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$317 Find cheap flights from Illinois to Buenos Aires

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 8/21. 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.
1 adult
0 bags
jue. 7/11
jue. 7/18

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Good to know

Low season

September

High season

December
Best time to beat the crowds with an average 9% drop in price.
Most popular time to fly with an average 43% increase in price.

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.

See more FAQs

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

Find which airlines fly direct from Illinois to Buenos Aires, which days they fly and book direct flights.

Nonstop departures

Illinois to Buenos Aires

Monday

Aerolineas Argentinas, Aeromexico, Air Canada, +33 more

Aerolineas Argentinas, Aeromexico, +34 more

Tuesday

Aerolineas Argentinas, Aeromexico, Air Canada, +32 more

Aerolineas Argentinas, Aeromexico, +33 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 Canada, +33 more

Aerolineas Argentinas, Aeromexico, +34 more

Saturday

Aerolineas Argentinas, Aeromexico, Air Canada, +31 more

Aerolineas Argentinas, Aeromexico, +32 more

Sunday

Aerolineas Argentinas, Aeromexico, Air Canada, +33 more

Aerolineas Argentinas, Aeromexico, +34 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 Canada, +32 more

Aerolineas Argentinas, Aeromexico, +33 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 Canada, +33 more

Aerolineas Argentinas, Aeromexico, +34 more

Saturday

Aerolineas Argentinas, Aeromexico, Air Canada, +31 more

Aerolineas Argentinas, Aeromexico, +32 more

Sunday

Aerolineas Argentinas, Aeromexico, Air Canada, +33 more

Aerolineas Argentinas, Aeromexico, +34 more

See more direct flights
See more direct flights

Book cheap flights from Illinois to Buenos Aires

Recent round-trip flight deals

8/11dom.
3 stops
30h 05mORD-EZE
8/17sáb.
3 stops
38h 40mEZE-ORD
$806
9/6vie.
2 stopsAir Canada
30h 50mORD-EZE
9/19jue.
2 stopsAir Canada
19h 28mEZE-ORD
$841
7/13sáb.
3 stops
34h 11mORD-EZE
7/28dom.
3 stops
32h 40mEZE-ORD
$853
9/30lun.
2 stopsAir Canada
39h 32mORD-EZE
10/26sáb.
2 stopsAir Canada
19h 47mEZE-ORD
$855
8/5lun.
2 stopsDelta
21h 10mSTL-EZE
8/19lun.
2 stopsDelta
19h 29mEZE-STL
$988
11/13mié.
1 stopDelta
20h 00mSTL-EZE
11/28jue.
2 stopsDelta
20h 19mEZE-STL
$1,000
11/13mié.
2 stopsLATAM Airlines
20h 00mSTL-AEP
11/28jue.
2 stopsLATAM Airlines
20h 23mAEP-STL
$1,000
8/12lun.
1 stopCopa Airlines
21h 51mORD-EZE
8/28mié.
1 stopCopa Airlines
21h 22mEZE-ORD
$1,002
10/30mié.
2 stopsLATAM Airlines
18h 36mORD-EZE
11/12mar.
2 stopsLATAM Airlines
23h 14mEZE-ORD
$1,008
8/30vie.
1 stopCopa Airlines
21h 51mORD-EZE
9/9lun.
1 stopCopa Airlines
15h 39mEZE-ORD
$1,027

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Recent one-way flight deals

8/21mié.
3 stops
22h 55mORD-AEP
$317
9/8dom.
3 stops
33h 25mORD-EZE
$329
8/20mar.
3 stops
31h 10mORD-AEP
$333
8/18dom.
3 stopsAvianca
30h 05mORD-EZE
$437
8/16vie.
2 stopsAvianca
30h 05mORD-EZE
$450
10/10jue.
3 stopsAir Canada
42h 15mORD-EZE
$574
10/11vie.
3 stopsAir Canada
30h 50mORD-EZE
$643
6/16dom.
1 stopAerolineas Argentinas
18h 15mORD-EZE
$664
8/20mar.
2 stopsDelta
18h 16mMDW-EZE
$697
8/18dom.
1 stopDelta
35h 41mORD-EZE
$713

Search by stops

Search by airline

Search by price

Last minute flights from Illinois to Buenos Aires

Last minute flight, train and bus deals

6/14vie.
multi-stopUnited Airlines
13h 55mORD-EZE
6/22sáb.
multi-stopUnited Airlines
15h 08mEZE-ORD
$1,064
6/14vie.
multi-stopLATAM Airlines
26h 20mORD-AEP
6/22sáb.
multi-stopLATAM Airlines
21h 18mAEP-ORD
$1,064
6/14vie.
multi-stopLATAM Airlines
23h 20mORD-AEP
6/22sáb.
multi-stopLATAM Airlines
20h 02mAEP-ORD
$1,084
6/14vie.
multi-stopCopa Airlines
15h 03mORD-EZE
6/22sáb.
multi-stopCopa Airlines
21h 48mEZE-ORD
$1,127
6/14vie.
multi-stopAeromexico
53h 00mORD-EZE
6/22sáb.
multi-stopAeromexico
41h 10mEZE-ORD
$1,158
6/13jue.
multi-stopDelta
31h 15mORD-AEP
6/26mié.
multi-stopDelta
29h 28mAEP-ORD
$1,229
6/14vie.
multi-stop
30h 05mORD-EZE
6/16dom.
multi-stop
31h 20mEZE-ORD
$1,235
6/14vie.
multi-stop
30h 05mORD-EZE
6/16dom.
multi-stop
31h 20mEZE-ORD
$1,261
6/14vie.
multi-stopCopa Airlines
21h 50mORD-EZE
6/21vie.
multi-stopCopa Airlines
15h 10mEZE-ORD
$1,332
6/13jue.
multi-stopAeromexico
17h 09mORD-EZE
6/22sáb.
multi-stopAeromexico
19h 08mEZE-ORD
$1,978

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Flights to Buenos Aires

Return flight deals:

Buenos Aires - Illinois

Cabin classes: