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Cheap flights from Illinois to Buenos Aires from $317

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 6/17. 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
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.
LATAM Airlines Logo
10:40 am - 9:40 am
ORD
-
EZE
21h 00m
2 stops
LATAM Airlines Logo
7:35 am - 11:57 pm
EZE
-
ORD
18h 22m
2 stops
$876LATAM Airlines
Wed, Sep 9 - Mon, Sep 21
Multiple Airlines Logo
7:10 am - 3:23 am
ORD
-
EZE
18h 13m
2 stops
Multiple Airlines Logo
9:15 pm - 5:52 am
EZE
-
ORD
34h 37m
3 stops
$877Multiple Airlines
Mon, Jun 22 - Mon, Jun 29
Multiple Airlines Logo
4:30 am - 8:15 pm
ORD
-
EZE
13h 45m
1 stop
Multiple Airlines Logo
9:02 am - 11:56 pm
EZE
-
ORD
16h 54m
2 stops
$881Multiple Airlines
Mon, May 11 - Mon, May 18
LATAM Airlines Logo
6:06 pm - 11:30 am
ORD
-
EZE
15h 24m
2 stops
LATAM Airlines Logo
1:10 pm - 10:16 am
EZE
-
ORD
23h 06m
2 stops
$882LATAM Airlines
Mon, May 11 - Sun, May 24
Arajet Logo
12:12 pm - 4:10 am
ORD
-
EZE
13h 58m
1 stop
Arajet Logo
4:45 am - 11:12 am
EZE
-
ORD
32h 27m
1 stop
$886Arajet
Sat, Oct 3 - Fri, Oct 23
Arajet Logo
12:12 pm - 4:10 am
ORD
-
EZE
13h 58m
1 stop
Arajet Logo
9:15 pm - 11:40 pm
EZE
-
ORD
28h 25m
1 stop
$890Arajet
Sat, Jul 18 - Wed, Jul 29
Delta Logo
5:10 pm - 9:45 am
MDW
-
EZE
14h 35m
1 stop
Delta Logo
8:10 pm - 10:00 am
EZE
-
MDW
15h 50m
1 stop
$897Delta
Wed, May 13 - Tue, May 19
Delta Logo
1:05 pm - 9:20 am
MDW
-
EZE
18h 15m
2 stops
Delta Logo
8:10 pm - 9:50 am
EZE
-
MDW
15h 40m
1 stop
$899Delta
Mon, Sep 7 - Thu, Sep 17
United Airlines Logo
3:02 pm - 8:00 am
STL
-
EZE
14h 58m
1 stop
United Airlines Logo
9:00 pm - 10:09 am
EZE
-
STL
15h 09m
1 stop
$909United Airlines
Wed, Aug 19 - Wed, Aug 26
United Airlines Logo
6:14 am - 8:00 am
STL
-
EZE
23h 46m
1 stop
United Airlines Logo
9:00 pm - 9:26 pm
EZE
-
STL
26h 26m
2 stops
$1,116United Airlines
Mon, Jun 1 - Mon, Jun 29

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United Airlines flights from Illinois to Buenos Aires Ministro Pistarini Airport

Our best United Airlines deals on Illinois to Buenos Aires Ministro Pistarini Airport flight tickets
United Airlines
Aug 19
STL3:02 pmLambert-St Louis
14h 58m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
Aug 26
EZE9:00 pmBuenos Aires Ministro Pistarini
15h 09m
1 stop
STL10:09 amLambert-St Louis
$909
United Airlines
Sep 6
ORD7:45 pmChicago O'Hare Intl
34h 15m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
Sep 16
EZE9:00 pmBuenos Aires Ministro Pistarini
15h 14m
1 stop
ORD10:14 amChicago O'Hare Intl
$918
United Airlines
May 2
ORD4:00 pmChicago O'Hare Intl
14h 00m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
Jun 5
EZE9:00 pmBuenos Aires Ministro Pistarini
19h 51m
1 stop
ORD2:51 pmChicago O'Hare Intl
$1,075

