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

Arajet, LATAM Airlines, and Copa Airlines are the most popular carriers operating from Illinois 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 Illinois 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 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 October 2026, there are 8 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.

$355 Cheap Flights from Illinois to Argentina in 2026/27

Discover deals from 900+ travel sites with momondo.

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.

10:38 am - 7:35 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

41h 57m2 stops Baltimore/Washington Atlanta Hartsfield-Jackson

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

14h 40m1 stop Punta Cana

$702Multiple Airlines

Thu, Dec 3 - Thu, Dec 17

5:20 am - 1:45 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

18h 25m1 stop Punta Cana

8:40 am - 11:20 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

16h 40m1 stop Punta Cana

$707Arajet

Mon, Mar 15 - Sun, Apr 4

10:38 am - 12:52 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

35h 14m2 stops Baltimore/Washington Panama City Tocumen Intl

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

14h 40m1 stop Punta Cana

$722Multiple Airlines

Fri, Dec 4 - Thu, Dec 17

5:45 am - 6:35 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

21h 50m1 stop Punta Cana

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

14h 40m1 stop Punta Cana

$737Arajet

Fri, Dec 4 - Thu, Dec 17

7:35 am - 12:52 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

14h 17m1 stop Panama City Tocumen Intl

4:25 am - 12:11 amEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

22h 46m1 stop Panama City Tocumen Intl

$894Copa Airlines

Thu, Nov 26 - Tue, Dec 8

2:13 pm - 6:20 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

13h 07m1 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

$900Copa Airlines

Mon, Nov 9 - Sun, Nov 22

10:30 pm - 3:40 pmORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

14h 10m1 stop Bogotá El Dorado

7:25 am - 8:30 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

16h 05m1 stop Bogotá El Dorado

$911Avianca

Thu, Nov 26 - Wed, Dec 9

10:30 pm - 3:40 pmORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

14h 10m1 stop Bogotá El Dorado

7:25 am - 8:30 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

16h 05m1 stop Bogotá El Dorado

$911Avianca

Tue, Nov 10 - Sat, Nov 14

2:32 pm - 10:35 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

17h 03m1 stop New York LaGuardia

10:10 am - 11:59 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

16h 49m2 stops Miami Charlotte Douglas

$914American Airlines

Thu, Nov 26 - Wed, Dec 9

10:31 am - 10:00 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

20h 29m1 stop Miami

8:40 pm - 12:40 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

19h 00m1 stop New York John F Kennedy Intl

$926American Airlines

Sat, Dec 5 - Sun, Dec 13

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

7:45 am - 10:40 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

17h 55m1 stop Punta Cana

$986Arajet

Sat, Oct 10 - Thu, Nov 5

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

13h 58m1 stop Punta Cana

2:40 pm - 6:45 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

31h 05m2 stops Miami Atlanta Hartsfield-Jackson

$992Multiple Airlines

Sat, Oct 10 - Wed, Nov 4

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

16h 35m1 stop Punta Cana

7:45 am - 10:40 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

17h 55m1 stop Punta Cana

$1,072Arajet

Mon, Oct 12 - Thu, Nov 5

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

13h 58m1 stop Punta Cana

6:35 am - 9:21 amEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

28h 46m3 stops Santo Domingo Las Americas Miami Atlanta Hartsfield-Jackson

$1,074Multiple Airlines

Sat, Oct 10 - Sat, Oct 17

4:26 pm - 11:05 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

16h 39m1 stop New York John F Kennedy Intl

9:10 pm - 4:50 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

21h 40m1 stop New York John F Kennedy Intl

$1,116American Airlines

Sat, Oct 10 - Sat, Oct 17

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

23h 40m1 stop Atlanta Hartsfield-Jackson

5:00 pm - 12:46 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

22h 46m2 stops Sao Paulo Guarulhos Intl New York John F Kennedy Intl

$1,116Delta

Sun, Oct 11 - Mon, Nov 9

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

21h 54m1 stop Atlanta Hartsfield-Jackson

11:35 pm - 12:20 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

15h 45m1 stop Atlanta Hartsfield-Jackson

$1,116Delta

Sun, Oct 11 - Thu, Nov 12

6:25 am - 8:00 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

23h 35m1 stop Houston George Bush Intcntl

10:05 pm - 6:30 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

23h 25m1 stop Houston George Bush Intcntl

$1,116United Airlines

Tue, Oct 13 - Fri, Nov 13

6:25 am - 8:00 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

23h 35m1 stop Houston George Bush Intcntl

10:05 pm - 11:17 amEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

16h 12m1 stop Houston George Bush Intcntl

$1,116United Airlines

Sun, Oct 11 - Fri, Nov 13

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

19h 34m1 stop New York John F Kennedy Intl

9:10 pm - 12:52 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

17h 42m2 stops New York John F Kennedy Intl Washington, D.C. Reagan-National

$1,120American Airlines

Sat, Oct 10 - Sat, Oct 17

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Avianca flights from Illinois to Argentina

