Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Chicago to Buenos Aires from $327

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 4/6. 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
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
5:05 am - 4:20 am
ORD
-
AEP
21h 15m
3 stops
Multiple Airlines Logo
12:10 am - 9:20 pm
AEP
-
ORD
23h 10m
2 stops
$912Multiple Airlines
Thu, Mar 12 - Wed, Mar 18
LATAM Airlines Logo
10:43 am - 4:00 pm
MDW
-
AEP
27h 17m
2 stops
LATAM Airlines Logo
8:40 am - 9:51 am
AEP
-
MDW
27h 11m
2 stops
$917LATAM Airlines
Thu, Apr 30 - Mon, May 11
LATAM Airlines Logo
1:06 pm - 6:40 pm
ORD
-
AEP
27h 34m
2 stops
LATAM Airlines Logo
8:05 pm - 11:55 pm
AEP
-
ORD
29h 50m
2 stops
$917LATAM Airlines
Thu, Apr 30 - Sun, May 10
Multiple Airlines Logo
10:55 am - 8:30 am
ORD
-
AEP
19h 35m
2 stops
Multiple Airlines Logo
12:10 am - 9:20 pm
AEP
-
ORD
23h 10m
2 stops
$922Multiple Airlines
Fri, Mar 13 - Thu, Mar 19
Multiple Airlines Logo
8:16 pm - 7:55 am
ORD
-
AEP
32h 39m
3 stops
Multiple Airlines Logo
2:30 pm - 9:20 pm
AEP
-
ORD
32h 50m
2 stops
$923Multiple Airlines
Sat, Mar 7 - Sun, Mar 15
LATAM Airlines Logo
10:43 am - 4:00 pm
MDW
-
AEP
27h 17m
2 stops
LATAM Airlines Logo
8:05 pm - 9:51 am
AEP
-
MDW
39h 46m
2 stops
$925LATAM Airlines
Thu, Apr 30 - Sun, May 10
Multiple Airlines Logo
7:23 pm - 5:40 am
ORD
-
AEP
31h 17m
2 stops
Multiple Airlines Logo
7:00 am - 9:39 am
AEP
-
ORD
29h 39m
2 stops
$926Multiple Airlines
Sun, Feb 22 - Mon, Mar 2
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
$937Avianca
Sun, May 3 - Sun, May 10
Avianca Logo
10:20 pm - 5:40 am
ORD
-
AEP
28h 20m
1 stop
Avianca Logo
7:00 am - 9:20 pm
AEP
-
ORD
16h 20m
1 stop
$938Avianca
Tue, Mar 3 - Tue, Mar 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
$939Avianca
Fri, Apr 10 - Sun, Apr 26

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 30
MDW10:43 amChicago Midway
27h 17m
2 stops
AEP4:00 pmBuenos Aires Jorge Newbery
May 11
AEP8:40 amBuenos Aires Jorge Newbery
27h 11m
2 stops
MDW9:51 amChicago Midway
$917
LATAM Airlines
Apr 30
MDW10:43 amChicago Midway
27h 17m
2 stops
AEP4:00 pmBuenos Aires Jorge Newbery
May 10
AEP8:05 pmBuenos Aires Jorge Newbery
39h 46m
2 stops
MDW9:51 amChicago Midway
$925
LATAM Airlines
Mar 9
ORD1:37 pmChicago O'Hare Intl
18h 53m
2 stops
AEP10:30 amBuenos Aires Jorge Newbery
Mar 16
AEP6:20 pmBuenos Aires Jorge Newbery
20h 37m
2 stops
ORD12:57 pmChicago O'Hare Intl
$947

Avianca flights from Chicago to Buenos Aires Jorge Newbery Airport

Our best Avianca deals on Chicago to Buenos Aires Jorge Newbery Airport flight tickets
Avianca
May 3
ORD11:20 pmChicago O'Hare Intl
28h 20m
1 stop
AEP5:40 amBuenos Aires Jorge Newbery
May 10
AEP7:00 amBuenos Aires Jorge Newbery
16h 20m
1 stop
ORD9:20 pmChicago O'Hare Intl
$937
Avianca
Mar 3
ORD10:20 pmChicago O'Hare Intl
28h 20m
1 stop
AEP5:40 amBuenos Aires Jorge Newbery
Mar 17
AEP7:00 amBuenos Aires Jorge Newbery
16h 20m
1 stop
ORD9:20 pmChicago O'Hare Intl
$938
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
$939

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 January 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

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Thu 3/12

5:05 am-4:20 am

3 stops21h 15m

Buenos Aires Jorge Newbery

Wed 3/18

12:10 am-9:20 pm

2 stops23h 10m

$912

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Thu 4/30

10:43 am-4:00 pm

2 stops27h 17m

Buenos Aires Jorge Newbery

Mon 5/11

8:40 am-9:51 am

2 stops27h 11m

$917

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Thu 4/30

1:06 pm-6:40 pm

2 stops27h 34m

Buenos Aires Jorge Newbery

Sun 5/10

8:05 pm-11:55 pm

2 stops29h 50m

$917

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Fri 3/13

10:55 am-8:30 am

2 stops19h 35m

Buenos Aires Jorge Newbery

Thu 3/19

12:10 am-9:20 pm

2 stops23h 10m

$922

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Sat 3/7

8:16 pm-7:55 am

3 stops32h 39m

Buenos Aires Jorge Newbery

Sun 3/15

2:30 pm-9:20 pm

2 stops32h 50m

$923

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Thu 4/30

10:43 am-4:00 pm

2 stops27h 17m

Buenos Aires Jorge Newbery

Sun 5/10

8:05 pm-9:51 am

2 stops39h 46m

$925

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Sun 2/22

7:23 pm-5:40 am

2 stops31h 17m

Buenos Aires Jorge Newbery

Mon 3/2

7:00 am-9:39 am

2 stops29h 39m

$926

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Sun 5/3

11:20 pm-5:40 am

1 stop28h 20m

Buenos Aires Jorge Newbery

Sun 5/10

7:00 am-9:20 pm

1 stop16h 20m

$937

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Tue 3/3

10:20 pm-5:40 am

1 stop28h 20m

Buenos Aires Jorge Newbery

Tue 3/17

7:00 am-9:20 pm

1 stop16h 20m

$938

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Fri 4/10

11:20 pm-5:40 am

1 stop28h 20m

Buenos Aires Jorge Newbery

Sun 4/26

7:00 am-9:20 pm

1 stop16h 20m

$939

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Buenos Aires from

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

18h 00m

Direct flights

None
The fastest flight from Chicago to Buenos Aires Jorge Newbery Airport takes 18h 00m
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 18h 00m.

  • 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.

An easier way to manage your Buenos Aires Jorge Newbery Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 2/28
Sat 3/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Buenos Aires

Popular cities in Argentina

Popular flights according to clicks in the last 7 days on momondo
Flights to Buenos Aires Ministro Pistarini Airportfrom $487