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Cheap flights from Buenos Aires to Chicago from $399

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 8/26. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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 - 12:05 am
ORD
-
EZE
16h 35m
1 stop
$666Arajet
Sun, Sep 6 - Mon, Sep 14
Multiple Airlines Logo
7:00 am - 9:20 pm
EZE
-
ORD
40h 20m
2 stops
Multiple Airlines Logo
5:30 am - 12:05 am
ORD
-
EZE
16h 35m
1 stop
$716Multiple Airlines
Sun, Sep 6 - Mon, Sep 14
Multiple Airlines Logo
2:47 pm - 9:20 pm
EZE
-
ORD
32h 33m
3 stops
Multiple Airlines Logo
5:30 am - 12:05 am
ORD
-
EZE
16h 35m
1 stop
$818Multiple Airlines
Sun, Sep 6 - Mon, Sep 14
Arajet Logo
11:00 am - 11:40 pm
EZE
-
ORD
14h 40m
1 stop
Arajet Logo
5:30 am - 12:05 am
ORD
-
EZE
16h 35m
1 stop
$821Arajet
Thu, Oct 8 - Mon, Oct 19
Arajet Logo
9:45 am - 11:40 pm
EZE
-
ORD
15h 55m
1 stop
Arajet Logo
5:30 am - 12:05 am
ORD
-
EZE
16h 35m
1 stop
$837Arajet
Thu, Sep 3 - Mon, Oct 5
Arajet Logo
8:40 am - 10:10 pm
EZE
-
ORD
15h 30m
1 stop
Arajet Logo
5:30 am - 12:05 am
ORD
-
EZE
16h 35m
1 stop
$848Arajet
Sun, Oct 4 - Mon, Oct 5
Delta Logo
8:10 pm - 10:17 pm
EZE
-
MDW
28h 07m
1 stop
Delta Logo
1:18 pm - 9:45 am
MDW
-
EZE
18h 27m
2 stops
$983Delta
Tue, Jun 30 - Tue, Jul 14
LATAM Airlines Logo
8:10 pm - 3:37 pm
EZE
-
MDW
21h 27m
1 stop
LATAM Airlines Logo
5:10 pm - 9:45 am
MDW
-
EZE
14h 35m
1 stop
$984LATAM Airlines
Fri, Jul 10 - Mon, Jul 20
LATAM Airlines Logo
3:45 pm - 5:06 pm
AEP
-
ORD
27h 21m
2 stops
LATAM Airlines Logo
6:25 pm - 5:00 pm
ORD
-
AEP
20h 35m
2 stops
$984LATAM Airlines
Mon, Aug 3 - Mon, Aug 10
Delta Logo
8:10 pm - 11:56 am
EZE
-
MDW
17h 46m
1 stop
Delta Logo
10:54 am - 9:40 am
MDW
-
EZE
20h 46m
2 stops
$988Delta
Mon, Jul 27 - Mon, Sep 7

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Arajet flights from Buenos Aires to Chicago

Our best Arajet deals on Buenos Aires to Chicago flight tickets
Arajet
Sep 6
EZE8:40 amBuenos Aires Ministro Pistarini
15h 30m
1 stop
ORD10:10 pmChicago O'Hare Intl
Sep 14
ORD5:30 amChicago O'Hare Intl
16h 35m
1 stop
EZE12:05 amBuenos Aires Ministro Pistarini
$666
Arajet
Oct 8
EZE11:00 amBuenos Aires Ministro Pistarini
14h 40m
1 stop
ORD11:40 pmChicago O'Hare Intl
Oct 19
ORD5:30 amChicago O'Hare Intl
16h 35m
1 stop
EZE12:05 amBuenos Aires Ministro Pistarini
$821
Arajet
Sep 3
EZE9:45 amBuenos Aires Ministro Pistarini
15h 55m
1 stop
ORD11:40 pmChicago O'Hare Intl
Oct 5
ORD5:30 amChicago O'Hare Intl
16h 35m
1 stop
EZE12:05 amBuenos Aires Ministro Pistarini
$837

