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Cheap flights from Illinois to Buenos Aires from $355

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 9/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Illinois to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
6:25 pm - 4:00 pm
ORD
-
AEP
19h 35m
2 stops
LATAM Airlines Logo
8:05 pm - 12:40 pm
AEP
-
ORD
18h 35m
2 stops
$918LATAM Airlines
Wed, Sep 2 - Wed, Sep 23
GOL Logo
10:05 am - 1:00 pm
ORD
-
AEP
24h 55m
2 stops
GOL Logo
3:40 am - 11:42 pm
AEP
-
ORD
22h 02m
2 stops
$943GOL
Sun, Sep 27 - Sun, Oct 4
Delta Logo
5:10 pm - 4:00 pm
MDW
-
AEP
20h 50m
2 stops
Delta Logo
8:05 pm - 3:44 pm
AEP
-
MDW
21h 39m
2 stops
$958Delta
Mon, Aug 17 - Mon, Aug 31
Delta Logo
10:33 am - 7:40 am
ORD
-
AEP
19h 07m
2 stops
Delta Logo
8:05 pm - 4:51 pm
AEP
-
ORD
22h 46m
2 stops
$958Delta
Tue, Aug 18 - Tue, Sep 1
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
$960Avianca
Sat, Aug 15 - Fri, Aug 28
Multiple Airlines Logo
5:30 am - 9:21 am
ORD
-
AEP
25h 51m
2 stops
Multiple Airlines Logo
12:50 pm - 9:20 pm
AEP
-
ORD
34h 30m
2 stops
$963Multiple Airlines
Mon, Aug 10 - Mon, Aug 17
Multiple Airlines Logo
12:12 pm - 9:55 am
ORD
-
AEP
19h 43m
2 stops
Multiple Airlines Logo
5:45 am - 1:02 am
AEP
-
ORD
21h 17m
2 stops
$967Multiple Airlines
Sat, Aug 15 - Fri, Aug 28
Multiple Airlines Logo
2:53 am - 5:40 am
ORD
-
AEP
24h 47m
3 stops
Multiple Airlines Logo
11:55 am - 9:20 pm
AEP
-
ORD
35h 25m
2 stops
$972Multiple Airlines
Sat, Aug 15 - Fri, Aug 21
Multiple Airlines Logo
1:40 am - 5:40 am
ORD
-
AEP
26h 00m
3 stops
Multiple Airlines Logo
12:50 pm - 9:20 pm
AEP
-
ORD
34h 30m
2 stops
$974Multiple Airlines
Sun, Aug 9 - Mon, Aug 17
Multiple Airlines Logo
1:40 am - 5:40 am
ORD
-
AEP
26h 00m
3 stops
Multiple Airlines Logo
11:55 am - 9:20 pm
AEP
-
ORD
35h 25m
2 stops
$984Multiple Airlines
Sun, Aug 9 - Thu, Aug 20

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GOL flights from Illinois to Buenos Aires Jorge Newbery Airport

Our best GOL deals on Illinois to Buenos Aires Jorge Newbery Airport flight tickets
GOL
Sep 27
ORD10:05 amChicago O'Hare Intl
24h 55m
2 stops
AEP1:00 pmBuenos Aires Jorge Newbery
Oct 4
AEP3:40 amBuenos Aires Jorge Newbery
22h 02m
2 stops
ORD11:42 pmChicago O'Hare Intl
$943
GOL
Sep 27
ORD10:05 amChicago O'Hare Intl
24h 55m
2 stops
AEP1:00 pmBuenos Aires Jorge Newbery
Oct 4
AEP3:40 amBuenos Aires Jorge Newbery
19h 42m
2 stops
ORD9:22 pmChicago O'Hare Intl
$1,054
GOL
Jun 30
ORD4:05 pmChicago O'Hare Intl
18h 55m
2 stops
AEP1:00 pmBuenos Aires Jorge Newbery
Jul 7
AEP3:40 amBuenos Aires Jorge Newbery
20h 21m
2 stops
ORD10:01 pmChicago O'Hare Intl
$1,442

Delta flights from Illinois to Buenos Aires Jorge Newbery Airport

Our best Delta deals on Illinois to Buenos Aires Jorge Newbery Airport flight tickets
Delta
Aug 17
MDW5:10 pmChicago Midway
20h 50m
2 stops
AEP4:00 pmBuenos Aires Jorge Newbery
Aug 31
AEP8:05 pmBuenos Aires Jorge Newbery
21h 39m
2 stops
MDW3:44 pmChicago Midway
$958
Delta
Nov 16
STL4:13 pmLambert-St Louis
20h 47m
2 stops
AEP4:00 pmBuenos Aires Jorge Newbery
Nov 23
AEP5:35 pmBuenos Aires Jorge Newbery
20h 13m
2 stops
STL10:48 amLambert-St Louis
$1,148
Delta
Jul 14
MDW11:05 amChicago Midway
18h 35m
2 stops
AEP7:40 amBuenos Aires Jorge Newbery
Jul 28
AEP3:45 pmBuenos Aires Jorge Newbery
22h 11m
2 stops
MDW11:56 amChicago Midway
$1,164

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 June 27, 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

Cheapest round-trip
Quickest round-trip

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Wed 9/2

6:25 pm-4:00 pm

2 stops19h 35m

Buenos Aires Jorge Newbery

Wed 9/23

8:05 pm-12:40 pm

2 stops18h 35m

$918

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Sun 9/27

10:05 am-1:00 pm

2 stops24h 55m

Buenos Aires Jorge Newbery

Sun 10/4

3:40 am-11:42 pm

2 stops22h 02m

$943

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Mon 8/17

5:10 pm-4:00 pm

2 stops20h 50m

Buenos Aires Jorge Newbery

Mon 8/31

8:05 pm-3:44 pm

2 stops21h 39m

$958

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Tue 8/18

10:33 am-7:40 am

2 stops19h 07m

Buenos Aires Jorge Newbery

Tue 9/1

8:05 pm-4:51 pm

2 stops22h 46m

$958

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Sat 8/15

11:20 pm-5:40 am

1 stop28h 20m

Buenos Aires Jorge Newbery

Fri 8/28

7:00 am-9:20 pm

1 stop16h 20m

$960

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Mon 8/10

5:30 am-9:21 am

2 stops25h 51m

Buenos Aires Jorge Newbery

Mon 8/17

12:50 pm-9:20 pm

2 stops34h 30m

$963

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Sat 8/15

12:12 pm-9:55 am

2 stops19h 43m

Buenos Aires Jorge Newbery

Fri 8/28

5:45 am-1:02 am

2 stops21h 17m

$967

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Sat 8/15

2:53 am-5:40 am

3 stops24h 47m

Buenos Aires Jorge Newbery

Fri 8/21

11:55 am-9:20 pm

2 stops35h 25m

$972

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Sun 8/9

1:40 am-5:40 am

3 stops26h 00m

Buenos Aires Jorge Newbery

Mon 8/17

12:50 pm-9:20 pm

2 stops34h 30m

$974

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Sun 8/9

1:40 am-5:40 am

3 stops26h 00m

Buenos Aires Jorge Newbery

Thu 8/20

11:55 am-9:20 pm

2 stops35h 25m

$984

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

17h 10m

Direct flights

None
The fastest flight from Illinois to Buenos Aires Jorge Newbery Airport takes 17h 10m
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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Frequently asked questions about flying from Illinois to Buenos Aires Jorge Newbery Airport

  • 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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