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
Sep 9
ORD10:40 amChicago O'Hare Intl
21h 00m
2 stops
EZE9:40 amBuenos Aires Ministro Pistarini
Sep 21
EZE7:35 amBuenos Aires Ministro Pistarini
18h 22m
2 stops
ORD11:57 pmChicago O'Hare Intl
$876
LATAM Airlines
May 11
ORD6:06 pmChicago O'Hare Intl
13h 39m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
May 24
EZE1:10 pmBuenos Aires Ministro Pistarini
23h 06m
2 stops
ORD10:16 amChicago O'Hare Intl
$882
LATAM Airlines
Jun 4
STL5:20 pmLambert-St Louis
14h 25m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
Jun 18
EZE8:10 pmBuenos Aires Ministro Pistarini
14h 06m
1 stop
STL8:16 amLambert-St Louis
$892

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 April 29, 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

Cheapest round-trip

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Wed 9/9

10:40 am-9:40 am

2 stops21h 00m

Buenos Aires Ministro Pistarini

Mon 9/21

7:35 am-11:57 pm

2 stops18h 22m

$876

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 6/22

7:10 am-3:23 am

2 stops18h 13m

Buenos Aires Ministro Pistarini

Mon 6/29

9:15 pm-5:52 am

3 stops34h 37m

$877

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 5/11

4:30 am-8:15 pm

1 stop13h 45m

Buenos Aires Ministro Pistarini

Mon 5/18

9:02 am-11:56 pm

2 stops16h 54m

$881

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Mon 5/11

6:06 pm-11:30 am

2 stops15h 24m

Buenos Aires Ministro Pistarini

Sun 5/24

1:10 pm-10:16 am

2 stops23h 06m

$882

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Sat 10/3

12:12 pm-4:10 am

1 stop13h 58m

Buenos Aires Ministro Pistarini

Fri 10/23

4:45 am-11:12 am

1 stop32h 27m

$886

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Sat 7/18

12:12 pm-4:10 am

1 stop13h 58m

Buenos Aires Ministro Pistarini

Wed 7/29

9:15 pm-11:40 pm

1 stop28h 25m

$890

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Wed 5/13

5:10 pm-9:45 am

1 stop14h 35m

Buenos Aires Ministro Pistarini

Tue 5/19

8:10 pm-10:00 am

1 stop15h 50m

$897

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Mon 9/7

1:05 pm-9:20 am

2 stops18h 15m

Buenos Aires Ministro Pistarini

Thu 9/17

8:10 pm-9:50 am

1 stop15h 40m

$899
Quickest round-trip

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Wed 8/19

3:02 pm-8:00 am

1 stop14h 58m

Buenos Aires Ministro Pistarini

Wed 8/26

9:00 pm-10:09 am

1 stop15h 09m

$909

St. LouisBuenos Aires

STL - EZE

STLEZE

Lambert-St Louis

Mon 6/1

6:14 am-8:00 am

1 stop23h 46m

Buenos Aires Ministro Pistarini

Mon 6/29

9:00 pm-9:26 pm

2 stops26h 26m

$1,116

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 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 March, then book flights to Buenos Aires Ministro Pistarini Airport from Illinois during December instead. Flights to Buenos Aires Ministro Pistarini Airport in December, while not as cheap as those in March, still average around $307.

How far in advance should I book a flight from Illinois 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 $1,124 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 32% 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

Frequently asked questions about flying from Illinois to Buenos Aires Ministro Pistarini Airport

  • 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
6.5
47 reviews
Search Arajet flights
Copa AirlinesPriceFrom $569Free CancellationRating
7.5
1,578 reviews
Search Copa Airlines flights
AviancaPriceFrom $674Free CancellationRating
6.5
2,517 reviews
Search Avianca flights
LATAM AirlinesPriceFrom $727Free CancellationRating
7.4
1,912 reviews
Search LATAM Airlines flights
DeltaPriceFrom $951Free CancellationRating
7.9
8,466 reviews
Search Delta flights
United AirlinesPriceFrom $951Free CancellationRating
7.4
9,677 reviews
Search United Airlines flights
American AirlinesPriceFrom $1,004Free CancellationRating
7.1
11,682 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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