Avianca flights from Buenos Aires to Chicago

Our best Avianca deals on Buenos Aires to Chicago flight tickets
Avianca
Aug 7
AEP7:00 amBuenos Aires Jorge Newbery
16h 20m
1 stop
ORD9:20 pmChicago O'Hare Intl
Aug 15
ORD11:20 pmChicago O'Hare Intl
28h 20m
1 stop
AEP5:40 amBuenos Aires Jorge Newbery
$1,135
Avianca
Aug 7
AEP7:00 amBuenos Aires Jorge Newbery
16h 20m
1 stop
ORD9:20 pmChicago O'Hare Intl
Aug 18
ORD11:20 pmChicago O'Hare Intl
28h 20m
1 stop
AEP5:40 amBuenos Aires Jorge Newbery
$1,152
Avianca
Sep 10
AEP7:00 amBuenos Aires Jorge Newbery
16h 20m
1 stop
ORD9:20 pmChicago O'Hare Intl
Sep 20
ORD11:20 pmChicago O'Hare Intl
28h 20m
1 stop
AEP5:40 amBuenos Aires Jorge Newbery
$1,174

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 June 20, 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 9/6

8:40 am-10:10 pm

1 stop15h 30m

Chicago O'Hare Intl

Mon 9/14

5:30 am-12:05 am

1 stop16h 35m

$666

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Sun 9/6

7:00 am-9:20 pm

2 stops40h 20m

Chicago O'Hare Intl

Mon 9/14

5:30 am-12:05 am

1 stop16h 35m

$716

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Sun 9/6

2:47 pm-9:20 pm

3 stops32h 33m

Chicago O'Hare Intl

Mon 9/14

5:30 am-12:05 am

1 stop16h 35m

$818
Quickest round-trip

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Thu 10/8

11:00 am-11:40 pm

1 stop14h 40m

Chicago O'Hare Intl

Mon 10/19

5:30 am-12:05 am

1 stop16h 35m

$821

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Thu 9/3

9:45 am-11:40 pm

1 stop15h 55m

Chicago O'Hare Intl

Mon 10/5

5:30 am-12:05 am

1 stop16h 35m

$837

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Sun 10/4

8:40 am-10:10 pm

1 stop15h 30m

Chicago O'Hare Intl

Mon 10/5

5:30 am-12:05 am

1 stop16h 35m

$848

Buenos AiresChicago

EZE - MDW

EZEMDW

Buenos Aires Ministro Pistarini

Tue 6/30

8:10 pm-10:17 pm

1 stop28h 07m

Chicago Midway

Tue 7/14

1:18 pm-9:45 am

2 stops18h 27m

$983

Buenos AiresChicago

EZE - MDW

EZEMDW

Buenos Aires Ministro Pistarini

Fri 7/10

8:10 pm-3:37 pm

1 stop21h 27m

Chicago Midway

Mon 7/20

5:10 pm-9:45 am

1 stop14h 35m

$984

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Mon 8/3

3:45 pm-5:06 pm

2 stops27h 21m

Chicago O'Hare Intl

Mon 8/10

6:25 pm-5:00 pm

2 stops20h 35m

$984

Buenos AiresChicago

EZE - MDW

EZEMDW

Buenos Aires Ministro Pistarini

Mon 7/27

8:10 pm-11:56 am

1 stop17h 46m

Chicago Midway

Mon 9/7

10:54 am-9:40 am

2 stops20h 46m

$988

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 13% 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 June 2026, prices for Buenos Aires to Chicago flights are approximately 28% cheaper 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

15h 20m

Direct flights

None
The fastest flight from Buenos Aires to Chicago takes 15h 20m
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 15h 20m 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
Copa AirlinesPriceFrom $484Free CancellationRating
7.6
1,569 reviews
Search Copa Airlines flights
AviancaPriceFrom $578Free CancellationRating
6.5
2,534 reviews
Search Avianca flights
United AirlinesPriceFrom $777Free CancellationRating
7.4
9,866 reviews
Search United Airlines flights
American AirlinesPriceFrom $820Free CancellationRating
7.1
11,721 reviews
Search American Airlines flights
DeltaPriceFrom $884Free CancellationRating
7.8
8,422 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
Benton Harbor
Portage
Saint Joseph
Lansing
Valparaiso
Schererville
Munster
Crown Point
Chesterton
Monticello
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.

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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