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Cheap flights from Illinois to Buenos Aires from $237

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Buenos Aires departing on 11/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Illinois to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
5:30 am - 9:31 amORD  Chicago O'Hare Intl-AEP Buenos Aires Jorge Newbery
26h 01m2 stops Punta Cana Cordoba Pajas Blancas
Multiple Airlines Logo
10:10 pm - 9:20 pmAEP  Buenos Aires Jorge Newbery-ORD Chicago O'Hare Intl
25h 10m2 stops Santiago Arturo Merino Benitez Bogotá El Dorado
$727Multiple Airlines
Mon, Sep 7 - Thu, Sep 17
Multiple Airlines Logo
5:30 am - 9:31 amORD  Chicago O'Hare Intl-AEP Buenos Aires Jorge Newbery
26h 01m2 stops Punta Cana Cordoba Pajas Blancas
Multiple Airlines Logo
9:30 pm - 11:47 pmAEP  Buenos Aires Jorge Newbery-ORD Chicago O'Hare Intl
52h 17m3 stops Santiago Arturo Merino Benitez Lima J Chavez Intl Mexico City Benito Juarez
$745Multiple Airlines
Mon, Sep 21 - Mon, Sep 28
Multiple Airlines Logo
5:30 am - 9:31 amORD  Chicago O'Hare Intl-AEP Buenos Aires Jorge Newbery
26h 01m2 stops Punta Cana Cordoba Pajas Blancas
Multiple Airlines Logo
8:05 pm - 11:47 pmAEP  Buenos Aires Jorge Newbery-ORD Chicago O'Hare Intl
29h 42m2 stops Lima J Chavez Intl Mexico City Benito Juarez
$761Multiple Airlines
Mon, Sep 7 - Sun, Sep 20
Multiple Airlines Logo
5:30 am - 9:31 amORD  Chicago O'Hare Intl-AEP Buenos Aires Jorge Newbery
26h 01m2 stops Punta Cana Cordoba Pajas Blancas
Multiple Airlines Logo
5:35 pm - 11:47 pmAEP  Buenos Aires Jorge Newbery-ORD Chicago O'Hare Intl
32h 12m2 stops Lima J Chavez Intl Mexico City Benito Juarez
$763Multiple Airlines
Mon, Sep 7 - Sun, Sep 20
Multiple Airlines Logo
5:30 am - 9:31 amORD  Chicago O'Hare Intl-AEP Buenos Aires Jorge Newbery
26h 01m2 stops Punta Cana Cordoba Pajas Blancas
Multiple Airlines Logo
8:05 pm - 11:47 pmAEP  Buenos Aires Jorge Newbery-ORD Chicago O'Hare Intl
29h 42m2 stops Lima J Chavez Intl Mexico City Benito Juarez
$767Multiple Airlines
Mon, Sep 7 - Sun, Sep 20
Multiple Airlines Logo
5:30 am - 9:31 amORD  Chicago O'Hare Intl-AEP Buenos Aires Jorge Newbery
26h 01m2 stops Punta Cana Cordoba Pajas Blancas
Multiple Airlines Logo
8:05 pm - 11:47 pmAEP  Buenos Aires Jorge Newbery-ORD Chicago O'Hare Intl
29h 42m2 stops Lima J Chavez Intl Mexico City Benito Juarez
$768Multiple Airlines
Mon, Sep 7 - Sun, Sep 20
Multiple Airlines Logo
5:30 am - 9:31 amORD  Chicago O'Hare Intl-AEP Buenos Aires Jorge Newbery
26h 01m2 stops Punta Cana Cordoba Pajas Blancas
Multiple Airlines Logo
1:37 pm - 9:20 pmAEP  Buenos Aires Jorge Newbery-ORD Chicago O'Hare Intl
33h 43m3 stops Mendoza El Plumerillo Santiago Arturo Merino Benitez Bogotá El Dorado
$834Multiple Airlines
Mon, Sep 7 - Sun, Sep 20
Multiple Airlines Logo
5:30 am - 9:31 amORD  Chicago O'Hare Intl-AEP Buenos Aires Jorge Newbery
26h 01m2 stops Punta Cana Cordoba Pajas Blancas
Multiple Airlines Logo
1:37 pm - 9:20 pmAEP  Buenos Aires Jorge Newbery-ORD Chicago O'Hare Intl
33h 43m3 stops Mendoza El Plumerillo Santiago Arturo Merino Benitez Bogotá El Dorado
$835Multiple Airlines
Mon, Sep 7 - Sun, Sep 20
Multiple Airlines Logo
5:30 am - 9:31 amORD  Chicago O'Hare Intl-AEP Buenos Aires Jorge Newbery
26h 01m2 stops Punta Cana Cordoba Pajas Blancas
Multiple Airlines Logo
1:37 pm - 9:20 pmAEP  Buenos Aires Jorge Newbery-ORD Chicago O'Hare Intl
33h 43m3 stops Mendoza El Plumerillo Santiago Arturo Merino Benitez Bogotá El Dorado
$841Multiple Airlines
Mon, Sep 7 - Sun, Sep 20
Multiple Airlines Logo
5:30 am - 9:31 amORD  Chicago O'Hare Intl-AEP Buenos Aires Jorge Newbery
26h 01m2 stops Punta Cana Cordoba Pajas Blancas
Multiple Airlines Logo
5:35 pm - 11:47 pmAEP  Buenos Aires Jorge Newbery-ORD Chicago O'Hare Intl
32h 12m2 stops Lima J Chavez Intl Mexico City Benito Juarez
$853Multiple Airlines
Mon, Sep 14 - Mon, Sep 28

