What airlines fly to Buenos Aires?

United Airlines, American Airlines and Copa Airlines are the top three most popular airlines that fly to Buenos Aires from Chicago according to our data. United Airlines is the first choice among our users, with 32% 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 airport is the most popular layover for flights between Chicago and Buenos Aires?

Bogotá (BOG) was the most common stop: 27% of momondo users choosing 1-stop flights on this route connected there.

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

Flights via Panama City (PTY) offer the lowest average round-trip price of $710.

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

Panama City (PTY) has the shortest average layover time for this route: 1h 39m.

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

LATAM Airlines, Delta, and Arajet are the most popular carriers operating from Chicago to Buenos Aires

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 April 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.

$317 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 $1,210 to $870. The lowest price recently found on this route was $876.

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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.

10:40 am - 9:40 am

ORD

EZE

21h 00m

2 stops

7:35 am - 11:57 pm

EZE

ORD

18h 22m

2 stops

$876LATAM Airlines

Wed, Sep 9 - Mon, Sep 21

6:55 am - 3:00 am

ORD

EZE

42h 05m

3 stops

12:15 pm - 5:49 pm

EZE

ORD

31h 34m

2 stops

$877Multiple Airlines

Mon, May 18 - Thu, Jun 4

5:30 am - 12:05 am

ORD

EZE

16h 35m

1 stop

7:30 pm - 9:20 pm

EZE

ORD

27h 50m

2 stops

$879Multiple Airlines

Mon, Sep 28 - Wed, Oct 14

6:55 am - 3:00 am

ORD

EZE

42h 05m

3 stops

5:00 am - 7:51 pm

EZE

ORD

40h 51m

3 stops

$880Multiple Airlines

Mon, May 18 - Thu, Jun 4

4:30 am - 8:15 pm

ORD

EZE

13h 45m

1 stop

9:02 am - 11:56 pm

EZE

ORD

16h 54m

2 stops

$881Multiple Airlines

Mon, May 11 - Mon, May 18

6:06 pm - 11:30 am

ORD

EZE

15h 24m

2 stops

1:10 pm - 10:16 am

EZE

ORD

23h 06m

2 stops

$882LATAM Airlines

Mon, May 11 - Sun, May 24

12:12 pm - 4:10 am

ORD

EZE

13h 58m

1 stop

12:15 pm - 5:06 pm

EZE

ORD

30h 51m

2 stops

$884Multiple Airlines

Sat, Jul 18 - Thu, Jul 30

12:12 pm - 4:10 am

ORD

EZE

13h 58m

1 stop

9:15 pm - 11:40 pm

EZE

ORD

28h 25m

1 stop

$890Arajet

Sat, Jul 18 - Wed, Jul 29

5:10 pm - 9:45 am

MDW

EZE

14h 35m

1 stop

8:10 pm - 10:00 am

EZE

MDW

15h 50m

1 stop

$897Delta

Wed, May 13 - Tue, May 19

1:05 pm - 9:20 am

MDW

EZE

18h 15m

2 stops

8:10 pm - 9:50 am

EZE

MDW

15h 40m

1 stop

$899Delta

Mon, Sep 7 - Thu, Sep 17

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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

