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

Arajet, Delta, and Copa 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 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 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 October 2026, there are 8 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.

$294 Cheap Flights from Chicago O'Hare Intl Airport to Argentina in 2026/27

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.

11:30 pm - 12:45 amORD Chicago O'Hare Intl-COR Cordoba Pajas Blancas

47h 15m2 stops Bogotá El Dorado Rio de Janeiro–Galeão Intl

7:40 am - 9:30 pmCOR Cordoba Pajas Blancas-ORD Chicago O'Hare Intl

15h 50m1 stop Bogotá El Dorado

$618Avianca

Mon, Oct 26 - Thu, Oct 29

11:30 pm - 12:45 amORD Chicago O'Hare Intl-COR Cordoba Pajas Blancas

47h 15m2 stops Bogotá El Dorado Rio de Janeiro–Galeão Intl

7:40 am - 9:30 pmCOR Cordoba Pajas Blancas-ORD Chicago O'Hare Intl

15h 50m1 stop Bogotá El Dorado

$620Avianca

Mon, Oct 26 - Thu, Oct 29

5:45 am - 9:32 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

24h 47m1 stop Punta Cana

11:00 am - 10:40 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

14h 40m1 stop Punta Cana

$666Arajet

Fri, Dec 4 - Thu, Dec 17

4:20 am - 10:05 pmORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

14h 45m1 stop Punta Cana

8:40 am - 10:20 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

16h 40m1 stop Punta Cana

$771Arajet

Sun, Feb 28 - Sun, Mar 7

4:20 am - 10:17 pmORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

38h 57m2 stops Punta Cana Mendoza El Plumerillo

11:00 am - 10:40 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

14h 40m1 stop Punta Cana

$829Multiple Airlines

Sun, Feb 14 - Thu, Feb 25

1:35 pm - 10:55 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

18h 20m1 stop New York John F Kennedy Intl

11:00 am - 10:40 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

14h 40m1 stop Punta Cana

$856Multiple Airlines

Fri, Dec 4 - Thu, Dec 17

2:13 pm - 1:11 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

31h 58m1 stop Panama City Tocumen Intl

3:40 am - 12:11 amEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

23h 31m1 stop Panama City Tocumen Intl

$914Copa Airlines

Mon, Nov 2 - Wed, Nov 11

7:35 am - 3:10 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

16h 35m1 stop Panama City Tocumen Intl

4:20 am - 12:11 amEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

22h 51m1 stop Panama City Tocumen Intl

$914Copa Airlines

Thu, Nov 12 - Sun, Nov 15

2:44 pm - 9:40 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

15h 56m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson

8:05 pm - 1:09 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

20h 04m1 stop New York John F Kennedy Intl

$915Delta

Thu, Nov 26 - Wed, Dec 9

9:51 am - 6:20 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

17h 29m2 stops Atlanta Hartsfield-Jackson Lima J Chavez Intl

8:05 pm - 9:27 amEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

16h 22m1 stop New York John F Kennedy Intl

$926Delta

Mon, Nov 16 - Sun, Nov 22

Cheap last minute flights

Enter your travel dates to find the best prices.

