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Cheap flights from Buenos Aires to Chicago from $439

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buenos Aires to Chicago departing on 8/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
GOL Logo
7:00 am - 9:20 pm
AEP
-
ORD
16h 20m
1 stop
GOL Logo
11:20 pm - 5:40 am
ORD
-
AEP
28h 20m
1 stop
$750GOL
Thu, Oct 22 - Wed, Oct 28
Arajet Logo
11:00 am - 11:40 pm
EZE
-
ORD
14h 40m
1 stop
Arajet Logo
12:12 pm - 4:10 am
ORD
-
EZE
13h 58m
1 stop
$753Arajet
Thu, Oct 1 - Sat, Oct 24
Arajet Logo
9:45 am - 11:40 pm
EZE
-
ORD
15h 55m
1 stop
Arajet Logo
5:30 am - 12:05 am
ORD
-
EZE
16h 35m
1 stop
$754Arajet
Thu, Sep 3 - Mon, Sep 14
Arajet Logo
8:40 am - 10:10 pm
EZE
-
ORD
15h 30m
1 stop
Arajet Logo
5:30 am - 12:05 am
ORD
-
EZE
16h 35m
1 stop
$773Arajet
Sun, Oct 4 - Mon, Oct 19
Arajet Logo
8:40 am - 10:10 pm
EZE
-
ORD
15h 30m
1 stop
Arajet Logo
5:30 am - 12:05 am
ORD
-
EZE
16h 35m
1 stop
$788Arajet
Sun, Aug 30 - Mon, Sep 14
Arajet Logo
11:00 am - 10:40 pm
EZE
-
ORD
14h 40m
1 stop
Arajet Logo
5:45 am - 9:16 am
ORD
-
EZE
24h 31m
1 stop
$798Arajet
Thu, Nov 12 - Fri, Dec 4
Arajet Logo
11:00 am - 11:40 pm
EZE
-
ORD
14h 40m
1 stop
Arajet Logo
6:45 am - 7:40 pm
ORD
-
EZE
34h 55m
1 stop
$813Arajet
Thu, Oct 1 - Fri, Oct 23
Multiple Airlines Logo
5:30 pm - 1:02 am
EZE
-
ORD
33h 32m
2 stops
Multiple Airlines Logo
5:30 am - 12:05 am
ORD
-
EZE
16h 35m
1 stop
$830Multiple Airlines
Tue, Sep 15 - Mon, Sep 28
Multiple Airlines Logo
7:00 am - 9:20 pm
AEP
-
ORD
16h 20m
1 stop
Multiple Airlines Logo
10:50 am - 5:40 am
ORD
-
AEP
16h 50m
2 stops
$883Multiple Airlines
Mon, Aug 24 - Thu, Aug 27
Avianca Logo
7:00 am - 7:25 am
AEP
-
ORD
50h 25m
2 stops
Avianca Logo
11:20 pm - 5:40 am
ORD
-
AEP
28h 20m
1 stop
$973Avianca
Fri, Sep 25 - Wed, Sep 30

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

Our best LATAM Airlines deals on Buenos Aires to Chicago O'Hare Intl Airport flight tickets
LATAM Airlines
Aug 31
AEP5:35 pmBuenos Aires Jorge Newbery
20h 41m
2 stops
ORD12:16 pmChicago O'Hare Intl
Sep 16
ORD8:05 amChicago O'Hare Intl
22h 25m
2 stops
AEP8:30 amBuenos Aires Jorge Newbery
$1,136
LATAM Airlines
Jul 5
AEP3:45 pmBuenos Aires Jorge Newbery
27h 26m
2 stops
ORD5:11 pmChicago O'Hare Intl
Jul 12
ORD8:05 amChicago O'Hare Intl
22h 25m
2 stops
AEP8:30 amBuenos Aires Jorge Newbery
$1,137
LATAM Airlines
Sep 13
AEP5:35 pmBuenos Aires Jorge Newbery
41h 59m
2 stops
ORD9:34 amChicago O'Hare Intl
Sep 30
ORD10:25 amChicago O'Hare Intl
26h 25m
2 stops
AEP2:50 pmBuenos Aires Jorge Newbery
$1,152

Air Canada flights from Buenos Aires to Chicago O'Hare Intl Airport

Our best Air Canada deals on Buenos Aires to Chicago O'Hare Intl Airport flight tickets
Air Canada
Jun 1
EZE4:35 pmBuenos Aires Ministro Pistarini
19h 43m
2 stops
ORD10:18 amChicago O'Hare Intl
Jul 1
ORD11:05 amChicago O'Hare Intl
25h 25m
3 stops
EZE2:30 pmBuenos Aires Ministro Pistarini
$1,301
Air Canada
Jun 1
EZE4:35 pmBuenos Aires Ministro Pistarini
19h 43m
2 stops
ORD10:18 amChicago O'Hare Intl
Jul 1
ORD11:05 amChicago O'Hare Intl
25h 25m
3 stops
EZE2:30 pmBuenos Aires Ministro Pistarini
$1,408
Air Canada
Jun 1
EZE4:35 pmBuenos Aires Ministro Pistarini
28h 09m
3 stops
ORD6:44 pmChicago O'Hare Intl
Jul 1
ORD11:05 amChicago O'Hare Intl
25h 25m
3 stops
EZE2:30 pmBuenos Aires Ministro Pistarini
$1,828

momondo Fare Finder

 
Customize your flight search to find flights from Buenos Aires to Chicago O'Hare Intl 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 May 26, 2026.
Use the filters below to find and compare flights from Buenos Aires to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Thu 10/22

