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 6/29. 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.
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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
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Cheap Flights from Chicago to Buenos Aires

 
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.

Recent round-trip flight deals from Chicago to Buenos Aires

KAYAK's recommended round-trip deals from the most popular airlines that fly from Chicago to Buenos Aires.
Discover the best prices for you by selecting your travel dates on KAYAK.
 Logo
3:45 pm - 4:40 amORD-AEP
34h 55m3 stops
 Logo
4:25 pm - 12:05 amAEP-ORD
33h 40m3 stops
Wed, Jun 4 - Sun, Jun 8
 Logo
5:05 am - 12:40 pmORD-AEP
29h 35m3 stops
 Logo
1:25 pm - 3:05 pmAEP-ORD
27h 40m3 stops
Thu, Jun 5 - Mon, Jun 9
Avianca Logo
5:25 pm - 5:40 amORD-AEP
34h 15m2 stops
Avianca Logo
7:00 am - 2:25 pmAEP-ORD
33h 25m3 stops
$975Avianca
Find Deal
Thu, Jul 10 - Thu, Aug 14
LATAM Airlines Logo
1:30 pm - 2:40 pmORD-AEP
23h 10m2 stops
LATAM Airlines Logo
5:00 pm - 10:02 amAEP-ORD
19h 02m2 stops
$1,025LATAM Airlines
Find Deal
Thu, Jul 10 - Thu, Aug 14
Avianca Logo
3:45 pm - 5:40 amORD-AEP
35h 55m2 stops
Avianca Logo
7:00 am - 1:15 pmAEP-ORD
32h 15m1 stop
$1,061Avianca
Find Deal
Fri, Aug 15 - Fri, Aug 22
LATAM Airlines Logo
6:15 pm - 5:00 pmMDW-AEP
20h 45m2 stops
LATAM Airlines Logo
10:55 pm - 9:47 pmAEP-MDW
24h 52m2 stops
$1,091LATAM Airlines
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Mon, Aug 18 - Wed, Aug 27
GOL Logo
11:45 am - 1:00 pmORD-AEP
23h 15m2 stops
GOL Logo
3:40 am - 5:04 pmAEP-ORD
39h 24m2 stops
$1,325GOL
Find Deal
Mon, Jul 7 - Sat, Jul 12
GOL Logo
2:42 pm - 1:00 pmORD-AEP
20h 18m2 stops
GOL Logo
3:40 am - 9:25 pmAEP-ORD
19h 45m2 stops
$1,383GOL
Find Deal
Wed, May 28 - Tue, Jun 3
Delta Logo
4:15 pm - 1:20 pmMDW-AEP
19h 05m2 stops
Delta Logo
2:40 pm - 9:41 amAEP-MDW
21h 01m2 stops
$3,285Delta
Find Deal
Wed, Jun 4 - Sun, Jun 8
Delta Logo
6:31 pm - 1:20 pmMDW-AEP
16h 49m2 stops
Delta Logo
2:40 pm - 9:41 amAEP-MDW
21h 01m2 stops
$4,875Delta
Find Deal
Mon, Jun 2 - Mon, Jun 30
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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 Avianca ($975) and LATAM Airlines ($1,025).

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 $805 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.

  • Which airline alliances offer flights from Chicago to Buenos Aires?

    Star Alliance, and SkyTeam are the airline alliances operating flights between Chicago and Buenos Aires, with SkyTeam being the most commonly used for this 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

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