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

Arajet is the most popular carrier operating from Chicago to Buenos Aires

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

Flights connecting via Houston (IAH) have the shortest average one-way travel time: 13h 23m.

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.

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

Houston (IAH) has the shortest average layover time for this route: 1h 08m.

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 8 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: 26% 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 8 as of September 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.

$282 Cheap Flights from Chicago to Buenos Aires in 2026

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.

4:30 am - 10:05 pmORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

15h 35m1 stop Punta Cana

7:45 am - 11:40 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

17h 55m1 stop Punta Cana

$758Arajet

Mon, Oct 26 - Thu, Oct 29

4:30 am - 10:05 pmORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

15h 35m1 stop Punta Cana

11:05 pm - 5:40 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

45h 35m2 stops Punta Cana Toronto Pearson Intl

$773Multiple Airlines

Mon, Oct 26 - Mon, Nov 2

4:30 am - 9:30 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

27h 00m1 stop Punta Cana

7:45 am - 11:40 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

17h 55m1 stop Punta Cana

$788Arajet

Mon, Oct 26 - Thu, Oct 29

5:45 am - 9:32 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

24h 47m1 stop Punta Cana

6:30 pm - 10:20 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

30h 50m2 stops Mendoza El Plumerillo Punta Cana

$839Multiple Airlines

Fri, Dec 4 - Sat, Dec 19

11:30 pm - 9:20 amORD Chicago O'Hare Intl-AEP Buenos Aires Jorge Newbery

31h 50m2 stops Bogotá El Dorado Rio de Janeiro–Galeão Intl

7:05 am - 9:30 pmAEP Buenos Aires Jorge Newbery-ORD Chicago O'Hare Intl

16h 25m1 stop Bogotá El Dorado

$885Avianca

Mon, Oct 26 - Thu, Oct 29

11:30 pm - 9:20 amORD Chicago O'Hare Intl-AEP Buenos Aires Jorge Newbery

31h 50m2 stops Bogotá El Dorado Rio de Janeiro–Galeão Intl

7:05 am - 9:30 pmAEP Buenos Aires Jorge Newbery-ORD Chicago O'Hare Intl

16h 25m1 stop Bogotá El Dorado

$952Avianca

Mon, Oct 26 - Thu, Oct 29

9:56 am - 9:50 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

20h 54m2 stops Atlanta Hartsfield-Jackson Miami

3:10 pm - 9:22 amEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

21h 12m2 stops Rio de Janeiro–Galeão Intl Atlanta Hartsfield-Jackson

$1,023LATAM Airlines

Sun, Dec 13 - Mon, Dec 14

3:00 pm - 9:50 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

15h 50m2 stops Atlanta Hartsfield-Jackson Miami

1:10 pm - 10:02 amEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

22h 52m2 stops Miami Atlanta Hartsfield-Jackson

$1,030LATAM Airlines

Sat, Mar 13 - Sun, Mar 28

7:35 am - 12:07 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

13h 32m1 stop Panama City Tocumen Intl

2:33 pm - 12:11 amEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

36h 38m1 stop Panama City Tocumen Intl

$1,075Copa Airlines

Sun, Nov 8 - Thu, Nov 12

2:13 pm - 10:24 pmORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

29h 11m1 stop Panama City Tocumen Intl

8:58 am - 12:46 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

30h 48m1 stop Panama City Tocumen Intl

$1,084Copa Airlines

Tue, Dec 1 - Thu, Dec 10

Cheap last minute flights

Enter your travel dates to find the best prices.

