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Cheap flights from Buenos Aires to Chicago from $447

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 8/20. 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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0 bags

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Find the cheapest flights from Buenos Aires to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Arajet Logo
8:40 am - 10:10 pm
EZE
-
ORD
15h 30m
1 stop
Arajet Logo
5:30 am - 8:15 am
ORD
-
EZE
24h 45m
1 stop
$818Arajet
Sun, Aug 23 - Mon, Aug 24
Multiple Airlines Logo
9:15 pm - 11:56 pm
EZE
-
ORD
28h 41m
2 stops
Multiple Airlines Logo
4:30 am - 12:05 am
ORD
-
EZE
17h 35m
1 stop
$846Multiple Airlines
Wed, May 20 - Mon, Jun 1
Multiple Airlines Logo
9:15 pm - 11:56 pm
EZE
-
ORD
28h 41m
2 stops
Multiple Airlines Logo
12:12 pm - 4:10 am
ORD
-
EZE
13h 58m
1 stop
$861Multiple Airlines
Wed, May 20 - Sat, May 30
Multiple Airlines Logo
5:00 am - 11:47 pm
EZE
-
ORD
44h 47m
2 stops
Multiple Airlines Logo
9:48 pm - 9:16 am
ORD
-
EZE
57h 28m
3 stops
$864Multiple Airlines
Thu, Jun 4 - Wed, Jun 10
Multiple Airlines Logo
4:45 am - 11:26 pm
EZE
-
ORD
20h 41m
2 stops
Multiple Airlines Logo
4:30 am - 12:05 am
ORD
-
EZE
17h 35m
1 stop
$867Multiple Airlines
Fri, May 22 - Mon, Jun 1
Multiple Airlines Logo
3:55 am - 11:56 pm
EZE
-
ORD
22h 01m
2 stops
Multiple Airlines Logo
4:30 am - 12:05 am
ORD
-
EZE
17h 35m
1 stop
$874Multiple Airlines
Wed, May 20 - Mon, Jun 1
Multiple Airlines Logo
4:45 am - 11:26 pm
EZE
-
ORD
20h 41m
2 stops
Multiple Airlines Logo
12:12 pm - 4:10 am
ORD
-
EZE
13h 58m
1 stop
$882Multiple Airlines
Fri, May 22 - Sat, May 30
LATAM Airlines Logo
8:10 pm - 11:56 am
EZE
-
MDW
17h 46m
1 stop
LATAM Airlines Logo
12:53 pm - 9:45 am
MDW
-
EZE
18h 52m
1 stop
$1,095LATAM Airlines
Thu, May 21 - Fri, May 29
LATAM Airlines Logo
3:55 am - 10:00 am
EZE
-
MDW
32h 05m
2 stops
LATAM Airlines Logo
10:59 am - 11:30 am
MDW
-
EZE
22h 31m
2 stops
$1,100LATAM Airlines
Wed, May 20 - Mon, Jun 1
Delta Logo
8:10 pm - 12:42 pm
EZE
-
MDW
18h 32m
2 stops
Delta Logo
5:10 pm - 9:45 am
MDW
-
EZE
14h 35m
1 stop
$1,127Delta
Fri, May 22 - Sat, May 30

Arajet flights from Buenos Aires to Chicago

Our best Arajet deals on Buenos Aires to Chicago flight tickets
Arajet
Aug 23
EZE8:40 amBuenos Aires Ministro Pistarini
15h 30m
1 stop
ORD10:10 pmChicago O'Hare Intl
Aug 24
ORD5:30 amChicago O'Hare Intl
24h 45m
1 stop
EZE8:15 amBuenos Aires Ministro Pistarini
$818
Arajet
May 24
EZE8:40 amBuenos Aires Ministro Pistarini
15h 30m
1 stop
ORD10:10 pmChicago O'Hare Intl
Jun 1
ORD4:30 amChicago O'Hare Intl
17h 35m
1 stop
EZE12:05 amBuenos Aires Ministro Pistarini
$893
Arajet
May 24
EZE8:40 amBuenos Aires Ministro Pistarini
15h 30m
1 stop
ORD10:10 pmChicago O'Hare Intl
May 30
ORD12:12 pmChicago O'Hare Intl
13h 58m
1 stop
EZE4:10 amBuenos Aires Ministro Pistarini
$907

LATAM Airlines flights from Buenos Aires to Chicago

Our best LATAM Airlines deals on Buenos Aires to Chicago flight tickets
LATAM Airlines
May 10
EZE12:15 pmBuenos Aires Ministro Pistarini
24h 01m
2 stops
ORD10:16 amChicago O'Hare Intl
May 17
ORD5:30 amChicago O'Hare Intl
26h 15m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
$1,024
LATAM Airlines
May 21
EZE8:10 pmBuenos Aires Ministro Pistarini
17h 46m
1 stop
MDW11:56 amChicago Midway
May 29
MDW12:53 pmChicago Midway
18h 52m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
$1,095
LATAM Airlines
May 12
EZE8:10 pmBuenos Aires Ministro Pistarini
24h 31m
1 stop
ORD6:41 pmChicago O'Hare Intl
May 21
ORD11:26 amChicago O'Hare Intl
20h 19m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
$1,097

momondo Fare Finder

 
Customize your flight search to find flights from Buenos Aires to Chicago 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 May 5, 2026.
Use the filters below to find and compare flights from Buenos Aires to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Sun 8/23

