Which layover airport has the shortest connection time from Chicago to Buenos Aires?

Bogotá (BOG) has the shortest average layover time for this route: 1h 03m.

Which airport is the most popular layover for flights between Chicago and Buenos Aires?

Bogotá (BOG) was the most common stop: 23% of momondo users choosing 1-stop flights on this route connected there.

What is the cheapest airline that flies from Chicago to Buenos Aires?

Arajet and Copa Airlines are the most popular carriers operating from Chicago to Buenos Aires

Which layover airport offers the lowest fares from Chicago to Buenos Aires?

Flights via Punta Cana (PUJ) offer the lowest average round-trip price of $730.

What airlines fly to Buenos Aires?

American Airlines, United Airlines and Copa Airlines are the top three most popular airlines that fly to Buenos Aires from Chicago according to our data. American Airlines is the first choice among our users, with 34% of people opting to fly with this airline when traveling to Buenos Aires. Keep in mind that there are 7 different airlines that fly to Buenos Aires on a routine basis, so you have a few additional options to choose from.

Which layover airport has the shortest travel time from Chicago to Buenos Aires?

Flights connecting via Bogotá (BOG) have the shortest average one-way travel time: 13h 10m.

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

Prices for flights from Chicago to Buenos Aires are updated daily.

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

The number of operators available for flights from Chicago to Buenos Aires is 7 as of June 2026.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Buenos Aires.

What documentation or ID do you need to fly to Buenos Aires?

The travel and health documents you'll need for your trip to Buenos Aires 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 Buenos Aires. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$249 Cheap Flights from Chicago to Buenos Aires in 2026

Q: What is the typical price of a round-trip flight between Chicago and Buenos Aires?

Prices are currently low for flights on this route. Typical prices usually range from $1,163 to $867. The lowest price recently found on this route was $793.

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Buenos Aires

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:45 am - 6:45 am

ORD

EZE

22h 00m

1 stop

8:40 am - 9:20 pm

EZE

ORD

15h 40m

1 stop

$793Arajet

Fri, Oct 23 - Sun, Nov 1

6:45 am - 6:45 am

ORD

EZE

22h 00m

1 stop

4:45 am - 9:57 am

EZE

ORD

31h 12m

1 stop

$798Arajet

Fri, Oct 23 - Fri, Oct 30

5:30 am - 12:05 am

ORD

EZE

16h 35m

1 stop

7:10 am - 10:40 pm

EZE

ORD

18h 30m

1 stop

$800Arajet

Mon, Oct 19 - Thu, Nov 5

5:25 pm - 6:30 pm

MDW

AEP

22h 05m

2 stops

2:55 pm - 9:52 am

AEP

MDW

21h 57m

2 stops

$825LATAM Airlines

Mon, Nov 2 - Fri, Nov 6

8:15 am - 7:40 am

ORD

AEP

20h 25m

2 stops

2:55 pm - 10:07 am

AEP

ORD

22h 12m

2 stops

$825LATAM Airlines

Mon, Nov 2 - Fri, Nov 6

10:05 am - 1:00 pm

ORD

AEP

24h 55m

2 stops

3:40 am - 11:42 pm

AEP

ORD

22h 02m

2 stops

$944GOL

Sun, Sep 27 - Sun, Oct 4

5:30 am - 5:20 pm

ORD

AEP

33h 50m

2 stops

4:30 pm - 9:20 pm

AEP

ORD

30h 50m

2 stops

$961Multiple Airlines

Mon, Aug 17 - Sun, Aug 23

3:55 pm - 1:20 pm

ORD

AEP

19h 25m

2 stops

1:45 pm - 9:00 am

AEP

ORD

22h 15m

2 stops

$964Multiple Airlines

Sat, Oct 31 - Tue, Nov 10

10:35 am - 6:10 am

MDW

EZE

17h 35m

2 stops

7:45 am - 10:10 pm

EZE

MDW

17h 25m

2 stops

$1,104Delta

Mon, Oct 19 - Mon, Nov 2

10:54 am - 7:40 am

MDW

AEP

18h 46m

2 stops

3:45 pm - 9:59 am

AEP

MDW

20h 14m

2 stops

$1,126Delta

Thu, Aug 13 - Thu, Aug 20

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LATAM Airlines flights from Chicago to Buenos Aires