8:45 am - 2:30 pmORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

27h 45m2 stops Montreal Pierre Elliott Trudeau Intl Sao Paulo Guarulhos Intl

2:45 am - 10:10 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

21h 25m1 stop Punta Cana

$971Multiple Airlines

Sun, Sep 20 - Sat, Sep 26

9:46 am - 9:45 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

21h 59m1 stop Atlanta Hartsfield-Jackson

2:45 am - 10:10 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

21h 25m1 stop Punta Cana

$976Multiple Airlines

Sun, Sep 20 - Sat, Sep 26

5:30 am - 8:00 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

24h 30m1 stop Houston George Bush Intcntl

9:00 pm - 2:51 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

19h 51m1 stop Houston George Bush Intcntl

$1,100United Airlines

Sun, Sep 20 - Tue, Sep 22

10:05 am - 7:15 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

19h 10m1 stop Miami

8:45 pm - 9:29 amEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

14h 44m1 stop Miami

$1,116American Airlines

Wed, Sep 16 - Sun, Sep 20

12:47 pm - 7:15 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

16h 28m2 stops New York LaGuardia Miami

8:45 pm - 12:50 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

18h 05m2 stops Miami Washington, D.C. Reagan-National

$1,120American Airlines

Wed, Sep 16 - Sun, Sep 20

8:01 am - 3:15 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

17h 14m1 stop Panama City Tocumen Intl

5:25 am - 1:02 amEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

21h 37m1 stop Panama City Tocumen Intl

$1,140Copa Airlines

Tue, Sep 15 - Thu, Sep 17

8:01 am - 4:21 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

18h 20m1 stop Panama City Tocumen Intl

2:17 am - 12:57 amEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

24h 40m1 stop Panama City Tocumen Intl

$1,140Copa Airlines

Sat, Sep 19 - Sat, Oct 3

1:55 pm - 9:45 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

17h 50m2 stops Detroit Metropolitan Wayne County Atlanta Hartsfield-Jackson

8:10 pm - 8:30 pmEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

26h 20m2 stops Atlanta Hartsfield-Jackson Detroit Metropolitan Wayne County

$1,152Delta

Sun, Sep 20 - Tue, Sep 22

8:05 am - 9:45 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

23h 40m1 stop Atlanta Hartsfield-Jackson

7:35 am - 9:25 amEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

27h 50m2 stops Lima J Chavez Intl Atlanta Hartsfield-Jackson

$1,308Delta

Sun, Sep 20 - Fri, Sep 25

12:56 pm - 8:00 amORD Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini

17h 04m2 stops Indianapolis Houston George Bush Intcntl

9:00 pm - 11:16 amEZE Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl

16h 16m1 stop Houston George Bush Intcntl

$9,804United Airlines

Sun, Sep 20 - Fri, Sep 25

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Arajet flights from Chicago to Buenos Aires

