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Cheap flights from Illinois to Buenos Aires from $353

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 5/12. 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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0 bags

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
10:00 am - 6:30 pm
ORD
-
AEP
30h 30m
3 stops
Multiple Airlines Logo
11:55 am - 9:20 pm
AEP
-
ORD
35h 25m
2 stops
$850Multiple Airlines
Sun, May 3 - Mon, May 11
Multiple Airlines Logo
9:20 am - 8:30 am
ORD
-
AEP
21h 10m
2 stops
Multiple Airlines Logo
4:40 am - 11:56 pm
AEP
-
ORD
21h 16m
2 stops
$854Multiple Airlines
Fri, May 29 - Fri, Jun 5
Multiple Airlines Logo
9:20 am - 8:30 am
ORD
-
AEP
21h 10m
2 stops
Multiple Airlines Logo
7:00 am - 11:56 pm
AEP
-
ORD
18h 56m
2 stops
$861Multiple Airlines
Thu, May 28 - Thu, Jun 4
Multiple Airlines Logo
9:20 am - 8:30 am
ORD
-
AEP
21h 10m
2 stops
Multiple Airlines Logo
9:35 am - 11:56 pm
AEP
-
ORD
40h 21m
3 stops
$863Multiple Airlines
Thu, May 14 - Wed, May 27
Delta Logo
6:23 am - 7:40 am
MDW
-
AEP
23h 17m
2 stops
Delta Logo
8:05 pm - 4:12 pm
AEP
-
MDW
22h 07m
2 stops
$907Delta
Tue, May 12 - Tue, May 19
LATAM Airlines Logo
9:22 am - 7:40 am
MDW
-
AEP
20h 18m
3 stops
LATAM Airlines Logo
8:05 pm - 4:12 pm
AEP
-
MDW
22h 07m
2 stops
$913LATAM Airlines
Tue, May 12 - Tue, May 19
LATAM Airlines Logo
12:52 pm - 4:00 pm
MDW
-
AEP
25h 08m
2 stops
LATAM Airlines Logo
8:40 am - 9:26 pm
AEP
-
MDW
38h 46m
2 stops
$915LATAM Airlines
Mon, May 4 - Thu, May 7
Delta Logo
10:59 am - 7:40 am
MDW
-
AEP
18h 41m
2 stops
Delta Logo
8:05 pm - 11:56 am
AEP
-
MDW
17h 51m
2 stops
$975Delta
Thu, May 7 - Mon, May 11
LATAM Airlines Logo
10:41 am - 7:40 am
MDW
-
AEP
18h 59m
2 stops
LATAM Airlines Logo
6:20 pm - 10:14 am
AEP
-
MDW
17h 54m
2 stops
$977LATAM Airlines
Tue, Apr 28 - Fri, May 1
Delta Logo
10:41 am - 7:40 am
MDW
-
AEP
18h 59m
2 stops
Delta Logo
8:05 pm - 4:12 pm
AEP
-
MDW
22h 07m
2 stops
$1,005Delta
Tue, May 5 - Tue, Jun 2

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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
May 12
MDW6:23 amChicago Midway
23h 17m
2 stops
AEP7:40 amBuenos Aires Jorge Newbery
May 19
AEP8:05 pmBuenos Aires Jorge Newbery
22h 07m
2 stops
MDW4:12 pmChicago Midway
$907
Delta
May 7
MDW10:59 amChicago Midway
18h 41m
2 stops
AEP7:40 amBuenos Aires Jorge Newbery
May 11
AEP8:05 pmBuenos Aires Jorge Newbery
17h 51m
2 stops
MDW11:56 amChicago Midway
$975
Delta
May 5
MDW10:41 amChicago Midway
18h 59m
2 stops
AEP7:40 amBuenos Aires Jorge Newbery
Jun 2
AEP8:05 pmBuenos Aires Jorge Newbery
22h 07m
2 stops
MDW4:12 pmChicago Midway
$1,005

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
May 12
MDW9:22 amChicago Midway
20h 18m
3 stops
AEP7:40 amBuenos Aires Jorge Newbery
May 19
AEP8:05 pmBuenos Aires Jorge Newbery
22h 07m
2 stops
MDW4:12 pmChicago Midway
$913
LATAM Airlines
May 4
MDW12:52 pmChicago Midway
25h 08m
2 stops
AEP4:00 pmBuenos Aires Jorge Newbery
May 7
AEP8:40 amBuenos Aires Jorge Newbery
38h 46m
2 stops
MDW9:26 pmChicago Midway
$915
LATAM Airlines
May 7
ORD12:59 pmChicago O'Hare Intl
23h 51m
2 stops
AEP2:50 pmBuenos Aires Jorge Newbery
May 14
AEP8:40 amBuenos Aires Jorge Newbery
34h 16m
2 stops
ORD4:56 pmChicago O'Hare Intl
$943

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 April 16, 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

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Sun 5/3

10:00 am-6:30 pm

3 stops30h 30m

Buenos Aires Jorge Newbery

Mon 5/11

11:55 am-9:20 pm

2 stops35h 25m

$850

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Fri 5/29

9:20 am-8:30 am

2 stops21h 10m

Buenos Aires Jorge Newbery

Fri 6/5

4:40 am-11:56 pm

2 stops21h 16m

$854

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Thu 5/28

9:20 am-8:30 am

2 stops21h 10m

Buenos Aires Jorge Newbery

Thu 6/4

7:00 am-11:56 pm

2 stops18h 56m

$861

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Thu 5/14

9:20 am-8:30 am

2 stops21h 10m

Buenos Aires Jorge Newbery

Wed 5/27

9:35 am-11:56 pm

3 stops40h 21m

$863

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Tue 5/12

6:23 am-7:40 am

2 stops23h 17m

Buenos Aires Jorge Newbery

Tue 5/19

8:05 pm-4:12 pm

2 stops22h 07m

$907

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Tue 5/12

9:22 am-7:40 am

3 stops20h 18m

Buenos Aires Jorge Newbery

Tue 5/19

8:05 pm-4:12 pm

2 stops22h 07m

$913

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Mon 5/4

12:52 pm-4:00 pm

2 stops25h 08m

Buenos Aires Jorge Newbery

Thu 5/7

8:40 am-9:26 pm

2 stops38h 46m

$915
Quickest round-trip

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Thu 5/7

10:59 am-7:40 am

2 stops18h 41m

Buenos Aires Jorge Newbery

Mon 5/11

8:05 pm-11:56 am

2 stops17h 51m

$975

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Tue 4/28

10:41 am-7:40 am

2 stops18h 59m

Buenos Aires Jorge Newbery

Fri 5/1

6:20 pm-10:14 am

2 stops17h 54m

$977

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Tue 5/5

10:41 am-7:40 am

2 stops18h 59m

Buenos Aires Jorge Newbery

Tue 6/2

8:05 pm-4:12 pm

2 stops22h 07m

$1,005

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 40m

Direct flights

None
The fastest flight from Illinois to Buenos Aires Jorge Newbery Airport takes 17h 40m
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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