

EZE11:35 pmBuenos Aires Ministro Pistarini

19h 18m

1 stop

ORD3:53 pmChicago O'Hare Intl

$918

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

ChicagoBuenos Aires

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

ORDEZE

Chicago O'Hare Intl

Mon 4/26

5:30 am-12:05 am

1 stop16h 35m

Buenos Aires Ministro Pistarini

Thu 4/29

11:00 am-11:25 pm

1 stop14h 25m

$782

ChicagoBuenos Aires

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

ORDEZE

Chicago O'Hare Intl

Mon 4/5

5:30 am-12:05 am

1 stop16h 35m

Buenos Aires Ministro Pistarini

Fri 4/16

9:15 pm-11:12 am

1 stop15h 57m

$816

ChicagoBuenos Aires

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

ORDEZE

Chicago O'Hare Intl

Fri 11/27

10:30 pm-3:40 pm

1 stop14h 10m

Buenos Aires Ministro Pistarini

Wed 12/9

1:40 am-8:30 pm

1 stop21h 50m

$898

ChicagoBuenos Aires

MDW Chicago Midway - EZE Buenos Aires Ministro Pistarini

MDWEZE

Chicago Midway

Fri 11/27

11:27 am-7:35 am

1 stop17h 08m

Buenos Aires Ministro Pistarini

Thu 12/10

9:30 pm-10:28 am

1 stop15h 58m

$899

ChicagoBuenos Aires

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

ORDEZE

Chicago O'Hare Intl

Sun 1/3

4:20 am-7:40 am

1 stop24h 20m

Buenos Aires Ministro Pistarini

Mon 1/25

4:55 pm-10:13 pm

2 stops32h 18m

$899

ChicagoBuenos Aires

MDW Chicago Midway - EZE Buenos Aires Ministro Pistarini

MDWEZE

Chicago Midway

Fri 11/27

4:13 pm-9:40 am

1 stop14h 27m

Buenos Aires Ministro Pistarini

Thu 12/10

8:05 pm-10:54 pm

2 stops29h 49m

$903

ChicagoBuenos Aires

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

ORDEZE

Chicago O'Hare Intl

Tue 12/1

10:30 pm-3:40 pm

1 stop14h 10m

Buenos Aires Ministro Pistarini

Wed 12/9

1:40 am-8:30 pm

1 stop21h 50m

$911

ChicagoBuenos Aires

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

ORDEZE

Chicago O'Hare Intl

Tue 11/17

2:13 pm-10:20 pm

1 stop29h 07m

Buenos Aires Ministro Pistarini

Mon 12/7

9:10 am-12:11 am

1 stop18h 01m

$914

ChicagoBuenos Aires

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

ORDEZE

Chicago O'Hare Intl

Mon 11/16

7:35 am-4:25 am

1 stop17h 50m

Buenos Aires Ministro Pistarini

Mon 11/30

9:10 am-12:46 pm

1 stop30h 36m

$914

ChicagoBuenos Aires

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

ORDEZE

Chicago O'Hare Intl

Fri 11/27

5:25 am-9:32 am

3 stops25h 07m

Buenos Aires Ministro Pistarini

Fri 12/4

8:05 pm-10:13 pm

2 stops29h 08m

$926

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 April, then departing from Chicago during the month May is also very affordable. Most momondo users find prices during this month for around $998.

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 $1,232 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 $805 on momondo.

Can stopping save me money on Chicago to Argentina flights?

You could potentially save up to 24% 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	$329
Fastest flight time	12h 51m
Direct flights	None

The best one-way flight to Argentina from Chicago in the past 72 hours is $329. The best round-trip flight deal from Chicago to Argentina found on momondo in the last 72 hours is $782.

The fastest flight from Chicago to Argentina takes 12h 51m

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 November 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 $576	Free Cancellation	Rating 6.4 60 reviews	Search Arajet flights
Copa Airlines	PriceFrom $609	Free Cancellation	Rating 7.6 1,552 reviews	Search Copa Airlines flights
LATAM Airlines	PriceFrom $727	Free Cancellation	Rating 7.4 1,969 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 8,697 reviews	Search Delta flights
American Airlines	PriceFrom $968	Free Cancellation	Rating 7.0 12,233 reviews	Search American Airlines flights
United Airlines	PriceFrom $1,015	Free Cancellation	Rating 7.3 10,458 reviews	Search United Airlines flights
Aeromexico	PriceFrom $1,025	Free Cancellation	Rating 7.5 1,428 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.