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Cheap flights from Chicago O'Hare Intl Airport to Argentina from $305

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to Argentina departing on 3/18. 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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Find the cheapest flights from Chicago O'Hare Intl Airport to Argentina

Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
6:45 am - 7:05 pm
ORD
-
MDZ
33h 20m
2 stops
LATAM Airlines Logo
7:50 am - 11:56 pm
MDZ
-
ORD
19h 06m
2 stops
$683LATAM Airlines
Tue, Feb 24 - Thu, Feb 26
LATAM Airlines Logo
7:00 am - 7:05 pm
ORD
-
MDZ
33h 05m
2 stops
LATAM Airlines Logo
7:50 am - 8:35 am
MDZ
-
ORD
27h 45m
2 stops
$777LATAM Airlines
Tue, Feb 24 - Thu, Feb 26
LATAM Airlines Logo
6:45 am - 7:05 pm
ORD
-
MDZ
33h 20m
2 stops
LATAM Airlines Logo
7:50 am - 11:56 pm
MDZ
-
ORD
19h 06m
2 stops
$786LATAM Airlines
Tue, Feb 24 - Thu, Feb 26
United Airlines Logo
4:00 pm - 8:00 am
ORD
-
EZE
14h 00m
1 stop
United Airlines Logo
9:00 pm - 11:15 pm
EZE
-
ORD
28h 15m
1 stop
$908United Airlines
Tue, May 5 - Wed, May 13
Copa Airlines Logo
3:22 pm - 1:02 am
ORD
-
EZE
31h 40m
1 stop
Copa Airlines Logo
2:52 pm - 1:46 pm
EZE
-
ORD
24h 54m
1 stop
$909Copa Airlines
Sat, Mar 21 - Mon, Mar 30
United Airlines Logo
12:45 pm - 7:20 am
ORD
-
EZE
15h 35m
1 stop
United Airlines Logo
9:05 pm - 10:07 am
EZE
-
ORD
15h 02m
1 stop
$917United Airlines
Thu, Feb 26 - Mon, Mar 9
Avianca Logo
11:20 pm - 12:25 am
ORD
-
EZE
23h 05m
1 stop
Avianca Logo
7:10 am - 9:20 pm
EZE
-
ORD
16h 10m
1 stop
$919Avianca
Thu, Apr 2 - Sat, Apr 11
Arajet Logo
6:45 am - 10:24 pm
ORD
-
COR
13h 39m
1 stop
Arajet Logo
3:30 am - 10:10 pm
COR
-
ORD
20h 40m
1 stop
$1,007Arajet
Mon, Mar 23 - Sat, Apr 4
Avianca Logo
11:20 pm - 6:20 am
ORD
-
COR
29h 00m
1 stop
Avianca Logo
7:25 am - 9:20 pm
COR
-
ORD
15h 55m
1 stop
$1,027Avianca
Sun, May 17 - Sun, May 31
Copa Airlines Logo
8:34 am - 12:09 am
ORD
-
MDZ
13h 35m
1 stop
Copa Airlines Logo
1:26 am - 11:21 pm
MDZ
-
ORD
23h 55m
1 stop
$1,033Copa Airlines
Mon, Mar 9 - Thu, Mar 12

United Airlines flights from Chicago O'Hare Intl Airport to Argentina

Our best United Airlines deals on Chicago O'Hare Intl Airport to Argentina flight tickets
United Airlines
May 5
ORD4:00 pmChicago O'Hare Intl
14h 00m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
May 13
EZE9:00 pmBuenos Aires Ministro Pistarini
28h 15m
1 stop
ORD11:15 pmChicago O'Hare Intl
$908
United Airlines
Feb 16
ORD4:00 pmChicago O'Hare Intl
14h 20m
1 stop
EZE9:20 amBuenos Aires Ministro Pistarini
Feb 23
EZE10:05 pmBuenos Aires Ministro Pistarini
19h 38m
1 stop
ORD2:43 pmChicago O'Hare Intl
$917
United Airlines
May 10
ORD9:36 pmChicago O'Hare Intl
32h 24m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
May 18
EZE9:00 pmBuenos Aires Ministro Pistarini
24h 55m
1 stop
ORD7:55 pmChicago O'Hare Intl
$926

Copa Airlines flights from Chicago O'Hare Intl Airport to Argentina

Our best Copa Airlines deals on Chicago O'Hare Intl Airport to Argentina flight tickets
Copa Airlines
Mar 21
ORD3:22 pmChicago O'Hare Intl
31h 40m
1 stop
EZE1:02 amBuenos Aires Ministro Pistarini
Mar 30
EZE2:52 pmBuenos Aires Ministro Pistarini
24h 54m
1 stop
ORD1:46 pmChicago O'Hare Intl
$909
Copa Airlines
Jun 6
ORD8:02 amChicago O'Hare Intl
14h 50m
1 stop
EZE12:52 amBuenos Aires Ministro Pistarini
Jun 20
EZE2:49 pmBuenos Aires Ministro Pistarini
25h 17m
1 stop
ORD2:06 pmChicago O'Hare Intl
$925
Copa Airlines
Feb 18
ORD7:34 amChicago O'Hare Intl
36h 00m
1 stop
EZE10:34 pmBuenos Aires Ministro Pistarini
Feb 24
EZE2:20 pmBuenos Aires Ministro Pistarini
25h 11m
1 stop
ORD12:31 pmChicago O'Hare Intl
$940

momondo Fare Finder

 
Customize your flight search to find flights from Chicago O'Hare Intl Airport to Argentina 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 February 3, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Argentina that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoMendoza

