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Cheap flights from Illinois to Buenos Aires from $326

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 4/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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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
6:34 pm - 5:05 am
ORD
-
EZE
32h 31m
3 stops
Multiple Airlines Logo
8:40 am - 10:10 pm
EZE
-
ORD
15h 30m
1 stop
$787Multiple Airlines
Mon, Apr 20 - Sun, Apr 26
Multiple Airlines Logo
5:15 am - 5:05 am
ORD
-
EZE
21h 50m
3 stops
Multiple Airlines Logo
8:40 am - 10:10 pm
EZE
-
ORD
15h 30m
1 stop
$790Multiple Airlines
Sat, Apr 18 - Sun, Apr 26
Multiple Airlines Logo
4:30 am - 12:05 am
ORD
-
EZE
17h 35m
1 stop
Multiple Airlines Logo
6:30 pm - 1:15 pm
EZE
-
ORD
20h 45m
2 stops
$791Multiple Airlines
Mon, May 18 - Wed, May 27
Arajet Logo
5:35 am - 12:05 am
ORD
-
EZE
16h 30m
1 stop
Arajet Logo
9:15 pm - 10:10 pm
EZE
-
ORD
26h 55m
1 stop
$800Arajet
Wed, Apr 1 - Sat, May 2
Arajet Logo
4:30 am - 7:50 am
ORD
-
EZE
25h 20m
1 stop
Arajet Logo
9:15 pm - 11:40 pm
EZE
-
ORD
28h 25m
1 stop
$803Arajet
Mon, Apr 6 - Mon, Apr 13
LATAM Airlines Logo
5:40 pm - 9:00 am
MDW
-
EZE
13h 20m
1 stop
LATAM Airlines Logo
8:55 pm - 12:02 pm
EZE
-
MDW
17h 07m
1 stop
$936LATAM Airlines
Mon, Mar 9 - Mon, Mar 16
LATAM Airlines Logo
5:40 pm - 9:00 am
MDW
-
EZE
13h 20m
1 stop
LATAM Airlines Logo
2:45 pm - 9:56 am
EZE
-
MDW
21h 11m
2 stops
$937LATAM Airlines
Mon, Mar 16 - Tue, Mar 24
Delta Logo
1:10 pm - 9:00 am
MDW
-
EZE
17h 50m
2 stops
Delta Logo
8:55 pm - 12:29 pm
EZE
-
MDW
17h 34m
2 stops
$941Delta
Mon, Mar 16 - Tue, Mar 24
United Airlines Logo
7:41 am - 8:20 am
STL
-
EZE
46h 39m
2 stops
United Airlines Logo
9:05 pm - 9:21 am
EZE
-
STL
14h 16m
1 stop
$957United Airlines
Sun, Mar 8 - Tue, Mar 17
United Airlines Logo
7:41 am - 8:20 am
STL
-
EZE
46h 39m
2 stops
United Airlines Logo
9:05 pm - 9:21 am
EZE
-
STL
14h 16m
1 stop
$977United Airlines
Sun, Mar 8 - Tue, Mar 17

Arajet flights from Illinois to Buenos Aires Ministro Pistarini Airport

Our best Arajet deals on Illinois to Buenos Aires Ministro Pistarini Airport flight tickets
Arajet
Apr 1
ORD5:35 amChicago O'Hare Intl
16h 30m
1 stop
EZE12:05 amBuenos Aires Ministro Pistarini
May 2
EZE9:15 pmBuenos Aires Ministro Pistarini
26h 55m
1 stop
ORD10:10 pmChicago O'Hare Intl
$800
Arajet
Apr 6
ORD4:30 amChicago O'Hare Intl
25h 20m
1 stop
EZE7:50 amBuenos Aires Ministro Pistarini
Apr 13
EZE9:15 pmBuenos Aires Ministro Pistarini
28h 25m
1 stop
ORD11:40 pmChicago O'Hare Intl
$803
Arajet
Feb 25
ORD5:45 amChicago O'Hare Intl
15h 20m
1 stop
EZE12:05 amBuenos Aires Ministro Pistarini
Mar 1
EZE8:40 amBuenos Aires Ministro Pistarini
15h 30m
1 stop
ORD9:10 pmChicago O'Hare Intl
$810

LATAM Airlines flights from Illinois to Buenos Aires Ministro Pistarini Airport

Our best LATAM Airlines deals on Illinois to Buenos Aires Ministro Pistarini Airport flight tickets
LATAM Airlines
Mar 9
MDW5:40 pmChicago Midway
13h 20m
1 stop
EZE9:00 amBuenos Aires Ministro Pistarini
Mar 16
EZE8:55 pmBuenos Aires Ministro Pistarini
17h 07m
1 stop
MDW12:02 pmChicago Midway
$936
LATAM Airlines
Mar 16
MDW5:40 pmChicago Midway
13h 20m
1 stop
EZE9:00 amBuenos Aires Ministro Pistarini
Mar 24
EZE2:45 pmBuenos Aires Ministro Pistarini
21h 11m
2 stops
MDW9:56 amChicago Midway
$937
LATAM Airlines
Mar 9
MDW12:47 pmChicago Midway
18h 48m
2 stops
EZE9:35 amBuenos Aires Ministro Pistarini
Mar 16
EZE11:55 pmBuenos Aires Ministro Pistarini
14h 07m
1 stop
MDW12:02 pmChicago Midway
$940