12:12 pm - 4:10 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

13h 58m1 stop Punta Cana

5:25 am - 3:30 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

36h 05m2 stops Panama City Tocumen Intl Fort Lauderdale

$993Multiple Airlines

Sat, Oct 10 - Tue, Oct 13

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

16h 35m1 stop Punta Cana

9:15 pm - 12:26 amEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

29h 11m3 stops Punta Cana Miami Dallas/Fort Worth

$1,078Multiple Airlines

Mon, Oct 5 - Mon, Oct 12

1:23 pm - 9:45 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

18h 22m1 stop Atlanta Hartsfield-Jackson

1:10 pm - 10:11 amEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

23h 01m2 stops Miami Atlanta Hartsfield-Jackson

$1,099LATAM Airlines

Thu, Oct 8 - Thu, Oct 22

9:51 am - 9:45 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

21h 54m1 stop Atlanta Hartsfield-Jackson

8:10 pm - 12:13 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

18h 03m1 stop Atlanta Hartsfield-Jackson

$1,115LATAM Airlines

Thu, Oct 8 - Thu, Oct 22

8:45 am - 8:00 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

21h 15m1 stop Houston George Bush Intcntl

9:00 pm - 2:50 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

19h 50m1 stop Houston George Bush Intcntl

$1,116United Airlines

Mon, Oct 5 - Mon, Oct 12

2:10 pm - 8:00 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

15h 50m1 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

$1,116United Airlines

Mon, Oct 5 - Mon, Oct 12

1:31 pm - 11:05 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

19h 34m1 stop New York John F Kennedy Intl

8:40 pm - 3:31 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

20h 51m1 stop Miami

$1,116American Airlines

Mon, Oct 5 - Mon, Oct 12

10:34 am - 11:05 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

22h 31m1 stop New York John F Kennedy Intl

10:30 pm - 2:20 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

17h 50m2 stops Miami Charlotte Douglas

$1,120American Airlines

Mon, Oct 5 - Mon, Oct 12

11:19 am - 9:45 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

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

8:10 pm - 8:39 amEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

14h 29m1 stop Atlanta Hartsfield-Jackson

$1,120Delta

Thu, Oct 8 - Thu, Oct 15

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 - 12:59 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

18h 49m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

$1,120Delta

Thu, Oct 8 - Thu, Oct 15

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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

