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Cheap flights from Chicago to Buenos Aires from $389

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 5/13. 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 Chicago to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:20 am - 8:30 am
ORD
-
AEP
21h 10m
2 stops
Multiple Airlines Logo
6:00 pm - 11:56 pm
AEP
-
ORD
31h 56m
3 stops
$893Multiple Airlines
Mon, May 11 - Thu, May 14
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
$895Multiple Airlines
Sun, May 24 - Fri, May 29
LATAM Airlines Logo
5:10 pm - 2:50 pm
MDW
-
AEP
19h 40m
2 stops
LATAM Airlines Logo
8:05 pm - 11:56 am
AEP
-
MDW
17h 51m
2 stops
$906LATAM Airlines
Mon, May 11 - Tue, May 19
LATAM Airlines Logo
11:26 am - 8:30 am
ORD
-
AEP
19h 04m
2 stops
LATAM Airlines Logo
8:05 pm - 1:47 pm
AEP
-
ORD
19h 42m
2 stops
$906LATAM Airlines
Mon, May 11 - Mon, May 18
Delta Logo
10:59 am - 7:40 am
MDW
-
AEP
18h 41m
2 stops
Delta Logo
3:45 pm - 10:00 am
AEP
-
MDW
20h 15m
2 stops
$907Delta
Tue, May 12 - Tue, May 19
LATAM Airlines Logo
6:06 pm - 9:30 pm
ORD
-
AEP
25h 24m
2 stops
LATAM Airlines Logo
5:35 pm - 1:01 pm
AEP
-
ORD
21h 26m
2 stops
$907LATAM Airlines
Fri, May 22 - Fri, May 29
LATAM Airlines Logo
5:55 pm - 2:50 pm
ORD
-
AEP
18h 55m
2 stops
LATAM Airlines Logo
2:55 pm - 12:08 pm
AEP
-
ORD
23h 13m
2 stops
$908LATAM Airlines
Tue, Sep 8 - Tue, Sep 15
Delta Logo
10:35 am - 7:40 am
MDW
-
AEP
43h 05m
2 stops
Delta Logo
8:40 am - 11:56 am
AEP
-
MDW
29h 16m
2 stops
$909Delta
Mon, Sep 28 - Tue, Oct 13
Delta Logo
3:35 pm - 7:40 am
ORD
-
AEP
38h 05m
2 stops
Delta Logo
3:45 pm - 9:33 pm
AEP
-
ORD
31h 48m
2 stops
$909Delta
Mon, Sep 28 - Wed, Oct 14
Multiple Airlines Logo
7:10 am - 8:30 am
ORD
-
AEP
23h 20m
2 stops
Multiple Airlines Logo
10:10 pm - 4:00 am
AEP
-
ORD
31h 50m
2 stops
$910Multiple Airlines
Mon, Jun 22 - Sun, Jul 5

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
May 11
MDW5:10 pmChicago Midway
19h 40m
2 stops
AEP2:50 pmBuenos Aires Jorge Newbery
May 19
AEP8:05 pmBuenos Aires Jorge Newbery
17h 51m
2 stops
MDW11:56 amChicago Midway
$906
LATAM Airlines
May 22
ORD6:06 pmChicago O'Hare Intl
25h 24m
2 stops
AEP9:30 pmBuenos Aires Jorge Newbery
May 29
AEP5:35 pmBuenos Aires Jorge Newbery
21h 26m
2 stops
ORD1:01 pmChicago O'Hare Intl
$907
LATAM Airlines
Sep 8
ORD5:55 pmChicago O'Hare Intl
18h 55m
2 stops
AEP2:50 pmBuenos Aires Jorge Newbery
Sep 15
AEP2:55 pmBuenos Aires Jorge Newbery
23h 13m
2 stops
ORD12:08 pmChicago O'Hare Intl
$908

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
May 12
MDW10:59 amChicago Midway
18h 41m
2 stops
AEP7:40 amBuenos Aires Jorge Newbery
May 19
AEP3:45 pmBuenos Aires Jorge Newbery
20h 15m
2 stops
MDW10:00 amChicago Midway
$907
Delta
Sep 28
MDW10:35 amChicago Midway
43h 05m
2 stops
AEP7:40 amBuenos Aires Jorge Newbery
Oct 13
AEP8:40 amBuenos Aires Jorge Newbery
29h 16m
2 stops
MDW11:56 amChicago Midway
$909
Delta
Sep 28
MDW5:25 pmChicago Midway
36h 15m
2 stops
AEP7:40 amBuenos Aires Jorge Newbery
Oct 12
AEP8:05 pmBuenos Aires Jorge Newbery
27h 40m
2 stops
MDW9:45 pmChicago Midway
$917

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 April 29, 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

Cheapest round-trip

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Mon 5/11

9:20 am-8:30 am

2 stops21h 10m

Buenos Aires Jorge Newbery

Thu 5/14

6:00 pm-11:56 pm

3 stops31h 56m

$893

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Sun 5/24

9:20 am-8:30 am

2 stops21h 10m

Buenos Aires Jorge Newbery

Fri 5/29

4:40 am-11:56 pm

2 stops21h 16m

$895
Quickest round-trip

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Mon 5/11

5:10 pm-2:50 pm

2 stops19h 40m

Buenos Aires Jorge Newbery

Tue 5/19

8:05 pm-11:56 am

2 stops17h 51m

$906

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Mon 5/11

11:26 am-8:30 am

2 stops19h 04m

Buenos Aires Jorge Newbery

Mon 5/18

8:05 pm-1:47 pm

2 stops19h 42m

$906

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Tue 5/12

10:59 am-7:40 am

2 stops18h 41m

Buenos Aires Jorge Newbery

Tue 5/19

3:45 pm-10:00 am

2 stops20h 15m

$907

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Fri 5/22

6:06 pm-9:30 pm

2 stops25h 24m

Buenos Aires Jorge Newbery

Fri 5/29

5:35 pm-1:01 pm

2 stops21h 26m

$907

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Tue 9/8

5:55 pm-2:50 pm

2 stops18h 55m

Buenos Aires Jorge Newbery

Tue 9/15

2:55 pm-12:08 pm

2 stops23h 13m

$908

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Mon 9/28

10:35 am-7:40 am

2 stops43h 05m

Buenos Aires Jorge Newbery

Tue 10/13

8:40 am-11:56 am

2 stops29h 16m

$909

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Mon 9/28

3:35 pm-7:40 am

2 stops38h 05m

Buenos Aires Jorge Newbery

Wed 10/14

3:45 pm-9:33 pm

2 stops31h 48m

$909

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Mon 6/22

7:10 am-8:30 am

2 stops23h 20m

Buenos Aires Jorge Newbery

Sun 7/5

10:10 pm-4:00 am

2 stops31h 50m

$910

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

16h 54m

Direct flights

None
The fastest flight from Chicago to Buenos Aires Jorge Newbery Airport takes 16h 54m
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.
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Frequently asked questions about flying from Chicago to Buenos Aires Jorge Newbery Airport

  • 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 16h 54m.

  • 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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