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 27m.

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

Arajet, Delta, and LATAM Airlines 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.

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 31% 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 offers the lowest fares from Chicago to Buenos Aires?

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

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

Bogotá (BOG) was the most common stop: 29% of momondo users choosing 1-stop flights on this route connected there.

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 March 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.

$283 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 $920 to $1,237. The lowest price recently found on this route was $890.

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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.

8:06 am - 4:00 am

ORD

EZE

17h 54m

2 stops

8:40 am - 10:10 pm

EZE

ORD

15h 30m

1 stop

$890Multiple Airlines

Wed, Apr 22 - Sun, Apr 26

10:55 am - 8:30 am

ORD

AEP

19h 35m

2 stops

4:30 pm - 1:05 pm

AEP

ORD

22h 35m

3 stops

$890Multiple Airlines

Mon, Apr 13 - Sun, Apr 26

11:20 pm - 3:40 pm

ORD

EZE

14h 20m

1 stop

7:10 am - 9:20 pm

EZE

ORD

16h 10m

1 stop

$892Avianca

Sat, Apr 11 - Sat, Apr 18

6:00 am - 1:20 am

ORD

EZE

17h 20m

2 stops

11:00 am - 11:40 pm

EZE

ORD

14h 40m

1 stop

$893Multiple Airlines

Wed, May 27 - Thu, Aug 13

8:06 am - 2:30 am

ORD

EZE

16h 24m

1 stop

2:57 pm - 1:50 pm

EZE

ORD

24h 53m

1 stop

$895Copa Airlines

Thu, Apr 9 - Mon, Apr 13

6:05 am - 3:45 am

ORD

EZE

19h 40m

2 stops

4:45 am - 11:12 am

EZE

ORD

32h 27m

1 stop

$897Multiple Airlines

Thu, Apr 9 - Fri, Apr 24

5:10 pm - 5:00 pm

MDW

AEP

21h 50m

2 stops

5:35 pm - 11:56 am

AEP

MDW

20h 21m

2 stops

$909LATAM Airlines

Mon, May 11 - Mon, May 25

5:21 pm - 11:30 am

MDW

EZE

16h 09m

2 stops

8:10 pm - 9:56 am

EZE

MDW

15h 46m

1 stop

$920LATAM Airlines

Fri, Apr 17 - Wed, Apr 22

1:22 pm - 9:45 am

MDW

EZE

18h 23m

2 stops

8:10 pm - 11:56 am

EZE

MDW

17h 46m

1 stop

$948Delta

Thu, May 7 - Wed, May 20

5:10 pm - 9:45 am

MDW

EZE

14h 35m

1 stop

8:10 pm - 10:00 am

EZE

MDW

15h 50m

1 stop

$957Delta

Tue, May 19 - Wed, May 27

Avianca flights from Chicago to Buenos Aires

Our best Avianca deals on Chicago to Buenos Aires flight tickets

Avianca

Apr 11

ORD11:20 pmChicago O'Hare Intl

14h 20m

1 stop

EZE3:40 pmBuenos Aires Ministro Pistarini

Apr 18

EZE7:10 amBuenos Aires Ministro Pistarini

16h 10m

1 stop

ORD9:20 pmChicago O'Hare Intl

$892

Avianca

Apr 26

ORD11:20 pmChicago O'Hare Intl

14h 20m

1 stop

EZE3:40 pmBuenos Aires Ministro Pistarini

May 3

EZE7:10 amBuenos Aires Ministro Pistarini

16h 10m

1 stop

ORD9:20 pmChicago O'Hare Intl

$904

Avianca

Apr 17

ORD11:20 pmChicago O'Hare Intl

14h 20m

1 stop

EZE3:40 pmBuenos Aires Ministro Pistarini

Apr 25

EZE7:10 amBuenos Aires Ministro Pistarini

16h 10m

1 stop

ORD9:20 pmChicago O'Hare Intl

$912

Arajet flights from Chicago to Buenos Aires

Our best Arajet deals on Chicago to Buenos Aires flight tickets

Arajet

Apr 6

ORD4:30 amChicago O'Hare Intl

13h 45m

1 stop

EZE8:15 pmBuenos Aires Ministro Pistarini

Apr 15

EZE9:15 pmBuenos Aires Ministro Pistarini

28h 25m

1 stop

ORD11:40 pmChicago O'Hare Intl

$920

Arajet

Apr 17

ORD6:45 amChicago O'Hare Intl

24h 31m

1 stop

EZE9:16 amBuenos Aires Ministro Pistarini

May 1

EZE4:45 amBuenos Aires Ministro Pistarini

32h 27m

1 stop

ORD11:12 amChicago O'Hare Intl

$932

Arajet

Mar 16

ORD6:45 amChicago O'Hare Intl

15h 20m

1 stop

EZE12:05 amBuenos Aires Ministro Pistarini

Mar 17

EZE11:20 amBuenos Aires Ministro Pistarini

14h 20m

1 stop

ORD11:40 pmChicago O'Hare Intl

$935

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Wed 4/22

8:06 am-4:00 am

2 stops17h 54m

Buenos Aires Ministro Pistarini

Sun 4/26

8:40 am-10:10 pm

1 stop15h 30m

