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>

$288 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

Mon, May 4 - Thu, May 21

4:30 am - 8:15 pm

ORD

EZE

13h 45m

1 stop

5:00 am - 11:56 pm

EZE

ORD

20h 56m

2 stops

$845Multiple Airlines

Wed, Apr 29 - Wed, May 6

7:15 pm - 5:05 am

ORD

EZE

31h 50m

3 stops

12:28 pm - 9:20 pm

EZE

ORD

34h 52m

3 stops

$853Multiple Airlines

Mon, Apr 13 - Sun, Apr 26

4:30 am - 8:15 pm

ORD

EZE

13h 45m

1 stop

8:40 am - 10:10 pm

EZE

ORD

15h 30m

1 stop

$864Arajet

Fri, Aug 14 - Sun, Aug 23

6:45 am - 3:23 am

ORD

EZE

18h 38m

2 stops

8:40 am - 10:10 pm

EZE

ORD

15h 30m

1 stop

$865Arajet

Thu, May 21 - Wed, May 27

12:53 pm - 11:30 am

MDW

EZE

20h 37m

2 stops

1:10 pm - 10:00 am

EZE

MDW

22h 50m

2 stops

$876LATAM Airlines

Mon, May 11 - Mon, May 18

5:10 pm - 4:00 pm

MDW

AEP

20h 50m

2 stops

2:55 pm - 10:00 am

AEP

MDW

21h 05m

2 stops

$949LATAM Airlines

Wed, May 13 - Wed, May 20

5:10 pm - 9:20 am

MDW

EZE

14h 10m

2 stops

8:10 pm - 12:42 pm

EZE

MDW

18h 32m

2 stops

$1,051Delta

Wed, Apr 15 - Wed, Apr 22

10:41 am - 7:40 am

MDW

AEP

18h 59m

2 stops

8:05 pm - 4:26 pm

AEP

MDW

22h 21m

2 stops

$1,103Delta

Wed, May 13 - Wed, May 20

2:15 pm - 2:30 pm

STL

EZE

22h 15m

2 stops

4:35 pm - 12:06 pm

EZE

STL

21h 31m

2 stops

$1,123Air Canada

Wed, May 13 - Wed, May 20

1:05 pm - 2:30 pm

STL

EZE

23h 25m

2 stops

4:35 pm - 8:25 pm

EZE

STL

53h 50m

3 stops

$1,152Air Canada

Useful Info

Low season	February
High season	December

Best time to beat the crowds but there is an average 1% increase in price.

Most popular time to fly with an average 3% increase in price.

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

$288 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