Cheap flights from Chicago O'Hare Intl Airport to Buenos Aires from $332

1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Chicago O'Hare Intl Airport to Buenos Aires

Cheap round-trip flights

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Arajet Logo
5:30 am - 12:05 amORD  Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini
16h 35m1 stop Punta Cana
Arajet Logo
11:00 am - 11:25 pmEZE  Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl
14h 25m1 stop Punta Cana
$715Arajet
Mon, Apr 19 - Thu, Apr 22
Arajet Logo
5:30 am - 12:05 amORD  Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini
16h 35m1 stop Punta Cana
Arajet Logo
11:00 am - 11:25 pmEZE  Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl
14h 25m1 stop Punta Cana
$758Arajet
Mon, Apr 19 - Thu, Apr 22
Avianca Logo
10:30 pm - 9:20 amORD  Chicago O'Hare Intl-AEP Buenos Aires Jorge Newbery
31h 50m2 stops Bogotá El Dorado Rio de Janeiro–Galeão Intl
Avianca Logo
7:05 am - 8:30 pmAEP  Buenos Aires Jorge Newbery-ORD Chicago O'Hare Intl
16h 25m1 stop Bogotá El Dorado
$858Avianca
Fri, Feb 12 - Mon, Feb 15
Avianca Logo
10:30 pm - 3:40 pmORD  Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini
14h 10m1 stop Bogotá El Dorado
Avianca Logo
1:40 am - 8:30 pmEZE  Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl
21h 50m1 stop Bogotá El Dorado
$898Avianca
Fri, Nov 27 - Wed, Dec 9
Copa Airlines Logo
2:13 pm - 12:52 amORD  Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini
31h 39m1 stop Panama City Tocumen Intl
Copa Airlines Logo
2:45 pm - 12:46 pmEZE  Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl
25h 01m1 stop Panama City Tocumen Intl
$909Copa Airlines
Tue, Nov 24 - Tue, Dec 1
American Airlines Logo
4:44 pm - 10:00 amORD  Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini
14h 16m1 stop Miami
American Airlines Logo
10:50 pm - 11:05 amEZE  Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl
15h 15m1 stop Miami
$913American Airlines
Wed, Dec 2 - Tue, Dec 15
American Airlines Logo
4:57 pm - 10:35 amORD  Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini
14h 38m1 stop New York John F Kennedy Intl
American Airlines Logo
9:20 pm - 11:02 amEZE  Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl
16h 42m2 stops Miami Charlotte Douglas
$913American Airlines
Wed, Dec 2 - Tue, Dec 15
Copa Airlines Logo
2:13 pm - 12:52 amORD  Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini
31h 39m1 stop Panama City Tocumen Intl
Copa Airlines Logo
2:45 pm - 12:46 pmEZE  Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl
25h 01m1 stop Panama City Tocumen Intl
$914Copa Airlines
Tue, Nov 24 - Tue, Dec 1
LATAM Airlines Logo
5:30 am - 7:35 amORD  Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini
23h 05m1 stop Atlanta Hartsfield-Jackson
LATAM Airlines Logo
11:35 pm - 1:20 pmEZE  Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl
16h 45m1 stop Atlanta Hartsfield-Jackson
$918LATAM Airlines
Wed, Feb 17 - Tue, Mar 2
LATAM Airlines Logo
5:30 am - 7:35 amORD  Chicago O'Hare Intl-EZE Buenos Aires Ministro Pistarini
23h 05m1 stop Atlanta Hartsfield-Jackson
LATAM Airlines Logo
9:30 pm - 8:34 amEZE  Buenos Aires Ministro Pistarini-ORD Chicago O'Hare Intl
14h 04m1 stop Atlanta Hartsfield-Jackson
$918LATAM Airlines
Thu, Jan 14 - Sat, Jan 30

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United Airlines flights from Chicago O'Hare Intl Airport to Buenos Aires

Our best United Airlines deals on Chicago O'Hare Intl Airport to Buenos Aires flight tickets
United Airlines
Nov 12
ORD2:22 pmChicago O'Hare Intl
15h 58m
1 stop
EZE9:20 amBuenos Aires Ministro Pistarini
Nov 16
EZE10:05 pmBuenos Aires Ministro Pistarini
19h 46m
1 stop
ORD2:51 pmChicago O'Hare Intl
$926
United Airlines
Nov 10
ORD6:30 pmChicago O'Hare Intl
35h 50m
1 stop
EZE9:20 amBuenos Aires Ministro Pistarini
Nov 14
EZE11:55 pmBuenos Aires Ministro Pistarini
24h 45m
1 stop
ORD9:40 pmChicago O'Hare Intl
$936
United Airlines
Feb 9
ORD9:18 amChicago O'Hare Intl
19h 02m
1 stop
EZE7:20 amBuenos Aires Ministro Pistarini
Feb 16
EZE11:55 pmBuenos Aires Ministro Pistarini
17h 51m
1 stop
ORD2:46 pmChicago O'Hare Intl
$976

