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Cheap flights from Illinois to Argentina from $321

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Argentina departing on 10/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Illinois to Argentina

Cheap round-trip flights

Copa Airlines Logo
6:56 am - 3:51 amORD-COR
17h 55m1 stop
Copa Airlines Logo
5:37 am - 12:05 amCOR-ORD
21h 28m1 stop
$717Copa Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 12
Copa Airlines Logo
7:59 am - 3:49 amORD-COR
17h 50m1 stop
Copa Airlines Logo
5:38 am - 12:56 amCOR-ORD
21h 18m1 stop
$765Copa Airlines
Find Deal
Wed, Oct 22 - Sun, Oct 26
Multiple Airlines Logo
2:35 pm - 5:30 pmORD-AEP
24h 55m2 stops
Multiple Airlines Logo
10:15 am - 1:15 pmAEP-ORD
29h 00m2 stops
$845Multiple Airlines
Find Deal
Mon, Oct 20 - Mon, Oct 27
Multiple Airlines Logo
5:05 am - 5:55 amORD-EZE
21h 50m3 stops
Multiple Airlines Logo
3:30 am - 11:42 pmEZE-ORD
23h 12m3 stops
$846Multiple Airlines
Find Deal
Wed, Nov 5 - Tue, Nov 11
Arajet Logo
5:45 am - 12:05 amORD-EZE
15h 20m1 stop
Arajet Logo
9:15 pm - 8:57 amEZE-ORD
14h 42m1 stop
$850Arajet
Find Deal
Mon, Nov 17 - Fri, Dec 19
Arajet Logo
5:45 am - 12:05 amORD-EZE
15h 20m1 stop
Arajet Logo
9:15 pm - 8:57 amEZE-ORD
14h 42m1 stop
$852Arajet
Find Deal
Wed, Nov 19 - Fri, Dec 19
Air Canada Logo
3:35 pm - 3:10 pmORD-EZE
20h 35m2 stops
Air Canada Logo
4:45 pm - 11:06 amEZE-ORD
21h 21m2 stops
$856Air Canada
Find Deal
Tue, Feb 10 - Wed, Feb 18
Avianca Logo
10:20 pm - 5:40 amORD-AEP
28h 20m1 stop
Avianca Logo
7:00 am - 8:20 pmAEP-ORD
16h 20m1 stop
$858Avianca
Find Deal
Tue, Dec 2 - Wed, Dec 10
Avianca Logo
2:35 pm - 5:45 amORD-EZE
13h 10m1 stop
Avianca Logo
1:40 am - 1:15 pmEZE-ORD
13h 35m1 stop
$860Avianca
Find Deal
Sun, Oct 12 - Sat, Oct 18
Air Canada Logo
7:15 am - 3:10 pmORD-EZE
28h 55m2 stops
Air Canada Logo
4:45 pm - 2:55 pmEZE-ORD
25h 10m2 stops
$861Air Canada
Find Deal
Thu, Feb 5 - Fri, Feb 20

Arajet flights from Illinois to Argentina

Our best Arajet deals on Illinois to Argentina flight tickets
Arajet
Nov 17
ORD5:45 amChicago O'Hare Intl
15h 20m
1 stop
EZE12:05 amBuenos Aires Ministro Pistarini
Dec 19
EZE9:15 pmBuenos Aires Ministro Pistarini
14h 42m
1 stop
ORD8:57 amChicago O'Hare Intl
$850
Find similar
Arajet
Nov 19
ORD5:45 amChicago O'Hare Intl
15h 20m
1 stop
EZE12:05 amBuenos Aires Ministro Pistarini
Dec 19
EZE9:15 pmBuenos Aires Ministro Pistarini
14h 42m
1 stop
ORD8:57 amChicago O'Hare Intl
$852
Find similar
Arajet
Nov 19
ORD5:45 amChicago O'Hare Intl
15h 20m
1 stop
EZE12:05 amBuenos Aires Ministro Pistarini
Dec 21
EZE8:40 amBuenos Aires Ministro Pistarini
15h 30m
1 stop
ORD9:10 pmChicago O'Hare Intl
$896
Find similar

