How long is the flight from Argentina to Illinois?

The flight from Argentina to Illinois depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Buenos Aires (a popular airport in Argentina) to Chicago O'Hare Intl Airport (the most popular airport in Illinois), then the flight time is 15h 20m on average. If you fly from Cordoba (another popular airport in Argentina) to Chicago O'Hare Intl Airport, then the average flight time is 15h 55m.

What airlines fly to Illinois?

American Airlines, Avianca and Delta are the top three most popular airlines that fly to Illinois from Argentina according to our data. American Airlines is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 5 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

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

Avianca is the most popular carrier operating from Argentina to Illinois

When did momondo last update prices for flights from Argentina to Illinois?

Prices for flights from Argentina to Illinois are updated daily.

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

As of November 2025, there are 5 operators available to choose from for flights from Argentina to Illinois.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Argentina to Illinois.

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

The required travel and health documents for your Illinois 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 Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$351 Cheap Flights from Argentina to Illinois in 2025/26

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Find the cheapest flights from Argentina to Illinois

Round-trip

One-way

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Recent round-trip flight deals from Argentina to Illinois

Enter your travel dates to find the best prices.

2:40 am - 6:36 pmEZE-ORD

42h 56m2 stops

5:45 am - 12:05 amORD-EZE

15h 20m1 stop

$689Multiple Airlines

Find Deal

Mon, Dec 15 - Wed, Dec 31

4:30 pm - 6:36 pmAEP-ORD

29h 06m3 stops

7:41 pm - 7:30 amORD-AEP

32h 49m2 stops

$699Multiple Airlines

Find Deal

Fri, Dec 5 - Sun, Dec 7

1:40 am - 8:20 pmEZE-ORD

21h 40m1 stop

10:20 pm - 3:50 pmORD-EZE

14h 30m1 stop

$834Avianca

Find Deal

Mon, Nov 17 - Wed, Dec 3

7:00 am - 8:20 pmAEP-ORD

16h 20m1 stop

8:50 am - 5:40 amORD-AEP

17h 50m2 stops

$909Avianca

Find Deal

Fri, Dec 5 - Sun, Dec 7

8:55 pm - 11:55 amEZE-MDW

18h 00m1 stop

10:49 am - 9:00 amMDW-EZE

19h 11m1 stop

$944Delta

Find Deal

Wed, Dec 3 - Thu, Dec 11

11:55 pm - 11:58 amEZE-MDW

15h 03m1 stop

11:21 am - 7:20 amMDW-EZE

16h 59m1 stop

$998Delta

Find Deal

Sun, Dec 21 - Tue, Jan 6

1:26 am - 1:31 pmMDZ-ORD

14h 05m1 stop

8:35 am - 12:16 amORD-MDZ

13h 41m1 stop

$1,173Copa Airlines

Find Deal

Mon, Mar 9 - Thu, Apr 2

11:30 pm - 9:35 pmEZE-STL

24h 05m1 stop

12:09 pm - 7:15 amSTL-EZE

17h 06m1 stop

$1,226American Airlines

Find Deal

Mon, Apr 6 - Wed, Jun 24

11:30 pm - 9:35 pmEZE-STL

24h 05m1 stop

12:50 pm - 9:00 amSTL-EZE

18h 10m2 stops

$1,230American Airlines

Find Deal

Mon, Apr 6 - Wed, Jun 24

1:27 am - 1:24 amMDZ-ORD

25h 57m1 stop

8:35 am - 12:16 amORD-MDZ

13h 41m1 stop

$1,342Copa Airlines

Find Deal

Wed, Apr 1 - Mon, Apr 6

Avianca flights from Argentina to Illinois

Our best Avianca deals on Argentina to Illinois flight tickets

Avianca

Nov 6

EZE1:40 amBuenos Aires Ministro Pistarini

21h 40m

1 stop

ORD8:20 pmChicago O'Hare Intl

Nov 9

ORD8:50 amChicago O'Hare Intl

18h 00m

2 stops

EZE5:50 amBuenos Aires Ministro Pistarini

$810

Find similar

Avianca

Nov 17

EZE1:40 amBuenos Aires Ministro Pistarini

21h 40m

1 stop

ORD8:20 pmChicago O'Hare Intl

Dec 3

ORD10:20 pmChicago O'Hare Intl

14h 30m

1 stop

EZE3:50 pmBuenos Aires Ministro Pistarini

$834

Find similar

Avianca

Nov 7

EZE1:40 amBuenos Aires Ministro Pistarini

19h 51m

2 stops

ORD6:31 pmChicago O'Hare Intl

Nov 10

ORD10:20 pmChicago O'Hare Intl

23h 15m

1 stop

EZE12:35 amBuenos Aires Ministro Pistarini

$861

Find similar

Air Canada flights from Argentina to Illinois

Our best Air Canada deals on Argentina to Illinois flight tickets

Air Canada

Mar 20

EZE4:45 pmBuenos Aires Ministro Pistarini

20h 33m

2 stops

ORD11:18 amChicago O'Hare Intl

Apr 19

ORD12:50 pmChicago O'Hare Intl

23h 40m

2 stops

EZE2:30 pmBuenos Aires Ministro Pistarini

$831

Find similar

Air Canada

Mar 20

EZE4:45 pmBuenos Aires Ministro Pistarini

20h 33m

2 stops

ORD11:18 amChicago O'Hare Intl

Apr 19

ORD12:50 pmChicago O'Hare Intl

23h 40m

3 stops

EZE2:30 pmBuenos Aires Ministro Pistarini

$837

Find similar

Air Canada

Apr 22

EZE4:35 pmBuenos Aires Ministro Pistarini

19h 33m

2 stops

ORD10:08 amChicago O'Hare Intl

Apr 27

ORD8:20 pmChicago O'Hare Intl

40h 10m

2 stops

EZE2:30 pmBuenos Aires Ministro Pistarini

$842

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Mon 12/15

2:40 am-6:36 pm