Our best Arajet deals on Chicago to Buenos Aires flight tickets

Arajet

Oct 26

ORD4:30 amChicago O'Hare Intl

15h 35m

1 stop

EZE10:05 pmBuenos Aires Ministro Pistarini

Oct 29

EZE7:45 amBuenos Aires Ministro Pistarini

17h 55m

1 stop

ORD11:40 pmChicago O'Hare Intl

$758

Arajet

Oct 26

ORD4:30 amChicago O'Hare Intl

27h 00m

1 stop

EZE9:30 amBuenos Aires Ministro Pistarini

Oct 29

EZE7:45 amBuenos Aires Ministro Pistarini

17h 55m

1 stop

ORD11:40 pmChicago O'Hare Intl

$788

Arajet

Oct 26

ORD4:30 amChicago O'Hare Intl

15h 35m

1 stop

EZE10:05 pmBuenos Aires Ministro Pistarini

Apr 30

EZE4:45 amBuenos Aires Ministro Pistarini

32h 27m

1 stop

ORD11:12 amChicago O'Hare Intl

$798

LATAM Airlines flights from Chicago to Buenos Aires

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

LATAM Airlines

Nov 12

MDW1:05 pmChicago Midway

17h 45m

2 stops

EZE9:50 amBuenos Aires Ministro Pistarini

Nov 16

EZE7:20 amBuenos Aires Ministro Pistarini

18h 34m

2 stops

MDW10:54 pmChicago Midway

$1,107

LATAM Airlines

Sep 27

ORD6:25 pmChicago O'Hare Intl

19h 35m

2 stops

AEP4:00 pmBuenos Aires Jorge Newbery

Oct 5

AEP8:05 pmBuenos Aires Jorge Newbery

18h 41m

2 stops

ORD12:46 pmChicago O'Hare Intl

$1,121

LATAM Airlines

Nov 12

MDW1:05 pmChicago Midway

17h 45m

2 stops

EZE9:50 amBuenos Aires Ministro Pistarini

Nov 16

EZE7:20 amBuenos Aires Ministro Pistarini

18h 34m

2 stops

MDW10:54 pmChicago Midway

$1,126

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

ChicagoBuenos Aires

ORD Chicago O'Hare Intl - EZE Buenos Aires Ministro Pistarini

ORDEZE

Chicago O'Hare Intl

Mon 10/26

4:30 am-10:05 pm

1 stop15h 35m

Buenos Aires Ministro Pistarini

Thu 10/29

7:45 am-11:40 pm

1 stop17h 55m

$758

ChicagoBuenos Aires

ORD Chicago O'Hare Intl - EZE Buenos Aires Ministro Pistarini

ORDEZE

Chicago O'Hare Intl

Mon 10/26

4:30 am-10:05 pm

1 stop15h 35m

Buenos Aires Ministro Pistarini

Mon 11/2

11:05 pm-5:40 pm

2 stops45h 35m

$773

ChicagoBuenos Aires

ORD Chicago O'Hare Intl - EZE Buenos Aires Ministro Pistarini

ORDEZE

Chicago O'Hare Intl

Mon 10/26

4:30 am-9:30 am

1 stop27h 00m

Buenos Aires Ministro Pistarini

Thu 10/29

7:45 am-11:40 pm

1 stop17h 55m

$788

ChicagoBuenos Aires

ORD Chicago O'Hare Intl - EZE Buenos Aires Ministro Pistarini

ORDEZE

Chicago O'Hare Intl

Fri 12/4

5:45 am-9:32 am

1 stop24h 47m

Buenos Aires Ministro Pistarini

Sat 12/19

6:30 pm-10:20 pm

2 stops30h 50m

$839

ChicagoBuenos Aires

ORD Chicago O'Hare Intl - AEP Buenos Aires Jorge Newbery

ORDAEP

Chicago O'Hare Intl

Mon 10/26

11:30 pm-9:20 am

2 stops31h 50m

Buenos Aires Jorge Newbery

Thu 10/29

7:05 am-9:30 pm

1 stop16h 25m

$885

ChicagoBuenos Aires

ORD Chicago O'Hare Intl - AEP Buenos Aires Jorge Newbery

ORDAEP

Chicago O'Hare Intl

Mon 10/26

11:30 pm-9:20 am

2 stops31h 50m

Buenos Aires Jorge Newbery

Thu 10/29

7:05 am-9:30 pm

1 stop16h 25m

$952

ChicagoBuenos Aires

ORD Chicago O'Hare Intl - EZE Buenos Aires Ministro Pistarini

ORDEZE

Chicago O'Hare Intl

Sun 12/13

9:56 am-9:50 am

2 stops20h 54m

Buenos Aires Ministro Pistarini

Mon 12/14

3:10 pm-9:22 am

2 stops21h 12m

$1,023

ChicagoBuenos Aires

ORD Chicago O'Hare Intl - EZE Buenos Aires Ministro Pistarini

ORDEZE

Chicago O'Hare Intl

Sat 3/13

3:00 pm-9:50 am

2 stops15h 50m

Buenos Aires Ministro Pistarini

Sun 3/28

1:10 pm-10:02 am

2 stops22h 52m

$1,030

ChicagoBuenos Aires

ORD Chicago O'Hare Intl - EZE Buenos Aires Ministro Pistarini

ORDEZE

Chicago O'Hare Intl

Sun 11/8

7:35 am-12:07 am

1 stop13h 32m

Buenos Aires Ministro Pistarini

Thu 11/12

2:33 pm-12:11 am

1 stop36h 38m

$1,075

ChicagoBuenos Aires

ORD Chicago O'Hare Intl - EZE Buenos Aires Ministro Pistarini

ORDEZE

Chicago O'Hare Intl

Tue 12/1

2:13 pm-10:24 pm

1 stop29h 11m

Buenos Aires Ministro Pistarini

Thu 12/10

8:58 am-12:46 pm

1 stop30h 48m

$1,084

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?

Prices are currently low for flights on this route.

Typical prices usually range from $1,096 to $1,215.
The lowest price recently found on this route was $758.

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from Chicago is in May. Flight prices, which tend to average around $978, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of May, then book flights to Buenos Aires from Chicago during April instead. Flights to Buenos Aires in April, while not as cheap as those in May, still average around $984.

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 $1,204 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 $625 on momondo.

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

You could potentially save up to 46% 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

Best Price Found	$282
Fastest flight time	13h 15m
Direct flights	None

The best one-way flight to Buenos Aires from Chicago in the past 72 hours is $282. The best round-trip flight deal from Chicago to Buenos Aires found on momondo in the last 72 hours is $758.

The fastest flight from Chicago to Buenos Aires takes 13h 15m

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

Search flight deals

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 15m 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 8 as of September 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 (22% of total bookings). The next most popular airlines are Avianca (17%), LATAM Airlines (13%), and Copa 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 6.1 54 reviews	Search Arajet flights
LATAM Airlines	PriceFrom $727	Free Cancellation	Rating 7.4 1,984 reviews	Search LATAM Airlines flights
Copa Airlines	PriceFrom $768	Free Cancellation	Rating 7.6 1,542 reviews	Search Copa Airlines flights
Avianca	PriceFrom $792	Free Cancellation	Rating 6.5 2,551 reviews	Search Avianca flights
Delta	PriceFrom $901	Free Cancellation	Rating 7.8 8,564 reviews	Search Delta flights
United Airlines	PriceFrom $951	Free Cancellation	Rating 7.4 10,214 reviews	Search United Airlines flights
American Airlines	PriceFrom $961	Free Cancellation	Rating 7.1 12,051 reviews	Search American Airlines flights
Aeromexico	PriceFrom $1,025	Free Cancellation	Rating 7.4 1,462 reviews	Search Aeromexico 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

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Wed 10/14

Wed 10/21

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Argentina

Nearby airports

Airlines

Cabin classes

Other Argentina destinations

Other flights from Chicago

Complete your trip

Feeling lucky

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 $282

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 12/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Chicago to Buenos Aires

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Arajet flights from Chicago to Buenos Aires

Our best Arajet deals on Chicago to Buenos Aires flight tickets

LATAM Airlines flights from Chicago to Buenos Aires

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

momondo Fare Finder

Use the filters below to find and compare flights from Chicago to Buenos Aires that are best for you.

See travel insights to Buenos Aires from

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

Best Price Found

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

Fly to other destinations from Chicago

According to popular flight searches on momondo this year

Complete your trip to Buenos Aires

Explore popular destinations other users love

According to popular flight searches on momondo this year