ORD - MDZ

ORDMDZ

Chicago O'Hare Intl

Tue 2/24

6:45 am-7:05 pm

2 stops33h 20m

Mendoza El Plumerillo

Thu 2/26

7:50 am-11:56 pm

2 stops19h 06m

$683

ChicagoMendoza

ORD - MDZ

ORDMDZ

Chicago O'Hare Intl

Tue 2/24

7:00 am-7:05 pm

2 stops33h 05m

Mendoza El Plumerillo

Thu 2/26

7:50 am-8:35 am

2 stops27h 45m

$777

ChicagoMendoza

ORD - MDZ

ORDMDZ

Chicago O'Hare Intl

Tue 2/24

6:45 am-7:05 pm

2 stops33h 20m

Mendoza El Plumerillo

Thu 2/26

7:50 am-11:56 pm

2 stops19h 06m

$786

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Tue 5/5

4:00 pm-8:00 am

1 stop14h 00m

Buenos Aires Ministro Pistarini

Wed 5/13

9:00 pm-11:15 pm

1 stop28h 15m

$908

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Sat 3/21

3:22 pm-1:02 am

1 stop31h 40m

Buenos Aires Ministro Pistarini

Mon 3/30

2:52 pm-1:46 pm

1 stop24h 54m

$909

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Thu 2/26

12:45 pm-7:20 am

1 stop15h 35m

Buenos Aires Ministro Pistarini

Mon 3/9

9:05 pm-10:07 am

1 stop15h 02m

$917

ChicagoBuenos Aires

ORD - EZE

ORDEZE

Chicago O'Hare Intl

Thu 4/2

11:20 pm-12:25 am

1 stop23h 05m

Buenos Aires Ministro Pistarini

Sat 4/11

7:10 am-9:20 pm

1 stop16h 10m

$919

ChicagoCordoba

ORD - COR

ORDCOR

Chicago O'Hare Intl

Mon 3/23

6:45 am-10:24 pm

1 stop13h 39m

Cordoba Pajas Blancas

Sat 4/4

3:30 am-10:10 pm

1 stop20h 40m

$1,007

ChicagoCordoba

ORD - COR

ORDCOR

Chicago O'Hare Intl

Sun 5/17

11:20 pm-6:20 am

1 stop29h 00m

Cordoba Pajas Blancas

Sun 5/31

7:25 am-9:20 pm

1 stop15h 55m

$1,027

ChicagoMendoza

ORD - MDZ

ORDMDZ

Chicago O'Hare Intl

Mon 3/9

8:34 am-12:09 am

1 stop13h 35m

Mendoza El Plumerillo

Thu 3/12

1:26 am-11:21 pm

1 stop23h 55m

$1,033

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 Argentina from

How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to Argentina

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 Argentina?

If you are unable to visit Argentina during the month of March, then departing from Chicago O'Hare Intl Airport during the month November is also very affordable. Most momondo users find prices during this month for around $1,015.

How far in advance should I book a flight to Argentina?

You are more likely to see cheaper flights to Argentina from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Argentina for around $1,118 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Argentina from Chicago O'Hare Intl Airport for as low as $760 on momondo.

Can stopping save me money on Chicago O'Hare Intl Airport to Argentina flights?

You could potentially save up to 24% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Argentina flight.

Cheap Chicago O'Hare Intl Airport to Argentina flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to Argentina

Fastest flight time

14h 10m

Direct flights

None
The fastest flight from Chicago O'Hare Intl Airport to Argentina takes 14h 10m
There are no direct flights from Chicago O'Hare Intl Airport to Argentina. There are no popular flight routes from Chicago O'Hare Intl Airport to Argentina.
Search flight deals

  • When did momondo last update prices for flights from Chicago O'Hare Intl Airport to Argentina?

    Prices for flights from Chicago O'Hare Intl Airport to Argentina were last updated today.

  • How many operators does momondo search for flights from Chicago O'Hare Intl Airport to Argentina?

  • How old do you have to be to fly from Chicago O'Hare Intl Airport to Argentina?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chicago O'Hare Intl Airport to Argentina.

  • What documentation or ID do you need to fly to Argentina?

    The travel and health documents you'll need for your trip to Argentina 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 Argentina. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Chicago O'Hare Intl Airport to Argentina

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Argentina with momondo
Airline
Rating
Free Cancellation
Price
ArajetPriceFrom $360Free CancellationRating
6.6
43 reviews
Search Arajet flights
Copa AirlinesPriceFrom $569Free CancellationRating
7.5
1,559 reviews
Search Copa Airlines flights
AviancaPriceFrom $726Free CancellationRating
6.5
2,496 reviews
Search Avianca flights
DeltaPriceFrom $951Free CancellationRating
7.9
8,132 reviews
Search Delta flights
United AirlinesPriceFrom $951Free CancellationRating
7.4
9,231 reviews
Search United Airlines flights
American AirlinesPriceFrom $1,015Free CancellationRating
7.2
11,212 reviews
Search American Airlines flights
LATAM AirlinesPriceFrom $1,165Free CancellationRating
7.5
1,918 reviews
Search LATAM Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Chicago to Argentina?

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 Chicago to Argentina for you.

Can I find flights from Chicago to Argentina with flexible booking policies on momondo?

Yes. All flights to Argentina from Chicago on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Chicago to Argentina?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Chicago to Argentina.

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

If you are simply researching potential flights to Argentina, momondo offers a useful price alert feature which will track prices for flights to Argentina from Chicago and alert you when they change.

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