Delta flights from Chicago O'Hare Intl Airport to Buenos Aires

Our best Delta deals on Chicago O'Hare Intl Airport to Buenos Aires flight tickets
Delta
Dec 1
ORD3:59 pmChicago O'Hare Intl
19h 01m
2 stops
AEP2:00 pmBuenos Aires Jorge Newbery
Dec 10
AEP8:05 pmBuenos Aires Jorge Newbery
17h 20m
2 stops
ORD10:25 amChicago O'Hare Intl
$926
Delta
Dec 3
ORD1:34 pmChicago O'Hare Intl
17h 06m
1 stop
EZE9:40 amBuenos Aires Ministro Pistarini
Dec 17
EZE8:05 pmBuenos Aires Ministro Pistarini
17h 54m
2 stops
ORD10:59 amChicago O'Hare Intl
$930
Delta
Feb 20
ORD5:30 amChicago O'Hare Intl
25h 10m
1 stop
EZE9:40 amBuenos Aires Ministro Pistarini
Feb 28
EZE11:35 pmBuenos Aires Ministro Pistarini
21h 57m
1 stop
ORD6:32 pmChicago O'Hare Intl
$931

momondo Fare Finder

 
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoBuenos Aires

ORD Chicago O'Hare Intl - EZE Buenos Aires Ministro Pistarini

ORDEZE

Chicago O'Hare Intl

Mon 4/19

5:30 am-12:05 am

1 stop16h 35m

Buenos Aires Ministro Pistarini

Thu 4/22

11:00 am-11:25 pm

1 stop14h 25m

$715

ChicagoBuenos Aires

ORD Chicago O'Hare Intl - EZE Buenos Aires Ministro Pistarini

ORDEZE

Chicago O'Hare Intl

Mon 4/19

5:30 am-12:05 am

1 stop16h 35m

Buenos Aires Ministro Pistarini

Thu 4/22

11:00 am-11:25 pm

1 stop14h 25m

$758

ChicagoBuenos Aires

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

ORDAEP

Chicago O'Hare Intl

Fri 2/12

10:30 pm-9:20 am

2 stops31h 50m

Buenos Aires Jorge Newbery

Mon 2/15

7:05 am-8:30 pm

1 stop16h 25m

$858

ChicagoBuenos Aires

ORD Chicago O'Hare Intl - EZE Buenos Aires Ministro Pistarini

ORDEZE

Chicago O'Hare Intl

Fri 11/27

10:30 pm-3:40 pm

1 stop14h 10m

Buenos Aires Ministro Pistarini

Wed 12/9

1:40 am-8:30 pm

1 stop21h 50m

$898

ChicagoBuenos Aires

ORD Chicago O'Hare Intl - EZE Buenos Aires Ministro Pistarini

ORDEZE

Chicago O'Hare Intl

Tue 11/24

2:13 pm-12:52 am

1 stop31h 39m

Buenos Aires Ministro Pistarini

Tue 12/1

2:45 pm-12:46 pm

1 stop25h 01m

$909
Quickest round-trip

ChicagoBuenos Aires

ORD Chicago O'Hare Intl - EZE Buenos Aires Ministro Pistarini

ORDEZE

Chicago O'Hare Intl

Wed 12/2

4:44 pm-10:00 am

1 stop14h 16m

Buenos Aires Ministro Pistarini

Tue 12/15

10:50 pm-11:05 am

1 stop15h 15m

$913

ChicagoBuenos Aires

ORD Chicago O'Hare Intl - EZE Buenos Aires Ministro Pistarini

ORDEZE

Chicago O'Hare Intl

Wed 12/2

4:57 pm-10:35 am

1 stop14h 38m

Buenos Aires Ministro Pistarini

Tue 12/15

9:20 pm-11:02 am

2 stops16h 42m

$913

ChicagoBuenos Aires

ORD Chicago O'Hare Intl - EZE Buenos Aires Ministro Pistarini

ORDEZE

Chicago O'Hare Intl

Tue 11/24

2:13 pm-12:52 am

1 stop31h 39m

Buenos Aires Ministro Pistarini

Tue 12/1

2:45 pm-12:46 pm

1 stop25h 01m

$914

ChicagoBuenos Aires

ORD Chicago O'Hare Intl - EZE Buenos Aires Ministro Pistarini

ORDEZE

Chicago O'Hare Intl

Wed 2/17

5:30 am-7:35 am

1 stop23h 05m

Buenos Aires Ministro Pistarini

Tue 3/2

11:35 pm-1:20 pm

1 stop16h 45m

$918

ChicagoBuenos Aires

ORD Chicago O'Hare Intl - EZE Buenos Aires Ministro Pistarini

ORDEZE

Chicago O'Hare Intl

Thu 1/14

5:30 am-7:35 am

1 stop23h 05m

Buenos Aires Ministro Pistarini

Sat 1/30

9:30 pm-8:34 am

1 stop14h 04m

$918

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 Chicago O'Hare Intl Airport to Buenos Aires

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 typical price of a round-trip flight between Chicago O'Hare Intl Airport and Buenos Aires?

Prices are currently low for flights on this route.

Typical prices usually range from $901 to $1,159.
The lowest price recently found on this route was $715.

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from Chicago O'Hare Intl Airport is in November. Flight prices, which tend to average around $1,033, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Buenos Aires from Chicago O'Hare Intl Airport during May instead. Flights to Buenos Aires in May, while not as cheap as those in November, still average around $1,037.

How far in advance should I book a flight from Chicago O'Hare Intl Airport to Buenos Aires?

