What is the cheapest airline to fly from Chicago to Buenos Aires round-trip?

Cheapflights users have booked flights from Chicago to Buenos Aires round-trip from $771. Users have found that LATAM Airlines is 34% cheaper than the other options available to this destination.

What are the most popular airlines that fly from Chicago to Buenos Aires?

When booking a flight from Chicago to Buenos Aires, you may want to consider flying on American Airlines, Air Canada or Aeromexico as they are the most popular for this route.

What are the most popular routes from Chicago to Buenos Aires?

The most popular route from Chicago to Buenos Aires is Chicago O'Hare Intl - Buenos Aires Ministro Pistarini. You may also consider Chicago O'Hare Intl - Buenos Aires Jorge Newbery or Chicago Midway - Buenos Aires Ministro Pistarini.

Can I find flights from Chicago to Buenos Aires for under $800 on Cheapflights?

Yes, there are multiple flights from Chicago to Buenos Aires for under $800. The cheapest flight booked recently is on Multiple Airlines for just $728, but on average you can expect to pay $758.

Are there last-minute flights available from Chicago to Buenos Aires for under $900?

There are currently 20+ open flights from Chicago to Buenos Aires within the next 7 days for less than $900.

Which airlines flying from Chicago to Buenos Aires have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like American Airlines, Copa Airlines, and Delta flying from Chicago to Buenos Aires have implemented new flexible cancellation policies.

What is the cheapest day to fly round-trip from Chicago to Buenos Aires?

Users have found that flying from Chicago to Buenos Aires on a Wednesday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

Find a great deal and save up to 7% by booking at least 22 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Chicago to Buenos Aires within the next two weeks, with the cheapest ticket starting at $1,290.

What is the cheapest month to fly from Chicago to Buenos Aires?

Our data shows that April tends to be the cheapest month to fly to Buenos Aires from Chicago. Users have commonly found prices around $1,184 for the month, but tickets can be as low as $891. Due to multiple factors, prepare for potentially higher prices in December.

When is the cheapest time to fly from Chicago to Buenos Aires (CHI - BUE)?

One of the essential ways to save on airfare from Chicago to Buenos Aires is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 12% on airfare.

Cheap Flights from Chicago, IL to Buenos Aires, Argentina from $241 - CHI to BUE Tickets & Airfare Deals at Cheapflights.com

How to find the cheapest flight from Chicago (CHI) to Buenos Aires (BUE)

Popular in	December
Cheapest in	April
Round-trip from	$1,077
One-way from	$363

High demand for flights, 19% potential price rise

Search Deals

Best time to find cheap flights, 9% potential price drop

Search Deals

From Chicago (CHI) to Buenos Aires (BUE)

Search Deals

One-way flight from Chicago (CHI) to Buenos Aires (BUE)

Search Deals

CHI - BUE Price	$1,077 - $1,461
BUE Temperature	51.8 - 77 °F
BUE Rainfall	2 - 3.9 inches

CHI - BUE

Price

$1,077 - $1,461

BUE

Temperature

51.8 - 77 °F

BUE

Rainfall

2 - 3.9 inches

Cheap flights from Chicago to Buenos Aires in May, June 2023

These are some of the most attractive deals on flights from Chicago to Buenos Aires in 2023. For more flight deals, be sure to check back very soon.

