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Cheap flights from Chicago to Buenos Aires from $283

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago 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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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
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
$909Multiple Airlines
Mon, Mar 30 - Mon, Apr 6
Multiple Airlines Logo
10:55 am - 8:30 am
ORD
-
AEP
19h 35m
2 stops
Multiple Airlines Logo
10:10 pm - 9:20 pm
AEP
-
ORD
25h 10m
2 stops
$912Multiple Airlines
Mon, Mar 23 - Mon, Apr 20
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
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
Sun, Apr 12 - Sat, Apr 25
LATAM Airlines Logo
5:21 pm - 4:00 pm
MDW
-
AEP
20h 39m
2 stops
LATAM Airlines Logo
3:45 pm - 9:56 am
AEP
-
MDW
20h 11m
2 stops
$947LATAM Airlines
Tue, Apr 14 - Tue, Apr 28
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 Chicago to Buenos Aires Jorge Newbery Airport

Our best LATAM Airlines deals on Chicago to Buenos Aires Jorge Newbery Airport flight tickets
LATAM Airlines
Apr 14
MDW5:21 pmChicago Midway
20h 39m
2 stops
AEP4:00 pmBuenos Aires Jorge Newbery
Apr 28
AEP3:45 pmBuenos Aires Jorge Newbery
20h 11m
2 stops
MDW9:56 amChicago 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
LATAM Airlines
Apr 13
MDW12:52 pmChicago Midway
19h 38m
2 stops
AEP10:30 amBuenos Aires Jorge Newbery
Apr 20
AEP5:05 pmBuenos Aires Jorge Newbery
21h 02m
2 stops
MDW12:07 pmChicago Midway
$953

Delta flights from Chicago to Buenos Aires Jorge Newbery Airport

Our best Delta deals on Chicago to Buenos Aires Jorge Newbery Airport flight tickets
Delta
Aug 16
MDW10:35 amChicago Midway
21h 05m
2 stops
AEP9:40 amBuenos Aires Jorge Newbery
Aug 22
AEP3:45 pmBuenos Aires Jorge Newbery
20h 05m
2 stops
MDW9:50 amChicago Midway
$1,367
Delta
Mar 30
MDW12:47 pmChicago Midway
18h 53m
2 stops
AEP9:40 amBuenos Aires Jorge Newbery
Apr 16
AEP3:45 pmBuenos Aires Jorge Newbery
22h 22m
2 stops
MDW12:07 pmChicago Midway
$1,417
Delta
Apr 3
MDW12:47 pmChicago Midway
18h 53m
2 stops
AEP9:40 amBuenos Aires Jorge Newbery
Apr 9
AEP3:45 pmBuenos Aires Jorge Newbery
22h 17m
2 stops
MDW12:02 pmChicago Midway
$2,070

momondo Fare Finder

 
Customize your flight search to find flights from Chicago 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 4, 2026.
Use the filters below to find and compare flights from Chicago 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

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

$909

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Mon 3/23

10:55 am-8:30 am

2 stops19h 35m

Buenos Aires Jorge Newbery

Mon 4/20

10:10 pm-9:20 pm

2 stops25h 10m

$912

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

Sun 4/12

11:20 pm-5:40 am

1 stop28h 20m

Buenos Aires Jorge Newbery

Sat 4/25

7:00 am-9:20 pm

1 stop16h 20m

$920

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Tue 4/14

5:21 pm-4:00 pm

2 stops20h 39m

Buenos Aires Jorge Newbery

Tue 4/28

3:45 pm-9:56 am

2 stops20h 11m

$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 Chicago 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 Chicago to Buenos Aires Jorge Newbery Airport flights?

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

When to book flights from Chicago to Buenos Aires Jorge Newbery Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to Buenos Aires Jorge Newbery Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago to Buenos Aires Jorge Newbery Airport (CHI to AEP) flight deals and tips

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

Fastest flight time

17h 30m

Direct flights

None
The fastest flight from Chicago to Buenos Aires Jorge Newbery Airport takes 17h 30m
There are no direct flights from Chicago to Buenos Aires Jorge Newbery Airport. There are no popular flight routes from Chicago to Buenos Aires Jorge Newbery Airport.
Search flight deals

  • How far is Chicago to Buenos Aires Jorge Newbery by plane?

    The straight-line distance from Chicago to Buenos Aires Jorge Newbery is 5592.1 mi. By plane, this route typically takes 17h 30m.

  • When did momondo last update prices for flights from Chicago to Buenos Aires Jorge Newbery Airport?

    Prices for flights from Chicago to Buenos Aires Jorge Newbery Airport are updated daily.

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Buenos Aires Jorge Newbery Airport.

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

    The travel and health documents required for your trip to Buenos Aires Jorge Newbery Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Buenos Aires Jorge Newbery Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Chicago to Buenos Aires. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Buenos Aires from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Buenos Aires from Chicago.

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

Price alerts on flights to Buenos Aires from Chicago 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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