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

Arajet, Avianca, and Copa Airlines are the most popular carriers operating from Illinois 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 Illinois 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 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 Illinois to Argentina?

Prices for flights from Illinois to Argentina refresh daily.

How many operators does momondo search for flights from Illinois to Argentina?

As of December 2025, there are 7 operators available to choose from for flights from Illinois to Argentina.

How old do you have to be to fly from Illinois 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 Illinois to Argentina.

What documentation or ID do you need to fly to Argentina?

The required travel and health documents for your Argentina trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Argentina. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$245 Cheap Flights from Illinois to Argentina in 2025/26

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Find the cheapest flights from Illinois to Argentina

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

10:27 am - 3:45 am

ORD

EZE

14h 18m1 stop

5:00 am - 8:57 am

EZE

ORD

30h 57m1 stop

$767Multiple Airlines

Sat, Jan 24 - Fri, Feb 6

10:27 am - 3:45 am

ORD

EZE

14h 18m1 stop

5:00 am - 8:57 am

EZE

ORD

30h 57m1 stop

$771Multiple Airlines

Sat, Jan 24 - Fri, Feb 6

5:45 am - 12:05 am

ORD

EZE

15h 20m1 stop

8:40 am - 9:10 pm

EZE

ORD

15h 30m1 stop

$775Arajet

Wed, Feb 11 - Sun, Mar 1

5:45 am - 12:05 am

ORD

EZE

15h 20m1 stop

8:45 pm - 8:20 pm

EZE

ORD

26h 35m2 stops

$776Multiple Airlines

Mon, Jan 26 - Mon, Feb 2

5:45 am - 12:05 am

ORD

EZE

15h 20m1 stop

9:15 pm - 9:57 am

EZE

ORD

14h 42m1 stop

$791Arajet

Wed, Feb 25 - Fri, Mar 13

12:46 pm - 9:00 am

MDW

EZE

17h 14m1 stop

2:45 pm - 9:56 am

EZE

MDW

21h 11m2 stops

$889LATAM Airlines

Tue, Feb 3 - Fri, Mar 20

12:47 pm - 1:45 pm

MDW

EZE

22h 58m2 stops

7:45 am - 12:02 pm

EZE

MDW

30h 17m2 stops

$906LATAM Airlines

Thu, Mar 19 - Mon, Mar 30

8:10 pm - 12:23 am

ORD

COR

25h 13m2 stops

5:29 am - 7:46 am

COR

ORD

29h 17m2 stops

$1,018United Airlines

Sun, Feb 15 - Tue, Feb 24

9:34 am - 10:15 am

MDW

EZE

21h 41m2 stops

8:55 pm - 9:54 am

EZE

MDW

15h 59m1 stop

$1,020Delta

Thu, Feb 19 - Thu, Feb 26

5:40 am - 3:52 am

ORD

COR

19h 12m2 stops

5:29 am - 7:53 pm

COR

ORD

41h 24m2 stops

$1,054United Airlines

Tue, Feb 10 - Tue, Feb 17

LATAM Airlines flights from Illinois to Argentina

Our best LATAM Airlines deals on Illinois to Argentina flight tickets

LATAM Airlines

Mar 23

ORD9:50 amChicago O'Hare Intl

21h 45m

2 stops

EZE9:35 amBuenos Aires Ministro Pistarini

Mar 26

EZE2:45 pmBuenos Aires Ministro Pistarini

21h 15m

2 stops

ORD10:00 amChicago O'Hare Intl

$795

Find similar

LATAM Airlines

Feb 3

MDW12:46 pmChicago Midway

17h 14m

1 stop

EZE9:00 amBuenos Aires Ministro Pistarini

Mar 20

EZE2:45 pmBuenos Aires Ministro Pistarini

21h 11m

2 stops

MDW9:56 amChicago Midway

$889

Find similar

LATAM Airlines

Mar 19

MDW12:47 pmChicago Midway

22h 58m

2 stops

EZE1:45 pmBuenos Aires Ministro Pistarini

Mar 30

EZE7:45 amBuenos Aires Ministro Pistarini

30h 17m

2 stops

MDW12:02 pmChicago Midway

$906

Find similar

Air Canada flights from Illinois to Argentina

Our best Air Canada deals on Illinois to Argentina flight tickets

Air Canada

Mar 8

ORD3:35 pmChicago O'Hare Intl

21h 35m

2 stops

EZE3:10 pmBuenos Aires Ministro Pistarini

Mar 16

EZE4:45 pmBuenos Aires Ministro Pistarini

29h 25m

2 stops

ORD8:10 pmChicago O'Hare Intl

$858

Find similar

Air Canada

May 11

ORD8:20 pmChicago O'Hare Intl

40h 10m

2 stops

EZE2:30 pmBuenos Aires Ministro Pistarini

May 21

EZE4:35 pmBuenos Aires Ministro Pistarini

29h 33m

2 stops

ORD8:08 pmChicago O'Hare Intl

$861

Find similar

Air Canada

Mar 2

ORD6:00 pmChicago O'Hare Intl

42h 10m

3 stops

EZE3:10 pmBuenos Aires Ministro Pistarini

Mar 13

EZE4:45 pmBuenos Aires Ministro Pistarini

20h 33m

2 stops

ORD11:18 amChicago O'Hare Intl

$862

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Sat 1/24

10:27 am-3:45 am

1 stop14h 18m

Buenos Aires Ministro Pistarini

Fri 2/6

5:00 am-8:57 am

1 stop30h 57m

$767

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Sat 1/24

10:27 am-3:45 am

1 stop14h 18m

Buenos Aires Ministro Pistarini

Fri 2/6

5:00 am-8:57 am

1 stop30h 57m

$771

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Wed 2/11

5:45 am-12:05 am

1 stop15h 20m

Buenos Aires Ministro Pistarini

Sun 3/1

