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>

$306 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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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.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Illinois to Buenos Aires

KAYAK's recommended round-trip deals from the most popular airlines that fly from Illinois to Buenos Aires.

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

3:07 pm - 12:51 amORD-EZE

31h 44m1 stop

2:32 pm - 1:47 pmEZE-ORD

25h 15m1 stop

$677Copa Airlines

Find Deal

Tue, Jun 3 - Tue, Jun 10

7:54 am - 4:12 amORD-EZE

18h 18m1 stop

2:32 pm - 1:47 pmEZE-ORD

25h 15m1 stop

$679Copa Airlines

Find Deal

Wed, Jun 4 - Sun, Jun 8

7:54 am - 6:40 amORD-AEP

20h 46m2 stops

12:05 am - 1:47 pmAEP-ORD

39h 42m2 stops

$696

Find Deal

Wed, Jun 4 - Sat, Jun 7

5:25 pm - 12:10 amORD-EZE

28h 45m2 stops

1:40 am - 4:05 pmEZE-ORD

16h 25m2 stops

$722Avianca

Find Deal

Tue, Jun 17 - Mon, Jun 23

7:54 am - 12:40 pmORD-AEP

26h 46m2 stops

10:20 am - 1:47 pmAEP-ORD

29h 27m2 stops

$723

Find Deal

Wed, Jun 4 - Sun, Jun 8

5:25 pm - 12:10 amORD-EZE

28h 45m2 stops

1:40 am - 4:05 pmEZE-ORD

16h 25m2 stops

$730Avianca

Find Deal

Tue, Jun 17 - Mon, Jun 23

3:35 pm - 2:30 pmORD-EZE

20h 55m2 stops

4:35 pm - 2:47 pmEZE-ORD

24h 12m2 stops

$911Air Canada

Find Deal

Tue, May 27 - Thu, Jun 5

2:00 pm - 2:30 pmORD-EZE

22h 30m2 stops

4:35 pm - 9:52 amEZE-ORD

19h 17m2 stops

$912Air Canada

Find Deal

Wed, May 28 - Wed, Jun 4

10:35 am - 9:45 amMDW-EZE

21h 10m1 stop

8:10 pm - 9:51 amEZE-MDW

15h 41m1 stop

$1,020Delta

Find Deal

Mon, Aug 11 - Tue, Aug 19

1:05 pm - 9:45 amMDW-EZE

18h 40m1 stop

8:10 pm - 4:23 pmEZE-MDW

22h 13m1 stop

$1,025Delta

Find Deal

Tue, Sep 30 - Tue, Oct 7

Useful Info

Low season	April
High season	December
Cheapest flight	$306

Best time to beat the crowds with an average 3% drop in price.

Most popular time to fly with an average 16% 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

Prem Econ Class flights to Buenos Aires

Economy Class flights to Buenos Aires

$306 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