CHI - AEP

$311 Find Cheap Flights from Chicago to Buenos Aires

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Chicago to Buenos Aires departing on 3/25. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Buenos Aires Jorge Newbery Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to Buenos Aires, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Chicago to Buenos Aires, as well as popular online travel agencies
Travelers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Chicago to Buenos Aires (CHI-AEP)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Chicago to Buenos Aires that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Chicago to Buenos Aires

Wed, Nov 19 - Thu, Dec 4
Multiple Airlines Logo
5:10 am - 7:55 amORD-AEP
23h 45m3 stops
Multiple Airlines Logo
9:30 pm - 6:36 pmAEP-ORD
24h 06m3 stops
$770Multiple Airlines
Find Deal
Wed, Feb 25 - Sun, Mar 1
Multiple Airlines Logo
5:45 am - 10:00 amORD-AEP
25h 15m2 stops
Multiple Airlines Logo
1:50 pm - 12:30 pmAEP-ORD
25h 40m3 stops
$781Multiple Airlines
Find Deal
Thu, Nov 13 - Thu, Nov 20
LATAM Airlines Logo
5:23 am - 7:55 amORD-AEP
23h 32m2 stops
LATAM Airlines Logo
8:50 am - 10:19 amAEP-ORD
28h 29m2 stops
$786LATAM Airlines
Find Deal
Wed, Dec 3 - Tue, Dec 9
LATAM Airlines Logo
6:45 am - 7:55 amORD-AEP
22h 10m2 stops
LATAM Airlines Logo
2:55 pm - 12:43 pmAEP-ORD
24h 48m2 stops
$791LATAM Airlines
Find Deal
Wed, Nov 26 - Wed, Dec 3
Multiple Airlines Logo
4:58 pm - 12:40 pmORD-AEP
40h 42m3 stops
Multiple Airlines Logo
9:50 am - 6:36 pmAEP-ORD
35h 46m3 stops
$798Multiple Airlines
Find Deal
Wed, Jan 21 - Wed, Feb 18
Multiple Airlines Logo
8:41 am - 8:40 pmORD-AEP
32h 59m3 stops
Multiple Airlines Logo
9:50 am - 12:30 pmAEP-ORD
29h 40m3 stops
$800Multiple Airlines
Find Deal
Wed, Feb 25 - Sun, Mar 1
Multiple Airlines Logo
5:45 am - 10:00 amORD-AEP
25h 15m2 stops
Multiple Airlines Logo
5:10 pm - 10:06 pmAEP-ORD
31h 56m2 stops
$801Multiple Airlines
Find Deal
Sun, Dec 28 - Wed, Jan 7
LATAM Airlines Logo
4:13 pm - 2:40 pmORD-AEP
19h 27m2 stops
LATAM Airlines Logo
6:20 pm - 10:59 amAEP-ORD
19h 39m2 stops
$811LATAM Airlines
Find Deal
Mon, Dec 8 - Mon, Dec 15
Avianca Logo
10:20 pm - 5:40 amORD-AEP
28h 20m1 stop
Avianca Logo
7:00 am - 8:20 pmAEP-ORD
16h 20m1 stop
$868Avianca
Find Deal
Sun, Nov 16 - Thu, Nov 20
Avianca Logo
10:20 pm - 5:40 amORD-AEP
28h 20m1 stop
Avianca Logo
7:00 am - 8:20 pmAEP-ORD
16h 20m1 stop
$888Avianca
Find Deal

Everything you should know

Cheapest round-trip
$770
Multiple Airlines
Wed 11/19Thu 12/4
ORD - AEP • 3 stops
Cheapest one-way
$311
Multiple Airlines
Wed 3/25
ORD - AEP • 2 stops
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Buenos Aires!
Booking Insights

KAYAK's insights & trends for Chicago to Buenos Aires flights

Get data-powered insights and trends into flights from Chicago to Buenos Aires to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Chicago to Buenos Aires?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Chicago to Buenos Aires were found on LATAM Airlines ($786) and Avianca ($868).

Find deals

When to book flights from Chicago to Buenos Aires

Are your dates flexible? Find out the best times to travel from Chicago to Buenos Aires based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Chicago to Buenos Aires flights

  • What is the cheapest flight from Chicago to Buenos Aires Jorge Newbery Airport?

    In the last 3 days, the lowest price for a flight from Chicago to Buenos Aires Jorge Newbery Airport was $311 for a one-way ticket and $770 for a round-trip.

  • Do I need a passport to fly between Chicago and Buenos Aires?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Chicago and on arrival in Buenos Aires.

  • Which aircraft models fly most regularly from Chicago to Buenos Aires?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Chicago to Buenos Aires?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Chicago to Buenos Aires.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Chicago to Buenos Aires?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Buenos Aires from Chicago is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Chicago to Buenos Aires?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Buenos Aires with an airline and back to Chicago with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Chicago to Buenos Aires?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Buenos Aires from Chicago up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Chicago to Buenos Aires

Information on your arrival and departure airports

Jorge Newbery (AEP)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.