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.
CHI — BUE
Jun 4 — Jun 111
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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.

Popular in

December

Cheapest in

April

Round-trip from

$1,077

One-way from

$363
High demand for flights, 19% potential price rise
Best time to find cheap flights, 9% potential price drop
From Chicago (CHI) to Buenos Aires (BUE)
One-way flight from Chicago (CHI) to Buenos Aires (BUE)

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

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.

Fly from

Any airport

Fly to

Any airport

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

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

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

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

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

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

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

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

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

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

Entertainment

5.8

Food

6.5

Boarding

8.1

Overall

8.1

Comfort

7.8

Crew

8.6

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

Entertainment

5.8

Food

6.5

Boarding

8.1

Overall

8.1

Comfort

7.8

Crew

8.6

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

Entertainment

5.8

Food

6.5

Boarding

8.1

Overall

8.1

Comfort

7.8

Crew

8.6

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

Entertainment

5.8

Food

6.5

Boarding

8.1

Overall

8.1

Comfort

7.8

Crew

8.6

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

Entertainment

5.8

Food

6.5

Boarding

8.1

Overall

8.1

Comfort

7.8

Crew

8.6

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

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

Other flights from Chicago

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.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Copa AirlinesCheapest$758Average$1,049FlexibilityNo cancel feeOn-time70%COVID-19 safety
Search Copa Airlines flights
Air CanadaCheapest$850Average$1,284FlexibilityNo cancel feeOn-time67%COVID-19 safety
Search Air Canada flights
United AirlinesCheapest$921Average$1,171FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
AeromexicoCheapest$934Average$987FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Aeromexico flights
American AirlinesCheapest$937Average$1,405FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
DeltaCheapest$976Average$1,161FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
LATAM AirlinesCheapest$980Average$1,139FlexibilityNo cancel feeOn-time81%COVID-19 safety
Search LATAM Airlines flights