Jun 14 - Jul 25

ORD

Chicago O'Hare Intl

EZE

Buenos Aires Ministro Pistarini

3 stops

30h 54m

EZE

Buenos Aires Ministro Pistarini

ORD

Chicago O'Hare Intl

3 stops

42h 48m

$740

Multiple Airlines

Deal found 5/29

Jun 28 - Jul 5

ORD

Chicago O'Hare Intl

EZE

Buenos Aires Ministro Pistarini

2 stops

17h 55m

EZE

Buenos Aires Ministro Pistarini

ORD

Chicago O'Hare Intl

3 stops

30h 23m

$810

Multiple Airlines

Deal found 5/29

Jun 21 - Jun 29

ORD

Chicago O'Hare Intl

EZE

Buenos Aires Ministro Pistarini

1 stop

27h 58m

EZE

Buenos Aires Ministro Pistarini

ORD

Chicago O'Hare Intl

2 stops

40h 40m

$828

Aeromexico

Deal found 5/29

Jun 14 - Jul 25

ORD

Chicago O'Hare Intl

EZE

Buenos Aires Ministro Pistarini

2 stops

26h 33m

EZE

Buenos Aires Ministro Pistarini

ORD

Chicago O'Hare Intl

3 stops

42h 48m

$840

Multiple Airlines

Deal found 5/29

Jun 21 - Jul 9

ORD

Chicago O'Hare Intl

EZE

Buenos Aires Ministro Pistarini

3 stops

53h 42m

EZE

Buenos Aires Ministro Pistarini

ORD

Chicago O'Hare Intl

2 stops

21h 45m

$842

Multiple Airlines

Deal found 5/29

Jun 18 - Jul 10

ORD

Chicago O'Hare Intl

EZE

Buenos Aires Ministro Pistarini

3 stops

36h 43m

EZE

Buenos Aires Ministro Pistarini

ORD

Chicago O'Hare Intl

3 stops

38h 17m

$865

Multiple Airlines

Deal found 5/29

Jun 18 - Jul 6

ORD

Chicago O'Hare Intl

EZE

Buenos Aires Ministro Pistarini

3 stops

36h 43m

EZE

Buenos Aires Ministro Pistarini

ORD

Chicago O'Hare Intl

3 stops

40h 17m

$867

Multiple Airlines

Deal found 5/29

Jun 28 - Jul 5

ORD

Chicago O'Hare Intl

EZE

Buenos Aires Ministro Pistarini

3 stops

33h 36m

EZE

Buenos Aires Ministro Pistarini

ORD

Chicago O'Hare Intl

2 stops

22h 25m

$873

Multiple Airlines

Deal found 5/29

Jun 21 - Jul 9

ORD

Chicago O'Hare Intl

EZE

Buenos Aires Ministro Pistarini

2 stops

44h 17m

EZE

Buenos Aires Ministro Pistarini

ORD

Chicago O'Hare Intl

2 stops

21h 45m

$891

Multiple Airlines

Deal found 5/29

Chicago to Buenos Aires 2023 flight deals

These are some of the most attractive deals on flights from Chicago to Buenos Aires in 2023. For more flight deals, be sure to check back very soon.

