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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$202 CHEAP FLIGHTS from Illinois to Buenos Aires

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

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Flight Deals

Cheap Flights from Illinois to Buenos Aires

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Illinois to Buenos Aires

Sat, Oct 24 - Sat, Oct 31

12:12 pm - 4:10 am

ORD

EZE

13h 58m

1 stop

9:15 pm - 10:20 pm

EZE

ORD

27h 05m

1 stop

$793Arajet

Mon, Oct 12 - Sat, Oct 24

5:30 am - 8:15 am

ORD

EZE

24h 45m

1 stop

9:15 pm - 10:10 pm

EZE

ORD

26h 55m

1 stop

$801Arajet

Sun, Nov 1 - Sun, Nov 8

11:58 pm - 10:00 am

ORD

EZE

31h 02m

3 stops

8:40 am - 9:20 pm

EZE

ORD

15h 40m

1 stop

$842Multiple Airlines

Mon, Jul 13 - Tue, Jul 28

4:30 am - 8:15 pm

ORD

EZE

13h 45m

1 stop

7:21 pm - 5:06 pm

EZE

ORD

23h 45m

2 stops

$859Multiple Airlines

Mon, May 25 - Wed, May 27

12:53 pm - 9:40 am

MDW

EZE

18h 47m

2 stops

8:10 pm - 11:56 am

EZE

MDW

17h 46m

1 stop

$911LATAM Airlines

Mon, May 25 - Wed, May 27

6:23 am - 9:45 am

MDW

EZE

25h 22m

1 stop

8:10 pm - 4:12 pm

EZE

MDW

22h 02m

1 stop

$915Delta

Mon, May 25 - Wed, May 27

6:23 am - 9:45 am

MDW

EZE

25h 22m

1 stop

1:10 pm - 10:00 am

EZE

MDW

22h 50m

2 stops

$919Delta

Sun, May 24 - Thu, May 28

8:10 am - 7:40 am

ORD

AEP

21h 30m

2 stops

7:20 pm - 5:49 pm

AEP

ORD

24h 29m

2 stops

$932LATAM Airlines

Mon, Jul 27 - Mon, Aug 10

5:33 pm - 8:00 am

STL

EZE

36h 27m

2 stops

9:00 pm - 2:28 pm

EZE

STL

19h 28m

2 stops

$1,151United Airlines

Sat, Jul 25 - Tue, Aug 11

7:05 pm - 8:00 am

STL

EZE

34h 55m

2 stops

9:00 pm - 10:10 am

EZE

STL

15h 10m

1 stop

$1,191United Airlines

Useful Info

Low season	September
High season	December
Cheapest flight	$202

Best time to beat the crowds with an average 6% drop in price.

Most popular time to fly with an average 2% increase in price.

Flight from Chicago 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

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Cabin class types available on flights to Illinois

First Class flights to Buenos Aires

Business Class flights to Buenos Aires

Premium Economy Class flights to Buenos Aires

Economy Class flights to Buenos Aires

$202 Find Cheap Flights from Illinois to Buenos Aires

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

Cheap Flights from Illinois to Buenos Aires

Recent round-trip flight deals from Illinois to Buenos Aires

Recent one-way flight deals from Illinois to Buenos Aires

Recent last minute flight deals from Illinois to Buenos Aires

Good to know

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

Complete your trip to Buenos Aires with a hotel stay or car rental

Find direct flights for Buenos Aires

Flights to other popular destinations

Flights from domestic origins to Buenos Aires

Choose which airport to fly into in Buenos Aires

Find deals for your return flight