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Cheap flights from Buenos Aires to Chicago from $425

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 11/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Multiple Airlines Logo
4:55 pm - 12:30 pmEZE-ORD
22h 35m2 stops
Multiple Airlines Logo
4:30 am - 12:05 amORD-EZE
17h 35m1 stop
$733Multiple Airlines
Find Deal
ter, fev 3 - seg, abr 6
Multiple Airlines Logo
7:30 am - 12:09 amEZE-ORD
43h 39m3 stops
Multiple Airlines Logo
5:45 am - 12:05 amORD-EZE
15h 20m1 stop
$737Multiple Airlines
Find Deal
seg, dez 15 - seg, dez 29
Arajet Logo
5:00 am - 8:57 amEZE-ORD
30h 57m1 stop
Arajet Logo
6:45 am - 12:05 amORD-EZE
15h 20m1 stop
$795Arajet
Find Deal
sex, mar 6 - qua, mar 18
Air Canada Logo
4:45 pm - 8:00 pmEZE-ORD
29h 15m2 stops
Air Canada Logo
12:50 pm - 2:30 pmORD-EZE
23h 40m2 stops
$831Air Canada
Find Deal
sex, mar 20 - dom, abr 19
Air Canada Logo
4:45 pm - 6:45 pmEZE-ORD
28h 00m2 stops
Air Canada Logo
7:15 am - 3:10 pmORD-EZE
29h 55m2 stops
$836Air Canada
Find Deal
seg, mar 16 - dom, mar 22
Arajet Logo
8:40 am - 9:10 pmEZE-ORD
15h 30m1 stop
Arajet Logo
4:30 am - 12:05 amORD-EZE
17h 35m1 stop
$842Arajet
Find Deal
dom, fev 1 - seg, abr 6
Delta Logo
8:55 pm - 9:52 amEZE-MDW
15h 57m1 stop
Delta Logo
9:34 am - 9:00 amMDW-EZE
20h 26m2 stops
$944Delta
Find Deal
qua, nov 26 - qua, dez 3
Delta Logo
8:55 pm - 11:52 amEZE-MDW
17h 57m1 stop
Delta Logo
1:15 pm - 9:00 amMDW-EZE
16h 45m2 stops
$998Delta
Find Deal
qui, nov 13 - dom, nov 23
Avianca Logo
7:00 am - 8:20 pmAEP-ORD
16h 20m1 stop
Avianca Logo
8:50 am - 5:40 amORD-AEP
17h 50m2 stops
$1,103Avianca
Find Deal
dom, nov 2 - ter, nov 4
Avianca Logo
7:00 am - 8:20 pmAEP-ORD
16h 20m1 stop
Avianca Logo
10:20 pm - 5:40 amORD-AEP
28h 20m1 stop
$1,129Avianca
Find Deal
seg, dez 15 - seg, dez 29

Air Canada flights from Buenos Aires to Chicago

Our best Air Canada deals on Buenos Aires to Chicago flight tickets
Air Canada
Mar 20
EZE4:45 pmBuenos Aires Ministro Pistarini
29h 15m
2 stops
ORD8:00 pmChicago O'Hare Intl
Apr 19
ORD12:50 pmChicago O'Hare Intl
23h 40m
2 stops
EZE2:30 pmBuenos Aires Ministro Pistarini
$831
Find similar
Air Canada
Mar 16
EZE4:45 pmBuenos Aires Ministro Pistarini
28h 00m
2 stops
ORD6:45 pmChicago O'Hare Intl
Mar 22
ORD7:15 amChicago O'Hare Intl
29h 55m
2 stops
EZE3:10 pmBuenos Aires Ministro Pistarini
$836
Find similar
Air Canada
Apr 22
EZE4:35 pmBuenos Aires Ministro Pistarini
20h 22m
2 stops
ORD10:57 amChicago O'Hare Intl
Apr 27
ORD8:20 pmChicago O'Hare Intl
40h 10m
2 stops
EZE2:30 pmBuenos Aires Ministro Pistarini
$837
Find similar