$890

ChicagoBuenos Aires

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Mon 4/13

10:55 am-8:30 am

2 stops19h 35m

Buenos Aires Jorge Newbery

Sun 4/26

4:30 pm-1:05 pm

3 stops22h 35m

$890

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Sat 4/11

11:20 pm-3:40 pm

1 stop14h 20m

Buenos Aires Ministro Pistarini

Sat 4/18

7:10 am-9:20 pm

1 stop16h 10m

$892

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Wed 5/27

6:00 am-1:20 am

2 stops17h 20m

Buenos Aires Ministro Pistarini

Thu 8/13

11:00 am-11:40 pm

1 stop14h 40m

$893

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Thu 4/9

8:06 am-2:30 am

1 stop16h 24m

Buenos Aires Ministro Pistarini

Mon 4/13

2:57 pm-1:50 pm

1 stop24h 53m

$895

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Thu 4/9

6:05 am-3:45 am

2 stops19h 40m

Buenos Aires Ministro Pistarini

Fri 4/24

4:45 am-11:12 am

1 stop32h 27m

$897

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Mon 5/11

5:10 pm-5:00 pm

2 stops21h 50m

Buenos Aires Jorge Newbery

Mon 5/25

5:35 pm-11:56 am

2 stops20h 21m

$909

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Fri 4/17

5:21 pm-11:30 am

2 stops16h 09m

Buenos Aires Ministro Pistarini

Wed 4/22

8:10 pm-9:56 am

1 stop15h 46m

$920

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Thu 5/7

1:22 pm-9:45 am

2 stops18h 23m

Buenos Aires Ministro Pistarini

Wed 5/20

8:10 pm-11:56 am

1 stop17h 46m

$948

Quickest round-trip

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Tue 5/19

5:10 pm-9:45 am

1 stop14h 35m

Buenos Aires Ministro Pistarini

Wed 5/27

8:10 pm-10:00 am

1 stop15h 50m

$957

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 April. Flight prices, which tend to average around $956, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of April, then book flights to Buenos Aires from Chicago during October instead. Flights to Buenos Aires in October, while not as cheap as those in April, still average around $960.

How far in advance should I book a flight 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 $1,123 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 32% 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	12h 53m
Direct flights	None

The fastest flight from Chicago to Buenos Aires takes 12h 53m

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

Search flight deals

How far is Chicago to Buenos Aires by plane?
A flight from Chicago to Buenos Aires will travel around 5596.4 mi. 12h 53m 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 March 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 (19% of total bookings). The next most popular airlines are Avianca (18%), Delta (17%), and United Airlines (13%).

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 6.4 46 reviews	Search Arajet flights
Copa Airlines	PriceFrom $569	Free Cancellation	Rating 7.5 1,569 reviews	Search Copa Airlines flights
LATAM Airlines	PriceFrom $727	Free Cancellation	Rating 7.4 1,918 reviews	Search LATAM Airlines flights
Avianca	PriceFrom $750	Free Cancellation	Rating 6.5 2,500 reviews	Search Avianca flights
Delta	PriceFrom $951	Free Cancellation	Rating 7.9 8,292 reviews	Search Delta flights
United Airlines	PriceFrom $951	Free Cancellation	Rating 7.4 9,426 reviews	Search United Airlines flights
American Airlines	PriceFrom $1,015	Free Cancellation	Rating 7.1 11,469 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.

An easier way to manage your Buenos Aires trip

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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 $283

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 4/9. 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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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 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

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.

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

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