Aug 22 - Aug 25

ORD

Chicago O'Hare Intl

AEP

Buenos Aires Jorge Newbery

3 stops

29h 33m

AEP

Buenos Aires Jorge Newbery

ORD

Chicago O'Hare Intl

3 stops

38h 49m

$728

Multiple Airlines

Deal found 5/29

Aug 22 - Aug 28

ORD

Chicago O'Hare Intl

EZE

Buenos Aires Ministro Pistarini

3 stops

29h 11m

EZE

Buenos Aires Ministro Pistarini

ORD

Chicago O'Hare Intl

3 stops

30h 15m

$733

Multiple Airlines

Deal found 5/29

Aug 22 - Aug 26

ORD

Chicago O'Hare Intl

AEP

Buenos Aires Jorge Newbery

3 stops

29h 33m

AEP

Buenos Aires Jorge Newbery

ORD

Chicago O'Hare Intl

3 stops

25h 21m

$739

Multiple Airlines

Deal found 5/29

Jun 14 - Jul 25

ORD

Chicago O'Hare Intl

EZE

Buenos Aires Ministro Pistarini

3 stops

30h 54m

EZE

Buenos Aires Ministro Pistarini

ORD

Chicago O'Hare Intl

3 stops

42h 48m

$740

Multiple Airlines

Deal found 5/29

Aug 22 - Aug 26

ORD

Chicago O'Hare Intl

EZE

Buenos Aires Ministro Pistarini

3 stops

32h 00m

EZE

Buenos Aires Ministro Pistarini

ORD

Chicago O'Hare Intl

3 stops

32h 11m

$751

Multiple Airlines

Deal found 5/29

Aug 23 - Aug 25

ORD

Chicago O'Hare Intl

AEP

Buenos Aires Jorge Newbery

3 stops

31h 09m

AEP

Buenos Aires Jorge Newbery

ORD

Chicago O'Hare Intl

3 stops

38h 49m

$753

Multiple Airlines

Deal found 5/29

Sep 6 - Sep 18

ORD

Chicago O'Hare Intl

EZE

Buenos Aires Ministro Pistarini

3 stops

34h 16m

EZE

Buenos Aires Ministro Pistarini

ORD

Chicago O'Hare Intl

3 stops

32h 49m

$754

Multiple Airlines

Deal found 5/29

Oct 24 - Oct 30

MDW

Chicago Midway

EZE

Buenos Aires Ministro Pistarini

1 stop

21h 51m

EZE

Buenos Aires Ministro Pistarini

MDW

Chicago Midway

1 stop

20h 52m

$759

Multiple Airlines

Deal found 5/29

Aug 24 - Aug 26

ORD

Chicago O'Hare Intl

AEP

Buenos Aires Jorge Newbery

3 stops

27h 59m

AEP

Buenos Aires Jorge Newbery

ORD

Chicago O'Hare Intl

3 stops

25h 21m

$759

Multiple Airlines

Deal found 5/29

Cheap LATAM Airlines flights from Chicago to Buenos Aires

Check out some of the cheapest LATAM Airlines flights we've come across from Chicago to Buenos Aires. Make sure to double check the flight details before booking.

Oct 29 - Nov 16

ORD

Chicago O'Hare Intl

EZE

Buenos Aires Ministro Pistarini

2 stops

22h 50m

EZE

Buenos Aires Ministro Pistarini

ORD

Chicago O'Hare Intl

2 stops

26h 33m

$771

LATAM Airlines

Deal found 5/29

Aug 18 - Aug 27

ORD

Chicago O'Hare Intl

EZE

Buenos Aires Ministro Pistarini

2 stops

31h 30m

EZE

Buenos Aires Ministro Pistarini

ORD

Chicago O'Hare Intl

2 stops

30h 25m

$778

LATAM Airlines

Deal found 5/29

Oct 13 - Oct 22

ORD

Chicago O'Hare Intl

EZE

Buenos Aires Ministro Pistarini

2 stops

20h 41m

EZE

Buenos Aires Ministro Pistarini

ORD

Chicago O'Hare Intl

2 stops

31h 46m

$779

LATAM Airlines

Deal found 5/30

Oct 23 - Oct 26

MDW

Chicago Midway

EZE

Buenos Aires Ministro Pistarini

2 stops

21h 40m

EZE

Buenos Aires Ministro Pistarini

MDW

Chicago Midway

2 stops

19h 54m

$785

LATAM Airlines

Deal found 5/29

Aug 11 - Aug 20

ORD

Chicago O'Hare Intl

AEP

Buenos Aires Jorge Newbery

2 stops

47h 25m

AEP

Buenos Aires Jorge Newbery

ORD

Chicago O'Hare Intl

2 stops

37h 18m

$786

LATAM Airlines

Deal found 5/29

Sep 29 - Oct 9

ORD

Chicago O'Hare Intl

EZE

Buenos Aires Ministro Pistarini

2 stops

33h 19m

EZE

Buenos Aires Ministro Pistarini

ORD

Chicago O'Hare Intl

2 stops

17h 49m

$787

LATAM Airlines

Deal found 5/29

Aug 22 - Aug 27

ORD

Chicago O'Hare Intl

EZE

Buenos Aires Ministro Pistarini

2 stops

20h 40m

EZE

Buenos Aires Ministro Pistarini

ORD

Chicago O'Hare Intl

2 stops

30h 25m

$792

LATAM Airlines

Deal found 5/29

Aug 11 - Aug 20

ORD

Chicago O'Hare Intl

EZE

Buenos Aires Ministro Pistarini

2 stops

28h 25m

EZE

Buenos Aires Ministro Pistarini

ORD

Chicago O'Hare Intl

2 stops

31h 55m

$796

LATAM Airlines

Deal found 5/30

Sep 5 - Sep 18

ORD

Chicago O'Hare Intl

AEP

Buenos Aires Jorge Newbery

2 stops

25h 15m

AEP

Buenos Aires Jorge Newbery

ORD

Chicago O'Hare Intl

2 stops

28h 05m

$799

LATAM Airlines

Deal found 5/29

Cheap Delta flights from Chicago to Buenos Aires

Some of the best deals we've found on Delta flights traveling from Chicago to Buenos Aires. Ensure the flight price, dates, time, and airline match your criteria before you book.

