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
59 - 84.2 °F
BUE
Rainfall
1.6 - 4.8 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 to Buenos Aires

One-way from

$473

One-way flight from Chicago to Buenos Aires

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Chicago to Buenos Aires?

Leaving on a Monday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 5% on the overall cost on flights from Chicago to Buenos Aires.

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

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 17 days in advance, which can save you up to 8% on flights from Chicago to Buenos Aires compared to booking the week you need them. Waiting 17 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $955. For sooner than that we have options available in the next 3 days from $1,073.

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 $933 for the month, but tickets can be as low as $558. 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)?

It’s optimal to fly from Chicago to Buenos Aires in the evening. By choosing this option you can save up to 16% on the cost of your flight, compared to a flight in the morning.

Cheap flights from Chicago to Buenos Aires in June, July 2021

The best prices found for CHI to BUE flights for June, July
31 Jul - 10 Aug
$989pp
ORD
Chicago O'Hare Intl
Multiple Airlines
   
2 STOPS
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
Multiple Airlines
     
3 STOPS
ORD
Chicago O'Hare Intl
31 Jul - 12 Aug
$998pp
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
17 Jul - 26 Jul
$1,031pp
ORD
Chicago O'Hare Intl
Multiple Airlines
   
2 STOPS
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
Multiple Airlines
     
3 STOPS
ORD
Chicago O'Hare Intl

Chicago to Buenos Aires 2021 flight deals

Cheap flights to Buenos Aires from Chicago found for this year
14 Sep - 22 Oct
$795pp
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
28 Sep - 3 Oct
$795pp
MDW
Chicago Midway
Delta
 
1 STOP
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
Delta
 
1 STOP
MDW
Chicago Midway
1 Nov - 1 Dec
$797pp
ORD
Chicago O'Hare Intl
American Airlines
   
2 STOPS
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
American 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
23 Jun - 13 Jul
$1,520pp
ORD
Chicago O'Hare Intl
Multiple Airlines
   
2 STOPS
EZE
Buenos Aires Ministro Pistarini
EZE
Buenos Aires Ministro Pistarini
Multiple Airlines
     
3 STOPS
ORD
Chicago O'Hare Intl
23 Jun - 13 Jul
$1,544pp
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
23 Jun - 13 Jul
$1,547pp
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

One-way flights to Buenos Aires from Chicago

The cheapest one-way flights from Chicago to Buenos Aires
2:00 pm - 3:52 am
American Airlines
2 Stops
35h 52m
ORD - EZE
American Airlines
11:35 am - 5:20 pm
Aeromexico
1 Stop
27h 45m
ORD - EZE
Aeromexico
3:00 pm - 2:30 am
Delta
2 Stops
33h 30m
MDW - EZE
Delta
$595
Delta

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

Are flight prices decreasing from Chicago to Buenos Aires due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Chicago and Buenos Aires for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

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 $800 on Cheapflights?

Yes, there are multiple flights from Chicago to Buenos Aires for under $800. The cheapest flight booked recently is on Delta for just $795, but on average you can expect to pay $818.

Are there nonstop flights from Chicago to Buenos Aires for under $800 on Cheapflights?

There are no nonstop flights from Chicago to Buenos Aires, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from Chicago to Buenos Aires for under $1,600?

There are currently 14+ open flights from Chicago to Buenos Aires within the next 7 days for less than $1,600.

Is Chicago weather warmer or cooler than Buenos Aires?

Temperatures around the 84 °F's can be experienced in January. The weather in Buenos Aires is hotter than in Chicago. Plan for potential changes in flight availability as peak weather approaches in this location.

How long is the flight from Chicago to Buenos Aires?

Delta, American Airlines, and Aeromexico can get you from Chicago to Buenos Aires in just under 13h 31m. Your travel time can differ by up to 5h 33m. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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 $795. Other airlines that can offer you cheap pricing are American Airlines, from $797, and Air Canada, from $842. These flights start at 25% lower than the current average price 3 months from now.

What are the cheapest airlines to fly from Chicago to Buenos Aires one-way?

$403 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Delta and Aeromexico, with prices starting from $404 and $570, respectively.

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 = $95.25
Average temperature for June in Buenos Aires
60.8 °F
Avg rainfall for June in Buenos Aires
1.8 ″

Airports servicing Chicago

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
Aeromexico
$787 $971 No cancel fee N/A
Aerolineas Argentinas
$897 $982 No cancel fee 59%
Delta
$756 $1,065 No cancel fee N/A
Air Canada
$774 $1,102 No cancel fee 67%
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.

American Airlines
$960 $1,208 No cancel fee 71%
Copa Airlines
$930 $1,230 No cancel fee 70%
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