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>

Cheap Flights from Illinois to Buenos Aires from $294

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

...and more

In the last 7 days travelers have searched 42,830,901 times on KAYAK, and here is why:

Save 22% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Bundle and saveSave money when you bundle your flight + hotel.

Low season	July
High season	December
Cheapest flight	$294

Best time to beat the crowds with an average 2% drop in price.

Most popular time to fly with an average 44% increase in price.

Flight from Chicago O'Hare Airport 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.

See more FAQs

Nonstop departures

Illinois to Buenos Aires

Monday

Aerolineas Argentinas, Aeromexico, Air Canada, +33 more

Aerolineas Argentinas, Aeromexico, +34 more

Tuesday

Aerolineas Argentinas, Aeromexico, Air Europa, +31 more

Aerolineas Argentinas, Aeromexico, +32 more

Wednesday

Aerolineas Argentinas, Aeromexico, Air Canada, +33 more

Aerolineas Argentinas, Aeromexico, +34 more

Thursday

Aerolineas Argentinas, Aeromexico, Air Canada, +32 more

Aerolineas Argentinas, Aeromexico, +33 more

Friday

Aerolineas Argentinas, Aeromexico, Air Europa, +32 more

Aerolineas Argentinas, Aeromexico, +33 more

Saturday

Aerolineas Argentinas, Aeromexico, Air Canada, +31 more

Aerolineas Argentinas, Aeromexico, +32 more

Sunday

Aerolineas Argentinas, Aeromexico, Air Europa, +32 more

Aerolineas Argentinas, Aeromexico, +33 more

See more direct flights

Nonstop returns

Buenos Aires to Illinois

Monday

Aerolineas Argentinas, Aeromexico, Air Canada, +33 more

Aerolineas Argentinas, Aeromexico, +34 more

Tuesday

Aerolineas Argentinas, Aeromexico, Air Europa, +31 more

Aerolineas Argentinas, Aeromexico, +32 more

Wednesday

Aerolineas Argentinas, Aeromexico, Air Canada, +33 more

Aerolineas Argentinas, Aeromexico, +34 more

Thursday

Aerolineas Argentinas, Aeromexico, Air Canada, +32 more

Aerolineas Argentinas, Aeromexico, +33 more

Friday

Aerolineas Argentinas, Aeromexico, Air Europa, +32 more

Aerolineas Argentinas, Aeromexico, +33 more

Saturday

Aerolineas Argentinas, Aeromexico, Air Canada, +31 more

Aerolineas Argentinas, Aeromexico, +32 more

Sunday

Aerolineas Argentinas, Aeromexico, Air Europa, +32 more

Aerolineas Argentinas, Aeromexico, +33 more

See more direct flights

Book cheap flights from Illinois to Buenos Aires

Recent round-trip flight deals

6/5Wed

3 stops

22h 06mORD-EZE

6/18Tue

3 stops

40h 52mEZE-ORD

$796

6/1Sat

3 stops

31h 40mORD-EZE

6/7Fri

2 stops

23h 13mEZE-ORD

$820

5/15Wed

1 stopAeromexico

17h 09mORD-EZE

5/29Wed

1 stopAeromexico

26h 49mEZE-ORD

$898

6/19Wed

1 stopAeromexico

35h 23mORD-EZE

6/27Thu

2 stopsAeromexico

41h 00mEZE-ORD

$939

5/16Thu

1 stopCopa Airlines

14h 59mORD-EZE

6/6Thu

1 stopCopa Airlines

21h 48mEZE-ORD

$1,002

5/27Mon

1 stopDelta

12h 52mMDW-EZE

8/19Mon

1 stopDelta

17h 53mEZE-MDW

$1,014

9/2Mon

1 stopDelta

13h 45mORD-EZE

9/16Mon

2 stopsDelta

18h 24mEZE-ORD

$1,014

7/10Wed

2 stopsAmerican Airlines

17h 20mORD-EZE

8/7Wed

1 stopAmerican Airlines

20h 56mEZE-ORD

$1,017

8/12Mon

1 stopAmerican Airlines

22h 36mORD-EZE

