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Cheap flights from Illinois to Buenos Aires from $262

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 Buenos Aires departing on 4/25. 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 Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:20 pm - 9:20 pm
ORD
-
AEP
20h 00m
2 stops
Multiple Airlines Logo
11:55 am - 9:20 pm
AEP
-
ORD
35h 25m
2 stops
$906Multiple Airlines
Mon, Mar 30 - Mon, Apr 6
Multiple Airlines Logo
11:20 pm - 9:20 pm
ORD
-
AEP
20h 00m
2 stops
Multiple Airlines Logo
2:45 pm - 9:20 pm
AEP
-
ORD
32h 35m
2 stops
$908Multiple Airlines
Mon, May 11 - Sun, May 17
Avianca Logo
11:20 pm - 5:40 am
ORD
-
AEP
28h 20m
1 stop
Avianca Logo
7:00 am - 9:20 pm
AEP
-
ORD
16h 20m
1 stop
$915Avianca
Sun, May 17 - Wed, May 27
Avianca Logo
11:20 pm - 5:40 am
ORD
-
AEP
28h 20m
1 stop
Avianca Logo
7:00 am - 9:20 pm
AEP
-
ORD
16h 20m
1 stop
$917Avianca
Sun, Apr 19 - Mon, Apr 27
Multiple Airlines Logo
10:55 am - 8:40 pm
ORD
-
AEP
31h 45m
3 stops
Multiple Airlines Logo
4:30 pm - 9:20 pm
AEP
-
ORD
30h 50m
2 stops
$918Multiple Airlines
Fri, Apr 3 - Sat, Apr 11
Avianca Logo
11:20 pm - 5:40 am
ORD
-
AEP
28h 20m
1 stop
Avianca Logo
7:00 am - 9:20 pm
AEP
-
ORD
16h 20m
1 stop
$920Avianca
Wed, May 6 - Mon, May 11
Multiple Airlines Logo
9:18 am - 8:30 am
ORD
-
AEP
20h 12m
2 stops
Multiple Airlines Logo
5:00 pm - 2:16 pm
AEP
-
ORD
23h 16m
3 stops
$932Multiple Airlines
Fri, Mar 6 - Thu, Mar 19
LATAM Airlines Logo
10:45 am - 7:40 am
MDW
-
AEP
18h 55m
2 stops
LATAM Airlines Logo
8:05 pm - 12:07 pm
AEP
-
MDW
18h 02m
2 stops
$947LATAM Airlines
Wed, Apr 8 - Wed, Apr 15
LATAM Airlines Logo
5:21 pm - 4:00 pm
MDW
-
AEP
20h 39m
2 stops
LATAM Airlines Logo
5:05 pm - 12:07 pm
AEP
-
MDW
21h 02m
2 stops
$952LATAM Airlines
Mon, Apr 13 - Mon, Apr 20
LATAM Airlines Logo
12:52 pm - 10:30 am
MDW
-
AEP
19h 38m
2 stops
LATAM Airlines Logo
5:05 pm - 12:07 pm
AEP
-
MDW
21h 02m
2 stops
$953LATAM Airlines
Mon, Apr 13 - Mon, Apr 20

LATAM Airlines flights from Illinois to Buenos Aires Jorge Newbery Airport

Our best LATAM Airlines deals on Illinois to Buenos Aires Jorge Newbery Airport flight tickets
LATAM Airlines
Mar 16
ORD1:37 pmChicago O'Hare Intl
18h 53m
2 stops
AEP10:30 amBuenos Aires Jorge Newbery
Mar 26
AEP3:40 pmBuenos Aires Jorge Newbery
20h 20m
2 stops
ORD10:00 amChicago O'Hare Intl
$937
LATAM Airlines
Apr 8
MDW10:45 amChicago Midway
18h 55m
2 stops
AEP7:40 amBuenos Aires Jorge Newbery
Apr 15
AEP8:05 pmBuenos Aires Jorge Newbery
18h 02m
2 stops
MDW12:07 pmChicago Midway
$947
LATAM Airlines
Apr 13
MDW5:21 pmChicago Midway
20h 39m
2 stops
AEP4:00 pmBuenos Aires Jorge Newbery
Apr 20
AEP5:05 pmBuenos Aires Jorge Newbery
21h 02m
2 stops
MDW12:07 pmChicago Midway
$952

