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Cheap flights from Buenos Aires to Chicago from $421

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 12/9. 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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Find the cheapest flights from Buenos Aires to Chicago

Cheap round-trip flights

Logo
8:10 pm - 11:45 pmAEP-ORD
29h 35m3 stops
Logo
5:05 am - 2:40 pmORD-AEP
31h 35m3 stops
$849
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Tue, Oct 7 - Tue, Oct 21
Logo
6:50 am - 9:18 amEZE-ORD
28h 28m2 stops
Logo
10:27 am - 3:20 pmORD-EZE
26h 53m2 stops
$868
Find Deal
Fri, Sep 12 - Fri, Sep 19
American Airlines Logo
8:40 pm - 9:22 pmEZE-ORD
26h 42m1 stop
American Airlines Logo
10:11 am - 10:15 amORD-EZE
22h 04m1 stop
$914American Airlines
Find Deal
Wed, Sep 3 - Wed, Oct 8
American Airlines Logo
8:40 pm - 4:54 pmEZE-ORD
22h 14m1 stop
American Airlines Logo
1:43 pm - 10:15 amORD-EZE
18h 32m1 stop
$916American Airlines
Find Deal
Wed, Sep 3 - Wed, Oct 8
Avianca Logo
1:40 am - 1:15 pmEZE-ORD
13h 35m1 stop
Avianca Logo
2:35 pm - 4:25 amORD-EZE
35h 50m2 stops
$938Avianca
Find Deal
Mon, Sep 1 - Wed, Sep 17
Avianca Logo
6:40 am - 1:15 pmEZE-ORD
32h 35m2 stops
Avianca Logo
2:35 pm - 12:10 amORD-EZE
31h 35m1 stop
$958Avianca
Find Deal
Tue, Sep 16 - Wed, Oct 22
Delta Logo
8:10 pm - 9:51 amEZE-MDW
15h 41m1 stop
Delta Logo
6:30 pm - 5:55 amMDW-EZE
33h 25m2 stops
$959Delta
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Sun, Sep 7 - Mon, Sep 22
Delta Logo
8:10 pm - 12:28 pmEZE-MDW
18h 18m2 stops
Delta Logo
10:35 am - 9:45 amMDW-EZE
21h 10m1 stop
$965Delta
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Tue, Sep 16 - Wed, Oct 22
LATAM Airlines Logo
3:55 am - 9:36 amEZE-MDW
31h 41m2 stops
LATAM Airlines Logo
10:35 am - 6:10 amMDW-EZE
17h 35m2 stops
$967LATAM Airlines
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Tue, Sep 2 - Wed, Oct 8
LATAM Airlines Logo
3:55 am - 8:37 amEZE-ORD
30h 42m2 stops
LATAM Airlines Logo
9:42 am - 6:10 amORD-EZE
18h 28m2 stops
$967LATAM Airlines
Find Deal
Tue, Sep 2 - Wed, Oct 8

LATAM Airlines flights from Buenos Aires to Chicago

Our best LATAM Airlines deals on Buenos Aires to Chicago flight tickets
LATAM Airlines
Sep 2
EZE3:55 amBuenos Aires Ministro Pistarini
30h 42m
2 stops
ORD8:37 amChicago O'Hare Intl
Oct 8
ORD9:42 amChicago O'Hare Intl
18h 28m
2 stops
EZE6:10 amBuenos Aires Ministro Pistarini
$967
Find similar
LATAM Airlines
Oct 1
EZE3:55 amBuenos Aires Ministro Pistarini
21h 59m
2 stops
ORD11:54 pmChicago O'Hare Intl
Dec 2
ORD9:30 amChicago O'Hare Intl
17h 50m
2 stops
EZE6:20 amBuenos Aires Ministro Pistarini
$968
Find similar
LATAM Airlines
Sep 15
EZE3:55 amBuenos Aires Ministro Pistarini
31h 45m
2 stops
MDW9:40 amChicago Midway
Oct 22
MDW6:00 amChicago Midway
21h 55m
2 stops
EZE5:55 amBuenos Aires Ministro Pistarini
$973
Find similar

Avianca flights from Buenos Aires to Chicago

Our best Avianca deals on Buenos Aires to Chicago flight tickets
Avianca
Aug 3
EZE1:40 amBuenos Aires Ministro Pistarini
13h 35m
1 stop
ORD1:15 pmChicago O'Hare Intl
Aug 11
ORD2:35 pmChicago O'Hare Intl
35h 50m
2 stops
EZE4:25 amBuenos Aires Ministro Pistarini
$938
Find similar
Avianca
Sep 16
EZE6:40 amBuenos Aires Ministro Pistarini
32h 35m
2 stops
ORD1:15 pmChicago O'Hare Intl
Oct 22
ORD2:35 pmChicago O'Hare Intl
31h 35m
1 stop
EZE12:10 amBuenos Aires Ministro Pistarini
$958
Find similar
Avianca
Aug 4
EZE6:50 amBuenos Aires Ministro Pistarini
32h 25m
1 stop
ORD1:15 pmChicago O'Hare Intl
Aug 11
ORD2:35 pmChicago O'Hare Intl
35h 50m
2 stops
EZE4:25 amBuenos Aires Ministro Pistarini
$960
Find similar