2 stops42h 56m

Chicago O'Hare Intl

Wed 12/31

5:45 am-12:05 am

1 stop15h 20m

$689

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Fri 12/5

4:30 pm-6:36 pm

3 stops29h 06m

Chicago O'Hare Intl

Sun 12/7

7:41 pm-7:30 am

2 stops32h 49m

$699

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Mon 11/17

1:40 am-8:20 pm

1 stop21h 40m

Chicago O'Hare Intl

Wed 12/3

10:20 pm-3:50 pm

1 stop14h 30m

$834

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Fri 12/5

7:00 am-8:20 pm

1 stop16h 20m

Chicago O'Hare Intl

Sun 12/7

8:50 am-5:40 am

2 stops17h 50m

$909

Buenos AiresChicago

EZE - MDW

EZEMDW

Buenos Aires Ministro Pistarini

Wed 12/3

8:55 pm-11:55 am

1 stop18h 00m

Chicago Midway

Thu 12/11

10:49 am-9:00 am

1 stop19h 11m

$944

Buenos AiresChicago

EZE - MDW

EZEMDW

Buenos Aires Ministro Pistarini

Sun 12/21

11:55 pm-11:58 am

1 stop15h 03m

Chicago Midway

Tue 1/6

11:21 am-7:20 am

1 stop16h 59m

$998

MendozaChicago

MDZ - ORD

MDZORD

Mendoza El Plumerillo

Mon 3/9

1:26 am-1:31 pm

1 stop14h 05m

Chicago O'Hare Intl

Thu 4/2

8:35 am-12:16 am

1 stop13h 41m

$1,173

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Mon 4/6

11:30 pm-9:35 pm

1 stop24h 05m

Lambert-St Louis

Wed 6/24

12:09 pm-7:15 am

1 stop17h 06m

$1,226

Buenos AiresSt. Louis

EZE - STL

EZESTL

Buenos Aires Ministro Pistarini

Mon 4/6

11:30 pm-9:35 pm

1 stop24h 05m

Lambert-St Louis

Wed 6/24

12:50 pm-9:00 am

2 stops18h 10m

$1,230

MendozaChicago

MDZ - ORD

MDZORD

Mendoza El Plumerillo

Wed 4/1

1:27 am-1:24 am

1 stop25h 57m

Chicago O'Hare Intl

Mon 4/6

8:35 am-12:16 am

1 stop13h 41m

$1,342

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 Argentina to Illinois

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

Other information

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Argentina is in January. Flight prices, which tend to average around $974, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $1,050.

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

The cheapest day to depart from Argentina to Illinois is on a Wednesday when prices can be found for as low as $1,152. Flights from Argentina to Illinois on a Sunday will generally be more expensive and average around $1,449. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to Illinois is in the morning. Flights from Argentina to Illinois during this time can be as low as $1,178. Flights in the afternoon are often more expensive with an average ticket price of $1,471.

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from Argentina when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $1,246 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Argentina for as low as $800 on momondo.

Can stopping save me money on Argentina to Illinois flights?

You could potentially save up to 29% on your flight if you consider stops on a Argentina to Illinois flight.

Cheap Argentina to Illinois flight deals and tips

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

Direct flights	None

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

Search flight deals

When did momondo last update prices for flights from Argentina to Illinois?
Prices for flights from Argentina to Illinois are updated daily.
How many operators does momondo search for flights from Argentina to Illinois?
As of November 2025, there are 5 operators available to choose from for flights from Argentina to Illinois.
How old do you have to be to fly from Argentina to Illinois?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Argentina to Illinois.
What documentation or ID do you need to fly to Illinois?
The required travel and health documents for your Illinois 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 Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Argentina to Illinois

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

Airline	Rating	Free Cancellation	Price
Avianca	PriceFrom $578	Free Cancellation	Rating 6.6 2,471 reviews	Search Avianca flights
American Airlines	PriceFrom $694	Free Cancellation	Rating 7.2 11,039 reviews	Search American Airlines flights
Copa Airlines	PriceFrom $750	Free Cancellation	Rating 7.6 1,561 reviews	Search Copa Airlines flights
United Airlines	PriceFrom $777	Free Cancellation	Rating 7.4 9,001 reviews	Search United Airlines flights
Delta	PriceFrom $884	Free Cancellation	Rating 7.9 8,004 reviews	Search Delta flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Argentina to Illinois. momondo saves you time and could save you money on your trip.

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

All flight searches from Argentina to Illinois on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from Argentina.

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

Yes. momondo can track prices for Argentina to Illinois 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.