Delta flights from Illinois to Argentina

Our best Delta deals on Illinois to Argentina flight tickets
Delta
Nov 17
MDW10:47 amChicago Midway
16h 08m
2 stops
EZE5:55 amBuenos Aires Ministro Pistarini
Dec 2
EZE8:55 pmBuenos Aires Ministro Pistarini
15h 59m
1 stop
MDW9:54 amChicago Midway
$1,015
Find similar
Delta
Mar 11
MDW1:00 pmChicago Midway
19h 15m
2 stops
EZE10:15 amBuenos Aires Ministro Pistarini
Mar 23
EZE10:25 pmBuenos Aires Ministro Pistarini
20h 00m
2 stops
MDW4:25 pmChicago Midway
$1,020
Find similar
Delta
Nov 18
STL9:33 amLambert-St Louis
17h 22m
2 stops
EZE5:55 amBuenos Aires Ministro Pistarini
Nov 26
EZE8:55 pmBuenos Aires Ministro Pistarini
16h 04m
1 stop
STL9:59 amLambert-St Louis
$1,025
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Argentina that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 22, 2025.
Use the filters below to find and compare flights from Illinois to Argentina that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoCordoba

ORD - COR

ORDCOR

Chicago O'Hare Intl

Wed 11/5

6:56 am-3:51 am

1 stop17h 55m

Cordoba Pajas Blancas

Wed 11/12

5:37 am-12:05 am

1 stop21h 28m

$717

ChicagoCordoba

ORD - COR

ORDCOR

Chicago O'Hare Intl

Wed 10/22

7:59 am-3:49 am

1 stop17h 50m

Cordoba Pajas Blancas

Sun 10/26

5:38 am-12:56 am

1 stop21h 18m

$765

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Mon 10/20

2:35 pm-5:30 pm

2 stops24h 55m

Buenos Aires Jorge Newbery

Mon 10/27

10:15 am-1:15 pm

2 stops29h 00m

$845

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Wed 11/5

5:05 am-5:55 am

3 stops21h 50m

Buenos Aires Ministro Pistarini

Tue 11/11

3:30 am-11:42 pm

3 stops23h 12m

$846

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 11/17

5:45 am-12:05 am

1 stop15h 20m

Buenos Aires Ministro Pistarini

Fri 12/19

9:15 pm-8:57 am

1 stop14h 42m

$850

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Wed 11/19

5:45 am-12:05 am

1 stop15h 20m

Buenos Aires Ministro Pistarini

Fri 12/19

9:15 pm-8:57 am

1 stop14h 42m

$852

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Tue 2/10

3:35 pm-3:10 pm

2 stops20h 35m

Buenos Aires Ministro Pistarini

Wed 2/18

4:45 pm-11:06 am

2 stops21h 21m

$856

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Tue 12/2

10:20 pm-5:40 am

1 stop28h 20m

Buenos Aires Jorge Newbery

Wed 12/10

7:00 am-8:20 pm

1 stop16h 20m

$858

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Sun 10/12

2:35 pm-5:45 am

1 stop13h 10m

Buenos Aires Ministro Pistarini

Sat 10/18

1:40 am-1:15 pm

1 stop13h 35m

$860

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Thu 2/5

7:15 am-3:10 pm

2 stops28h 55m

Buenos Aires Ministro Pistarini

Fri 2/20

4:45 pm-2:55 pm

2 stops25h 10m

$861

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Argentina from

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

What is the cheapest month to fly to Argentina?

If you are unable to visit Argentina during the month of July, then departing from Illinois during the month September is also very affordable. Most momondo users find prices during this month for around $1,032.

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 $1,166 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 $805 on momondo.

Can stopping save me money on Illinois to Argentina flights?

You could potentially save up to 21% 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

Direct flights

None
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?

  • 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
Copa AirlinesPriceFrom $670Free CancellationRating
7.6
1,536 reviews
Search Copa Airlines flights
ArajetPriceFrom $736Free CancellationRating
7.0
35 reviews
Search Arajet flights
AviancaPriceFrom $753Free CancellationRating
6.7
2,438 reviews
Search Avianca flights
American AirlinesPriceFrom $1,015Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $1,023Free CancellationRating
7.9
7,971 reviews
Search Delta flights
United AirlinesPriceFrom $1,093Free CancellationRating
7.4
8,922 reviews
Search United Airlines flights
LATAM AirlinesPriceFrom $1,165Free CancellationRating
7.5
1,851 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.

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