Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Buenos Aires to Chicago from $335

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 3/15. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Buenos Aires to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:00 am - 6:36 pmEZE-ORD
34h 36m1 stop
Multiple Airlines Logo
4:31 pm - 9:35 amORD-EZE
38h 04m2 stops
$792Multiple Airlines
Find Deal
Mon, Dec 15 - Thu, Jan 15
Multiple Airlines Logo
11:00 am - 6:36 pmEZE-ORD
34h 36m1 stop
Multiple Airlines Logo
12:39 pm - 7:15 pmORD-EZE
27h 36m2 stops
$816Multiple Airlines
Find Deal
Sun, Dec 14 - Mon, Dec 29
Multiple Airlines Logo
11:55 pm - 2:53 pmEZE-ORD
41h 58m2 stops
Multiple Airlines Logo
7:41 pm - 7:15 pmORD-EZE
20h 34m1 stop
$820Multiple Airlines
Find Deal
Mon, Dec 1 - Thu, Dec 4
Multiple Airlines Logo
11:00 am - 6:36 pmEZE-ORD
34h 36m1 stop
Multiple Airlines Logo
9:14 am - 9:35 amORD-EZE
21h 21m1 stop
$834Multiple Airlines
Find Deal
Tue, Dec 16 - Tue, Jan 13
Multiple Airlines Logo
11:00 am - 6:36 pmEZE-ORD
34h 36m1 stop
Multiple Airlines Logo
6:57 pm - 7:15 pmORD-EZE
21h 18m1 stop
$843Multiple Airlines
Find Deal
Tue, Dec 16 - Mon, Jan 12
Multiple Airlines Logo
11:00 am - 6:36 pmEZE-ORD
34h 36m1 stop
Multiple Airlines Logo
7:51 pm - 7:15 pmORD-EZE
20h 24m2 stops
$844Multiple Airlines
Find Deal
Tue, Dec 16 - Mon, Jan 12
Arajet Logo
8:40 am - 9:10 pmEZE-ORD
15h 30m1 stop
Arajet Logo
5:45 am - 12:05 amORD-EZE
15h 20m1 stop
$847Arajet
Find Deal
Sun, Dec 14 - Mon, Dec 29
Multiple Airlines Logo
11:00 am - 2:57 pmEZE-ORD
30h 57m2 stops
Multiple Airlines Logo
9:14 am - 9:35 amORD-EZE
21h 21m1 stop
$862Multiple Airlines
Find Deal
Tue, Dec 16 - Tue, Jan 13
Avianca Logo
7:00 am - 8:20 pmAEP-ORD
16h 20m1 stop
Avianca Logo
8:45 am - 5:40 amORD-AEP
17h 55m2 stops
$977Avianca
Find Deal
Mon, Dec 1 - Thu, Dec 4
LATAM Airlines Logo
3:40 pm - 12:10 pmAEP-ORD
23h 30m2 stops
LATAM Airlines Logo
5:33 am - 10:30 amORD-AEP
25h 57m2 stops
$1,056LATAM Airlines
Find Deal
Thu, Dec 18 - Mon, Jan 5

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

Our best Delta deals on Buenos Aires to Chicago O'Hare Intl Airport flight tickets
Delta
Nov 18
EZE8:55 pmBuenos Aires Ministro Pistarini
20h 00m
2 stops
ORD1:55 pmChicago O'Hare Intl
Dec 3
ORD2:30 pmChicago O'Hare Intl
15h 30m
2 stops
EZE9:00 amBuenos Aires Ministro Pistarini
$939
Find similar
Delta
Dec 21
EZE11:55 pmBuenos Aires Ministro Pistarini
18h 18m
1 stop
ORD3:13 pmChicago O'Hare Intl
Jan 6
ORD11:05 amChicago O'Hare Intl
17h 15m
2 stops
EZE7:20 amBuenos Aires Ministro Pistarini
$942
Find similar
Delta
Dec 18
EZE11:55 pmBuenos Aires Ministro Pistarini
19h 27m
2 stops
ORD4:22 pmChicago O'Hare Intl
Jan 5
ORD1:54 pmChicago O'Hare Intl
16h 06m
2 stops
EZE9:00 amBuenos Aires Ministro Pistarini
$944
Find similar