You are more likely to see cheaper flights to Buenos Aires from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Buenos Aires for around $1,226 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Buenos Aires from Chicago O'Hare Intl Airport for as low as $625 on momondo.

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

You could potentially save up to 30% on your flight if you consider stops on a Chicago O'Hare Intl Airport to Buenos Aires flight.

When to book flights from Chicago O'Hare Intl Airport to Buenos Aires

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago O'Hare Intl Airport to Buenos Aires according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Chicago O'Hare Intl Airport to Buenos Aires (ORD to BUE) flight deals and tips

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

Best Price Found

$332

Fastest flight time

14h 18m

Direct flights

None
The best one-way flight to Buenos Aires from Chicago O'Hare Intl Airport in the past 72 hours is $332. The best round-trip flight deal from Chicago O'Hare Intl Airport to Buenos Aires found on momondo in the last 72 hours is $715.
The fastest flight from Chicago O'Hare Intl Airport to Buenos Aires takes 14h 18m
There are no direct flights from Chicago O'Hare Intl Airport to Buenos Aires. There are no popular flight routes from Chicago O'Hare Intl Airport to Buenos Aires.

Frequently asked questions about flying from Chicago O'Hare Intl Airport to Buenos Aires

  • How far is Chicago O'Hare Intl to Buenos Aires by plane?

    Buenos Aires is 5608.8 mi away from Chicago O'Hare Intl. Typically, this will take 14h 18m by plane in normal conditions.

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

    Prices for flights from Chicago O'Hare Intl Airport to Buenos Aires are updated daily.

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

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

    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 Chicago O'Hare Intl Airport to Buenos Aires.

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

    The required travel and health documents for your Buenos Aires 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. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Chicago O'Hare Intl Airport to Buenos Aires?

Best airlines flying from Chicago O'Hare Intl Airport to Buenos Aires

Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to Buenos Aires with momondo
Airline
Rating
Free Cancellation
Price
ArajetPriceFrom $576Free CancellationRating
6.4
59 reviews
Search Arajet flights
LATAM AirlinesPriceFrom $727Free CancellationRating
7.4
1,970 reviews
Search LATAM Airlines flights
Copa AirlinesPriceFrom $770Free CancellationRating
7.6
1,553 reviews
Search Copa Airlines flights
AviancaPriceFrom $792Free CancellationRating
6.5
2,549 reviews
Search Avianca flights
DeltaPriceFrom $901Free CancellationRating
7.8
8,695 reviews
Search Delta flights
American AirlinesPriceFrom $968Free CancellationRating
7.0
12,212 reviews
Search American Airlines flights
United AirlinesPriceFrom $1,015Free CancellationRating
7.3
10,453 reviews
Search United Airlines flights
AeromexicoPriceFrom $1,025Free CancellationRating
7.5
1,428 reviews
Search Aeromexico flights

Why use momondo?

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

It is quick and easy to find Chicago to Buenos Aires flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Buenos Aires that suits you.

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

Yes. momondo allows you to filter the results for Chicago to Buenos Aires flights to just show those with flexible booking policies.

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

Once all potential Chicago to Buenos Aires flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Chicago 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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1 adult
Sun 11/29
Sun 12/6

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