Our best LATAM Airlines deals on Chicago to Buenos Aires flight tickets

LATAM Airlines

Nov 2

MDW5:25 pmChicago Midway

22h 05m

2 stops

AEP6:30 pmBuenos Aires Jorge Newbery

Nov 6

AEP2:55 pmBuenos Aires Jorge Newbery

21h 57m

2 stops

MDW9:52 amChicago Midway

$825

LATAM Airlines

Aug 12

MDW10:54 amChicago Midway

19h 36m

2 stops

AEP8:30 amBuenos Aires Jorge Newbery

Aug 13

AEP2:55 pmBuenos Aires Jorge Newbery

22h 56m

2 stops

MDW11:51 amChicago Midway

$949

LATAM Airlines

Jun 17

ORD1:00 pmChicago O'Hare Intl

20h 30m

2 stops

EZE11:30 amBuenos Aires Ministro Pistarini

Jun 18

EZE8:10 pmBuenos Aires Ministro Pistarini

14h 28m

1 stop

ORD8:38 amChicago O'Hare Intl

$994

Delta flights from Chicago to Buenos Aires

Our best Delta deals on Chicago to Buenos Aires flight tickets

Delta

Jun 29

ORD3:22 pmChicago O'Hare Intl

16h 18m

2 stops

EZE9:40 amBuenos Aires Ministro Pistarini

Jul 12

EZE8:10 pmBuenos Aires Ministro Pistarini

23h 02m

1 stop

ORD5:12 pmChicago O'Hare Intl

$1,095

Delta

Jun 29

ORD1:46 pmChicago O'Hare Intl

17h 54m

2 stops

EZE9:40 amBuenos Aires Ministro Pistarini

Jul 12

EZE8:10 pmBuenos Aires Ministro Pistarini

14h 25m

1 stop

ORD8:35 amChicago O'Hare Intl

$1,098

Delta

Jun 30

MDW4:25 pmChicago Midway

15h 20m

1 stop

EZE9:45 amBuenos Aires Ministro Pistarini

Jul 11

EZE8:10 pmBuenos Aires Ministro Pistarini

15h 55m

1 stop

MDW10:05 amChicago Midway

$1,104

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Fri 10/23

6:45 am-6:45 am

1 stop22h 00m

Buenos Aires Ministro Pistarini

Sun 11/1

8:40 am-9:20 pm

1 stop15h 40m

$793

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Fri 10/23

6:45 am-6:45 am

1 stop22h 00m

Buenos Aires Ministro Pistarini

Fri 10/30

4:45 am-9:57 am

1 stop31h 12m

$798

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 10/19

5:30 am-12:05 am

1 stop16h 35m

Buenos Aires Ministro Pistarini

Thu 11/5

7:10 am-10:40 pm

1 stop18h 30m

$800

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Mon 11/2

5:25 pm-6:30 pm

2 stops22h 05m

Buenos Aires Jorge Newbery

Fri 11/6

2:55 pm-9:52 am

2 stops21h 57m

$825

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Mon 11/2

8:15 am-7:40 am

2 stops20h 25m

Buenos Aires Jorge Newbery

Fri 11/6

2:55 pm-10:07 am

2 stops22h 12m

$825

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Sun 9/27

10:05 am-1:00 pm

2 stops24h 55m

Buenos Aires Jorge Newbery

Sun 10/4

3:40 am-11:42 pm

2 stops22h 02m

$944

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Mon 8/17

5:30 am-5:20 pm

2 stops33h 50m

Buenos Aires Jorge Newbery

Sun 8/23

4:30 pm-9:20 pm

2 stops30h 50m

$961

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Sat 10/31

3:55 pm-1:20 pm

2 stops19h 25m

Buenos Aires Jorge Newbery

Tue 11/10

1:45 pm-9:00 am

2 stops22h 15m

$964

Quickest round-trip

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Mon 10/19

10:35 am-6:10 am

2 stops17h 35m

Buenos Aires Ministro Pistarini

Mon 11/2

7:45 am-10:10 pm

2 stops17h 25m

$1,104

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Thu 8/13

10:54 am-7:40 am

2 stops18h 46m

Buenos Aires Jorge Newbery

Thu 8/20

3:45 pm-9:59 am

2 stops20h 14m

$1,126

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Chicago to Buenos Aires

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

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between Chicago and Buenos Aires?

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from Chicago is in March. Flight prices, which tend to average around $134, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of March, then book flights to Buenos Aires from Chicago during January instead. Flights to Buenos Aires in January, while not as cheap as those in March, still average around $330.

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

You are more likely to see cheaper flights to Buenos Aires from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around $1,119 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from Chicago for as low as $747 on momondo.

