What is the cheapest airline that flies from Buenos Aires to Chicago O'Hare Intl?

Arajet is the most popular carrier operating from Buenos Aires to Chicago O'Hare Intl

What airlines fly to Chicago O'Hare Intl Airport?

American Airlines, Delta and Avianca are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from Buenos Aires according to our data. American Airlines is the first choice among our users, with 49% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 4 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Buenos Aires to Chicago O'Hare Intl Airport are refreshed on a daily basis.

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

There are 4 operators available for flights from Buenos Aires to Chicago O'Hare Intl Airport as of June 2026.

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

What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

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

$417 Cheap Flights from Buenos Aires to Chicago O'Hare Intl Airport in 2026

Q: What is the typical price of a round-trip flight between Buenos Aires and Chicago O'Hare Intl Airport?

Prices are currently low for flights on this route. Typical prices usually range from $1,488 to $1,278. The lowest price recently found on this route was $814.

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Find the cheapest flights from Buenos Aires to Chicago

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:45 am - 11:40 pm

EZE

ORD

15h 55m

1 stop

5:30 am - 12:05 am

ORD

EZE

16h 35m

1 stop

$814Arajet

Thu, Aug 6 - Mon, Aug 31

9:15 pm - 11:40 pm

EZE

ORD

28h 25m

1 stop

9:07 pm - 7:57 am

ORD

EZE

32h 50m

2 stops

$830Multiple Airlines

Wed, Aug 12 - Wed, Aug 26

11:00 am - 11:40 pm

EZE

ORD

14h 40m

1 stop

12:12 pm - 4:10 am

ORD

EZE

13h 58m

1 stop

$852Arajet

Thu, Jul 30 - Sat, Aug 29

11:00 am - 11:40 pm

EZE

ORD

14h 40m

1 stop

5:30 am - 12:05 am

ORD

EZE

16h 35m

1 stop

$853Arajet

Thu, Jul 30 - Mon, Aug 24

12:15 pm - 1:02 am

EZE

ORD

38h 47m

2 stops

5:30 am - 8:15 am

ORD

EZE

24h 45m

1 stop

$857Multiple Airlines

Mon, Aug 3 - Mon, Aug 24

11:00 am - 11:40 pm

EZE

ORD

14h 40m

1 stop

5:30 am - 12:05 am

ORD

EZE

16h 35m

1 stop

$868Arajet

Thu, Jul 30 - Mon, Aug 17

7:30 pm - 9:20 pm

EZE

ORD

27h 50m

2 stops

5:30 am - 8:15 am

ORD

EZE

24h 45m

1 stop

$871Multiple Airlines

Wed, Jul 29 - Mon, Aug 24

8:05 pm - 6:45 pm

AEP

ORD

24h 40m

2 stops

10:50 am - 7:40 am

ORD

AEP

18h 50m

2 stops

$983Delta

Tue, Sep 15 - Tue, Sep 22

8:05 pm - 2:32 pm

AEP

ORD

20h 27m

2 stops

5:30 am - 7:40 am

ORD

AEP

24h 10m

2 stops

$992LATAM Airlines

Tue, Sep 15 - Tue, Sep 22

8:40 am - 2:32 pm

AEP

ORD

31h 52m

2 stops

1:55 pm - 2:50 pm

ORD

AEP

22h 55m

2 stops

$1,034LATAM Airlines

Mon, Sep 21 - Tue, Sep 29

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

Our best Arajet deals on Buenos Aires to Chicago O'Hare Intl Airport flight tickets

Arajet

Aug 6

EZE9:45 amBuenos Aires Ministro Pistarini

15h 55m

1 stop

ORD11:40 pmChicago O'Hare Intl

Aug 31

ORD5:30 amChicago O'Hare Intl

16h 35m

1 stop

EZE12:05 amBuenos Aires Ministro Pistarini

$814

Arajet

Jul 30

EZE11:00 amBuenos Aires Ministro Pistarini

14h 40m

1 stop

ORD11:40 pmChicago O'Hare Intl

Aug 29

ORD12:12 pmChicago O'Hare Intl

13h 58m

1 stop

EZE4:10 amBuenos Aires Ministro Pistarini

$852

Arajet

Jul 30

EZE11:00 amBuenos Aires Ministro Pistarini

14h 40m

1 stop

ORD11:40 pmChicago O'Hare Intl

Aug 24

ORD5:30 amChicago O'Hare Intl

16h 35m

1 stop

EZE12:05 amBuenos Aires Ministro Pistarini

$853

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

Our best LATAM Airlines deals on Buenos Aires to Chicago O'Hare Intl Airport flight tickets