Oct 23 - Oct 25

MDW

Chicago Midway

EZE

Buenos Aires Ministro Pistarini

1 stop

13h 15m

EZE

Buenos Aires Ministro Pistarini

MDW

Chicago Midway

1 stop

24h 00m

$799

Delta

Deal found 5/29

Sep 21 - Oct 25

MDW

Chicago Midway

EZE

Buenos Aires Ministro Pistarini

1 stop

20h 08m

EZE

Buenos Aires Ministro Pistarini

MDW

Chicago Midway

2 stops

18h 42m

$804

Delta

Deal found 5/29

Aug 20 - Aug 30

ORD

Chicago O'Hare Intl

EZE

Buenos Aires Ministro Pistarini

1 stop

35h 05m

EZE

Buenos Aires Ministro Pistarini

ORD

Chicago O'Hare Intl

1 stop

14h 20m

$806

Delta

Deal found 5/30

Aug 20 - Aug 31

ORD

Chicago O'Hare Intl

EZE

Buenos Aires Ministro Pistarini

1 stop

35h 05m

EZE

Buenos Aires Ministro Pistarini

ORD

Chicago O'Hare Intl

2 stops

26h 52m

$811

Delta

Deal found 5/30

Aug 18 - Aug 22

MDW

Chicago Midway

EZE

Buenos Aires Ministro Pistarini

1 stop

20h 41m

EZE

Buenos Aires Ministro Pistarini

MDW

Chicago Midway

1 stop

18h 04m

$839

Delta

Deal found 5/30

Aug 18 - Aug 22

MDW

Chicago Midway

EZE

Buenos Aires Ministro Pistarini

2 stops

16h 35m

EZE

Buenos Aires Ministro Pistarini

MDW

Chicago Midway

2 stops

18h 48m

$844

Delta

Deal found 5/30

Sep 28 - Oct 11

MDW

Chicago Midway

EZE

Buenos Aires Ministro Pistarini

1 stop

18h 12m

EZE

Buenos Aires Ministro Pistarini

MDW

Chicago Midway

1 stop

18h 05m

$855

Delta

Deal found 5/30

Sep 28 - Oct 11

MDW

Chicago Midway

EZE

Buenos Aires Ministro Pistarini

1 stop

18h 12m

EZE

Buenos Aires Ministro Pistarini

MDW

Chicago Midway

2 stops

18h 42m

$860

Delta

Deal found 5/30

Aug 18 - Aug 27

MDW

Chicago Midway

EZE

Buenos Aires Ministro Pistarini

1 stop

20h 41m

EZE

Buenos Aires Ministro Pistarini

MDW

Chicago Midway

1 stop

15h 19m

$879

Delta

Deal found 5/29

Last minute flights from Chicago to Buenos Aires

Have a look at some of the flights available from Chicago to Buenos Aires departing last-minute. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.

