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

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The best prices from Chicago to Buenos Aires are usually found in July or May, booked 60 days in advance, depart on a Tuesday or Wednesday and return on a Sunday

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 2021: compare Chicago to Buenos Aires flight prices with the expected peak season, weather and rainfall in Buenos Aires.
CHI - BUE
Price
$932 - $1,329
BUE
Temperature
51.8 - 77 °F
BUE
Precipitation
2 - 3.9 inches

Popular in

December

High demand for flights, 20% potential price rise

Cheapest in

July

Best time to find cheap flights, 13% potential price drop

Round-trip from

$932

From Chicago (CHI) to Buenos Aires (BUE)

One-way from

$459

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

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from Chicago to Buenos Aires?

Find a great deal and save up to 2% by booking at least 61 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 $1,159.

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.

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

Our data shows that July tends to be the cheapest month to fly to Buenos Aires from Chicago. Users have commonly found prices around $1,069 for the month, but tickets can be as low as $886. 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 in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 16% on airfare.

Cheap flights from Chicago to Buenos Aires in October, November 2021

The best prices found for CHI to BUE flights for October, November
4 Nov - 14 Nov
$915pp
ORD
Chicago O'Hare Intl
Delta
 
1 STOP
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
Delta
 
1 STOP
ORD
Chicago O'Hare Intl
29 Oct - 7 Nov
$918pp
ORD
Chicago O'Hare Intl
American Airlines
   
2 STOPS
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
American Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
1 Nov - 12 Nov
$920pp
ORD
Chicago O'Hare Intl
Delta
   
2 STOPS
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
Delta
   
2 STOPS
ORD
Chicago O'Hare Intl

Chicago to Buenos Aires 2021 flight deals

Cheap flights to Buenos Aires from Chicago found for this year
7 Dec - 4 Jan
$658pp
ORD
Chicago O'Hare Intl
Multiple Airlines
     
3 STOPS
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
Multiple Airlines
   
2 STOPS
ORD
Chicago O'Hare Intl
7 Dec - 3 Jan
$691pp
ORD
Chicago O'Hare Intl
Multiple Airlines
     
3 STOPS
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
Multiple Airlines
     
3 STOPS
ORD
Chicago O'Hare Intl
7 Dec - 4 Jan
$705pp
ORD
Chicago O'Hare Intl
Multiple Airlines
   
2 STOPS
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
Multiple Airlines
   
2 STOPS
ORD
Chicago O'Hare Intl

Last minute flights from Chicago to Buenos Aires

Late deals on round-trip flights to Buenos Aires from Chicago, departing today and this week
29 Oct - 6 Nov
$915pp
ORD
Chicago O'Hare Intl
American Airlines
 
1 STOP
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
American Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
29 Oct - 7 Nov
$918pp
ORD
Chicago O'Hare Intl
American Airlines
   
2 STOPS
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
American Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
29 Oct - 6 Nov
$935pp
ORD
Chicago O'Hare Intl
American Airlines
 
1 STOP
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
American Airlines
 
1 STOP
ORD
Chicago O'Hare Intl

One-way flights to Buenos Aires from Chicago

The cheapest one-way flights from Chicago to Buenos Aires
2:30 am - 5:50 pm
Multiple Airlines
3 Stops
36h 20m
ORD - AEP
Multiple Airlines
$459
Gotogate
11:45 am - 4:00 am
Delta
1 Stop
13h 15m
MDW - EZE
Delta
$464
Delta
12:10 pm - 3:00 pm
American Airlines
2 Stops
24h 50m
ORD - EZE
American Airlines

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Chicago</span> to <span class="emphasized">Buenos Aires</span> flights.

Flight FAQs

From Chicago to Buenos Aires

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 Aeromexico flying from Chicago to Buenos Aires have implemented new flexible cancellation policies.

Can I find flights from Chicago to Buenos Aires for under $700 on Cheapflights?

Yes, there are multiple flights from Chicago to Buenos Aires for under $700. The cheapest flight booked recently is on Multiple Airlines for just $658, but on average you can expect to pay $783.

Are there last-minute flights available from Chicago to Buenos Aires for under $1,000?

There are currently 20+ open flights from Chicago to Buenos Aires within the next 7 days for less than $1,000.

What are the cheapest airlines flying from Chicago to Buenos Aires round-trip?

Cheapflights users have booked flights from Chicago to Buenos Aires round-trip from $877. Other airlines that can offer you cheap pricing are Copa Airlines, from $883, and Delta, from $915. Users have found that LATAM Airlines is 17% cheaper than the other options available to this destination.

What are the cheapest flights from Chicago to Buenos Aires?

The cheapest flight price from Chicago to Buenos Aires is $693. On average you can expect to pay $1,216. The most popular route, (Chicago O'Hare Intl - Buenos Aires Ministro Pistarini), can usually be booked for $658.

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 LATAM Argentina, American Airlines or Air Canada 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.

COVID Restrictions

View COVID Travel Restrictions for Buenos Aires, Argentina

Do I need a COVID test to fly to Buenos Aires from Chicago?

Information is based on travel restrictions from Chicago to Buenos Aires

Most visitors from Chicago will not be allowed to enter Buenos Aires.

COVID-19 testing requirements
Visitors from Chicago must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Buenos Aires.

Quarantine requirements
Visitors from Chicago are not required to quarantine after entering Buenos Aires.

Documents
Contact-Tracing App - Must be downloaded for a minimum period of 14 days.


Do I need a test to fly back to Chicago from Buenos Aires?

Returning to Chicago from Buenos Aires

COVID-19 testing requirements
Visitors from Buenos Aires must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Chicago.

Quarantine requirements
Visitors from Buenos Aires are not required to quarantine after entering Chicago.

Hide COVID Travel Restrictions for Buenos Aires, Argentina

Destination information for Buenos Aires

Things to know before you go - useful duration and weather info for your trip from Chicago to Buenos Aires.
Today's exchange rate
$1 = $99.32
Average temperature for October in Buenos Aires
71.6 °F
Avg rainfall for October in Buenos Aires
4.8 ″

Airports servicing Chicago

Midway (MDW)
Rockford (RFD)

Airports servicing Buenos Aires

Buenos Aires Ministro Pistarini (EZE)
Buenos Aires Jorge Newbery (AEP)

Top 8 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.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Delta
$756 $1,065 No cancel fee N/A
Air Canada
$774 $1,102 No cancel fee 67%
Aeromexico
$787 $971 No cancel fee N/A
Aerolineas Argentinas
$897 $982 No cancel fee 59%
Copa Airlines
$930 $1,230 No cancel fee 70%
American Airlines
$960 $1,208 No cancel fee 71%
United Airlines
$1,013 $1,104 No cancel fee 69%
LATAM Argentina
$1,022 $1,114 No cancel fee 89%

We couldn't confirm the COVID-19 safety measures taken by LATAM Argentina. Please check directly on their website for additional information.

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