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

You could potentially save up to 61% on your flight if you consider stops on a Chicago to Buenos Aires flight.

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

When to book flights from Chicago to Buenos Aires

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

Estimated round-trip price

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

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

Fastest flight time	13h 45m
Direct flights	None

The fastest flight from Chicago to Buenos Aires takes 13h 45m

There are no direct flights from Chicago to Buenos Aires. There are no popular flight routes from Chicago to Buenos Aires.

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Frequently asked questions about flying from Chicago to Buenos Aires

How far is Chicago to Buenos Aires by plane?
A flight from Chicago to Buenos Aires will travel around 5596.4 mi. 13h 45m is a normal flight duration for this route.
When did momondo last update prices for flights from Chicago to Buenos Aires?
Prices for flights from Chicago to Buenos Aires are updated daily.
How many operators does momondo search for flights from Chicago to Buenos Aires?
The number of operators available for flights from Chicago to Buenos Aires is 7 as of June 2026.
How old do you have to be to fly from Chicago to Buenos Aires?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Chicago to Buenos Aires.
What documentation or ID do you need to fly to Buenos Aires?
The travel and health documents you'll need for your trip to Buenos Aires 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 Buenos Aires. 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 Chicago to Buenos Aires?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Chicago to Buenos Aires is American Airlines (26% of total bookings). The next most popular airlines are Delta (13%), Arajet (13%), and Copa Airlines (12%).

Best airlines flying from Chicago to Buenos Aires

Compare and see reviews for airlines that fly from Chicago to Buenos Aires with momondo

Airline	Rating	Free Cancellation	Price
Arajet	PriceFrom $360	Free Cancellation	Rating 6.5 49 reviews	Search Arajet flights
Copa Airlines	PriceFrom $569	Free Cancellation	Rating 7.6 1,569 reviews	Search Copa Airlines flights
LATAM Airlines	PriceFrom $727	Free Cancellation	Rating 7.4 1,934 reviews	Search LATAM Airlines flights
Avianca	PriceFrom $795	Free Cancellation	Rating 6.5 2,528 reviews	Search Avianca flights
Delta	PriceFrom $901	Free Cancellation	Rating 7.9 8,403 reviews	Search Delta flights
United Airlines	PriceFrom $951	Free Cancellation	Rating 7.4 9,841 reviews	Search United Airlines flights
American Airlines	PriceFrom $972	Free Cancellation	Rating 7.1 11,662 reviews	Search American Airlines flights

Why use momondo?

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

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 Buenos Aires from Chicago.

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

Yes. All flights to Buenos Aires from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Chicago to Buenos Aires?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Buenos Aires.

I’m not ready to book a flight from Chicago to Buenos Aires right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Chicago to Buenos Aires flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Fly into one of these airports located in Buenos Aires

Buenos Aires Jorge Newbery Airport

Buenos Aires Ministro Pistarini Airport

Cheap flights from Chicago to Buenos Aires from $249

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Buenos Aires departing on 8/10. 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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LATAM Airlines flights from Chicago to Buenos Aires

Our best LATAM Airlines deals on Chicago to Buenos Aires flight tickets

Delta flights from Chicago to Buenos Aires

Our best Delta deals on Chicago to Buenos Aires flight tickets

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How to get the cheapest flight ticket from Chicago to Buenos Aires

What is the typical price of a round-trip flight between Chicago and Buenos Aires?

What is the cheapest month to fly to Buenos Aires?

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

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

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

What is the cheapest airline that flies from Chicago to Buenos Aires?

What airlines fly to Buenos Aires?

Which airport is the most popular layover for flights between Chicago and Buenos Aires?

Which layover airport offers the lowest fares from Chicago to Buenos Aires?

Which layover airport has the shortest travel time from Chicago to Buenos Aires?

Which layover airport has the shortest connection time from Chicago to Buenos Aires?

When to book flights from Chicago to Buenos Aires

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

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

Fastest flight time

Direct flights

Frequently asked questions about flying from Chicago to Buenos Aires

Best airlines flying from Chicago to Buenos Aires

Compare and see reviews for airlines that fly from Chicago to Buenos Aires with momondo

Why use momondo?

An easier way to manage your Buenos Aires trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 17.0 mi from Buenos Aires

Fly your favorite airline to Buenos Aires

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Buenos Aires

List of cabin classes available on flights landing in Buenos Aires. Availability may vary depending on flight origin and airline.

Popular cities in Argentina

Popular flights according to clicks in the last 7 days on momondo

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