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LATAM Airlines flights from Illinois to Buenos Aires Jorge Newbery Airport

Our best LATAM Airlines deals on Illinois to Buenos Aires Jorge Newbery Airport flight tickets
LATAM Airlines
Aug 31
MDW4:39 pmChicago Midway
20h 11m
2 stops
AEP2:50 pmBuenos Aires Jorge Newbery
Sep 7
AEP9:25 amBuenos Aires Jorge Newbery
27h 11m
2 stops
MDW10:36 amChicago Midway
$960
LATAM Airlines
Sep 30
MDW1:00 pmChicago Midway
23h 00m
2 stops
AEP2:00 pmBuenos Aires Jorge Newbery
Oct 14
AEP3:45 pmBuenos Aires Jorge Newbery
22h 05m
2 stops
MDW11:50 amChicago Midway
$962
LATAM Airlines
Sep 7
MDW10:54 amChicago Midway
18h 46m
2 stops
AEP7:40 amBuenos Aires Jorge Newbery
Sep 17
AEP2:55 pmBuenos Aires Jorge Newbery
22h 59m
2 stops
MDW11:54 amChicago Midway
$965

Delta flights from Illinois to Buenos Aires Jorge Newbery Airport

Our best Delta deals on Illinois to Buenos Aires Jorge Newbery Airport flight tickets
Delta
Aug 29
ORD3:25 pmChicago O'Hare Intl
22h 35m
2 stops
AEP4:00 pmBuenos Aires Jorge Newbery
Sep 5
AEP3:45 pmBuenos Aires Jorge Newbery
22h 55m
2 stops
ORD12:40 pmChicago O'Hare Intl
$960
Delta
Oct 5
ORD8:05 amChicago O'Hare Intl
21h 35m
2 stops
AEP7:40 amBuenos Aires Jorge Newbery
Oct 13
AEP8:05 pmBuenos Aires Jorge Newbery
22h 58m
2 stops
ORD5:03 pmChicago O'Hare Intl
$962
Delta
Aug 13
MDW10:54 amChicago Midway
18h 46m
2 stops
AEP7:40 amBuenos Aires Jorge Newbery
Aug 18
AEP8:05 pmBuenos Aires Jorge Newbery
22h 10m
2 stops
MDW4:15 pmChicago Midway
$1,093

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Buenos Aires Jorge Newbery Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 10, 2026.
Use the filters below to find and compare flights from Illinois to Buenos Aires Jorge Newbery Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

