$151 Find Cheap Flights from Illinois 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 to Buenos Aires departing on 11/30. 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

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Cheap Flights from Illinois to Buenos Aires

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois 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 Illinois to Buenos Aires

Sun, Oct 5 - Tue, Oct 14
Logo
10:27 am - 5:30 pmORD-AEP
29h 03m3 stops
Logo
10:30 am - 11:45 pmAEP-ORD
39h 15m3 stops
$805
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Sun, Nov 23 - Fri, Nov 28
Arajet Logo
3:30 am - 8:15 pmORD-EZE
13h 45m1 stop
Arajet Logo
9:15 pm - 8:57 amEZE-ORD
14h 42m1 stop
$815Arajet
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Mon, Oct 27 - Mon, Nov 17
Air Canada Logo
9:20 pm - 3:10 pmORD-EZE
39h 50m2 stops
Air Canada Logo
4:45 pm - 7:30 pmEZE-ORD
29h 45m2 stops
$876Air Canada
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Sat, Nov 15 - Sat, Nov 22
Air Canada Logo
3:35 pm - 3:10 pmORD-EZE
20h 35m2 stops
Air Canada Logo
4:45 pm - 11:18 amEZE-ORD
21h 33m2 stops
$905Air Canada
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Wed, Nov 5 - Wed, Dec 10
Copa Airlines Logo
6:56 am - 1:00 amORD-EZE
15h 04m1 stop
Copa Airlines Logo
9:03 am - 12:05 amEZE-ORD
18h 02m1 stop
$918Copa Airlines
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Fri, Sep 5 - Thu, Sep 18
Copa Airlines Logo
3:07 pm - 10:08 pmORD-EZE
29h 01m1 stop
Copa Airlines Logo
10:06 am - 12:21 amEZE-ORD
16h 15m1 stop
$926Copa Airlines
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Wed, Sep 10 - Sun, Sep 14
Avianca Logo
2:35 pm - 4:25 amORD-EZE
35h 50m2 stops
Avianca Logo
5:55 am - 1:15 pmEZE-ORD
33h 20m2 stops
$929Avianca
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Fri, Sep 5 - Wed, Sep 17
Avianca Logo
2:35 pm - 5:45 amORD-EZE
13h 10m1 stop
Avianca Logo
1:40 am - 1:15 pmEZE-ORD
13h 35m1 stop
$945Avianca
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Tue, Oct 28 - Fri, Nov 14
LATAM Airlines Logo
10:35 am - 6:20 amMDW-EZE
17h 45m2 stops
LATAM Airlines Logo
2:45 pm - 9:51 amEZE-MDW
22h 06m2 stops
$963LATAM Airlines
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Wed, Oct 8 - Mon, Oct 20
LATAM Airlines Logo
5:04 pm - 4:05 pmMDW-AEP
21h 01m2 stops
LATAM Airlines Logo
5:00 pm - 9:40 amAEP-MDW
18h 40m2 stops
$1,015LATAM Airlines
Find Deal
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Good to know

Low seasonApril
Best time to beat the crowds with an average 8% drop in price.
Most popular time to fly with an average 16% increase in price.

FAQs for booking flights from Illinois to Buenos Aires

  • How does KAYAK find such low prices on flights from Illinois 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 Illinois to Buenos Aires.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Buenos Aires from Illinois 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 Illinois 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 Illinois with another airline.

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

Cabin class types available on flights to Illinois

Cabin classes available on flights to Buenos Aires. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
First Class flights to Buenos Aires
Business Class flights to Buenos Aires
Prem Econ Class flights to Buenos Aires
Economy Class flights to Buenos Aires

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