Jun 4 - Jun 13

ORD

Chicago O'Hare Intl

EZE

Buenos Aires Ministro Pistarini

2 stops

33h 45m

EZE

Buenos Aires Ministro Pistarini

ORD

Chicago O'Hare Intl

2 stops

30h 11m

$892

LATAM Airlines

Deal found 5/29

Jun 5 - Jun 16

ORD

Chicago O'Hare Intl

EZE

Buenos Aires Ministro Pistarini

2 stops

32h 08m

EZE

Buenos Aires Ministro Pistarini

ORD

Chicago O'Hare Intl

2 stops

30h 21m

$900

LATAM Airlines

Deal found 5/29

Jun 9 - Jun 19

ORD

Chicago O'Hare Intl

EZE

Buenos Aires Ministro Pistarini

2 stops

26h 55m

EZE

Buenos Aires Ministro Pistarini

ORD

Chicago O'Hare Intl

2 stops

31h 46m

$917

LATAM Airlines

Deal found 5/29

Jun 5 - Jun 12

ORD

Chicago O'Hare Intl

EZE

Buenos Aires Ministro Pistarini

2 stops

21h 08m

EZE

Buenos Aires Ministro Pistarini

ORD

Chicago O'Hare Intl

2 stops

23h 23m

$918

LATAM Airlines

Deal found 5/29

Jun 5 - Jun 17

ORD

Chicago O'Hare Intl

EZE

Buenos Aires Ministro Pistarini

2 stops

32h 08m

EZE

Buenos Aires Ministro Pistarini

ORD

Chicago O'Hare Intl

2 stops

31h 46m

$943

LATAM Airlines

Deal found 5/29

Jun 8 - Jun 16

ORD

Chicago O'Hare Intl

EZE

Buenos Aires Ministro Pistarini

2 stops

33h 21m

EZE

Buenos Aires Ministro Pistarini

ORD

Chicago O'Hare Intl

2 stops

30h 21m

$951

LATAM Airlines

Deal found 5/29

Jun 8 - Jun 19

ORD

Chicago O'Hare Intl

EZE

Buenos Aires Ministro Pistarini

2 stops

33h 21m

EZE

Buenos Aires Ministro Pistarini

ORD

Chicago O'Hare Intl

2 stops

31h 46m

$968

LATAM Airlines

Deal found 5/29

Jun 8 - Jun 17

ORD

Chicago O'Hare Intl

EZE

Buenos Aires Ministro Pistarini

2 stops

33h 21m

EZE

Buenos Aires Ministro Pistarini

ORD

Chicago O'Hare Intl

2 stops

31h 46m

$993

LATAM Airlines

Deal found 5/29

Jun 4 - Jun 12

ORD

Chicago O'Hare Intl

EZE

Buenos Aires Ministro Pistarini

2 stops

32h 12m

EZE

Buenos Aires Ministro Pistarini

ORD

Chicago O'Hare Intl

2 stops

34h 26m

$994

LATAM Airlines

Deal found 5/29

One-way flights to Buenos Aires from Chicago

Take a look at some of the best available options we've come across on one-way flights from Chicago to Buenos Aires. Those seeking round-trip flights from Chicago to Buenos Aires should utilize the search form at the the top of the page.