Sep 9

ORD10:40 amChicago O'Hare Intl

21h 00m

2 stops

EZE9:40 amBuenos Aires Ministro Pistarini

Sep 21

EZE7:35 amBuenos Aires Ministro Pistarini

18h 22m

2 stops

ORD11:57 pmChicago O'Hare Intl

$876

LATAM Airlines

May 11

ORD6:06 pmChicago O'Hare Intl

15h 24m

2 stops

EZE11:30 amBuenos Aires Ministro Pistarini

May 24

EZE1:10 pmBuenos Aires Ministro Pistarini

23h 06m

2 stops

ORD10:16 amChicago O'Hare Intl

$882

LATAM Airlines

Oct 1

ORD1:15 pmChicago O'Hare Intl

18h 25m

2 stops

EZE9:40 amBuenos Aires Ministro Pistarini

Oct 15

EZE7:35 amBuenos Aires Ministro Pistarini

18h 15m

2 stops

ORD11:50 pmChicago O'Hare Intl

$894

Delta flights from Chicago to Buenos Aires

Our best Delta deals on Chicago to Buenos Aires flight tickets

Delta

May 13

MDW5:10 pmChicago Midway

14h 35m

1 stop

EZE9:45 amBuenos Aires Ministro Pistarini

May 19

EZE8:10 pmBuenos Aires Ministro Pistarini

15h 50m

1 stop

MDW10:00 amChicago Midway

$897

Delta

May 10

ORD5:30 amChicago O'Hare Intl

26h 15m

1 stop

EZE9:45 amBuenos Aires Ministro Pistarini

May 23

EZE8:10 pmBuenos Aires Ministro Pistarini

26h 16m

1 stop

ORD8:26 pmChicago O'Hare Intl

$898

Delta

Sep 7

MDW1:05 pmChicago Midway

18h 15m

2 stops

EZE9:20 amBuenos Aires Ministro Pistarini

Sep 17

EZE8:10 pmBuenos Aires Ministro Pistarini

15h 40m

1 stop

MDW9:50 amChicago Midway

$899

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Wed 9/9

10:40 am-9:40 am

2 stops21h 00m

Buenos Aires Ministro Pistarini

Mon 9/21

7:35 am-11:57 pm

2 stops18h 22m

$876

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 5/18

6:55 am-3:00 am

3 stops42h 05m

Buenos Aires Ministro Pistarini

Thu 6/4

12:15 pm-5:49 pm

2 stops31h 34m

$877

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 9/28

5:30 am-12:05 am

1 stop16h 35m

Buenos Aires Ministro Pistarini

Wed 10/14

7:30 pm-9:20 pm

2 stops27h 50m

$879

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 5/18

6:55 am-3:00 am

3 stops42h 05m

Buenos Aires Ministro Pistarini

Thu 6/4

5:00 am-7:51 pm

3 stops40h 51m

$880

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 5/11

4:30 am-8:15 pm

1 stop13h 45m

Buenos Aires Ministro Pistarini

Mon 5/18

9:02 am-11:56 pm

2 stops16h 54m

$881

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 5/11

6:06 pm-11:30 am

2 stops15h 24m

Buenos Aires Ministro Pistarini

Sun 5/24

1:10 pm-10:16 am

2 stops23h 06m

$882

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Sat 7/18

12:12 pm-4:10 am

1 stop13h 58m

Buenos Aires Ministro Pistarini

Thu 7/30

12:15 pm-5:06 pm

2 stops30h 51m

$884

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Sat 7/18

12:12 pm-4:10 am

1 stop13h 58m

Buenos Aires Ministro Pistarini

Wed 7/29

9:15 pm-11:40 pm

1 stop28h 25m

$890

Quickest round-trip

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Wed 5/13

5:10 pm-9:45 am

1 stop14h 35m

Buenos Aires Ministro Pistarini

Tue 5/19

8:10 pm-10:00 am

1 stop15h 50m

$897

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Mon 9/7

1:05 pm-9:20 am

2 stops18h 15m

Buenos Aires Ministro Pistarini

Thu 9/17

8:10 pm-9:50 am

1 stop15h 40m

$899

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 June instead. Flights to Buenos Aires in June, while not as cheap as those in March, still average around $306.

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 $1,124 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 $760 on momondo.

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

You could potentially save up to 35% 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 April 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 (20% of total bookings). The next most popular airlines are Avianca (16%), Copa Airlines (14%), and United Airlines (14%).

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 47 reviews	Search Arajet flights
Copa Airlines	PriceFrom $569	Free Cancellation	Rating 7.5 1,580 reviews	Search Copa Airlines flights
Avianca	PriceFrom $674	Free Cancellation	Rating 6.5 2,514 reviews	Search Avianca flights
LATAM Airlines	PriceFrom $727	Free Cancellation	Rating 7.4 1,913 reviews	Search LATAM Airlines flights
Delta	PriceFrom $951	Free Cancellation	Rating 7.9 8,467 reviews	Search Delta flights
United Airlines	PriceFrom $951	Free Cancellation	Rating 7.4 9,672 reviews	Search United Airlines flights
American Airlines	PriceFrom $1,004	Free Cancellation	Rating 7.1 11,675 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

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Cheap flights from Chicago to Buenos Aires from $317

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 6/17. 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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