Cheap flights from Chicago O'Hare to Buenos Aires

Flights tailored to your budget

Selected dates may not give results due to COVID-19. We suggest you change the dates.
Multi-city Round trip One way
Round trip
One way
Multi-city
From
No results match your search criteria
To
No results match your search criteria
{{ weekDay }}
Dates
{{ panel.label }}
Looking for a one-way flight?

Flexible dates can save you money

Explore nearby dates to find lower fares

{{ fromDate | dateToLongNamedDate }}
?
Flexible dates
Depart {{ flexibleFromDateLabel }}
{{ option.label }}
?
Return {{ flexibleToDateLabel }}
{{ option.label }}
Passengers / Class
Number of passengers
Adults
{{ adults }}
Children
{{ children }}
Infants
{{ infants }}
Class
Economy
Available for Economy only
New Multi-city experience

Discover a new Multi-city search experience from Jetcost, designed to handle more complex itineraries. By continuing, you’ll be taken to a dedicated page powered by Kiwi.com.

Cheap Chicago O'Hare - Buenos Aires flight offers

Find cheap flight tickets and last-minute flight deals from Chicago O'Hare to Buenos Aires

Copa Airlines
Fri, 11/20 (ORD) Chicago -> (BUE) Buenos Aires
Copa Airlines
Fri, 11/27 (BUE) Buenos Aires -> (ORD) Chicago
Price found 12 days ago
from $456

Info about flights from Chicago O'Hare to Buenos Aires

Some useful info about flights from Chicago O'Hare to Buenos Aires to help you plan your next trip

Average flight duration 11h 46m
Cheapest month February
Average number of flights per week 1
First flight time 00:33
Last flight time 23:58
How do we get the info you see here? Please note that we offer an online comparison service and that all information and prices regarding services and/or products available on our website are provided by our third-party partners. We do our best to show you up-to-date information, but please note that we are not responsible for the completeness or accuracy of the information published, so please check all conditions carefully on the website of the partner before making a booking. Please check our Terms and Conditions for more details. Read more

Top airlines on the route Chicago O'Hare - Buenos Aires

Airlines providing flights to Buenos Aires from Chicago O'Hare

Copa Airlines
Copa Airlines
DELTA
DELTA

How much is a flight from Chicago O'Hare to Buenos Aires?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Chicago and Buenos Aires.

Pick a travel date to see today’s available fares.

Fares change often — checking several times throughout the week can make a big difference. Booking in advance often means access to lower prices for the Chicago O'Hare - Buenos Aires route.

Which airports serve Chicago and Buenos Aires?

When planning a trip of about 5612 mi, it's a good idea to check flights from surrounding airports too.

  • Airports in Chicago: Chicago is connected to 3 airports - Midway, O'Hare, Rockford.
  • Airports in Buenos Aires: Buenos Aires offers flights from 3 airports - El Palomar, Jorge Newbery, Ministro Pistarini.

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Flights from Chicago - O'Hare to Buenos Aires

Plan smarter: flights from Chicago O'Hare to Buenos Aires

Find the flight that fits your plans with Jetcost. You can filter results by stops, agencies, budget, time of day, and airline — all in one search.

Other popular destinations

Travelers flying to Argentina also checked out: Buenos Aires, Córdoba, Iguazu, Mendoza, San Carlos de Bariloche.

Comparing offers from multiple agencies helps you find the best price for the same route. You can also spot exclusive deals from individual airlines right in the results list.
Frequently Asked Questions

Frequently asked questions about flights from Chicago O'Hare to Buenos Aires.

How much does an airline ticket from Chicago O'Hare to Buenos Aires cost?

Flight prices can vary a lot depending on the period and destination. At the moment, this information is not available for flights from Chicago O'Hare to Buenos Aires.

How far is Chicago from Buenos Aires?

Chicago is about 5612 mi from Buenos Aires.

What are the airports in Buenos Aires?

Buenos Aires has 3 airports: El Palomar, Jorge Newbery, Ministro Pistarini.

What are the airports in Chicago?

Chicago has 3 airports: Midway, O'Hare, Rockford.

What are the most popular cities in Argentina?

The most popular cities in Argentina according to our users' searches are: Buenos Aires, Córdoba, Iguazu, Mendoza, San Carlos de Bariloche.

When should I book a flight from Chicago to Buenos Aires?

The best time to book a flight from Chicago to Buenos Aires is 4 months in advance, while the worst time is 21 weeks in advance.

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

The cheapest month to fly from Chicago to Buenos Aires is February.

What is the most expensive month to fly from Chicago to Buenos Aires?

The most expensive month to fly from Chicago to Buenos Aires is May.

What is the best day of the week to fly from Chicago to Buenos Aires?

For flights from Chicago to Buenos Aires Thursday is on average the cheapest day to fly, while Thursday is the most expensive day to fly.