Avianca flights from Illinois to Buenos Aires Jorge Newbery Airport

Our best Avianca deals on Illinois to Buenos Aires Jorge Newbery Airport flight tickets
Avianca
May 17
ORD11:20 pmChicago O'Hare Intl
28h 20m
1 stop
AEP5:40 amBuenos Aires Jorge Newbery
May 27
AEP7:00 amBuenos Aires Jorge Newbery
16h 20m
1 stop
ORD9:20 pmChicago O'Hare Intl
$915
Avianca
Apr 19
ORD11:20 pmChicago O'Hare Intl
28h 20m
1 stop
AEP5:40 amBuenos Aires Jorge Newbery
Apr 27
AEP7:00 amBuenos Aires Jorge Newbery
16h 20m
1 stop
ORD9:20 pmChicago O'Hare Intl
$917
Avianca
May 6
ORD11:20 pmChicago O'Hare Intl
28h 20m
1 stop
AEP5:40 amBuenos Aires Jorge Newbery
May 11
AEP7:00 amBuenos Aires Jorge Newbery
16h 20m
1 stop
ORD9:20 pmChicago O'Hare Intl
$920

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Buenos Aires Jorge Newbery Airport 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 March 2, 2026.
Use the filters below to find and compare flights from Illinois to Buenos Aires Jorge Newbery Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Mon 3/30

11:20 pm-9:20 pm

2 stops20h 00m

Buenos Aires Jorge Newbery

Mon 4/6

11:55 am-9:20 pm

2 stops35h 25m

$906

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Mon 5/11

11:20 pm-9:20 pm

2 stops20h 00m

Buenos Aires Jorge Newbery

Sun 5/17

2:45 pm-9:20 pm

2 stops32h 35m

$908

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Sun 5/17

11:20 pm-5:40 am

1 stop28h 20m

Buenos Aires Jorge Newbery

Wed 5/27

7:00 am-9:20 pm

1 stop16h 20m

$915

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Sun 4/19

11:20 pm-5:40 am

1 stop28h 20m

Buenos Aires Jorge Newbery

Mon 4/27

7:00 am-9:20 pm

1 stop16h 20m

$917

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Fri 4/3

10:55 am-8:40 pm

3 stops31h 45m

Buenos Aires Jorge Newbery

Sat 4/11

4:30 pm-9:20 pm

2 stops30h 50m

$918

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Wed 5/6

11:20 pm-5:40 am

1 stop28h 20m

Buenos Aires Jorge Newbery

Mon 5/11

7:00 am-9:20 pm

1 stop16h 20m

$920

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Fri 3/6

9:18 am-8:30 am

2 stops20h 12m

Buenos Aires Jorge Newbery

Thu 3/19

5:00 pm-2:16 pm

3 stops23h 16m

$932

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Wed 4/8

10:45 am-7:40 am

2 stops18h 55m

Buenos Aires Jorge Newbery

Wed 4/15

8:05 pm-12:07 pm

2 stops18h 02m

$947

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Mon 4/13

5:21 pm-4:00 pm

2 stops20h 39m

Buenos Aires Jorge Newbery

Mon 4/20

5:05 pm-12:07 pm

2 stops21h 02m

$952

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Mon 4/13

12:52 pm-10:30 am

2 stops19h 38m

Buenos Aires Jorge Newbery

Mon 4/20

5:05 pm-12:07 pm

2 stops21h 02m

$953

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Illinois to Buenos Aires Jorge Newbery Airport

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

Can stopping save me money on Illinois to Buenos Aires Jorge Newbery Airport flights?

You could potentially save up to 40% on your flight if you consider stops on a Illinois to Buenos Aires Jorge Newbery Airport flight.

Cheap Illinois to Buenos Aires Jorge Newbery Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Buenos Aires Jorge Newbery Airport

Fastest flight time

16h 54m

Direct flights

None
The fastest flight from Illinois to Buenos Aires Jorge Newbery Airport takes 16h 54m
There are no direct flights from Illinois to Buenos Aires Jorge Newbery Airport. There are no popular flight routes from Illinois to Buenos Aires Jorge Newbery Airport.
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  • When did momondo last update prices for flights from Illinois to Buenos Aires Jorge Newbery Airport?

    Prices for flights from Illinois to Buenos Aires Jorge Newbery Airport refresh daily.

  • How old do you have to be to fly from Illinois to Buenos Aires Jorge Newbery Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Buenos Aires Jorge Newbery Airport.

  • What documentation or ID do you need to fly to Buenos Aires Jorge Newbery Airport?

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

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Buenos Aires for you.

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

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

How can momondo help me find flights from Illinois to Buenos Aires?

Once you have performed a search for Illinois to Buenos Aires flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Buenos Aires from Illinois are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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