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Cheap flights from Chicago O'Hare Intl Airport to Buenos Aires from $288

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 O'Hare Intl Airport to Buenos Aires departing on 4/12. 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 O'Hare Intl Airport to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
8:56 pm - 8:30 am
ORD
-
AEP
33h 34m
3 stops
Multiple Airlines Logo
9:30 pm - 9:20 pm
AEP
-
ORD
25h 50m
2 stops
$859Multiple Airlines
seg, abr 13 - seg, abr 20
Multiple Airlines Logo
11:20 pm - 9:30 pm
ORD
-
AEP
20h 10m
2 stops
Multiple Airlines Logo
5:45 am - 11:15 pm
AEP
-
ORD
43h 30m
3 stops
$869Multiple Airlines
ter, mai 5 - qui, mai 14
Multiple Airlines Logo
11:20 pm - 9:20 pm
ORD
-
AEP
20h 00m
2 stops
Multiple Airlines Logo
11:20 pm - 9:20 pm
AEP
-
ORD
24h 00m
2 stops
$870Multiple Airlines
sex, abr 24 - sex, mai 1
Multiple Airlines Logo
5:05 am - 6:20 pm
ORD
-
AEP
35h 15m
3 stops
Multiple Airlines Logo
10:10 pm - 9:20 pm
AEP
-
ORD
25h 10m
2 stops
$879Multiple Airlines
dom, abr 12 - sáb, abr 18
Multiple Airlines Logo
10:55 am - 11:20 am
ORD
-
AEP
22h 25m
3 stops
Multiple Airlines Logo
10:30 pm - 9:20 pm
AEP
-
ORD
24h 50m
2 stops
$885Multiple Airlines
sex, abr 10 - qui, abr 23
Multiple Airlines Logo
7:50 am - 8:30 am
ORD
-
AEP
22h 40m
2 stops
Multiple Airlines Logo
4:40 am - 11:56 pm
AEP
-
ORD
21h 16m
2 stops
$886Multiple Airlines
seg, abr 27 - seg, mai 4
Multiple Airlines Logo
12:45 pm - 9:20 pm
ORD
-
AEP
30h 35m
3 stops
Multiple Airlines Logo
5:27 am - 1:05 pm
AEP
-
ORD
33h 38m
3 stops
$887Multiple Airlines
sáb, abr 11 - sáb, abr 25
Multiple Airlines Logo
11:20 pm - 4:20 am
ORD
-
AEP
27h 00m
3 stops
Multiple Airlines Logo
11:55 am - 11:15 pm
AEP
-
ORD
37h 20m
3 stops
$890Multiple Airlines
ter, mai 5 - qui, mai 14
Multiple Airlines Logo
11:20 pm - 10:40 pm
ORD
-
AEP
21h 20m
2 stops
Multiple Airlines Logo
8:05 pm - 11:47 pm
AEP
-
ORD
29h 42m
2 stops
$893Multiple Airlines
qui, abr 16 - ter, set 8
Multiple Airlines Logo
9:44 pm - 8:30 am
ORD
-
AEP
32h 46m
3 stops
Multiple Airlines Logo
8:05 pm - 11:47 pm
AEP
-
ORD
29h 42m
2 stops
$896Multiple Airlines
qui, abr 16 - ter, set 8

Avianca flights from Chicago O'Hare Intl Airport to Buenos Aires Jorge Newbery Airport

Our best Avianca deals on Chicago O'Hare Intl Airport to Buenos Aires Jorge Newbery Airport flight tickets
Avianca
Apr 20
ORD11:20 pmChicago O'Hare Intl
28h 20m
1 stop
AEP5:40 amBuenos Aires Jorge Newbery
Apr 23
AEP7:00 amBuenos Aires Jorge Newbery
16h 20m
1 stop
ORD9:20 pmChicago O'Hare Intl
$933
Avianca
Apr 19
ORD11:20 pmChicago O'Hare Intl
28h 20m
1 stop
AEP5:40 amBuenos Aires Jorge Newbery
Apr 25
AEP7:00 amBuenos Aires Jorge Newbery
16h 20m
1 stop
ORD9:20 pmChicago O'Hare Intl
$935
Avianca
Apr 12
ORD11:20 pmChicago O'Hare Intl
28h 20m
1 stop
AEP5:40 amBuenos Aires Jorge Newbery
Apr 20
AEP7:00 amBuenos Aires Jorge Newbery
16h 20m
1 stop
ORD9:20 pmChicago O'Hare Intl
$950

LATAM Airlines flights from Chicago O'Hare Intl Airport to Buenos Aires Jorge Newbery Airport