8:40 am-10:10 pm

1 stop15h 30m

Chicago O'Hare Intl

Mon 8/24

5:30 am-8:15 am

1 stop24h 45m

$818

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Wed 5/20

9:15 pm-11:56 pm

2 stops28h 41m

Chicago O'Hare Intl

Mon 6/1

4:30 am-12:05 am

1 stop17h 35m

$846

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Wed 5/20

9:15 pm-11:56 pm

2 stops28h 41m

Chicago O'Hare Intl

Sat 5/30

12:12 pm-4:10 am

1 stop13h 58m

$861

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Thu 6/4

5:00 am-11:47 pm

2 stops44h 47m

Chicago O'Hare Intl

Wed 6/10

9:48 pm-9:16 am

3 stops57h 28m

$864

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Fri 5/22

4:45 am-11:26 pm

2 stops20h 41m

Chicago O'Hare Intl

Mon 6/1

4:30 am-12:05 am

1 stop17h 35m

$867

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Wed 5/20

3:55 am-11:56 pm

2 stops22h 01m

Chicago O'Hare Intl

Mon 6/1

4:30 am-12:05 am

1 stop17h 35m

$874

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Fri 5/22

4:45 am-11:26 pm

2 stops20h 41m

Chicago O'Hare Intl

Sat 5/30

12:12 pm-4:10 am

1 stop13h 58m

$882

Buenos AiresChicago

EZE - MDW

EZEMDW

Buenos Aires Ministro Pistarini

Thu 5/21

8:10 pm-11:56 am

1 stop17h 46m

Chicago Midway

Fri 5/29

12:53 pm-9:45 am

1 stop18h 52m

$1,095

Buenos AiresChicago

EZE - MDW

EZEMDW

Buenos Aires Ministro Pistarini

Wed 5/20

3:55 am-10:00 am

2 stops32h 05m

Chicago Midway

Mon 6/1

10:59 am-11:30 am

2 stops22h 31m

$1,100
Quickest round-trip

Buenos AiresChicago

EZE - MDW

EZEMDW

Buenos Aires Ministro Pistarini

Fri 5/22

8:10 pm-12:42 pm

2 stops18h 32m

Chicago Midway

Sat 5/30

5:10 pm-9:45 am

1 stop14h 35m

$1,127

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

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?

What is the cheapest month to fly to Chicago?

The month of November is, on average, the cheapest month to fly to Chicago from Buenos Aires, with most prices found around $217. If you’re not able to fly to Chicago in November, then July is your next best option. Flight prices from Buenos Aires to Chicago during July average around $248.

Can stopping save me money on Buenos Aires to Chicago flights?

You could potentially save up to 31% on your flight if you consider stops on a Buenos Aires to Chicago flight.

How have Buenos Aires to Chicago flight prices changed over time?

As of May 2026, prices for Buenos Aires to Chicago flights are approximately 564% more expensive when compared to flights at the same time last year.

When to book flights from Buenos Aires to Chicago

Are you open to changing your travel dates? Check out the ideal times to fly from Buenos Aires to Chicago according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Buenos Aires to Chicago (BUE to CHI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Buenos Aires to Chicago

Fastest flight time

14h 24m

Direct flights

None
The fastest flight from Buenos Aires to Chicago takes 14h 24m
There are no direct flights from Buenos Aires to Chicago. There are no popular flight routes from Buenos Aires to Chicago.
Search flight deals

Frequently asked questions about flying from Buenos Aires to Chicago

  • How far is Buenos Aires to Chicago by plane?

    The straight-line distance from Buenos Aires to Chicago is 5596.4 mi. Typically, this will take 14h 24m by plane in normal conditions.

  • When did momondo last update prices for flights from Buenos Aires to Chicago?

    Prices for flights from Buenos Aires to Chicago are refreshed on a daily basis.

  • How many operators does momondo search for flights from Buenos Aires to Chicago?

  • How old do you have to be to fly from Buenos Aires to Chicago?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Buenos Aires to Chicago.

  • What documentation or ID do you need to fly to Chicago?

    The necessary travel and health documents for your Chicago trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Buenos Aires to Chicago?

Best airlines flying from Buenos Aires to Chicago

Compare and see reviews for airlines that fly from Buenos Aires to Chicago with momondo
Airline
Rating
Free Cancellation
Price
AviancaPriceFrom $578Free CancellationRating
6.5
2,522 reviews
Search Avianca flights
American AirlinesPriceFrom $694Free CancellationRating
7.1
11,667 reviews
Search American Airlines flights
Copa AirlinesPriceFrom $750Free CancellationRating
7.5
1,580 reviews
Search Copa Airlines flights
DeltaPriceFrom $884Free CancellationRating
7.9
8,460 reviews
Search Delta flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Saint Joseph
Benton Harbor
Portage
Lansing
Valparaiso
Munster
Schererville
Crown Point
Monticello
Chesterton
Porter
Griffith
Saint John

Why use momondo?

Why should I use momondo to find a flight deal from Buenos Aires to Chicago?

Finding the right flight to Chicago from Buenos Aires is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chicago quick and easy, saving you time and money.

Can I find flights from Buenos Aires to Chicago with flexible booking policies on momondo?

momondo does allow users to show only those flights to Chicago from Buenos Aires which offer a flexible booking policy as well as other useful filters and features.

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 not ready to book a flight from Buenos Aires to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.

An easier way to manage your Chicago trip

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Find better results for your trip to the United States

Fly into one of these airports located in Chicago

Airports listed have a maximum distance of 78.5 mi from Chicago
Chicago Midway Airport
Chicago O'Hare Intl Airport
Chicago Greater Rockford Airport