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Cheap flights from Buenos Aires to Chicago from $367

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 12/8. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
2:40 am - 6:36 pmEZE-ORD
42h 56m2 stops
Multiple Airlines Logo
5:45 am - 12:05 amORD-EZE
15h 20m1 stop
$689Multiple Airlines
Find Deal
Mon, Dec 15 - Wed, Dec 31
Multiple Airlines Logo
4:30 pm - 6:36 pmAEP-ORD
29h 06m3 stops
Multiple Airlines Logo
7:41 pm - 7:30 amORD-AEP
32h 49m2 stops
$699Multiple Airlines
Find Deal
Fri, Dec 5 - Sun, Dec 7
LATAM Airlines Logo
3:55 pm - 12:43 pmEZE-ORD
23h 48m2 stops
LATAM Airlines Logo
11:15 am - 9:35 amORD-EZE
19h 20m2 stops
$748LATAM Airlines
Find Deal
Fri, Dec 5 - Sun, Dec 7
Arajet Logo
2:45 am - 10:40 pmEZE-ORD
22h 55m1 stop
Arajet Logo
5:45 am - 12:05 amORD-EZE
15h 20m1 stop
$759Arajet
Find Deal
Mon, Dec 15 - Wed, Dec 31
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
Avianca Logo
7:30 am - 8:20 pmEZE-ORD
15h 50m1 stop
Avianca Logo
10:20 pm - 3:50 pmORD-EZE
14h 30m1 stop
$834Avianca
Find Deal
Tue, Nov 18 - Wed, Dec 3
Air Canada Logo
4:35 pm - 10:08 amEZE-ORD
19h 33m2 stops
Air Canada Logo
8:20 pm - 2:30 pmORD-EZE
40h 10m2 stops
$837Air Canada
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Wed, Apr 22 - Mon, Apr 27
Arajet Logo
11:20 am - 10:40 pmEZE-ORD
14h 20m1 stop
Arajet Logo
10:27 am - 3:45 amORD-EZE
14h 18m1 stop
$868Arajet
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Tue, Dec 23 - Sat, Jan 10
Avianca Logo
7:00 am - 8:20 pmAEP-ORD
16h 20m1 stop
Avianca Logo
8:50 am - 5:40 amORD-AEP
17h 50m2 stops
$909Avianca
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Fri, Dec 5 - Sun, Dec 7
LATAM Airlines Logo
3:40 pm - 10:22 amAEP-ORD
21h 42m2 stops
LATAM Airlines Logo
10:36 am - 2:40 pmORD-AEP
25h 04m2 stops
$1,060LATAM Airlines
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Fri, Dec 5 - Wed, Dec 10

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
Dec 15
EZE2:45 amBuenos Aires Ministro Pistarini
22h 55m
1 stop
ORD10:40 pmChicago O'Hare Intl
Dec 31
ORD5:45 amChicago O'Hare Intl
15h 20m
1 stop
EZE12:05 amBuenos Aires Ministro Pistarini
$759
Find similar
Arajet
Dec 23
EZE11:20 amBuenos Aires Ministro Pistarini
14h 20m
1 stop
ORD10:40 pmChicago O'Hare Intl
Jan 10
ORD10:27 amChicago O'Hare Intl
14h 18m
1 stop
EZE3:45 amBuenos Aires Ministro Pistarini
$868
Find similar

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
Nov 18
EZE7:30 amBuenos Aires Ministro Pistarini
15h 50m
1 stop
ORD8:20 pmChicago O'Hare Intl
Dec 3
ORD10:20 pmChicago O'Hare Intl
14h 30m
1 stop
EZE3:50 pmBuenos Aires Ministro Pistarini
$834
Find similar
Avianca
Nov 7
EZE1:40 amBuenos Aires Ministro Pistarini
19h 51m
2 stops
ORD6:31 pmChicago O'Hare Intl
Nov 10
ORD10:20 pmChicago O'Hare Intl
23h 15m
1 stop
EZE12:35 amBuenos Aires Ministro Pistarini
$861
Find similar
Avianca
Dec 5
AEP7:00 amBuenos Aires Jorge Newbery
16h 20m
1 stop
ORD8:20 pmChicago O'Hare Intl
Dec 7
ORD8:50 amChicago O'Hare Intl
17h 50m
2 stops
AEP5:40 amBuenos Aires Jorge Newbery
$909
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 6, 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

2:40 am-6:36 pm

2 stops42h 56m

Chicago O'Hare Intl

Wed 12/31

5:45 am-12:05 am

1 stop15h 20m

$689

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Fri 12/5

4:30 pm-6:36 pm

3 stops29h 06m

Chicago O'Hare Intl

Sun 12/7

7:41 pm-7:30 am

2 stops32h 49m

$699

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Fri 12/5

3:55 pm-12:43 pm

2 stops23h 48m

Chicago O'Hare Intl

Sun 12/7

11:15 am-9:35 am

2 stops19h 20m

$748

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Mon 12/15

2:45 am-10:40 pm

1 stop22h 55m

Chicago O'Hare Intl

Wed 12/31

5:45 am-12:05 am

1 stop15h 20m

$759

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

Tue 11/18

7:30 am-8:20 pm

1 stop15h 50m

Chicago O'Hare Intl

Wed 12/3

10:20 pm-3:50 pm

1 stop14h 30m

$834

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Wed 4/22

4:35 pm-10:08 am

2 stops19h 33m

Chicago O'Hare Intl

Mon 4/27

8:20 pm-2:30 pm

2 stops40h 10m

$837

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Tue 12/23

11:20 am-10:40 pm

1 stop14h 20m

Chicago O'Hare Intl

Sat 1/10

10:27 am-3:45 am

1 stop14h 18m

$868

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Fri 12/5

7:00 am-8:20 pm

1 stop16h 20m

Chicago O'Hare Intl

Sun 12/7

8:50 am-5:40 am

2 stops17h 50m

$909

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Fri 12/5

3:40 pm-10:22 am

2 stops21h 42m

Chicago O'Hare Intl

Wed 12/10

10:36 am-2:40 pm

2 stops25h 04m

$1,060

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 month to fly to Chicago O'Hare Intl Airport?

The month of July is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Buenos Aires averaging around $995.

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 $1,246 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 20m.

  • 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
2,469 reviews
Search Avianca flights
American AirlinesPriceFrom $694Free CancellationRating
7.2
11,041 reviews
Search American Airlines flights
Copa AirlinesPriceFrom $750Free CancellationRating
7.6
1,561 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $777Free CancellationRating
7.4
9,003 reviews
Search United Airlines flights
DeltaPriceFrom $884Free CancellationRating
7.9
8,004 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.

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