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Good to Know - Flights from Chicago to Buenos Aires

Good Deal:
$ 1,075.41
or less (round trip)

Cheapest Day of the Month to Book Flights



Top Tips for Finding Cheap Flights from Chicago to Buenos Aires

Looking for cheap airfare from Chicago to Buenos Aires? 25% of our users found round-trip tickets to Buenos Aires for the following price or less: $ 1,075.41 Book at least 4 weeks before departure in order to get a below-average price. Enter your preferred departure airport and travel dates into the search form above to unlock the latest Chicago to Buenos Aires flight deals.

FAQs - Booking from Chicago to Buenos Aires flights

What is the cheapest flight Chicago to Buenos Aires?:
The cheapest flight Chicago to Buenos Aires found on flyus.com in the last 72 hours was $1,075.41 round-trip.
 
 

Find cheap flights from Chicago to Buenos Aires and book discounted airfare from different cities all over the United States. Explore airline ticket deals on flight routes all over the World! At Flyus, we take pride in helping you discover and book the best flight deals for your next trip at the cheapest price. We make booking flights from different departures easy and provide you with peace of mind with our Best Purchase Guarantee.

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Cheapest Flights
from Chicago, United States (ORD) to:

  • Buenos Aires, Argentina (AEP)
    Oct 29, 25 - Nov 09, 25
    $1,075.41
    Search

  • Buenos Aires, Argentina (AEP)
    Apr 28, 25 - May 12, 25
    $1,075.41
    Search

  • Buenos Aires, Argentina (AEP)
    Mar 10, 25 - Mar 18, 25
    $1,101.41
    Search

  • Buenos Aires, Argentina (AEP)
    Oct 12, 25 - Oct 31, 25
    $1,126.01
    Search

  • Buenos Aires, Argentina (AEP)
    Mar 15, 25 - Mar 25, 25
    $1,149.90
    Search