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Cheap flights from Buenos Aires to Chicago from $371

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 12/14. 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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Cheap round-trip flights

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Multiple Airlines Logo
4:55 pm - 11:13 pmEZE-ORD
33h 18m3 stops
Multiple Airlines Logo
4:58 pm - 5:10 amORD-EZE
33h 12m3 stops
$752Multiple Airlines
Find Deal
Wed, Nov 19 - Mon, Nov 24
Arajet Logo
8:50 am - 11:40 pmEZE-ORD
16h 50m1 stop
Arajet Logo
4:30 am - 12:05 amORD-EZE
17h 35m1 stop
$767Arajet
Find Deal
Tue, Apr 7 - Mon, May 18
Multiple Airlines Logo
5:10 am - 9:26 pmEZE-ORD
43h 16m3 stops
Multiple Airlines Logo
6:05 pm - 3:40 amORD-EZE
30h 35m3 stops
$776Multiple Airlines
Find Deal
Thu, Dec 4 - Tue, Jan 6
Arajet Logo
2:45 am - 10:10 pmEZE-ORD
21h 25m1 stop
Arajet Logo
4:30 am - 12:05 amORD-EZE
17h 35m1 stop
$787Arajet
Find Deal
Sat, Apr 11 - Mon, May 18
Air Canada Logo
4:45 pm - 11:18 amEZE-ORD
20h 33m2 stops
Air Canada Logo
12:50 pm - 2:30 pmORD-EZE
23h 40m2 stops
$831Air Canada
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Fri, Mar 20 - Sun, Apr 19
Air Canada Logo
4:35 pm - 2:55 pmEZE-ORD
24h 20m2 stops
Air Canada Logo
3:40 pm - 2:30 pmORD-EZE
20h 50m2 stops
$836Air Canada
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Wed, Apr 8 - Tue, May 12
American Airlines Logo
11:59 pm - 12:04 pmEZE-ORD
15h 05m1 stop
American Airlines Logo
4:40 pm - 9:00 amORD-EZE
13h 20m1 stop
$884American Airlines
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Sun, Nov 16 - Mon, Dec 1
Avianca Logo
7:30 am - 8:20 pmEZE-ORD
15h 50m1 stop
Avianca Logo
11:20 pm - 3:50 pmORD-EZE
14h 30m1 stop
$894Avianca
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Wed, Feb 11 - Wed, Mar 11
LATAM Airlines Logo
8:25 pm - 12:44 pmAEP-ORD
19h 19m2 stops
LATAM Airlines Logo
10:40 am - 10:30 amORD-AEP
21h 50m2 stops
$953LATAM Airlines
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Wed, Feb 11 - Wed, Mar 11
LATAM Airlines Logo
6:20 pm - 12:39 pmAEP-ORD
21h 19m2 stops
LATAM Airlines Logo
4:20 pm - 4:00 pmORD-AEP
20h 40m2 stops
$1,007LATAM Airlines
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Fri, Nov 28 - Thu, Dec 4

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
Apr 7
EZE8:50 amBuenos Aires Ministro Pistarini
16h 50m
1 stop
ORD11:40 pmChicago O'Hare Intl
May 18
ORD4:30 amChicago O'Hare Intl
17h 35m
1 stop
EZE12:05 amBuenos Aires Ministro Pistarini
$767
Find similar
Arajet
Apr 11
EZE2:45 amBuenos Aires Ministro Pistarini
21h 25m
1 stop
ORD10:10 pmChicago O'Hare Intl
May 18
ORD4:30 amChicago O'Hare Intl
17h 35m
1 stop
EZE12:05 amBuenos Aires Ministro Pistarini
$787
Find similar
Arajet
Apr 7
EZE8:50 amBuenos Aires Ministro Pistarini
16h 50m
1 stop
ORD11:40 pmChicago O'Hare Intl
May 13
ORD5:35 amChicago O'Hare Intl
16h 30m
1 stop
EZE12:05 amBuenos Aires Ministro Pistarini
$808
Find similar