Our best Avianca deals on Illinois to Argentina flight tickets

Avianca

Nov 26

ORD10:30 pmChicago O'Hare Intl

14h 10m

1 stop

EZE3:40 pmBuenos Aires Ministro Pistarini

Dec 9

EZE7:25 amBuenos Aires Ministro Pistarini

16h 05m

1 stop

ORD8:30 pmChicago O'Hare Intl

$909

Avianca

Nov 10

ORD10:30 pmChicago O'Hare Intl

14h 10m

1 stop

EZE3:40 pmBuenos Aires Ministro Pistarini

Nov 14

EZE7:25 amBuenos Aires Ministro Pistarini

16h 05m

1 stop

ORD8:30 pmChicago O'Hare Intl

$911

Avianca

Nov 3

ORD10:30 pmChicago O'Hare Intl

28h 35m

1 stop

EZE6:05 amBuenos Aires Ministro Pistarini

Nov 10

EZE7:25 amBuenos Aires Ministro Pistarini

16h 05m

1 stop

ORD8:30 pmChicago O'Hare Intl

$934

American Airlines flights from Illinois to Argentina

Our best American Airlines deals on Illinois to Argentina flight tickets

American Airlines

Nov 26

ORD2:32 pmChicago O'Hare Intl

17h 03m

1 stop

EZE10:35 amBuenos Aires Ministro Pistarini

Dec 9

EZE10:10 amBuenos Aires Ministro Pistarini

16h 49m

2 stops

ORD11:59 pmChicago O'Hare Intl

$915

American Airlines

Dec 6

MLI11:32 amMoline Quad-City

18h 28m

1 stop

EZE9:00 amBuenos Aires Ministro Pistarini

Dec 14

EZE10:30 pmBuenos Aires Ministro Pistarini

21h 19m

1 stop

MLI4:49 pmMoline Quad-City

$1,218

American Airlines

Dec 6

MLI11:26 amMoline Quad-City

18h 39m

2 stops

EZE9:05 amBuenos Aires Ministro Pistarini

Dec 14

EZE10:30 pmBuenos Aires Ministro Pistarini

21h 19m

1 stop

MLI4:49 pmMoline Quad-City

$1,222

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

Thu 12/3

10:38 am-7:35 am

2 stops41h 57m

Buenos Aires Ministro Pistarini

Thu 12/17

11:00 am-10:40 pm

1 stop14h 40m

$702

ChicagoBuenos Aires

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

ORDEZE

Chicago O'Hare Intl

Mon 3/15

5:20 am-1:45 am

1 stop18h 25m

Buenos Aires Ministro Pistarini

Sun 4/4

8:40 am-11:20 pm

1 stop16h 40m

$707

ChicagoBuenos Aires

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

ORDEZE

Chicago O'Hare Intl

Fri 12/4

10:38 am-12:52 am

2 stops35h 14m

Buenos Aires Ministro Pistarini

Thu 12/17

11:00 am-10:40 pm

1 stop14h 40m

$722

ChicagoBuenos Aires

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

ORDEZE

Chicago O'Hare Intl

Fri 12/4

5:45 am-6:35 am

1 stop21h 50m

Buenos Aires Ministro Pistarini

Thu 12/17

11:00 am-10:40 pm

1 stop14h 40m

$737

ChicagoBuenos Aires

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

ORDEZE

Chicago O'Hare Intl

Thu 11/26

7:35 am-12:52 am

1 stop14h 17m

Buenos Aires Ministro Pistarini

Tue 12/8

4:25 am-12:11 am

1 stop22h 46m

$894

ChicagoBuenos Aires

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

ORDEZE

Chicago O'Hare Intl

Mon 11/9

2:13 pm-6:20 am

1 stop13h 07m

Buenos Aires Ministro Pistarini

Sun 11/22

4:20 am-12:11 am

1 stop22h 51m

$900

Quickest round-trip

ChicagoBuenos Aires

