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Cheap flights from Buenos Aires to Chicago from $401

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 5/6. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Buenos Aires to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
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
$736Arajet
Sun, Sep 13 - Mon, Sep 21
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
$738Arajet
Sun, Aug 9 - Mon, Sep 7
Arajet Logo
11:00 am - 11:40 pm
EZE
-
ORD
14h 40m
1 stop
Arajet Logo
5:30 am - 12:05 am
ORD
-
EZE
16h 35m
1 stop
$755Arajet
Thu, Aug 13 - Mon, Sep 7
Arajet Logo
8:40 am - 10:10 pm
EZE
-
ORD
15h 30m
1 stop
Arajet Logo
12:12 pm - 4:10 am
ORD
-
EZE
13h 58m
1 stop
$767Arajet
Sun, Aug 9 - Sat, Sep 12
Arajet Logo
9:15 pm - 11:40 pm
EZE
-
ORD
28h 25m
1 stop
Arajet Logo
5:30 am - 12:05 am
ORD
-
EZE
16h 35m
1 stop
$768Arajet
Wed, Aug 19 - Mon, Sep 7
Arajet Logo
11:00 am - 11:40 pm
EZE
-
ORD
14h 40m
1 stop
Arajet Logo
5:30 am - 12:05 am
ORD
-
EZE
16h 35m
1 stop
$769Arajet
Thu, Sep 10 - Mon, Sep 21
Multiple Airlines Logo
10:45 pm - 8:50 am
EZE
-
ORD
36h 05m
2 stops
Multiple Airlines Logo
12:12 pm - 4:10 am
ORD
-
EZE
13h 58m
1 stop
$771Multiple Airlines
Sun, Apr 12 - Sat, Apr 18
Arajet Logo
11:00 am - 11:40 pm
EZE
-
ORD
14h 40m
1 stop
Arajet Logo
5:30 am - 12:05 am
ORD
-
EZE
16h 35m
1 stop
$775Arajet
Thu, Aug 20 - Mon, Sep 7
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
$784Arajet
Thu, Aug 13 - Sat, Sep 12
Multiple Airlines Logo
5:45 am - 9:20 pm
AEP
-
ORD
41h 35m
2 stops
Multiple Airlines Logo
11:20 pm - 9:20 pm
ORD
-
AEP
20h 00m
2 stops
$810Multiple Airlines
Sun, May 10 - Fri, May 15

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

Our best Avianca deals on Buenos Aires to Chicago O'Hare Intl Airport flight tickets
Avianca
Mar 25
EZE7:30 amBuenos Aires Ministro Pistarini
15h 50m
1 stop
ORD9:20 pmChicago O'Hare Intl
Apr 24
ORD11:20 pmChicago O'Hare Intl
14h 20m
1 stop
EZE3:40 pmBuenos Aires Ministro Pistarini
$1,011
Avianca
Mar 26
EZE7:30 amBuenos Aires Ministro Pistarini
15h 50m
1 stop
ORD9:20 pmChicago O'Hare Intl
Apr 2
ORD11:20 pmChicago O'Hare Intl
14h 20m
1 stop
EZE3:40 pmBuenos Aires Ministro Pistarini
$1,033
Avianca
Mar 25
EZE7:30 amBuenos Aires Ministro Pistarini
15h 50m
1 stop
ORD9:20 pmChicago O'Hare Intl
May 2
ORD11:20 pmChicago O'Hare Intl
14h 20m
1 stop
EZE3:40 pmBuenos Aires Ministro Pistarini
$1,042

Arajet flights from Buenos Aires to Chicago O'Hare Intl Airport

Our best Arajet deals on Buenos Aires to Chicago O'Hare Intl Airport flight tickets
Arajet
Sep 13
EZE8:40 amBuenos Aires Ministro Pistarini
15h 30m
1 stop
ORD10:10 pmChicago O'Hare Intl
Sep 21
ORD5:30 amChicago O'Hare Intl
16h 35m
1 stop
EZE12:05 amBuenos Aires Ministro Pistarini
$736
Arajet
Aug 9
EZE8:40 amBuenos Aires Ministro Pistarini
15h 30m
1 stop
ORD10:10 pmChicago O'Hare Intl
Sep 7
ORD5:30 amChicago O'Hare Intl
16h 35m
1 stop
EZE12:05 amBuenos Aires Ministro Pistarini
$738
Arajet
Aug 13
EZE11:00 amBuenos Aires Ministro Pistarini
14h 40m
1 stop
ORD11:40 pmChicago O'Hare Intl
Sep 7
ORD5:30 amChicago O'Hare Intl
16h 35m
1 stop
EZE12:05 amBuenos Aires Ministro Pistarini
$755

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 March 22, 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

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Sun 9/13

8:40 am-10:10 pm

1 stop15h 30m

Chicago O'Hare Intl

Mon 9/21

5:30 am-12:05 am

1 stop16h 35m

$736

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Sun 8/9

8:40 am-10:10 pm

1 stop15h 30m

Chicago O'Hare Intl

Mon 9/7

5:30 am-12:05 am

1 stop16h 35m

$738

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Thu 8/13

11:00 am-11:40 pm

1 stop14h 40m

Chicago O'Hare Intl

Mon 9/7

5:30 am-12:05 am

1 stop16h 35m

$755

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Sun 8/9

8:40 am-10:10 pm

1 stop15h 30m

Chicago O'Hare Intl

Sat 9/12

12:12 pm-4:10 am

1 stop13h 58m

$767

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Wed 8/19

9:15 pm-11:40 pm

1 stop28h 25m

Chicago O'Hare Intl

Mon 9/7

5:30 am-12:05 am

1 stop16h 35m

$768

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Thu 9/10

11:00 am-11:40 pm

1 stop14h 40m

Chicago O'Hare Intl

Mon 9/21

5:30 am-12:05 am

1 stop16h 35m

$769

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Sun 4/12

10:45 pm-8:50 am

2 stops36h 05m

Chicago O'Hare Intl

Sat 4/18

12:12 pm-4:10 am

1 stop13h 58m

$771

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Thu 8/20

11:00 am-11:40 pm

1 stop14h 40m

Chicago O'Hare Intl

Mon 9/7

5:30 am-12:05 am

1 stop16h 35m

$775
Quickest round-trip

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Thu 8/13

11:00 am-11:40 pm

1 stop14h 40m

Chicago O'Hare Intl

Sat 9/12

12:12 pm-4:10 am

1 stop13h 58m

$784

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Sun 5/10

5:45 am-9:20 pm

2 stops41h 35m

Chicago O'Hare Intl

Fri 5/15

11:20 pm-9:20 pm

2 stops20h 00m

$810

Flights are sorted by cheapest round-trip flights first.

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

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

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

You could potentially save up to 2% 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

14h 40m

Direct flights

None
The fastest flight from Buenos Aires to Chicago O'Hare Intl Airport takes 14h 40m
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

  • 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 14h 40m.

  • 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
Copa AirlinesPriceFrom $484Free CancellationRating
7.5
1,575 reviews
Search Copa Airlines flights
AviancaPriceFrom $578Free CancellationRating
6.5
2,505 reviews
Search Avianca flights
American AirlinesPriceFrom $694Free CancellationRating
7.1
11,488 reviews
Search American Airlines flights
DeltaPriceFrom $884Free CancellationRating
7.9
8,319 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
Schaumburg
South Haven
Rockford
Merrillville
Gurnee
Rosemont
Naperville
New Buffalo
Orland Park
Kenosha
Oak Brook
Joliet
Racine
Janesville
Hammond
Aurora
Tinley Park
Elgin
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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