ChicagoBuenos Aires

ORD Chicago O'Hare Intl - AEP Buenos Aires Jorge Newbery

ORDAEP

Chicago O'Hare Intl

Mon 9/7

5:30 am-9:31 am

2 stops26h 01m

Buenos Aires Jorge Newbery

Thu 9/17

10:10 pm-9:20 pm

2 stops25h 10m

$727

ChicagoBuenos Aires

ORD Chicago O'Hare Intl - AEP Buenos Aires Jorge Newbery

ORDAEP

Chicago O'Hare Intl

Mon 9/21

5:30 am-9:31 am

2 stops26h 01m

Buenos Aires Jorge Newbery

Mon 9/28

9:30 pm-11:47 pm

3 stops52h 17m

$745

ChicagoBuenos Aires

ORD Chicago O'Hare Intl - AEP Buenos Aires Jorge Newbery

ORDAEP

Chicago O'Hare Intl

Mon 9/7

5:30 am-9:31 am

2 stops26h 01m

Buenos Aires Jorge Newbery

Sun 9/20

8:05 pm-11:47 pm

2 stops29h 42m

$761

ChicagoBuenos Aires

ORD Chicago O'Hare Intl - AEP Buenos Aires Jorge Newbery

ORDAEP

Chicago O'Hare Intl

Mon 9/7

5:30 am-9:31 am

2 stops26h 01m

Buenos Aires Jorge Newbery

Sun 9/20

5:35 pm-11:47 pm

2 stops32h 12m

$763

ChicagoBuenos Aires

ORD Chicago O'Hare Intl - AEP Buenos Aires Jorge Newbery

ORDAEP

Chicago O'Hare Intl

Mon 9/7

5:30 am-9:31 am

2 stops26h 01m

Buenos Aires Jorge Newbery

Sun 9/20

8:05 pm-11:47 pm

2 stops29h 42m

$767

ChicagoBuenos Aires

ORD Chicago O'Hare Intl - AEP Buenos Aires Jorge Newbery

ORDAEP

Chicago O'Hare Intl

Mon 9/7

5:30 am-9:31 am

2 stops26h 01m

Buenos Aires Jorge Newbery

Sun 9/20

8:05 pm-11:47 pm

2 stops29h 42m

$768

ChicagoBuenos Aires

ORD Chicago O'Hare Intl - AEP Buenos Aires Jorge Newbery

ORDAEP

Chicago O'Hare Intl

Mon 9/7

5:30 am-9:31 am

2 stops26h 01m

Buenos Aires Jorge Newbery

Sun 9/20

1:37 pm-9:20 pm

3 stops33h 43m

$834

ChicagoBuenos Aires

ORD Chicago O'Hare Intl - AEP Buenos Aires Jorge Newbery

ORDAEP

Chicago O'Hare Intl

Mon 9/7

5:30 am-9:31 am

2 stops26h 01m

Buenos Aires Jorge Newbery

Sun 9/20

1:37 pm-9:20 pm

3 stops33h 43m

$835

ChicagoBuenos Aires

ORD Chicago O'Hare Intl - AEP Buenos Aires Jorge Newbery

ORDAEP

Chicago O'Hare Intl

Mon 9/7

5:30 am-9:31 am

2 stops26h 01m

Buenos Aires Jorge Newbery

Sun 9/20

1:37 pm-9:20 pm

3 stops33h 43m

$841

ChicagoBuenos Aires

ORD Chicago O'Hare Intl - AEP Buenos Aires Jorge Newbery

ORDAEP

Chicago O'Hare Intl

Mon 9/14

5:30 am-9:31 am

2 stops26h 01m

Buenos Aires Jorge Newbery

Mon 9/28

5:35 pm-11:47 pm

2 stops32h 12m

$853

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Illinois to Buenos Aires Jorge Newbery Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Can stopping save me money on Illinois to Buenos Aires Jorge Newbery Airport flights?

You could potentially save up to 3% on your flight if you consider stops on a Illinois to Buenos Aires Jorge Newbery Airport flight.

Cheap Illinois to Buenos Aires Jorge Newbery Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Buenos Aires Jorge Newbery Airport

Fastest flight time

16h 50m

Direct flights

None
The fastest flight from Illinois to Buenos Aires Jorge Newbery Airport takes 16h 50m
There are no direct flights from Illinois to Buenos Aires Jorge Newbery Airport. There are no popular flight routes from Illinois to Buenos Aires Jorge Newbery Airport.
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Frequently asked questions about flying from Illinois to Buenos Aires Jorge Newbery Airport

  • When did momondo last update prices for flights from Illinois to Buenos Aires Jorge Newbery Airport?

    Prices for flights from Illinois to Buenos Aires Jorge Newbery Airport refresh daily.

  • How old do you have to be to fly from Illinois to Buenos Aires Jorge Newbery Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Buenos Aires Jorge Newbery Airport.

  • What documentation or ID do you need to fly to Buenos Aires Jorge Newbery Airport?

    The required travel and health documents for your Buenos Aires Jorge Newbery Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Buenos Aires Jorge Newbery Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Buenos Aires?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to Buenos Aires for you.

Can I find flights from Illinois to Buenos Aires with flexible booking policies on momondo?

All flight searches from Illinois to Buenos Aires on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Illinois to Buenos Aires?

Once you have performed a search for Illinois to Buenos Aires flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Illinois to Buenos Aires right now. Can momondo alert me if prices change?

Price alerts on flights to Buenos Aires from Illinois are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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