Avianca flights from Buenos Aires to Chicago

Our best Avianca deals on Buenos Aires to Chicago flight tickets
Avianca
Oct 31
EZE1:40 amBuenos Aires Ministro Pistarini
21h 40m
1 stop
ORD9:20 pmChicago O'Hare Intl
Nov 26
ORD10:20 pmChicago O'Hare Intl
14h 30m
1 stop
EZE3:50 pmBuenos Aires Ministro Pistarini
$920
Find similar
Avianca
Nov 4
EZE1:40 amBuenos Aires Ministro Pistarini
21h 40m
1 stop
ORD8:20 pmChicago O'Hare Intl
Nov 7
ORD8:50 amChicago O'Hare Intl
18h 00m
2 stops
EZE5:50 amBuenos Aires Ministro Pistarini
$1,035
Find similar
Avianca
Nov 2
AEP7:00 amBuenos Aires Jorge Newbery
16h 20m
1 stop
ORD8:20 pmChicago O'Hare Intl
Nov 4
ORD8:50 amChicago O'Hare Intl
17h 50m
2 stops
AEP5:40 amBuenos Aires Jorge Newbery
$1,103
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 outubro 30, 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

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

ter 2/3

4:55 pm-12:30 pm

2 stops22h 35m

Chicago O'Hare Intl

seg 4/6

4:30 am-12:05 am

1 stop17h 35m

$733

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

seg 12/15

7:30 am-12:09 am

3 stops43h 39m

Chicago O'Hare Intl

seg 12/29

5:45 am-12:05 am

1 stop15h 20m

$737

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

sex 3/6

5:00 am-8:57 am

1 stop30h 57m

Chicago O'Hare Intl

qua 3/18

6:45 am-12:05 am

1 stop15h 20m

$795

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

sex 3/20

4:45 pm-8:00 pm

2 stops29h 15m

Chicago O'Hare Intl

dom 4/19

12:50 pm-2:30 pm

2 stops23h 40m

$831

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

seg 3/16

4:45 pm-6:45 pm

2 stops28h 00m

Chicago O'Hare Intl

dom 3/22

7:15 am-3:10 pm

2 stops29h 55m

$836

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

dom 2/1

8:40 am-9:10 pm

1 stop15h 30m

Chicago O'Hare Intl

seg 4/6

4:30 am-12:05 am

1 stop17h 35m

$842

Buenos AiresChicago

EZE - MDW

EZEMDW

Buenos Aires Ministro Pistarini

qua 11/26

8:55 pm-9:52 am

1 stop15h 57m

Chicago Midway

qua 12/3

9:34 am-9:00 am

2 stops20h 26m

$944

Buenos AiresChicago

EZE - MDW

EZEMDW

Buenos Aires Ministro Pistarini

qui 11/13

8:55 pm-11:52 am

1 stop17h 57m

Chicago Midway

dom 11/23

1:15 pm-9:00 am

2 stops16h 45m

$998

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

dom 11/2

7:00 am-8:20 pm

1 stop16h 20m

Chicago O'Hare Intl

ter 11/4

8:50 am-5:40 am

2 stops17h 50m

$1,103

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

seg 12/15

7:00 am-8:20 pm

1 stop16h 20m

Chicago O'Hare Intl

seg 12/29

10:20 pm-5:40 am

1 stop28h 20m

$1,129

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 January is, on average, the cheapest month to fly to Chicago from Buenos Aires, with most prices found around $974. If you’re not able to fly to Chicago in January, then September is your next best option. Flight prices from Buenos Aires to Chicago during September average around $1,050.

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.

How far in advance should I book a flight to Chicago?

You are more likely to see cheaper flights to Chicago from Buenos Aires when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around $1,244 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from Buenos Aires for as low as $800 on momondo.

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

You could potentially save up to 29% 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 October 2025, prices for Buenos Aires to Chicago flights are approximately 22% 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

Direct flights

None
There are no direct flights from Buenos Aires to Chicago. There are no popular flight routes from Buenos Aires to Chicago.
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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 14h 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
AviancaPriceFrom $578Free CancellationRating
6.6
2,467 reviews
Search Avianca flights
American AirlinesPriceFrom $694Free CancellationRating
7.2
11,030 reviews
Search American Airlines flights
Copa AirlinesPriceFrom $750Free CancellationRating
7.6
1,563 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $777Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
DeltaPriceFrom $884Free CancellationRating
7.9
7,993 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
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