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Buenos Aires Ministro Pistarini 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 January 15, 2026.
Use the filters below to find and compare flights from Illinois to Buenos Aires Ministro Pistarini Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 4/20

6:34 pm-5:05 am

3 stops32h 31m

Buenos Aires Ministro Pistarini

Sun 4/26

8:40 am-10:10 pm

1 stop15h 30m

$787

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Sat 4/18

5:15 am-5:05 am

3 stops21h 50m

Buenos Aires Ministro Pistarini

Sun 4/26

8:40 am-10:10 pm

1 stop15h 30m

$790

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 5/18

4:30 am-12:05 am

1 stop17h 35m

Buenos Aires Ministro Pistarini

Wed 5/27

6:30 pm-1:15 pm

2 stops20h 45m

$791

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Wed 4/1

5:35 am-12:05 am

1 stop16h 30m

Buenos Aires Ministro Pistarini

Sat 5/2

9:15 pm-10:10 pm

1 stop26h 55m

$800

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 4/6

4:30 am-7:50 am

1 stop25h 20m

Buenos Aires Ministro Pistarini

Mon 4/13

9:15 pm-11:40 pm

1 stop28h 25m

$803

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Mon 3/9

5:40 pm-9:00 am

1 stop13h 20m

Buenos Aires Ministro Pistarini

Mon 3/16

8:55 pm-12:02 pm

1 stop17h 07m

$936

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Mon 3/16

5:40 pm-9:00 am

1 stop13h 20m

Buenos Aires Ministro Pistarini

Tue 3/24

2:45 pm-9:56 am

2 stops21h 11m

$937

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Mon 3/16

1:10 pm-9:00 am

2 stops17h 50m

Buenos Aires Ministro Pistarini

Tue 3/24

8:55 pm-12:29 pm

2 stops17h 34m

$941

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Sun 3/8

7:41 am-8:20 am

2 stops46h 39m

Buenos Aires Ministro Pistarini

Tue 3/17

9:05 pm-9:21 am

1 stop14h 16m

$957

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Sun 3/8

7:41 am-8:20 am

2 stops46h 39m

Buenos Aires Ministro Pistarini

Tue 3/17

9:05 pm-9:21 am

1 stop14h 16m

$977

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Buenos Aires from

How to get the cheapest flight ticket from Illinois to Buenos Aires Ministro Pistarini 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

What is the cheapest month to fly to Buenos Aires Ministro Pistarini Airport?

If you aren’t able to travel during the month of September, then book flights to Buenos Aires Ministro Pistarini Airport from Illinois during October instead. Flights to Buenos Aires Ministro Pistarini Airport in October, while not as cheap as those in September, still average around $778.

How far in advance should I book a flight to Buenos Aires Ministro Pistarini Airport?

You are more likely to see cheaper flights to Buenos Aires Ministro Pistarini Airport from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires Ministro Pistarini Airport for around $1,121 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires Ministro Pistarini Airport from Illinois for as low as $760 on momondo.

Can stopping save me money on Illinois to Buenos Aires Ministro Pistarini Airport flights?

You could potentially save up to 35% on your flight if you consider stops on a Illinois to Buenos Aires Ministro Pistarini Airport flight.

Cheap Illinois to Buenos Aires Ministro Pistarini Airport flight deals and tips

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

Fastest flight time

12h 40m

Direct flights

None
The fastest flight from Illinois to Buenos Aires Ministro Pistarini Airport takes 12h 40m
There are no direct flights from Illinois to Buenos Aires Ministro Pistarini Airport. There are no popular flight routes from Illinois to Buenos Aires Ministro Pistarini Airport.
Search flight deals

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

    Prices for flights from Illinois to Buenos Aires Ministro Pistarini Airport were last updated today.

  • How many operators does momondo search for flights from Illinois to Buenos Aires Ministro Pistarini Airport?

  • How old do you have to be to fly from Illinois to Buenos Aires Ministro Pistarini Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Illinois to Buenos Aires Ministro Pistarini Airport.

  • What documentation or ID do you need to fly to Buenos Aires Ministro Pistarini Airport?

    The travel and health documents you'll need for your trip to Buenos Aires Ministro Pistarini Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Buenos Aires Ministro Pistarini Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Illinois to Buenos Aires Ministro Pistarini Airport

Compare and see reviews for airlines that fly from Illinois to Buenos Aires Ministro Pistarini Airport with momondo
Airline
Rating
Free Cancellation
Price
ArajetPriceFrom $360Free CancellationRating
6.4
41 reviews
Search Arajet flights
Copa AirlinesPriceFrom $569Free CancellationRating
7.6
1,559 reviews
Search Copa Airlines flights
AviancaPriceFrom $726Free CancellationRating
6.6
2,492 reviews
Search Avianca flights
DeltaPriceFrom $951Free CancellationRating
7.9
8,051 reviews
Search Delta flights
United AirlinesPriceFrom $951Free CancellationRating
7.4
9,164 reviews
Search United Airlines flights
American AirlinesPriceFrom $1,015Free CancellationRating
7.2
11,136 reviews
Search American Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Illinois to Buenos Aires. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Buenos Aires from Illinois which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Illinois and Buenos Aires by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Of course. momondo tracks the price of Illinois to Buenos Aires flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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