Aug 30

ORD

Chicago O'Hare Intl

EZE

Buenos Aires Ministro Pistarini

3 stops

34h 11m

$241

Multiple Airlines

Deal found 5/28

Oct 6

MDW

Chicago Midway

EZE

Buenos Aires Ministro Pistarini

3 stops

31h 01m

$327

Multiple Airlines

Deal found 5/29

Jun 25

ORD

Chicago O'Hare Intl

EZE

Buenos Aires Ministro Pistarini

2 stops

45h 30m

$363

Multiple Airlines

Deal found 5/29

Jun 28

MDW

Chicago Midway

EZE

Buenos Aires Ministro Pistarini

3 stops

51h 22m

$374

Multiple Airlines

Deal found 5/30

Jun 28

MDW

Chicago Midway

AEP

Buenos Aires Jorge Newbery

3 stops

48h 22m

$381

Multiple Airlines

Deal found 5/30

Jun 28

ORD

Chicago O'Hare Intl

EZE

Buenos Aires Ministro Pistarini

3 stops

58h 31m

$382

Multiple Airlines

Deal found 5/30

Jun 28

ORD

Chicago O'Hare Intl

AEP

Buenos Aires Jorge Newbery

3 stops

47h 53m

$383

Multiple Airlines

Deal found 5/30

Jun 30

ORD

Chicago O'Hare Intl

EZE

Buenos Aires Ministro Pistarini

3 stops

54h 22m

$390

Multiple Airlines

Deal found 5/30

Oct 6

MDW

Chicago Midway

AEP

Buenos Aires Jorge Newbery

3 stops

49h 39m

$390

Multiple Airlines

Deal found 5/29

Find flights from Chicago to Buenos Aires within your budget

Fly from

Fly to

Budget

$728 - $828

Route

Depart

Return

Price

Chicago O'Hare IntlBuenos Aires Jorge Newbery

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Tue 8/22

3 stops29h 33m

Buenos Aires Jorge Newbery

Fri 8/25

3 stops38h 49m

$728

Pick Dates

Chicago O'Hare IntlBuenos Aires Ministro Pistarini

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Tue 8/22

3 stops29h 11m

Buenos Aires Ministro Pistarini

Mon 8/28

3 stops30h 15m

$733

Pick Dates

Chicago O'Hare IntlBuenos Aires Jorge Newbery

ORD - AEP

ORDAEP

Chicago O'Hare Intl

Tue 8/22

3 stops29h 33m

Buenos Aires Jorge Newbery

Sat 8/26

3 stops25h 21m

$739

Pick Dates

Chicago O'Hare IntlBuenos Aires Ministro Pistarini

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Sun 10/29

2 stops22h 50m

Buenos Aires Ministro Pistarini

Thu 11/16

2 stops26h 33m

$771

Pick Dates

Chicago O'Hare IntlBuenos Aires Ministro Pistarini

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Fri 8/18

2 stops31h 30m

Buenos Aires Ministro Pistarini

Sun 8/27

2 stops30h 25m

$778

Pick Dates

Chicago O'Hare IntlBuenos Aires Ministro Pistarini

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Fri 10/13

2 stops20h 41m

Buenos Aires Ministro Pistarini

Sun 10/22

2 stops31h 46m

$779

Pick Dates

Chicago MidwayBuenos Aires Ministro Pistarini

MDW - EZE

MDWEZE

Chicago Midway

Mon 10/23

1 stop13h 15m

Buenos Aires Ministro Pistarini

Wed 10/25

1 stop24h 00m

$799

Pick Dates

Chicago O'Hare IntlBuenos Aires Ministro Pistarini

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 9/4

2 stops22h 17m

Buenos Aires Ministro Pistarini

Thu 9/14

1 stop14h 10m

$799

Pick Dates

Chicago O'Hare IntlBuenos Aires Ministro Pistarini

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Sat 9/2

1 stop28h 01m

Buenos Aires Ministro Pistarini

Tue 9/12

1 stop25h 54m

$828

Pick Dates

Flights are sorted by cheapest first

Deals found on 5/29

Reviews of Airlines Servicing Buenos Aires

To help decide which airline to fly from Chicago to Buenos Aires, see what other customers have to say about LATAM Airlines, Delta and Aeromexico. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Aerolineas Argentinas

8.1

Very good

194 reviews

Check prices

Reviews

1 / 1

Very easy to fly, great itinerary, nice airport staff and flight attendants. The onboard snack can be better knowing that Argentina is famous for it’s bakery products.

Aerolineas Argentinas

8.1

Very good

194 reviews

Aerolineas Argentinas

8.1

Very good

194 reviews

Check prices

Reviews

1 / 1

Very easy to fly, great itinerary, nice airport staff and flight attendants. The onboard snack can be better knowing that Argentina is famous for it’s bakery products.

Delta

8.0

Very good

2,360 reviews

Aerolineas Argentinas

8.1

Very good

194 reviews

Check prices

Reviews

1 / 1

Very easy to fly, great itinerary, nice airport staff and flight attendants. The onboard snack can be better knowing that Argentina is famous for it’s bakery products.

LATAM Airlines

7.4

Good

394 reviews

Aerolineas Argentinas

8.1

Very good

194 reviews

Check prices

Reviews

1 / 1

Very easy to fly, great itinerary, nice airport staff and flight attendants. The onboard snack can be better knowing that Argentina is famous for it’s bakery products.

Aeromexico

7.0

Good

555 reviews

Aerolineas Argentinas

8.1

Very good

194 reviews

Check prices

Reviews

1 / 1

Very easy to fly, great itinerary, nice airport staff and flight attendants. The onboard snack can be better knowing that Argentina is famous for it’s bakery products.

Related info for your journey

ORD stands for Chicago O'Hare Intl Airport, while EZE stands for Buenos Aires Ministro Pistarini Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Chicago Midway Airport (MDW), Chicago Greater Rockford Airport (RFD).

