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 $318

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

...and more

In the last 7 days travelers have searched 43,895,468 times on KAYAK, and here is why:

Save 21% 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	$318

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

5/28Tue

2 stopsAir Canada

21h 10mORD-EZE

7/17Wed

2 stopsAir Canada

19h 36mEZE-ORD

$849

6/8Sat

2 stops

24h 24mORD-EZE

6/14Fri

3 stops

33h 46mEZE-ORD

$850

5/28Tue

3 stopsAir Canada

25h 55mORD-EZE

6/26Wed

2 stopsAir Canada

19h 36mEZE-ORD

$855

5/20Mon

3 stops

24h 22mORD-AEP

5/28Tue

3 stops

27h 05mAEP-ORD

$857

5/28Tue

1 stopAeromexico

17h 09mORD-EZE

6/7Fri

1 stopAeromexico

17h 22mEZE-ORD

$918

5/29Wed

1 stopAeromexico

26h 51mORD-EZE

6/7Fri

1 stopAeromexico

26h 48mEZE-ORD

$919

10/1Tue

1 stopDelta

19h 44mSTL-EZE

10/22Tue

2 stopsDelta

19h 25mEZE-STL

$1,000

11/4Mon

1 stopCopa Airlines

17h 54mORD-EZE

11/26Tue

1 stopCopa Airlines

15h 45mEZE-ORD

$1,002

11/5Tue

1 stopDelta

16h 30mORD-EZE

11/25Mon

1 stopDelta

25h 25mEZE-ORD

$1,014

10/6Sun

1 stopCopa Airlines

14h 37mORD-EZE

10/18Fri

1 stopCopa Airlines

23h 39mEZE-ORD

$1,052

Recent one-way flight deals

6/19Wed

3 stops

22h 06mORD-EZE

$318

6/8Sat

2 stops

49h 28mORD-EZE

$325

7/21Sun

3 stopsAvianca

34h 35mORD-EZE

$502

6/5Wed

3 stopsAvianca

30h 05mORD-EZE

$572

10/12Sat

2 stopsGOL

30h 55mORD-AEP

$620

10/12Sat

2 stopsGOL

23h 10mORD-EZE

$655

10/12Sat

3 stopsAir Canada

42h 15mORD-EZE

$668

10/10Thu

2 stopsDelta

18h 04mMDW-EZE

$713

10/13Sun

2 stopsDelta

22h 15mORD-EZE

$713

7/31Wed

3 stopsAir Canada

30h 50mORD-EZE

$2,429

Last minute flights from Illinois to Buenos Aires

Last minute flight, train and bus deals

5/11Sat

multi-stopDelta

15h 30mORD-EZE

5/18Sat

multi-stopDelta

21h 31mEZE-ORD

$1,064

5/11Sat

multi-stopDelta

21h 31mMDW-EZE

5/18Sat

multi-stopDelta

21h 36mEZE-MDW

$1,068

5/11Sat

multi-stop

29h 54mORD-EZE

5/15Wed

multi-stop

23h 49mEZE-ORD

$1,128

5/13Mon

multi-stop

40h 55mORD-AEP

5/18Sat

multi-stop

25h 22mAEP-ORD

$1,179

5/11Sat

multi-stopLATAM Airlines

26h 58mORD-AEP

5/18Sat

multi-stopLATAM Airlines

25h 51mAEP-ORD

$1,204

5/11Sat

multi-stopLATAM Airlines

19h 31mORD-AEP

5/16Thu

multi-stopLATAM Airlines

25h 51mAEP-ORD

$1,251

5/11Sat

multi-stopAir Canada

42h 45mORD-EZE

5/16Thu

multi-stopAir Canada

24h 16mEZE-ORD

$1,350

5/11Sat

multi-stopAir Canada

42h 45mORD-EZE

5/18Sat

multi-stopAir Canada

28h 24mEZE-ORD

$1,645

5/15Wed

multi-stopAeromexico

17h 09mORD-EZE

5/20Mon

multi-stopAeromexico

17h 02mEZE-ORD

$2,138

5/12Sun

multi-stopAeromexico

17h 09mORD-EZE

5/18Sat

multi-stopAeromexico

50h 16mEZE-ORD

$2,333

Flights to Buenos Aires

Return flight deals:

Buenos Aires - Illinois

Cabin classes:

Browse origins:

$1,468

Flights from Bloomington, Illinois to Buenos Aires

$891

Flights from Chicago to Buenos Aires

$961

Flights from St. Louis to Buenos Aires

Browse destinations:

$935

Flights to Buenos Aires Jorge Newbery Airport, Buenos Aires

$891

Flights to Buenos Aires Ministro Pistarini Airport, Buenos Aires

Find cheap flights from Illinois to Buenos Aires from $318

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 6/19. 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

Search by stops

Search by airline

Search by price

Recent one-way flight deals

Search by stops

Search by airline

Search by price

Last minute flights from Illinois to Buenos Aires

Last minute flight, train and bus deals

Search by stops

Search by airline

Search by price

Flights to Buenos Aires

Return flight deals:

Cabin classes:

Browse origins:

Browse destinations: