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Cheap flights from Buenos Aires to Chicago from $369

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 12/7. 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

American Airlines Logo
10:30 pm - 7:32 pmEZE-ORD
23h 02m1 stop
American Airlines Logo
10:22 am - 7:05 amORD-EZE
18h 43m1 stop
$669American Airlines
Find Deal
Mon, Oct 20 - Mon, Oct 27
American Airlines Logo
10:30 pm - 4:46 pmEZE-ORD
20h 16m1 stop
American Airlines Logo
8:10 am - 7:25 amORD-EZE
20h 15m1 stop
$671American Airlines
Find Deal
Thu, Oct 2 - Tue, Dec 2
American Airlines Logo
10:30 pm - 4:46 pmEZE-ORD
20h 16m1 stop
American Airlines Logo
11:40 am - 10:50 amORD-EZE
20h 10m1 stop
$672American Airlines
Find Deal
Thu, Oct 2 - Thu, Jan 8
Avianca Logo
1:40 am - 1:15 pmEZE-ORD
13h 35m1 stop
Avianca Logo
11:20 pm - 3:50 pmORD-EZE
14h 30m1 stop
$690Avianca
Find Deal
Sat, Oct 18 - Thu, Oct 30
Avianca Logo
1:40 am - 1:15 pmEZE-ORD
13h 35m1 stop
Avianca Logo
10:20 pm - 3:50 pmORD-EZE
14h 30m1 stop
$692Avianca
Find Deal
Wed, Oct 1 - Thu, Jan 8
Delta Logo
8:10 pm - 4:20 pmEZE-ORD
22h 10m2 stops
Delta Logo
1:10 pm - 10:15 amORD-EZE
18h 05m2 stops
$696Delta
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Thu, Oct 2 - Tue, Dec 2
LATAM Airlines Logo
3:55 am - 11:58 pmEZE-ORD
22h 03m2 stops
LATAM Airlines Logo
9:42 am - 6:20 amORD-EZE
18h 38m2 stops
$705LATAM Airlines
Find Deal
Sun, Oct 19 - Mon, Oct 27
LATAM Airlines Logo
10:55 pm - 11:54 pmAEP-ORD
26h 59m2 stops
LATAM Airlines Logo
1:26 pm - 4:05 pmORD-AEP
24h 39m2 stops
$705LATAM Airlines
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Thu, Oct 2 - Thu, Oct 16
Copa Airlines Logo
3:47 am - 12:21 amEZE-ORD
22h 34m1 stop
Copa Airlines Logo
7:59 am - 4:19 amORD-EZE
18h 20m1 stop
$714Copa Airlines
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Tue, Oct 7 - Sun, Oct 12
Copa Airlines Logo
2:32 pm - 1:41 pmEZE-ORD
25h 09m1 stop
Copa Airlines Logo
3:07 pm - 1:00 amORD-EZE
31h 53m1 stop
$731Copa Airlines
Find Deal
Sun, Oct 19 - Thu, Oct 30

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
Oct 18
EZE1:40 amBuenos Aires Ministro Pistarini
13h 35m
1 stop
ORD1:15 pmChicago O'Hare Intl
Oct 30
ORD11:20 pmChicago O'Hare Intl
14h 30m
1 stop
EZE3:50 pmBuenos Aires Ministro Pistarini
$690
Find similar
Avianca
Oct 1
EZE1:40 amBuenos Aires Ministro Pistarini
13h 35m
1 stop
ORD1:15 pmChicago O'Hare Intl
Jan 8
ORD10:20 pmChicago O'Hare Intl
14h 30m
1 stop
EZE3:50 pmBuenos Aires Ministro Pistarini
$692
Find similar
Avianca
Nov 19
EZE7:35 amBuenos Aires Ministro Pistarini
15h 45m
1 stop
ORD8:20 pmChicago O'Hare Intl
Nov 28
ORD10:20 pmChicago O'Hare Intl
14h 30m
1 stop
EZE3:50 pmBuenos Aires Ministro Pistarini
$694
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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
Sep 28
EZE3:55 amBuenos Aires Ministro Pistarini
21h 59m
2 stops
ORD11:54 pmChicago O'Hare Intl
Oct 28
ORD11:23 amChicago O'Hare Intl
16h 57m
2 stops
EZE6:20 amBuenos Aires Ministro Pistarini
$705
Find similar
LATAM Airlines
Oct 1
EZE3:40 pmBuenos Aires Ministro Pistarini
22h 44m
2 stops
ORD12:24 pmChicago O'Hare Intl
Nov 20
ORD6:45 amChicago O'Hare Intl
20h 10m
2 stops
EZE5:55 amBuenos Aires Ministro Pistarini
$706
Find similar
LATAM Airlines
Oct 2
AEP5:05 pmBuenos Aires Jorge Newbery
21h 19m
2 stops
ORD12:24 pmChicago O'Hare Intl
Dec 2
ORD9:50 amChicago O'Hare Intl
19h 05m
2 stops
AEP7:55 amBuenos Aires Jorge Newbery
$707
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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 September 17, 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

Mon 10/20

10:30 pm-7:32 pm

1 stop23h 02m

Chicago O'Hare Intl

Mon 10/27

10:22 am-7:05 am

1 stop18h 43m

$669

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Thu 10/2

10:30 pm-4:46 pm

1 stop20h 16m

Chicago O'Hare Intl

Tue 12/2

8:10 am-7:25 am

1 stop20h 15m

$671

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Thu 10/2

10:30 pm-4:46 pm

1 stop20h 16m

Chicago O'Hare Intl

Thu 1/8

11:40 am-10:50 am

1 stop20h 10m

$672

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Sat 10/18

1:40 am-1:15 pm

1 stop13h 35m

Chicago O'Hare Intl

Thu 10/30

11:20 pm-3:50 pm

1 stop14h 30m

$690

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Wed 10/1

1:40 am-1:15 pm

1 stop13h 35m

Chicago O'Hare Intl

Thu 1/8

10:20 pm-3:50 pm

1 stop14h 30m

$692

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Thu 10/2

8:10 pm-4:20 pm

2 stops22h 10m

Chicago O'Hare Intl

Tue 12/2

1:10 pm-10:15 am

2 stops18h 05m

$696

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Sun 10/19

3:55 am-11:58 pm

2 stops22h 03m

Chicago O'Hare Intl

Mon 10/27

9:42 am-6:20 am

2 stops18h 38m

$705

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Thu 10/2

10:55 pm-11:54 pm

2 stops26h 59m

Chicago O'Hare Intl

Thu 10/16

1:26 pm-4:05 pm

2 stops24h 39m

$705

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Tue 10/7

3:47 am-12:21 am

1 stop22h 34m

Chicago O'Hare Intl

Sun 10/12

7:59 am-4:19 am

1 stop18h 20m

$714

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Sun 10/19

2:32 pm-1:41 pm

1 stop25h 09m

Chicago O'Hare Intl

Thu 10/30

3:07 pm-1:00 am

1 stop31h 53m

$731

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 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 $1,197 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 $719 on momondo.

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

You could potentially save up to 7% 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 13h 35m.

  • 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 $750Free CancellationRating
7.6
1,533 reviews
Search Copa Airlines flights
AviancaPriceFrom $882Free CancellationRating
6.7
2,436 reviews
Search Avianca flights
DeltaPriceFrom $969Free CancellationRating
7.9
7,961 reviews
Search Delta flights
American AirlinesPriceFrom $1,015Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $1,084Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights

Traveling to a place near Chicago?

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