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

Arajet, United Airlines, and American Airlines 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 August 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.

$203 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 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

16h 35m1 stop Punta Cana

7:10 am - 11:40 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

18h 30m1 stop Punta Cana

$496Arajet

Mon, Oct 5 - Thu, Oct 29

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

22h 00m1 stop Punta Cana

7:10 am - 11:40 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

18h 30m1 stop Punta Cana

$655Arajet

Fri, Oct 2 - Thu, Oct 29

5:30 am - 1:05 pmORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

29h 35m2 stops Punta Cana Cordoba Pajas Blancas

11:00 am - 11:40 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

14h 40m1 stop Punta Cana

$679Multiple Airlines

Mon, Sep 28 - Thu, Oct 29

5:30 am - 1:05 pmORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

29h 35m2 stops Punta Cana Cordoba Pajas Blancas

11:00 am - 11:40 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

14h 40m1 stop Punta Cana

$702Multiple Airlines

Mon, Oct 5 - Thu, Oct 29

3:40 pm - 9:40 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

16h 00m2 stops Atlanta Hartsfield-Jackson Miami

3:55 am - 11:59 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

22h 04m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$929LATAM Airlines

Wed, Sep 9 - Tue, Sep 15

3:20 pm - 10:26 pmORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

29h 06m1 stop Panama City Tocumen Intl

8:59 am - 1:02 amEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

18h 03m1 stop Panama City Tocumen Intl

$950Copa Airlines

Sun, Sep 13 - Thu, Sep 24

8:01 am - 12:51 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

14h 50m1 stop Panama City Tocumen Intl

8:59 am - 1:02 amEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

18h 03m1 stop Panama City Tocumen Intl

$950Copa Airlines

Fri, Sep 11 - Mon, Sep 21

1:51 pm - 3:45 pmORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

23h 54m2 stops Atlanta Hartsfield-Jackson Sao Paulo Guarulhos Intl

7:20 am - 11:52 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

18h 32m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$962Delta

Thu, Oct 1 - Sat, Oct 31

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

23h 40m1 stop Atlanta Hartsfield-Jackson

7:20 am - 11:52 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

18h 32m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$962Delta

Sun, Sep 27 - Sat, Oct 31

6:25 pm - 9:45 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

13h 20m1 stop Atlanta Hartsfield-Jackson

3:55 am - 11:59 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

22h 04m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$962LATAM Airlines

Wed, Sep 9 - Tue, Sep 15

Cheap last minute flights

Enter your travel dates to find the best prices.

2:30 pm - 7:15 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

14h 45m1 stop Miami

11:35 pm - 10:31 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

24h 56m1 stop Miami

$919American Airlines

Tue, Aug 18 - Sat, Aug 29

11:53 am - 7:15 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

17h 22m2 stops Charlotte Douglas Miami

11:35 pm - 10:31 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

24h 56m1 stop Miami

$923American Airlines

Tue, Aug 18 - Sat, Aug 29

10:07 am - 6:21 pmORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

30h 14m2 stops New York John F Kennedy Intl Santiago Arturo Merino Benitez

1:10 pm - 10:13 amEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

23h 03m2 stops Miami Atlanta Hartsfield-Jackson

$962LATAM Airlines

Tue, Aug 18 - Sat, Aug 29

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

23h 40m1 stop Atlanta Hartsfield-Jackson

5:00 am - 8:08 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

41h 08m3 stops Lima J Chavez Intl Miami Atlanta Hartsfield-Jackson

$964Multiple Airlines

Tue, Aug 18 - Tue, Sep 1

3:25 pm - 9:45 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

16h 20m1 stop Atlanta Hartsfield-Jackson

1:10 pm - 8:08 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

32h 58m2 stops Miami Atlanta Hartsfield-Jackson

$974Multiple Airlines

Tue, Aug 18 - Tue, Sep 1

3:21 pm - 12:51 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

31h 30m1 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

$992Copa Airlines

Tue, Aug 18 - Tue, Sep 1

8:02 am - 12:51 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

14h 49m1 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

$992Copa Airlines

Tue, Aug 18 - Tue, Sep 1

2:16 pm - 8:00 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

15h 44m1 stop Houston George Bush Intcntl

9:00 pm - 12:59 amEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

29h 59m1 stop Houston George Bush Intcntl

$995United Airlines

Tue, Aug 18 - Tue, Sep 1

8:50 am - 8:00 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

21h 10m1 stop Houston George Bush Intcntl

9:00 pm - 4:41 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

21h 41m1 stop Houston George Bush Intcntl

$1,020United Airlines

Tue, Aug 18 - Tue, Sep 1

6:25 pm - 9:45 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

13h 20m1 stop Atlanta Hartsfield-Jackson

12:15 pm - 2:09 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

27h 54m2 stops Santiago Arturo Merino Benitez Atlanta Hartsfield-Jackson

$1,029LATAM Airlines

Tue, Aug 18 - Tue, Sep 1

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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 5