8:40 am-9:10 pm

1 stop15h 30m

$775

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 1/26

5:45 am-12:05 am

1 stop15h 20m

Buenos Aires Ministro Pistarini

Mon 2/2

8:45 pm-8:20 pm

2 stops26h 35m

$776

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Wed 2/25

5:45 am-12:05 am

1 stop15h 20m

Buenos Aires Ministro Pistarini

Fri 3/13

9:15 pm-9:57 am

1 stop14h 42m

$791

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Tue 2/3

12:46 pm-9:00 am

1 stop17h 14m

Buenos Aires Ministro Pistarini

Fri 3/20

2:45 pm-9:56 am

2 stops21h 11m

$889

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Thu 3/19

12:47 pm-1:45 pm

2 stops22h 58m

Buenos Aires Ministro Pistarini

Mon 3/30

7:45 am-12:02 pm

2 stops30h 17m

$906

ChicagoCordoba

ORD - COR

ORDCOR

Chicago O'Hare Intl

Sun 2/15

8:10 pm-12:23 am

2 stops25h 13m

Cordoba Pajas Blancas

Tue 2/24

5:29 am-7:46 am

2 stops29h 17m

$1,018

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Thu 2/19

9:34 am-10:15 am

2 stops21h 41m

Buenos Aires Ministro Pistarini

Thu 2/26

8:55 pm-9:54 am

1 stop15h 59m

$1,020

ChicagoCordoba

ORD - COR

ORDCOR

Chicago O'Hare Intl

Tue 2/10

5:40 am-3:52 am

2 stops19h 12m

Cordoba Pajas Blancas

Tue 2/17

5:29 am-7:53 pm

2 stops41h 24m

$1,054

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 Illinois 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 October, then departing from Illinois during the month November is also very affordable. Most momondo users find prices during this month for around $963.

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

The cheapest day to depart from Illinois 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 Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Argentina for around $1,126 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Argentina from Illinois for as low as $760 on momondo.

Can stopping save me money on Illinois to Argentina flights?

You could potentially save up to 8% on your flight if you consider stops on a Illinois to Argentina flight.

Cheap Illinois to Argentina flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Argentina

Fastest flight time	13h 00m
Direct flights	None

The fastest flight from Illinois to Argentina takes 13h 00m

There are no direct flights from Illinois to Argentina. There are no popular flight routes from Illinois to Argentina.

Search flight deals

When did momondo last update prices for flights from Illinois to Argentina?
Prices for flights from Illinois to Argentina refresh daily.
How many operators does momondo search for flights from Illinois to Argentina?
As of December 2025, there are 7 operators available to choose from for flights from Illinois to Argentina.
How old do you have to be to fly from Illinois 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 Illinois to Argentina.
What documentation or ID do you need to fly to Argentina?
The required travel and health documents for your Argentina trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Argentina. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Illinois to Argentina

Compare and see reviews for airlines that fly from Illinois to Argentina with momondo

Airline	Rating	Free Cancellation	Price
Arajet	PriceFrom $360	Free Cancellation	Rating 6.6 40 reviews	Search Arajet flights
Copa Airlines	PriceFrom $609	Free Cancellation	Rating 7.6 1,561 reviews	Search Copa Airlines flights
Avianca	PriceFrom $750	Free Cancellation	Rating 6.6 2,490 reviews	Search Avianca flights
Delta	PriceFrom $951	Free Cancellation	Rating 7.9 8,019 reviews	Search Delta flights
United Airlines	PriceFrom $951	Free Cancellation	Rating 7.4 9,113 reviews	Search United Airlines flights
American Airlines	PriceFrom $1,015	Free Cancellation	Rating 7.2 11,073 reviews	Search American Airlines flights
LATAM Airlines	PriceFrom $1,186	Free Cancellation	Rating 7.5 1,895 reviews	Search LATAM Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Argentina?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Argentina from Illinois.

Can I find flights from Illinois to Argentina with flexible booking policies on momondo?

momondo does allow users to show only those flights to Argentina from Illinois which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Illinois to Argentina?

momondo provides multiple filters to help you find the best flight to Argentina from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Illinois to Argentina right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Illinois to Argentina now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Argentina and let you know when they change.