Top 7 airlines flying from Chicago to Buenos Aires

Airline	Cheapest	Average	Flexibility	On-time	COVID-19 safety
Copa Airlines	Cheapest$758	Average$1,049	FlexibilityNo cancel fee	On-time70%	COVID-19 safety	Search Copa Airlines flights
Air Canada	Cheapest$850	Average$1,284	FlexibilityNo cancel fee	On-time67%	COVID-19 safety	Search Air Canada flights
United Airlines	Cheapest$921	Average$1,171	FlexibilityNo cancel fee	On-time69%	COVID-19 safety	Search United Airlines flights
Aeromexico	Cheapest$934	Average$987	FlexibilityNo cancel fee	On-timeN/A	COVID-19 safety	Search Aeromexico flights
American Airlines	Cheapest$937	Average$1,405	FlexibilityNo cancel fee	On-time71%	COVID-19 safety	Search American Airlines flights
Delta	Cheapest$976	Average$1,161	FlexibilityNo cancel fee	On-timeN/A	COVID-19 safety	Search Delta flights
LATAM Airlines	Cheapest$980	Average$1,139	FlexibilityNo cancel fee	On-time81%	COVID-19 safety	Search LATAM Airlines flights

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Cheap flights from Chicago (CHI) to Buenos Aires (BUE) from $241

This is the cheapest one-way flight price, found on 5/28. Prices may vary by date and flight preferences.

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The best prices from Chicago to Buenos Aires are usually found in April or September, booked 21 days in advance, depart on a Tuesday or Saturday and return on a Monday

How to find the cheapest flight from Chicago (CHI) to Buenos Aires (BUE)

All the information you need to plan the best CHI to BUE flight in 2023: compare Chicago to Buenos Aires flight prices with the expected peak season, weather and rainfall in Buenos Aires.

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Round-trip from

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Cheap flights from Chicago to Buenos Aires in May, June 2023

The best prices found for CHI to BUE flights for May, June

These are some of the most attractive deals on flights from Chicago to Buenos Aires in 2023. For more flight deals, be sure to check back very soon.

Chicago to Buenos Aires 2023 flight deals

Cheap flights to Buenos Aires from Chicago found for this year

These are some of the most attractive deals on flights from Chicago to Buenos Aires in 2023. For more flight deals, be sure to check back very soon.

Cheap LATAM Airlines flights from Chicago to Buenos Aires

Check out some of the cheapest LATAM Airlines flights we've come across from Chicago to Buenos Aires. Make sure to double check the flight details before booking.

Cheap Delta flights from Chicago to Buenos Aires

Some of the best deals we've found on Delta flights traveling from Chicago to Buenos Aires. Ensure the flight price, dates, time, and airline match your criteria before you book.

Last minute flights from Chicago to Buenos Aires

Late deals on return flights to Buenos Aires from Chicago, departing today and this week

Have a look at some of the flights available from Chicago to Buenos Aires departing last-minute. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.

One-way flights to Buenos Aires from Chicago

The cheapest one-way flights from Chicago to Buenos Aires

Take a look at some of the best available options we've come across on one-way flights from Chicago to Buenos Aires. Those seeking round-trip flights from Chicago to Buenos Aires should utilize the search form at the the top of the page.

Find flights from Chicago to Buenos Aires within your budget

Use the slider to find flights from Chicago to Buenos Aires that fit your budget.

Reviews of Airlines Servicing Buenos Aires

To help decide which airline to fly from Chicago to Buenos Aires, see what other customers have to say about LATAM Airlines, Delta and Aeromexico. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Useful info, stats and facts about Chicago to Buenos Aires flights.

Which airlines flying from Chicago to Buenos Aires have flexible cancellations due to COVID-19?

Can I find flights from Chicago to Buenos Aires for under $800 on Cheapflights?

Are there last-minute flights available from Chicago to Buenos Aires for under $900?

What is the cheapest airline to fly from Chicago to Buenos Aires round-trip?

What are the most popular routes from Chicago to Buenos Aires?

What are the most popular airlines that fly from Chicago to Buenos Aires?

What does ORD to EZE mean?

Other flights from Chicago

Flights to Buenos Aires from Chicago

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Top 7 airlines flying from Chicago to Buenos Aires

The chart below displays the airlines Cheapflights users traveling from Chicago to Buenos Aires choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

Popular flight searches

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