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

Arajet and Avianca are the most popular carriers operating from Chicago to Argentina

What airlines fly to Argentina?

United Airlines, American Airlines and Copa Airlines are the top three most popular airlines that fly to Argentina from Chicago according to our data. United 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 6 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 6 as of July 2025.

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.

$277 Cheap Flights from Chicago to Argentina in 2025

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Find the cheapest flights from Chicago to Argentina

Round-trip

One-way

Last minute

Cheap round-trip flights

3:30 am - 6:40 amORD-AEP

24h 10m2 stops

4:40 pm - 9:10 pmAEP-ORD

31h 30m2 stops

$759

Find Deal

Sun, Nov 30 - Sat, Feb 28

2:35 pm - 5:45 amORD-EZE

13h 10m1 stop

4:45 pm - 1:15 pmEZE-ORD

22h 30m1 stop

$795Avianca

Find Deal

Mon, Aug 25 - Sat, Aug 30

3:07 pm - 10:08 pmORD-EZE

29h 01m1 stop

2:32 pm - 1:41 pmEZE-ORD

25h 09m1 stop

$797Copa Airlines

Find Deal

Mon, Aug 18 - Sun, Aug 31

7:55 am - 12:55 amORD-EZE

15h 00m1 stop

8:55 am - 12:21 amEZE-ORD

17h 26m1 stop

$803Copa Airlines

Find Deal

Thu, Aug 21 - Fri, Aug 29

6:00 am - 1:25 amMDW-EZE

41h 25m2 stops

7:40 am - 11:48 amEZE-MDW

30h 08m2 stops

$913LATAM Airlines

Find Deal

Sun, Sep 21 - Wed, Oct 1

1:30 pm - 7:02 pmORD-COR

27h 32m2 stops

7:55 am - 11:53 pmCOR-ORD

17h 58m2 stops

$968LATAM Airlines

Find Deal

Thu, Oct 16 - Wed, Oct 29

5:45 am - 4:20 amORD-COR

20h 35m2 stops

8:20 am - 12:24 pmCOR-ORD

30h 04m2 stops

$1,015Delta

Find Deal

Wed, Sep 3 - Wed, Sep 10

5:25 pm - 1:55 pmMDW-EZE

18h 30m2 stops

8:10 pm - 11:55 amEZE-MDW

17h 45m1 stop

$1,015Delta

Find Deal

Mon, Oct 13 - Tue, Oct 21

1:53 am - 1:30 pmORD-USH

33h 37m2 stops

1:20 pm - 11:55 pmUSH-ORD

36h 35m2 stops

$3,037Aeromexico

Find Deal

Wed, Oct 1 - Mon, Oct 6

3:37 pm - 1:30 pmORD-USH

43h 53m2 stops

1:20 pm - 11:55 pmUSH-ORD

36h 35m2 stops

$3,181Aeromexico

Find Deal

Thu, Oct 2 - Mon, Oct 6

Delta flights from Chicago to Argentina

Our best Delta deals on Chicago to Argentina flight tickets

Delta

Oct 13

MDW5:25 pmChicago Midway

18h 30m

2 stops

EZE1:55 pmBuenos Aires Ministro Pistarini

Oct 21

EZE8:10 pmBuenos Aires Ministro Pistarini

17h 45m

1 stop

MDW11:55 amChicago Midway

$1,015

Find similar

Delta

Sep 16

MDW10:35 amChicago Midway

17h 20m

2 stops

EZE5:55 amBuenos Aires Ministro Pistarini

Feb 17

EZE8:55 pmBuenos Aires Ministro Pistarini

18h 40m

2 stops

MDW12:35 pmChicago Midway

$1,020

Find similar

Delta

Oct 12

MDW1:05 pmChicago Midway

22h 50m

2 stops

EZE1:55 pmBuenos Aires Ministro Pistarini

Oct 21

EZE8:10 pmBuenos Aires Ministro Pistarini

15h 41m

1 stop

MDW9:51 amChicago Midway

$1,055

Find similar

Copa Airlines flights from Chicago to Argentina

Our best Copa Airlines deals on Chicago to Argentina flight tickets

Copa Airlines

Aug 18

ORD3:07 pmChicago O'Hare Intl

29h 01m

1 stop

EZE10:08 pmBuenos Aires Ministro Pistarini

Aug 31

EZE2:32 pmBuenos Aires Ministro Pistarini

25h 09m

1 stop

ORD1:41 pmChicago O'Hare Intl

$797

Find similar

Copa Airlines

Aug 21

ORD7:55 amChicago O'Hare Intl

15h 00m

1 stop

EZE12:55 amBuenos Aires Ministro Pistarini

Aug 29

EZE8:55 amBuenos Aires Ministro Pistarini

17h 26m

1 stop

ORD12:21 amChicago O'Hare Intl

$803

Find similar

Copa Airlines

Oct 10

ORD7:54 amChicago O'Hare Intl

15h 01m

1 stop

EZE12:55 amBuenos Aires Ministro Pistarini

Oct 20

EZE2:32 pmBuenos Aires Ministro Pistarini

25h 10m

1 stop

ORD1:42 pmChicago O'Hare Intl

$823

Find similar

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 September, then departing from Chicago during the month July is also very affordable. Most momondo users find prices during this month for around $1,065.

What is the cheapest day to depart on your flight to Argentina?

The cheapest day to depart from Chicago to Argentina is on a Tuesday. Travelers who choose to depart for Argentina on a Tuesday will often find tickets for as low as $1,138. The most expensive day to fly to Argentina is Saturday, with ticket prices averaging around $1,258.

What is the cheapest time of day to depart on your flight to Argentina?

The cheapest time of day to fly to Argentina is in the evening when flights can be purchased for as low as $1,108. Flights in the afternoon are often more expensive with an average ticket price of $1,221.

How far in advance should I book a flight 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 $1,197 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 $781 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	$277
Fastest flight time	12h 58m
Direct flights	None
Airports in Argentina	4 airports

The best one-way flight to Argentina from Chicago in the past 72 hours is $277. The best round-trip flight deal from Chicago to Argentina found on momondo in the last 72 hours is $759.

The fastest flight from Chicago to Argentina takes 12h 58m

There are no direct flights from Chicago to Argentina. Popular non-direct routes for this connection are Chicago O'Hare Intl Airport - Buenos Aires Jorge Newbery Airport, Chicago O'Hare Intl Airport - Buenos Aires Ministro Pistarini Airport and Chicago Midway Airport - Buenos Aires Jorge Newbery Airport.

There are 4 airports near Argentina: Buenos Aires Ministro Pistarini (EZE), Mendoza El Plumerillo (MDZ), Cordoba Pajas Blancas (COR), Buenos Aires Jorge Newbery (AEP)

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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 6 as of July 2025.
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
Copa Airlines	PriceFrom $722	Free Cancellation	Rating 7.5 1,482 reviews	Search Copa Airlines flights
Avianca	PriceFrom $750	Free Cancellation	Rating 6.7 2,379 reviews	Search Avianca flights
Delta	PriceFrom $1,023	Free Cancellation	Rating 8.0 7,956 reviews	Search Delta flights
American Airlines	PriceFrom $1,031	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $1,093	Free Cancellation	Rating 7.4 8,858 reviews	Search United Airlines flights
LATAM Airlines	PriceFrom $1,186	Free Cancellation	Rating 7.5 1,808 reviews	Search LATAM Airlines 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.