Dec 4

ORD5:45 amChicago O'Hare Intl

24h 47m

1 stop

EZE9:32 amBuenos Aires Ministro Pistarini

Dec 17

EZE11:00 amBuenos Aires Ministro Pistarini

14h 40m

1 stop

ORD10:40 pmChicago O'Hare Intl

$666

Arajet

Feb 28

ORD4:20 amChicago O'Hare Intl

14h 45m

1 stop

EZE10:05 pmBuenos Aires Ministro Pistarini

Mar 7

EZE8:40 amBuenos Aires Ministro Pistarini

16h 40m

1 stop

ORD10:20 pmChicago O'Hare Intl

$771

Arajet

Feb 28

ORD4:20 amChicago O'Hare Intl

14h 45m

1 stop

EZE10:05 pmBuenos Aires Ministro Pistarini

Mar 11

EZE11:00 amBuenos Aires Ministro Pistarini

14h 40m

1 stop

ORD10:40 pmChicago O'Hare Intl

$772

Delta flights from Chicago O'Hare Intl Airport to Argentina

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

Delta

Nov 26

ORD2:44 pmChicago O'Hare Intl

15h 56m

2 stops

EZE9:40 amBuenos Aires Ministro Pistarini

Dec 9

EZE8:05 pmBuenos Aires Ministro Pistarini

20h 04m

1 stop

ORD1:09 pmChicago O'Hare Intl

$915

Delta

Dec 1

ORD10:15 amChicago O'Hare Intl

21h 40m

1 stop

EZE10:55 amBuenos Aires Ministro Pistarini

Dec 10

EZE11:35 pmBuenos Aires Ministro Pistarini

20h 31m

1 stop

ORD5:06 pmChicago O'Hare Intl

$926

Delta

Dec 5

ORD3:00 pmChicago O'Hare Intl

15h 50m

2 stops

EZE9:50 amBuenos Aires Ministro Pistarini

Dec 13

EZE8:05 pmBuenos Aires Ministro Pistarini

16h 25m

1 stop

ORD9:30 amChicago O'Hare Intl

$930

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

ChicagoCordoba

ORD Chicago O'Hare Intl - COR Cordoba Pajas Blancas

ORDCOR

Chicago O'Hare Intl

Mon 10/26

11:30 pm-12:45 am

2 stops47h 15m

Cordoba Pajas Blancas

Thu 10/29

7:40 am-9:30 pm

1 stop15h 50m

$618

ChicagoCordoba

ORD Chicago O'Hare Intl - COR Cordoba Pajas Blancas

ORDCOR

Chicago O'Hare Intl

Mon 10/26

11:30 pm-12:45 am

2 stops47h 15m

Cordoba Pajas Blancas

Thu 10/29

7:40 am-9:30 pm

1 stop15h 50m

$620

ChicagoBuenos Aires

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

ORDEZE

Chicago O'Hare Intl

Fri 12/4

5:45 am-9:32 am

1 stop24h 47m

Buenos Aires Ministro Pistarini

Thu 12/17

11:00 am-10:40 pm

1 stop14h 40m

$666

Quickest round-trip

ChicagoBuenos Aires

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

ORDEZE

Chicago O'Hare Intl

Sun 2/28

4:20 am-10:05 pm

1 stop14h 45m

Buenos Aires Ministro Pistarini

Sun 3/7

8:40 am-10:20 pm

1 stop16h 40m

$771

ChicagoBuenos Aires

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

ORDEZE

Chicago O'Hare Intl

Sun 2/14

4:20 am-10:17 pm

2 stops38h 57m

Buenos Aires Ministro Pistarini

Thu 2/25

11:00 am-10:40 pm

1 stop14h 40m

$829

ChicagoBuenos Aires

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

ORDEZE

Chicago O'Hare Intl

Fri 12/4

1:35 pm-10:55 am

1 stop18h 20m

Buenos Aires Ministro Pistarini

Thu 12/17

11:00 am-10:40 pm

1 stop14h 40m

$856

ChicagoBuenos Aires

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

ORDEZE

Chicago O'Hare Intl

Mon 11/2

2:13 pm-1:11 am

1 stop31h 58m

Buenos Aires Ministro Pistarini

Wed 11/11

3:40 am-12:11 am

1 stop23h 31m

$914

ChicagoBuenos Aires

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

ORDEZE

Chicago O'Hare Intl

Thu 11/12

7:35 am-3:10 am

1 stop16h 35m

Buenos Aires Ministro Pistarini

Sun 11/15

4:20 am-12:11 am

1 stop22h 51m

$914

ChicagoBuenos Aires

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

ORDEZE

Chicago O'Hare Intl

Thu 11/26

2:44 pm-9:40 am

2 stops15h 56m

Buenos Aires Ministro Pistarini

Wed 12/9

8:05 pm-1:09 pm

1 stop20h 04m

$915

ChicagoBuenos Aires

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

ORDEZE

Chicago O'Hare Intl

Mon 11/16

9:51 am-6:20 am

2 stops17h 29m

Buenos Aires Ministro Pistarini

Sun 11/22

8:05 pm-9:27 am

1 stop16h 22m

$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 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 May, then departing from Chicago O'Hare Intl Airport during the month November is also very affordable. Most momondo users find prices during this month for around $1,011.

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 $1,220 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 $625 on momondo.

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

You could potentially save up to 22% 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

Best Price Found	$294
Fastest flight time	12h 45m
Direct flights	None

The best one-way flight to Argentina from Chicago O'Hare Intl Airport in the past 72 hours is $294. The best round-trip flight deal from Chicago O'Hare Intl Airport to Argentina found on momondo in the last 72 hours is $618.

The fastest flight from Chicago O'Hare Intl Airport to Argentina takes 12h 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 October 2026, there are 8 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 6.2 55 reviews	Search Arajet flights
Copa Airlines	PriceFrom $609	Free Cancellation	Rating 7.6 1,544 reviews	Search Copa Airlines flights
Avianca	PriceFrom $674	Free Cancellation	Rating 6.5 2,560 reviews	Search Avianca flights
LATAM Airlines	PriceFrom $727	Free Cancellation	Rating 7.4 1,977 reviews	Search LATAM Airlines flights
Delta	PriceFrom $901	Free Cancellation	Rating 7.8 8,626 reviews	Search Delta flights
United Airlines	PriceFrom $951	Free Cancellation	Rating 7.4 10,284 reviews	Search United Airlines flights
American Airlines	PriceFrom $961	Free Cancellation	Rating 7.0 12,133 reviews	Search American Airlines flights
Aeromexico	PriceFrom $1,025	Free Cancellation	Rating 7.5 1,449 reviews	Search Aeromexico 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.