Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Chicago to Buenos Aires from $372

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 3/26. 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
6:57 pm - 7:30 am
ORD
-
AEP
33h 33m2 stops
Multiple Airlines Logo
5:10 pm - 11:22 am
AEP
-
ORD
21h 12m2 stops
$809Multiple Airlines
Sat, Jan 24 - Fri, Feb 6
Multiple Airlines Logo
6:34 pm - 7:30 am
ORD
-
AEP
34h 56m2 stops
Multiple Airlines Logo
5:10 pm - 7:48 pm
AEP
-
ORD
28h 38m2 stops
$811Multiple Airlines
Thu, Apr 23 - Tue, Apr 28
Multiple Airlines Logo
6:57 pm - 7:30 am
ORD
-
AEP
33h 33m2 stops
Multiple Airlines Logo
5:10 pm - 11:47 am
AEP
-
ORD
21h 37m3 stops
$830Multiple Airlines
Sat, Jan 24 - Fri, Feb 6
Multiple Airlines Logo
9:04 am - 7:30 am
ORD
-
AEP
44h 26m3 stops
Multiple Airlines Logo
5:10 pm - 7:48 pm
AEP
-
ORD
28h 38m2 stops
$836Multiple Airlines
Thu, Apr 23 - Tue, Apr 28
Multiple Airlines Logo
6:57 pm - 7:30 am
ORD
-
AEP
33h 33m2 stops
Multiple Airlines Logo
5:15 pm - 11:22 am
AEP
-
ORD
21h 07m2 stops
$845Multiple Airlines
Sat, Jan 24 - Fri, Feb 6
Multiple Airlines Logo
6:57 pm - 7:30 am
ORD
-
AEP
33h 33m2 stops
Multiple Airlines Logo
11:30 am - 11:22 am
AEP
-
ORD
26h 52m3 stops
$857Multiple Airlines
Sat, Jan 24 - Fri, Feb 6
Multiple Airlines Logo
6:57 pm - 7:30 am
ORD
-
AEP
33h 33m2 stops
Multiple Airlines Logo
1:50 pm - 10:06 pm
AEP
-
ORD
35h 16m3 stops
$861Multiple Airlines
Sat, Jan 17 - Sun, Jan 25
Multiple Airlines Logo
7:20 am - 7:30 am
ORD
-
AEP
21h 10m2 stops
Multiple Airlines Logo
5:10 pm - 11:22 am
AEP
-
ORD
21h 12m2 stops
$862Multiple Airlines
Wed, Feb 4 - Wed, Feb 11
LATAM Airlines Logo
10:49 am - 7:55 am
MDW
-
AEP
19h 06m2 stops
LATAM Airlines Logo
3:40 pm - 9:55 am
AEP
-
MDW
20h 15m2 stops
$936LATAM Airlines
Mon, Mar 16 - Tue, Mar 31
LATAM Airlines Logo
4:30 pm - 2:00 pm
MDW
-
AEP
19h 30m2 stops
LATAM Airlines Logo
5:05 pm - 12:02 pm
AEP
-
MDW
20h 57m2 stops
$1,040LATAM Airlines
Sat, Mar 21 - Tue, Mar 31

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
Mar 16
MDW10:49 amChicago Midway
19h 06m
2 stops
AEP7:55 amBuenos Aires Jorge Newbery
Mar 31
AEP3:40 pmBuenos Aires Jorge Newbery
20h 15m
2 stops
MDW9:55 amChicago Midway
$936
Find similar
LATAM Airlines
May 12
ORD9:30 amChicago O'Hare Intl
20h 10m
2 stops
AEP7:40 amBuenos Aires Jorge Newbery
May 20
AEP5:05 pmBuenos Aires Jorge Newbery
21h 04m
2 stops
ORD12:09 pmChicago O'Hare Intl
$984
Find similar
LATAM Airlines
Feb 9
ORD5:59 pmChicago O'Hare Intl
19h 01m
2 stops
AEP4:00 pmBuenos Aires Jorge Newbery
Mar 17
AEP8:25 pmBuenos Aires Jorge Newbery
18h 32m
2 stops
ORD12:57 pmChicago O'Hare Intl
$1,000
Find similar