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
Mar 20
EZE4:45 pmBuenos Aires Ministro Pistarini
20h 33m
2 stops
ORD11:18 amChicago O'Hare Intl
Apr 19
ORD12:50 pmChicago O'Hare Intl
23h 40m
2 stops
EZE2:30 pmBuenos Aires Ministro Pistarini
$831
Find similar
Air Canada
Apr 8
EZE4:35 pmBuenos Aires Ministro Pistarini
24h 20m
2 stops
ORD2:55 pmChicago O'Hare Intl
May 12
ORD3:40 pmChicago O'Hare Intl
20h 50m
2 stops
EZE2:30 pmBuenos Aires Ministro Pistarini
$836
Find similar
Air Canada
Mar 20
EZE4:45 pmBuenos Aires Ministro Pistarini
29h 15m
2 stops
ORD8:00 pmChicago O'Hare Intl
Apr 19
ORD7:15 amChicago O'Hare Intl
29h 15m
3 stops
EZE2:30 pmBuenos Aires Ministro Pistarini
$837
Find similar

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 October 23, 2025.
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

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Wed 11/19

4:55 pm-11:13 pm

3 stops33h 18m

Chicago O'Hare Intl

Mon 11/24

4:58 pm-5:10 am

3 stops33h 12m

$752

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Tue 4/7

8:50 am-11:40 pm

1 stop16h 50m

Chicago O'Hare Intl

Mon 5/18

4:30 am-12:05 am

1 stop17h 35m

$767

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Thu 12/4

5:10 am-9:26 pm

3 stops43h 16m

Chicago O'Hare Intl

Tue 1/6

6:05 pm-3:40 am

3 stops30h 35m

$776

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Sat 4/11

2:45 am-10:10 pm

1 stop21h 25m

Chicago O'Hare Intl

Mon 5/18

4:30 am-12:05 am

1 stop17h 35m

$787

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Fri 3/20

4:45 pm-11:18 am

2 stops20h 33m

Chicago O'Hare Intl

Sun 4/19

12:50 pm-2:30 pm

2 stops23h 40m

$831

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Wed 4/8

4:35 pm-2:55 pm

2 stops24h 20m

Chicago O'Hare Intl

Tue 5/12

3:40 pm-2:30 pm

2 stops20h 50m

$836

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Sun 11/16

11:59 pm-12:04 pm

1 stop15h 05m

Chicago O'Hare Intl

Mon 12/1

4:40 pm-9:00 am

1 stop13h 20m

$884

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Wed 2/11

7:30 am-8:20 pm

1 stop15h 50m

Chicago O'Hare Intl

Wed 3/11

11:20 pm-3:50 pm

1 stop14h 30m

$894

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Wed 2/11

8:25 pm-12:44 pm

2 stops19h 19m

Chicago O'Hare Intl

Wed 3/11

10:40 am-10:30 am

2 stops21h 50m

$953

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Fri 11/28

6:20 pm-12:39 pm

2 stops21h 19m

Chicago O'Hare Intl

Thu 12/4

4:20 pm-4:00 pm

2 stops20h 40m

$1,007

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 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 day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Wednesday when prices can be found for as low as $1,116. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Buenos Aires because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,431.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

Flying to Chicago O'Hare Intl Airport from Buenos Aires in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,156 when looking at flights departing in the morning. Try not to purchase tickets in the afternoon because they tend to be around $1,459. Of course, these prices can vary depending on the time of year and what airport you fly to.

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Buenos Aires when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $1,244 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Buenos Aires for as low as $800 on momondo.

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

You could potentially save up to 29% 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

Direct flights

None
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.
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  • 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 42m.

  • 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
6.6
2,460 reviews
Search Avianca flights
American AirlinesPriceFrom $694Free CancellationRating
7.2
11,028 reviews
Search American Airlines flights
Copa AirlinesPriceFrom $750Free CancellationRating
7.6
1,558 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $831Free CancellationRating
7.4
8,991 reviews
Search United Airlines flights
DeltaPriceFrom $884Free CancellationRating
7.9
7,981 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
Naperville
Rosemont
Kenosha
New Buffalo
Joliet
Oak Brook
Orland Park
Racine
Hammond
Tinley Park
Janesville
Elgin
Aurora
Benton Harbor

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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