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

ORDEZE

Chicago O'Hare Intl

Thu 11/26

10:30 pm-3:40 pm

1 stop14h 10m

Buenos Aires Ministro Pistarini

Wed 12/9

7:25 am-8:30 pm

1 stop16h 05m

$911

ChicagoBuenos Aires

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

ORDEZE

Chicago O'Hare Intl

Tue 11/10

10:30 pm-3:40 pm

1 stop14h 10m

Buenos Aires Ministro Pistarini

Sat 11/14

7:25 am-8:30 pm

1 stop16h 05m

$911

ChicagoBuenos Aires

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

ORDEZE

Chicago O'Hare Intl

Thu 11/26

2:32 pm-10:35 am

1 stop17h 03m

Buenos Aires Ministro Pistarini

Wed 12/9

10:10 am-11:59 pm

2 stops16h 49m

$914

ChicagoBuenos Aires

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

ORDEZE

Chicago O'Hare Intl

Sat 12/5

10:31 am-10:00 am

1 stop20h 29m

Buenos Aires Ministro Pistarini

Sun 12/13

8:40 pm-12:40 pm

1 stop19h 00m

$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 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 April, then departing from Illinois during the month May is also very affordable. Most momondo users find prices during this month for around $993.

How far in advance should I book a flight from Illinois 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 $1,220 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 $625 on momondo.

Can stopping save me money on Illinois to Argentina flights?

You could potentially save up to 22% 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

Best Price Found	$355
Fastest flight time	12h 25m
Direct flights	None

The best one-way flight to Argentina from Illinois in the past 72 hours is $355. The best round-trip flight deal from Illinois to Argentina found on momondo in the last 72 hours is $702.

The fastest flight from Illinois to Argentina takes 12h 25m

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

Search flight deals

Frequently asked questions about flying from Illinois to Argentina

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 October 2026, there are 8 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 6.2 57 reviews	Search Arajet flights
Copa Airlines	PriceFrom $609	Free Cancellation	Rating 7.6 1,551 reviews	Search Copa Airlines flights
Avianca	PriceFrom $674	Free Cancellation	Rating 6.5 2,558 reviews	Search Avianca flights
LATAM Airlines	PriceFrom $727	Free Cancellation	Rating 7.4 1,975 reviews	Search LATAM Airlines flights
Delta	PriceFrom $901	Free Cancellation	Rating 7.8 8,654 reviews	Search Delta flights
United Airlines	PriceFrom $951	Free Cancellation	Rating 7.4 10,331 reviews	Search United Airlines flights
American Airlines	PriceFrom $961	Free Cancellation	Rating 7.0 12,153 reviews	Search American Airlines flights
Aeromexico	PriceFrom $1,025	Free Cancellation	Rating 7.5 1,438 reviews	Search Aeromexico 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.