Our best LATAM Airlines deals on Chicago O'Hare Intl Airport to Buenos Aires Jorge Newbery Airport flight tickets
LATAM Airlines
Apr 8
ORD5:50 pmChicago O'Hare Intl
20h 10m
2 stops
AEP4:00 pmBuenos Aires Jorge Newbery
Jun 3
AEP8:05 pmBuenos Aires Jorge Newbery
23h 49m
2 stops
ORD5:54 pmChicago O'Hare Intl
$1,061
LATAM Airlines
Apr 13
ORD5:53 pmChicago O'Hare Intl
20h 07m
2 stops
AEP4:00 pmBuenos Aires Jorge Newbery
Apr 29
AEP5:05 pmBuenos Aires Jorge Newbery
22h 09m
2 stops
ORD1:14 pmChicago O'Hare Intl
$1,095
LATAM Airlines
Apr 11
ORD9:50 amChicago O'Hare Intl
19h 50m
2 stops
AEP7:40 amBuenos Aires Jorge Newbery
Apr 29
AEP5:05 pmBuenos Aires Jorge Newbery
22h 09m
2 stops
ORD1:14 pmChicago O'Hare Intl
$1,157

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport 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 março 30, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport 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

seg 4/13

8:56 pm-8:30 am

3 stops33h 34m

Buenos Aires Jorge Newbery

seg 4/20

9:30 pm-9:20 pm

2 stops25h 50m

$859

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

ter 5/5

11:20 pm-9:30 pm

2 stops20h 10m

Buenos Aires Jorge Newbery

qui 5/14

5:45 am-11:15 pm

3 stops43h 30m

$869

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

sex 4/24

11:20 pm-9:20 pm

2 stops20h 00m

Buenos Aires Jorge Newbery

sex 5/1

11:20 pm-9:20 pm

2 stops24h 00m

$870

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

dom 4/12

5:05 am-6:20 pm

3 stops35h 15m

Buenos Aires Jorge Newbery

sáb 4/18

10:10 pm-9:20 pm

2 stops25h 10m

$879

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

sex 4/10

10:55 am-11:20 am

3 stops22h 25m

Buenos Aires Jorge Newbery

qui 4/23

10:30 pm-9:20 pm

2 stops24h 50m

$885
Quickest round-trip

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

seg 4/27

7:50 am-8:30 am

2 stops22h 40m

Buenos Aires Jorge Newbery

seg 5/4

4:40 am-11:56 pm

2 stops21h 16m

$886

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

sáb 4/11

12:45 pm-9:20 pm

3 stops30h 35m

Buenos Aires Jorge Newbery

sáb 4/25

5:27 am-1:05 pm

3 stops33h 38m

$887

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

ter 5/5

11:20 pm-4:20 am

3 stops27h 00m

Buenos Aires Jorge Newbery

qui 5/14

11:55 am-11:15 pm

3 stops37h 20m

$890

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

qui 4/16

11:20 pm-10:40 pm

2 stops21h 20m

Buenos Aires Jorge Newbery

ter 9/8

8:05 pm-11:47 pm

2 stops29h 42m

$893

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

qui 4/16

9:44 pm-8:30 am

3 stops32h 46m

Buenos Aires Jorge Newbery

ter 9/8

8:05 pm-11:47 pm

2 stops29h 42m

$896

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 O'Hare Intl Airport 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 O'Hare Intl Airport to Buenos Aires Jorge Newbery Airport flights?

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

When to book flights from Chicago O'Hare Intl Airport to Buenos Aires Jorge Newbery Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport 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 O'Hare Intl Airport to Buenos Aires Jorge Newbery Airport (ORD to AEP) flight deals and tips

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

Fastest flight time

16h 54m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Buenos Aires Jorge Newbery Airport takes 16h 54m
There are no direct flights from Chicago O'Hare Intl Airport to Buenos Aires Jorge Newbery Airport. There are no popular flight routes from Chicago O'Hare Intl Airport to Buenos Aires Jorge Newbery Airport.
Search flight deals

  • How far is Chicago O'Hare Intl to Buenos Aires Jorge Newbery by plane?

    The distance between Chicago O'Hare Intl and Buenos Aires Jorge Newbery is about 5604.5 mi. Typically, this will take 16h 54m by plane in normal conditions.

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

    Prices for flights from Chicago O'Hare Intl Airport to Buenos Aires Jorge Newbery Airport were last updated today.

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago O'Hare Intl Airport 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 you'll need for your trip to Buenos Aires Jorge Newbery Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Buenos Aires Jorge Newbery Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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?

momondo helps you find the best flight between Chicago and Buenos Aires by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Chicago to Buenos Aires flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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