7:00 am-9:20 pm

1 stop16h 20m

Chicago O'Hare Intl

Wed 10/28

11:20 pm-5:40 am

1 stop28h 20m

$750
Quickest round-trip

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Thu 10/1

11:00 am-11:40 pm

1 stop14h 40m

Chicago O'Hare Intl

Sat 10/24

12:12 pm-4:10 am

1 stop13h 58m

$753

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Thu 9/3

9:45 am-11:40 pm

1 stop15h 55m

Chicago O'Hare Intl

Mon 9/14

5:30 am-12:05 am

1 stop16h 35m

$754

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Sun 10/4

8:40 am-10:10 pm

1 stop15h 30m

Chicago O'Hare Intl

Mon 10/19

5:30 am-12:05 am

1 stop16h 35m

$773

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Sun 8/30

8:40 am-10:10 pm

1 stop15h 30m

Chicago O'Hare Intl

Mon 9/14

5:30 am-12:05 am

1 stop16h 35m

$788

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Thu 11/12

11:00 am-10:40 pm

1 stop14h 40m

Chicago O'Hare Intl

Fri 12/4

5:45 am-9:16 am

1 stop24h 31m

$798

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Thu 10/1

11:00 am-11:40 pm

1 stop14h 40m

Chicago O'Hare Intl

Fri 10/23

6:45 am-7:40 pm

1 stop34h 55m

$813

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Tue 9/15

5:30 pm-1:02 am

2 stops33h 32m

Chicago O'Hare Intl

Mon 9/28

5:30 am-12:05 am

1 stop16h 35m

$830

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Mon 8/24

7:00 am-9:20 pm

1 stop16h 20m

Chicago O'Hare Intl

Thu 8/27

10:50 am-5:40 am

2 stops16h 50m

$883

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Fri 9/25

7:00 am-7:25 am

2 stops50h 25m

Chicago O'Hare Intl

Wed 9/30

11:20 pm-5:40 am

1 stop28h 20m

$973

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 Chicago from

How to get the cheapest flight ticket from Buenos Aires to Chicago O'Hare Intl 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 typical price of a round-trip flight between Buenos Aires and Chicago O'Hare Intl Airport?

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The month of January is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Buenos Aires averaging around $484.

Can stopping save me money on Buenos Aires to Chicago O'Hare Intl Airport flights?

You could potentially save up to 37% on your flight if you consider stops on a Buenos Aires to Chicago O'Hare Intl Airport flight.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Buenos Aires to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Buenos Aires to Chicago O'Hare Intl Airport (BUE to ORD) flight deals and tips

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

Fastest flight time

15h 55m

Direct flights

None
The fastest flight from Buenos Aires to Chicago O'Hare Intl Airport takes 15h 55m
There are no direct flights from Buenos Aires to Chicago O'Hare Intl Airport. There are no popular flight routes from Buenos Aires to Chicago O'Hare Intl Airport.
Search flight deals

Frequently asked questions about flying from Buenos Aires to Chicago O'Hare Intl Airport

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

    The distance between Buenos Aires and Chicago O'Hare Intl is about 5608.8 mi. By plane, this route typically takes 15h 55m.

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

    Prices for flights from Buenos Aires to Chicago O'Hare Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Buenos Aires to Chicago O'Hare Intl Airport?

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Buenos Aires to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The travel and health documents you'll need for your trip to Chicago O'Hare Intl 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 Chicago O'Hare Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Buenos Aires to Chicago O'Hare Intl Airport?

Best airlines flying from Buenos Aires to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Buenos Aires to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
AviancaPriceFrom $578Free CancellationRating
6.5
2,528 reviews
Search Avianca flights
American AirlinesPriceFrom $694Free CancellationRating
7.1
11,641 reviews
Search American Airlines flights
Copa AirlinesPriceFrom $750Free CancellationRating
7.6
1,574 reviews
Search Copa Airlines flights
DeltaPriceFrom $884Free CancellationRating
7.9
8,425 reviews
Search Delta flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
South Haven
Schaumburg
Rockford
Merrillville
Gurnee
Rosemont
Naperville
Orland Park
New Buffalo
Oak Brook
Kenosha
Joliet
Aurora
Racine
Janesville
Hammond
Evanston
Tinley Park
South Holland

Why use momondo?

Why should I use momondo to find a flight deal from Buenos Aires to Chicago?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chicago from Buenos Aires.

Can I find flights from Buenos Aires to Chicago with flexible booking policies on momondo?

Yes. All flights to Chicago from Buenos Aires on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Buenos Aires to Chicago?

Once all potential Buenos Aires to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Chicago, momondo offers a useful price alert feature which will track prices for flights to Chicago from Buenos Aires and alert you when they change.

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