8/20Tue

1 stopAmerican Airlines

21h 56mEZE-ORD

$1,024

8/30Fri

1 stopCopa Airlines

17h 46mORD-EZE

9/9Mon

1 stopCopa Airlines

15h 39mEZE-ORD

$1,027

Recent one-way flight deals

6/18Tue

2 stops

18h 44mORD-EZE

$294

6/17Mon

3 stops

26h 15mORD-AEP

$307

6/18Tue

3 stops

32h 09mORD-EZE

$316

6/18Tue

1 stopDelta

19h 00mMDW-EZE

$717

6/18Tue

1 stopDelta

16h 05mORD-EZE

$717

6/17Mon

2 stopsLATAM Airlines

19h 11mMDW-AEP

$727

6/21Fri

2 stopsLATAM Airlines

17h 34mMDW-EZE

$1,166

6/16Sun

1 stopAeromexico

17h 09mORD-EZE

$1,512

10/31Thu

2 stopsAmerican Airlines

17h 11mORD-EZE

$4,681

10/31Thu

1 stopAmerican Airlines

34h 36mORD-EZE

$4,767

Last minute flights from Illinois to Buenos Aires

Last minute flight, train and bus deals

5/7Tue

multi-stopDelta

18h 58mMDW-EZE

5/27Mon

multi-stopDelta

13h 55mEZE-MDW

$1,014

5/7Tue

multi-stopDelta

19h 28mORD-EZE

5/27Mon

multi-stopDelta

17h 49mEZE-ORD

$1,014

5/7Tue

multi-stopAmerican Airlines

15h 15mORD-EZE

5/27Mon

multi-stopAmerican Airlines

21h 31mEZE-ORD

$1,017

5/7Tue

multi-stopLATAM Airlines

17h 58mORD-AEP

5/27Mon

multi-stopLATAM Airlines

28h 25mAEP-ORD

$1,034

5/8Wed

multi-stop

24h 40mORD-EZE

5/9Thu

multi-stop

24h 49mEZE-ORD

$1,036

5/8Wed

multi-stopAmerican Airlines

19h 00mORD-EZE

5/26Sun

multi-stopAmerican Airlines

21h 31mEZE-ORD

$1,042

5/8Wed

multi-stop

24h 40mORD-EZE

5/9Thu

multi-stop

23h 54mEZE-ORD

$1,071

5/6Mon

multi-stopAeromexico

17h 09mORD-EZE

5/27Mon

multi-stopAeromexico

17h 02mEZE-ORD

$1,109

5/8Wed

multi-stopLATAM Airlines

31h 50mORD-AEP

5/26Sun

multi-stopLATAM Airlines

20h 08mAEP-ORD

$1,124

5/7Tue

multi-stopAeromexico

17h 09mORD-EZE

5/26Sun

multi-stopAeromexico

32h 08mEZE-ORD

$1,282

Flights to Buenos Aires

Return flight deals:

Buenos Aires - Illinois

Cabin classes:

Browse origins:

$1,537

Flights from Bloomington, Illinois to Buenos Aires

$730

Flights from Chicago to Buenos Aires

$814

Flights from St. Louis to Buenos Aires

Browse destinations:

$749

Flights to Buenos Aires Jorge Newbery Airport, Buenos Aires

$730

Flights to Buenos Aires Ministro Pistarini Airport, Buenos Aires

Find cheap flights from Illinois to Buenos Aires from $294

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 6/18. 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.

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

Good to know

Low season

High season

Cheapest flight

FAQs for booking flights from Illinois to Buenos Aires

How does KAYAK find such low prices 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?

What is the Hacker Fare option on flights from Illinois to Buenos Aires?

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

Prefer to fly non-stop from Illinois to Buenos Aires?

Illinois to Buenos Aires

Buenos Aires to Illinois

Book cheap flights from Illinois to Buenos Aires

Recent round-trip flight deals

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Last minute flights from Illinois to Buenos Aires

Last minute flight, train and bus deals

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Flights to Buenos Aires

Return flight deals:

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