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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
8:30 pm - 11:03 amEZE-ORD
16h 33m1 stop
American Airlines Logo
1:43 pm - 10:50 amORD-EZE
19h 07m1 stop
$669American Airlines
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lun., oct. 20 - lun., oct. 27
American Airlines Logo
10:30 pm - 4:46 pmEZE-ORD
20h 16m1 stop
American Airlines Logo
4:33 pm - 10:50 amORD-EZE
15h 17m1 stop
$672American Airlines
Find Deal
jue., oct. 2 - jue., ene. 8
American Airlines Logo
11:35 pm - 10:35 pmEZE-ORD
25h 00m1 stop
American Airlines Logo
1:23 pm - 8:10 amORD-EZE
15h 47m1 stop
$673American Airlines
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jue., oct. 30 - jue., nov. 6
Avianca Logo
1:40 am - 1:15 pmEZE-ORD
13h 35m1 stop
Avianca Logo
2:35 pm - 5:45 amORD-EZE
13h 10m1 stop
$690Avianca
Find Deal
mié., oct. 15 - jue., oct. 23
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
mié., oct. 1 - dom., nov. 30
Delta Logo
8:10 pm - 10:19 amEZE-ORD
16h 09m2 stops
Delta Logo
7:00 am - 7:20 amORD-EZE
21h 20m2 stops
$696Delta
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jue., oct. 2 - jue., ene. 8
LATAM Airlines Logo
8:00 am - 10:44 pmEZE-ORD
17h 44m2 stops
LATAM Airlines Logo
11:19 am - 9:35 amORD-EZE
19h 16m2 stops
$703LATAM Airlines
Find Deal
mar., dic. 16 - mar., ene. 6
LATAM Airlines Logo
3:55 am - 11:58 pmEZE-ORD
22h 03m2 stops
LATAM Airlines Logo
9:42 am - 5:55 amORD-EZE
18h 13m2 stops
$705LATAM Airlines
Find Deal
dom., oct. 19 - lun., oct. 27
Copa Airlines Logo
5:08 am - 12:21 amEZE-ORD
21h 13m1 stop
Copa Airlines Logo
6:55 am - 4:16 amORD-EZE
18h 21m1 stop
$714Copa Airlines
Find Deal
sáb., oct. 18 - lun., dic. 1
Copa Airlines Logo
5:08 am - 12:21 amEZE-ORD
21h 13m1 stop
Copa Airlines Logo
6:55 am - 1:58 amORD-EZE
16h 03m1 stop
$827Copa Airlines
Find Deal
vie., oct. 3 - mar., dic. 2

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
Dec 16
EZE8:00 amBuenos Aires Ministro Pistarini
17h 44m
2 stops
ORD10:44 pmChicago O'Hare Intl
Jan 6
ORD11:19 amChicago O'Hare Intl
19h 16m
2 stops
EZE9:35 amBuenos Aires Ministro Pistarini
$703
Find similar
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 3
AEP5:05 pmBuenos Aires Jorge Newbery
19h 05m
2 stops
ORD10:10 amChicago O'Hare Intl
Dec 2
ORD4:21 pmChicago O'Hare Intl
23h 19m
2 stops
AEP6:40 pmBuenos Aires Jorge Newbery
$706
Find similar

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

Our best Copa Airlines deals on Buenos Aires to Chicago O'Hare Intl Airport flight tickets
Copa Airlines
Oct 18
EZE5:08 amBuenos Aires Ministro Pistarini
21h 13m
1 stop
ORD12:21 amChicago O'Hare Intl
Dec 1
ORD6:55 amChicago O'Hare Intl
18h 21m
1 stop
EZE4:16 amBuenos Aires Ministro Pistarini
$714
Find similar
Copa Airlines
Oct 3
EZE5:08 amBuenos Aires Ministro Pistarini
21h 13m
1 stop
ORD12:21 amChicago O'Hare Intl
Dec 2
ORD6:55 amChicago O'Hare Intl
16h 03m
1 stop
EZE1:58 amBuenos Aires Ministro Pistarini
$827
Find similar
Copa Airlines
Sep 28
EZE3:48 amBuenos Aires Ministro Pistarini
22h 33m
1 stop
ORD12:21 amChicago O'Hare Intl
Oct 28
ORD7:59 amChicago O'Hare Intl
21h 55m
1 stop
EZE7:54 amBuenos Aires Ministro Pistarini
$849
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 septiembre 16, 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

lun. 10/20

8:30 pm-11:03 am

1 stop16h 33m

Chicago O'Hare Intl

lun. 10/27

1:43 pm-10:50 am

1 stop19h 07m

$669

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

jue. 10/2

10:30 pm-4:46 pm

1 stop20h 16m

Chicago O'Hare Intl

jue. 1/8

4:33 pm-10:50 am

1 stop15h 17m

$672

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

jue. 10/30

11:35 pm-10:35 pm

1 stop25h 00m

Chicago O'Hare Intl

jue. 11/6

1:23 pm-8:10 am

1 stop15h 47m

$673

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

mié. 10/15

1:40 am-1:15 pm

1 stop13h 35m

Chicago O'Hare Intl

jue. 10/23

2:35 pm-5:45 am

1 stop13h 10m

$690

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

mié. 10/1

1:40 am-1:15 pm

1 stop13h 35m

Chicago O'Hare Intl

dom. 11/30

10:20 pm-3:50 pm

1 stop14h 30m

$692

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

jue. 10/2

8:10 pm-10:19 am

2 stops16h 09m

Chicago O'Hare Intl

jue. 1/8

7:00 am-7:20 am

2 stops21h 20m

$696

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

mar. 12/16

8:00 am-10:44 pm

2 stops17h 44m

Chicago O'Hare Intl

mar. 1/6

11:19 am-9:35 am

2 stops19h 16m

$703

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

dom. 10/19

3:55 am-11:58 pm

2 stops22h 03m

Chicago O'Hare Intl

lun. 10/27

9:42 am-5:55 am

2 stops18h 13m

$705

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

sáb. 10/18

5:08 am-12:21 am

1 stop21h 13m

Chicago O'Hare Intl

lun. 12/1

6:55 am-4:16 am

1 stop18h 21m

$714

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

vie. 10/3

5:08 am-12:21 am

1 stop21h 13m

Chicago O'Hare Intl

mar. 12/2

6:55 am-1:58 am

1 stop16h 03m

$827

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 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
1,531 reviews
Search Copa Airlines flights
AviancaPriceFrom $882Free CancellationRating
6.7
2,435 reviews
Search Avianca flights
DeltaPriceFrom $969Free CancellationRating
7.9
7,957 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
8,924 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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