ORD5:30 amChicago O'Hare Intl

16h 35m

1 stop

EZE12:05 amBuenos Aires Ministro Pistarini

Oct 29

EZE7:10 amBuenos Aires Ministro Pistarini

18h 30m

1 stop

ORD11:40 pmChicago O'Hare Intl

$496

Arajet

Oct 2

ORD6:45 amChicago O'Hare Intl

22h 00m

1 stop

EZE6:45 amBuenos Aires Ministro Pistarini

Oct 29

EZE7:10 amBuenos Aires Ministro Pistarini

18h 30m

1 stop

ORD11:40 pmChicago O'Hare Intl

$655

Arajet

Sep 28

ORD5:30 amChicago O'Hare Intl

16h 35m

1 stop

EZE12:05 amBuenos Aires Ministro Pistarini

Oct 29

EZE7:10 amBuenos Aires Ministro Pistarini

18h 30m

1 stop

ORD11:40 pmChicago O'Hare Intl

$666

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

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

American Airlines

Aug 18

ORD2:30 pmChicago O'Hare Intl

14h 45m

1 stop

EZE7:15 amBuenos Aires Ministro Pistarini

Aug 29

EZE11:35 pmBuenos Aires Ministro Pistarini

24h 56m

1 stop

ORD10:31 pmChicago O'Hare Intl

$919

American Airlines

Aug 18

ORD11:53 amChicago O'Hare Intl

17h 22m

2 stops

EZE7:15 amBuenos Aires Ministro Pistarini

Aug 29

EZE11:35 pmBuenos Aires Ministro Pistarini

24h 56m

1 stop

ORD10:31 pmChicago O'Hare Intl

$923

American Airlines

Aug 18

ORD5:00 amChicago O'Hare Intl

24h 15m

1 stop

EZE7:15 amBuenos Aires Ministro Pistarini

Sep 1

EZE8:50 pmBuenos Aires Ministro Pistarini

23h 04m

1 stop

ORD5:54 pmChicago O'Hare Intl

$979

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 Chicago O'Hare Intl - EZE Buenos Aires Ministro Pistarini

ORDEZE

Chicago O'Hare Intl

Mon 10/5

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

$496

ChicagoBuenos Aires

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

ORDEZE

Chicago O'Hare Intl

Fri 10/2

6:45 am-6:45 am

1 stop22h 00m

Buenos Aires Ministro Pistarini

Thu 10/29

7:10 am-11:40 pm

1 stop18h 30m

$655

ChicagoBuenos Aires

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

ORDEZE

Chicago O'Hare Intl

Mon 9/28

5:30 am-1:05 pm

2 stops29h 35m

Buenos Aires Ministro Pistarini

Thu 10/29

11:00 am-11:40 pm

1 stop14h 40m

$679

ChicagoBuenos Aires

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

ORDEZE

Chicago O'Hare Intl

Mon 10/5

5:30 am-1:05 pm

2 stops29h 35m

Buenos Aires Ministro Pistarini

Thu 10/29

11:00 am-11:40 pm

1 stop14h 40m

$702

ChicagoBuenos Aires

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

ORDEZE

Chicago O'Hare Intl

Wed 9/9

3:40 pm-9:40 am

2 stops16h 00m

Buenos Aires Ministro Pistarini

Tue 9/15

3:55 am-11:59 pm

2 stops22h 04m

$929

ChicagoBuenos Aires

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

ORDEZE

Chicago O'Hare Intl

Sun 9/13

3:20 pm-10:26 pm

1 stop29h 06m

Buenos Aires Ministro Pistarini

Thu 9/24

8:59 am-1:02 am

1 stop18h 03m

$950

Quickest round-trip

ChicagoBuenos Aires

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

ORDEZE

Chicago O'Hare Intl

Fri 9/11

8:01 am-12:51 am

1 stop14h 50m

Buenos Aires Ministro Pistarini

Mon 9/21

8:59 am-1:02 am

1 stop18h 03m

$950

ChicagoBuenos Aires

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

ORDEZE

Chicago O'Hare Intl

Thu 10/1

1:51 pm-3:45 pm

2 stops23h 54m

Buenos Aires Ministro Pistarini

Sat 10/31

7:20 am-11:52 pm

2 stops18h 32m

$962

ChicagoBuenos Aires

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

ORDEZE

Chicago O'Hare Intl

Sun 9/27

8:05 am-9:45 am

1 stop23h 40m

Buenos Aires Ministro Pistarini

Sat 10/31

7:20 am-11:52 pm

2 stops18h 32m

$962

ChicagoBuenos Aires

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

ORDEZE

Chicago O'Hare Intl

Wed 9/9

6:25 pm-9:45 am

1 stop13h 20m

Buenos Aires Ministro Pistarini

Tue 9/15

3:55 am-11:59 pm

2 stops22h 04m

$962

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 November, then departing from Chicago O'Hare Intl Airport during the month May is also very affordable. Most momondo users find prices during this month for around $1,003.

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 $1,202 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 43% 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 20m
Direct flights	None

The fastest flight from Chicago O'Hare Intl Airport to Argentina takes 13h 20m

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 August 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 6.1 54 reviews	Search Arajet flights
Copa Airlines	PriceFrom $609	Free Cancellation	Rating 7.6 1,558 reviews	Search Copa Airlines flights
LATAM Airlines	PriceFrom $727	Free Cancellation	Rating 7.4 1,980 reviews	Search LATAM Airlines flights
Avianca	PriceFrom $792	Free Cancellation	Rating 6.5 2,537 reviews	Search Avianca flights
Delta	PriceFrom $901	Free Cancellation	Rating 7.8 8,508 reviews	Search Delta flights
United Airlines	PriceFrom $951	Free Cancellation	Rating 7.4 10,111 reviews	Search United Airlines flights
American Airlines	PriceFrom $968	Free Cancellation	Rating 7.1 11,940 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.