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
Jan 2
ORD10:20 pmChicago O'Hare Intl
28h 20m
1 stop
AEP5:40 amBuenos Aires Jorge Newbery
Jan 18
AEP7:00 amBuenos Aires Jorge Newbery
16h 20m
1 stop
ORD8:20 pmChicago O'Hare Intl
$1,497
Find similar
Avianca
Jan 2
ORD8:51 amChicago O'Hare Intl
17h 49m
2 stops
AEP5:40 amBuenos Aires Jorge Newbery
Jan 18
AEP7:00 amBuenos Aires Jorge Newbery
16h 20m
1 stop
ORD8:20 pmChicago O'Hare Intl
$1,712
Find similar
Avianca
Dec 30
ORD10:20 pmChicago O'Hare Intl
28h 20m
1 stop
AEP5:40 amBuenos Aires Jorge Newbery
Jan 9
AEP7:00 amBuenos Aires Jorge Newbery
16h 20m
1 stop
ORD8:20 pmChicago O'Hare Intl
$1,753
Find similar

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 December 22, 2025.
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

Sat 1/24

6:57 pm-7:30 am

2 stops33h 33m

Buenos Aires Jorge Newbery

Fri 2/6

5:10 pm-11:22 am

2 stops21h 12m

$809

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Thu 4/23

6:34 pm-7:30 am

2 stops34h 56m

Buenos Aires Jorge Newbery

Tue 4/28

5:10 pm-7:48 pm

2 stops28h 38m

$811

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Sat 1/24

6:57 pm-7:30 am

2 stops33h 33m

Buenos Aires Jorge Newbery

Fri 2/6

5:10 pm-11:47 am

3 stops21h 37m

$830

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Thu 4/23

9:04 am-7:30 am

3 stops44h 26m

Buenos Aires Jorge Newbery

Tue 4/28

5:10 pm-7:48 pm

2 stops28h 38m

$836

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Sat 1/24

6:57 pm-7:30 am

2 stops33h 33m

Buenos Aires Jorge Newbery

Fri 2/6

5:15 pm-11:22 am

2 stops21h 07m

$845

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Sat 1/24

6:57 pm-7:30 am

2 stops33h 33m

Buenos Aires Jorge Newbery

Fri 2/6

11:30 am-11:22 am

3 stops26h 52m

$857

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Sat 1/17

6:57 pm-7:30 am

2 stops33h 33m

Buenos Aires Jorge Newbery

Sun 1/25

1:50 pm-10:06 pm

3 stops35h 16m

$861

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Wed 2/4

7:20 am-7:30 am

2 stops21h 10m

Buenos Aires Jorge Newbery

Wed 2/11

5:10 pm-11:22 am

2 stops21h 12m

$862

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Mon 3/16

10:49 am-7:55 am

2 stops19h 06m

Buenos Aires Jorge Newbery

Tue 3/31

3:40 pm-9:55 am

2 stops20h 15m

$936

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Sat 3/21

4:30 pm-2:00 pm

2 stops19h 30m

Buenos Aires Jorge Newbery

Tue 3/31

5:05 pm-12:02 pm

2 stops20h 57m

$1,040

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

What is the cheapest time of day to depart on your flight to Buenos Aires Jorge Newbery Airport?

Flying to Buenos Aires Jorge Newbery Airport from Chicago at noon is the least expensive time of day to depart. momondo users have found prices as low as $1,202 when looking at flights departing at noon. In the afternoon is when there is more demand to fly to Buenos Aires Jorge Newbery Airport, so prices are often more expensive at around $1,263 per ticket.

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 48m

Direct flights

None
The fastest flight from Chicago to Buenos Aires Jorge Newbery Airport takes 17h 48m
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 48m.

  • 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
Wed 1/21
Wed 1/28
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 $569