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Cheap flights from Chicago to Buenos Aires from $248

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 10/5. 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
1 adult, Economy, 0 bags

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
5:45 am - 11:20 am
ORD
-
AEP
26h 35m
2 stops
Multiple Airlines Logo
12:50 pm - 8:20 pm
AEP
-
ORD
34h 30m
2 stops
$847Multiple Airlines
Fri, Nov 6 - Wed, Nov 18
Multiple Airlines Logo
1:40 am - 5:40 am
ORD
-
AEP
26h 00m
3 stops
Multiple Airlines Logo
5:35 pm - 11:47 pm
AEP
-
ORD
32h 12m
2 stops
$860Multiple Airlines
Mon, Aug 31 - Thu, Oct 1
Multiple Airlines Logo
5:45 am - 11:20 am
ORD
-
AEP
26h 35m
2 stops
Multiple Airlines Logo
11:50 am - 8:20 pm
AEP
-
ORD
35h 30m
2 stops
$869Multiple Airlines
Fri, Nov 6 - Fri, Nov 13
Multiple Airlines Logo
12:12 pm - 12:40 pm
ORD
-
AEP
22h 28m
2 stops
Multiple Airlines Logo
10:10 pm - 1:02 am
AEP
-
ORD
28h 52m
2 stops
$874Multiple Airlines
Sat, Aug 22 - Sat, Aug 29
Multiple Airlines Logo
4:30 pm - 4:20 am
ORD
-
AEP
32h 50m
3 stops
Multiple Airlines Logo
11:50 am - 8:20 pm
AEP
-
ORD
35h 30m
2 stops
$875Multiple Airlines
Wed, Nov 18 - Wed, Nov 25
Multiple Airlines Logo
4:30 pm - 4:20 am
ORD
-
AEP
32h 50m
3 stops
Multiple Airlines Logo
8:05 pm - 10:06 pm
AEP
-
ORD
29h 01m
2 stops
$882Multiple Airlines
Wed, Nov 4 - Tue, Nov 10
LATAM Airlines Logo
10:54 am - 7:40 am
MDW
-
AEP
18h 46m
2 stops
LATAM Airlines Logo
2:55 pm - 9:59 am
AEP
-
MDW
21h 04m
2 stops
$933LATAM Airlines
Wed, Aug 12 - Mon, Aug 31
Delta Logo
1:00 pm - 4:00 pm
MDW
-
AEP
24h 00m
2 stops
Delta Logo
5:35 pm - 9:52 am
AEP
-
MDW
19h 17m
2 stops
$958Delta
Wed, Nov 4 - Wed, Nov 25
LATAM Airlines Logo
10:54 am - 7:40 am
MDW
-
AEP
18h 46m
2 stops
LATAM Airlines Logo
2:55 pm - 9:59 am
AEP
-
MDW
21h 04m
2 stops
$992LATAM Airlines
Sun, Aug 23 - Mon, Aug 31
LATAM Airlines Logo
12:46 pm - 4:10 pm
MDW
-
AEP
25h 24m
2 stops
LATAM Airlines Logo
3:45 pm - 9:59 am
AEP
-
MDW
20h 14m
2 stops
$1,011LATAM Airlines
Wed, Aug 26 - Wed, Sep 2

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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 12
ORD5:30 amChicago O'Hare Intl
24h 10m
2 stops
AEP7:40 amBuenos Aires Jorge Newbery
Aug 22
AEP8:05 pmBuenos Aires Jorge Newbery
26h 50m
2 stops
ORD8:55 pmChicago O'Hare Intl
$908
Delta
Aug 18
ORD10:33 amChicago O'Hare Intl
19h 07m
2 stops
AEP7:40 amBuenos Aires Jorge Newbery
Sep 1
AEP8:05 pmBuenos Aires Jorge Newbery
22h 46m
2 stops
ORD4:51 pmChicago O'Hare Intl
$933
Delta
Nov 4
MDW1:00 pmChicago Midway
24h 00m
2 stops
AEP4:00 pmBuenos Aires Jorge Newbery
Nov 25
AEP5:35 pmBuenos Aires Jorge Newbery
19h 17m
2 stops
MDW9:52 amChicago Midway
$958

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
Nov 4
ORD3:40 pmChicago O'Hare Intl
21h 20m
2 stops
AEP4:00 pmBuenos Aires Jorge Newbery
Nov 10
AEP9:00 pmBuenos Aires Jorge Newbery
23h 34m
2 stops
ORD5:34 pmChicago O'Hare Intl
$922
LATAM Airlines
Aug 12
MDW10:54 amChicago Midway
18h 46m
2 stops
AEP7:40 amBuenos Aires Jorge Newbery
Aug 31
AEP2:55 pmBuenos Aires Jorge Newbery
21h 04m
2 stops
MDW9:59 amChicago Midway
$933
LATAM Airlines
Aug 10
ORD6:25 pmChicago O'Hare Intl
20h 35m
2 stops
AEP5:00 pmBuenos Aires Jorge Newbery
Aug 20
AEP5:35 pmBuenos Aires Jorge Newbery
27h 14m
2 stops
ORD6:49 pmChicago O'Hare Intl
$958

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 July 12, 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

Fri 11/6

5:45 am-11:20 am

2 stops26h 35m

Buenos Aires Jorge Newbery

Wed 11/18

12:50 pm-8:20 pm

2 stops34h 30m

$847

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Mon 8/31

1:40 am-5:40 am

3 stops26h 00m

Buenos Aires Jorge Newbery

Thu 10/1

5:35 pm-11:47 pm

2 stops32h 12m

$860

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Fri 11/6

5:45 am-11:20 am

2 stops26h 35m

Buenos Aires Jorge Newbery

Fri 11/13

11:50 am-8:20 pm

2 stops35h 30m

$869

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Sat 8/22

12:12 pm-12:40 pm

2 stops22h 28m

Buenos Aires Jorge Newbery

Sat 8/29

10:10 pm-1:02 am

2 stops28h 52m

$874

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Wed 11/18

4:30 pm-4:20 am

3 stops32h 50m

Buenos Aires Jorge Newbery

Wed 11/25

11:50 am-8:20 pm

2 stops35h 30m

$875

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Wed 11/4

4:30 pm-4:20 am

3 stops32h 50m

Buenos Aires Jorge Newbery

Tue 11/10

8:05 pm-10:06 pm

2 stops29h 01m

$882
Quickest round-trip

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Wed 8/12

10:54 am-7:40 am

2 stops18h 46m

Buenos Aires Jorge Newbery

Mon 8/31

2:55 pm-9:59 am

2 stops21h 04m

$933

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Wed 11/4

1:00 pm-4:00 pm

2 stops24h 00m

Buenos Aires Jorge Newbery

Wed 11/25

5:35 pm-9:52 am

2 stops19h 17m

$958

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Sun 8/23

10:54 am-7:40 am

2 stops18h 46m

Buenos Aires Jorge Newbery

Mon 8/31

2:55 pm-9:59 am

2 stops21h 04m

$992

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Wed 8/26

12:46 pm-4:10 pm

2 stops25h 24m

Buenos Aires Jorge Newbery

Wed 9/2

3:45 pm-9:59 am

2 stops20h 14m

$1,011

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

17h 35m

Direct flights

None
The fastest flight from Chicago to Buenos Aires Jorge Newbery Airport takes 17h 35m
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

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 17h 35m.

  • 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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