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 July 31, 2025.
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

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Tue 10/7

8:10 pm-11:45 pm

3 stops29h 35m

Chicago O'Hare Intl

Tue 10/21

5:05 am-2:40 pm

3 stops31h 35m

$849

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Fri 9/12

6:50 am-9:18 am

2 stops28h 28m

Chicago O'Hare Intl

Fri 9/19

10:27 am-3:20 pm

2 stops26h 53m

$868

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Wed 9/3

8:40 pm-9:22 pm

1 stop26h 42m

Chicago O'Hare Intl

Wed 10/8

10:11 am-10:15 am

1 stop22h 04m

$914

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Wed 9/3

8:40 pm-4:54 pm

1 stop22h 14m

Chicago O'Hare Intl

Wed 10/8

1:43 pm-10:15 am

1 stop18h 32m

$916

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Mon 9/1

1:40 am-1:15 pm

1 stop13h 35m

Chicago O'Hare Intl

Wed 9/17

2:35 pm-4:25 am

2 stops35h 50m

$938

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Tue 9/16

6:40 am-1:15 pm

2 stops32h 35m

Chicago O'Hare Intl

Wed 10/22

2:35 pm-12:10 am

1 stop31h 35m

$958

Buenos AiresChicago

EZE - MDW

EZEMDW

Buenos Aires Ministro Pistarini

Sun 9/7

8:10 pm-9:51 am

1 stop15h 41m

Chicago Midway

Mon 9/22

6:30 pm-5:55 am

2 stops33h 25m

$959

Buenos AiresChicago

EZE - MDW

EZEMDW

Buenos Aires Ministro Pistarini

Tue 9/16

8:10 pm-12:28 pm

2 stops18h 18m

Chicago Midway

Wed 10/22

10:35 am-9:45 am

1 stop21h 10m

$965

Buenos AiresChicago

EZE - MDW

EZEMDW

Buenos Aires Ministro Pistarini

Tue 9/2

3:55 am-9:36 am

2 stops31h 41m

Chicago Midway

Wed 10/8

10:35 am-6:10 am

2 stops17h 35m

$967

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Tue 9/2

3:55 am-8:37 am

2 stops30h 42m

Chicago O'Hare Intl

Wed 10/8

9:42 am-6:10 am

2 stops18h 28m

$967

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 cheapest month to fly to Chicago?

The month of October is, on average, the cheapest month to fly to Chicago from Buenos Aires, with most prices found around $1,124. If you’re not able to fly to Chicago in October, then June is your next best option. Flight prices from Buenos Aires to Chicago during June average around $1,152.

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Monday when prices can be found for as low as $1,098. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Buenos Aires to Chicago for around $1,318.

What is the cheapest time of day to depart on your flight to Chicago?

Our most recent data shows that the best time of day to fly to Chicago is in the morning. Flights from Buenos Aires to Chicago during this time can be as low as $1,152. In contrast, the most expensive time of day to depart to Chicago is in the afternoon when prices are around $1,367.

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

You could potentially save up to 4% 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 July 2025, prices for Buenos Aires to Chicago flights are approximately 18% 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

Best Price Found

$421

Fastest flight time

13h 30m

Direct flights

None

Airports in Chicago

2 airports
The best one-way flight to Chicago from Buenos Aires in the past 72 hours is $421. The best round-trip flight deal from Buenos Aires to Chicago found on momondo in the last 72 hours is $849.
The fastest flight from Buenos Aires to Chicago takes 13h 30m
There are no direct flights from Buenos Aires to Chicago. Popular non-direct routes for this connection are Buenos Aires Ministro Pistarini Airport - Chicago Midway Airport, Buenos Aires Ministro Pistarini Airport - Chicago O'Hare Intl Airport and Buenos Aires Jorge Newbery Airport - Chicago O'Hare Intl Airport.
There are 2 airports near Chicago: Chicago O'Hare Intl (ORD), Chicago Midway (MDW)
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  • 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 13h 30m 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 $882Free CancellationRating
6.7
2,388 reviews
Search Avianca flights
American AirlinesPriceFrom $928Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Copa AirlinesPriceFrom $962Free CancellationRating
7.5
1,493 reviews
Search Copa Airlines flights
DeltaPriceFrom $969Free CancellationRating
8.0
7,981 reviews
Search Delta flights
United AirlinesPriceFrom $1,084Free CancellationRating
7.4
8,900 reviews
Search United Airlines 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
Saint Joseph
Portage
Lansing
Schererville
Valparaiso
Crown Point
Munster
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