LATAM Airlines

Sep 15

AEP8:05 pmBuenos Aires Jorge Newbery

20h 27m

2 stops

ORD2:32 pmChicago O'Hare Intl

Sep 22

ORD5:30 amChicago O'Hare Intl

24h 10m

2 stops

AEP7:40 amBuenos Aires Jorge Newbery

$992

LATAM Airlines

Sep 21

AEP8:40 amBuenos Aires Jorge Newbery

31h 52m

2 stops

ORD2:32 pmChicago O'Hare Intl

Sep 29

ORD1:55 pmChicago O'Hare Intl

22h 55m

2 stops

AEP2:50 pmBuenos Aires Jorge Newbery

$1,034

LATAM Airlines

Sep 14

AEP5:35 pmBuenos Aires Jorge Newbery

22h 57m

2 stops

ORD2:32 pmChicago O'Hare Intl

Sep 21

ORD5:30 amChicago O'Hare Intl

25h 00m

2 stops

AEP8:30 amBuenos Aires Jorge Newbery

$1,064

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Thu 8/6

9:45 am-11:40 pm

1 stop15h 55m

Chicago O'Hare Intl

Mon 8/31

5:30 am-12:05 am

1 stop16h 35m

$814

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Wed 8/12

9:15 pm-11:40 pm

1 stop28h 25m

Chicago O'Hare Intl

Wed 8/26

9:07 pm-7:57 am

2 stops32h 50m

$830

Quickest round-trip

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Thu 7/30

11:00 am-11:40 pm

1 stop14h 40m

Chicago O'Hare Intl

Sat 8/29

12:12 pm-4:10 am

1 stop13h 58m

$852

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Thu 7/30

11:00 am-11:40 pm

1 stop14h 40m

Chicago O'Hare Intl

Mon 8/24

5:30 am-12:05 am

1 stop16h 35m

$853

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Mon 8/3

12:15 pm-1:02 am

2 stops38h 47m

Chicago O'Hare Intl

Mon 8/24

5:30 am-8:15 am

1 stop24h 45m

$857

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Thu 7/30

11:00 am-11:40 pm

1 stop14h 40m

Chicago O'Hare Intl

Mon 8/17

5:30 am-12:05 am

1 stop16h 35m

$868

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Wed 7/29

7:30 pm-9:20 pm

2 stops27h 50m

Chicago O'Hare Intl

Mon 8/24

5:30 am-8:15 am

1 stop24h 45m

$871

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Tue 9/15

8:05 pm-6:45 pm

2 stops24h 40m

Chicago O'Hare Intl

Tue 9/22

10:50 am-7:40 am

2 stops18h 50m

$983

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Tue 9/15

8:05 pm-2:32 pm

2 stops20h 27m

Chicago O'Hare Intl

Tue 9/22

5:30 am-7:40 am

2 stops24h 10m

$992

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Mon 9/21

8:40 am-2:32 pm

2 stops31h 52m

Chicago O'Hare Intl

Tue 9/29

1:55 pm-2:50 pm

2 stops22h 55m

$1,034

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Buenos Aires to Chicago O'Hare Intl 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

Prices

Airlines

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

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The month of January is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Buenos Aires averaging around $484.

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

You could potentially save up to 37% on your flight if you consider stops on a Buenos Aires to Chicago O'Hare Intl Airport flight.

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

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

Estimated round-trip price

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

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

Fastest flight time	15h 11m
Direct flights	None

The fastest flight from Buenos Aires to Chicago O'Hare Intl Airport takes 15h 11m

There are no direct flights from Buenos Aires to Chicago O'Hare Intl Airport. There are no popular flight routes from Buenos Aires to Chicago O'Hare Intl Airport.

Search flight deals

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

How far is Buenos Aires to Chicago O'Hare Intl by plane?
The distance between Buenos Aires and Chicago O'Hare Intl is about 5608.8 mi. By plane, this route typically takes 15h 11m.
When did momondo last update prices for flights from Buenos Aires to Chicago O'Hare Intl Airport?
Prices for flights from Buenos Aires to Chicago O'Hare Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Buenos Aires to Chicago O'Hare Intl Airport?
There are 4 operators available for flights from Buenos Aires to Chicago O'Hare Intl Airport as of June 2026.
How old do you have to be to fly from Buenos Aires to Chicago O'Hare Intl 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 Buenos Aires to Chicago O'Hare Intl Airport.
What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?
The travel and health documents you'll need for your trip to Chicago O'Hare Intl 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 Chicago O'Hare Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Buenos Aires to Chicago O'Hare Intl Airport?
momondo data reveals that the most frequently booked airline on the route from Buenos Aires to Chicago O'Hare Intl Airport is American Airlines, representing 69% of all bookings. The subsequent popular airline is Copa Airlines at 31%.

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

Compare and see reviews for airlines that fly from Buenos Aires to Chicago O'Hare Intl Airport with momondo

Airline	Rating	Free Cancellation	Price
Copa Airlines	PriceFrom $484	Free Cancellation	Rating 7.5 1,568 reviews	Search Copa Airlines flights
Avianca	PriceFrom $578	Free Cancellation	Rating 6.5 2,531 reviews	Search Avianca flights
American Airlines	PriceFrom $820	Free Cancellation	Rating 7.1 11,655 reviews	Search American Airlines flights
Delta	PriceFrom $884	Free Cancellation	Rating 7.8 8,398 reviews	Search Delta flights

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Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Chicago from Buenos Aires.

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

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

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

Once all potential Buenos Aires to Chicago 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 Buenos Aires to Chicago right now. Can momondo alert me if prices change?

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

An easier way to manage your Chicago O'Hare Intl Airport trip

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Cheap flights from Buenos Aires to Chicago from $417

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Buenos Aires to Chicago departing on 9/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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

Our best Arajet deals on Buenos Aires to Chicago O'Hare Intl Airport flight tickets

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

Our best LATAM Airlines deals on Buenos Aires to Chicago O'Hare Intl Airport flight tickets

momondo Fare Finder

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

See travel insights to Chicago from

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

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

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

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

What is the cheapest airline that flies from Buenos Aires to Chicago O'Hare Intl?

What airlines fly to Chicago O'Hare Intl Airport?

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

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

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

Fastest flight time

Direct flights

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

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

Compare and see reviews for airlines that fly from Buenos Aires to Chicago O'Hare Intl Airport with momondo

Traveling to a place near Chicago?

Why use momondo?

An easier way to manage your Chicago O'Hare Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Chicago

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