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
Nov 16
EZE7:10 amBuenos Aires Ministro Pistarini
28h 31m
2 stops
ORD8:41 amChicago O'Hare Intl
Dec 1
ORD1:25 pmChicago O'Hare Intl
26h 18m
2 stops
EZE6:43 pmBuenos Aires Ministro Pistarini
$948
Find similar
LATAM Airlines
Dec 16
EZE7:45 amBuenos Aires Ministro Pistarini
17h 58m
2 stops
ORD10:43 pmChicago O'Hare Intl
Jan 13
ORD12:00 pmChicago O'Hare Intl
18h 35m
2 stops
EZE9:35 amBuenos Aires Ministro Pistarini
$958
Find similar
LATAM Airlines
Nov 17
EZE4:05 amBuenos Aires Ministro Pistarini
21h 25m
2 stops
ORD10:30 pmChicago O'Hare Intl
Dec 3
ORD1:23 pmChicago O'Hare Intl
26h 20m
2 stops
EZE6:43 pmBuenos Aires Ministro Pistarini
$1,005
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 November 13, 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 12/15

11:00 am-6:36 pm

1 stop34h 36m

Chicago O'Hare Intl

Thu 1/15

4:31 pm-9:35 am

2 stops38h 04m

$792

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Sun 12/14

11:00 am-6:36 pm

1 stop34h 36m

Chicago O'Hare Intl

Mon 12/29

12:39 pm-7:15 pm

2 stops27h 36m

$816

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Mon 12/1

11:55 pm-2:53 pm

2 stops41h 58m

Chicago O'Hare Intl

Thu 12/4

7:41 pm-7:15 pm

1 stop20h 34m

$820

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Tue 12/16

11:00 am-6:36 pm

1 stop34h 36m

Chicago O'Hare Intl

Tue 1/13

9:14 am-9:35 am

1 stop21h 21m

$834

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Tue 12/16

11:00 am-6:36 pm

1 stop34h 36m

Chicago O'Hare Intl

Mon 1/12

6:57 pm-7:15 pm

1 stop21h 18m

$843

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Tue 12/16

11:00 am-6:36 pm

1 stop34h 36m

Chicago O'Hare Intl

Mon 1/12

7:51 pm-7:15 pm

2 stops20h 24m

$844

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Sun 12/14

8:40 am-9:10 pm

1 stop15h 30m

Chicago O'Hare Intl

Mon 12/29

5:45 am-12:05 am

1 stop15h 20m

$847

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Tue 12/16

11:00 am-2:57 pm

2 stops30h 57m

Chicago O'Hare Intl

Tue 1/13

9:14 am-9:35 am

1 stop21h 21m

$862

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Mon 12/1

7:00 am-8:20 pm

1 stop16h 20m

Chicago O'Hare Intl

Thu 12/4

8:45 am-5:40 am

2 stops17h 55m

$977

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Thu 12/18

3:40 pm-12:10 pm

2 stops23h 30m

Chicago O'Hare Intl

Mon 1/5

5:33 am-10:30 am

2 stops25h 57m

$1,056

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

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 December is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Buenos Aires averaging around $899.

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 $1,205 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.
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 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
2,475 reviews
Search Avianca flights
American AirlinesPriceFrom $694Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
Copa AirlinesPriceFrom $750Free CancellationRating
7.6
1,565 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $777Free CancellationRating
7.4
9,015 reviews
Search United Airlines flights
DeltaPriceFrom $884Free CancellationRating
7.9
8,007 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
Aurora
Elgin
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.

An easier way to manage your Chicago O'Hare Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 12/13
Sat 12/20
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Chicago