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 Copa Airlines 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 54% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 5 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 5 operators available for flights from Buenos Aires to Chicago O'Hare Intl Airport as of August 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.

$360 Cheap Flights from Buenos Aires to Chicago O'Hare Intl Airport in 2026

Discover deals from 900+ travel sites with momondo.

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.

11:00 am - 11:40 pm-

14h 40m

5:30 am - 12:05 am-

16h 35m

$498Arajet

Thu, Oct 1 - Mon, Oct 5

11:00 am - 11:40 pm-

14h 40m

5:45 am - 6:45 am-

22h 00m

$630Arajet

Thu, Oct 22 - Fri, Nov 6

11:00 am - 11:40 pm-

14h 40m

4:44 pm - 3:00 am-

31h 16m

$648Multiple Airlines

Thu, Oct 22 - Mon, Nov 9

12:15 pm - 9:20 pm-

35h 05m

5:30 am - 12:05 am-

16h 35m

$704Multiple Airlines

Mon, Aug 31 - Mon, Sep 7

8:45 pm - 3:30 pm-

20h 45m

4:01 pm - 11:05 am-

17h 04m

$940American Airlines

Mon, Sep 21 - Tue, Sep 29

10:30 pm - 8:03 pm-

23h 33m

8:42 am - 8:30 am-

21h 48m

$940American Airlines

Wed, Sep 2 - Wed, Sep 9

8:59 am - 1:02 am-

18h 03m

8:01 am - 4:21 am-

18h 20m

$978Copa Airlines

Tue, Sep 22 - Tue, Sep 29

5:25 am - 12:57 am-

21h 32m

8:35 am - 3:34 am-

16h 59m

$980Copa Airlines

Fri, Oct 16 - Wed, Oct 28

8:10 pm - 1:08 pm-

18h 58m

1:50 pm - 9:40 am-

17h 50m

$983Delta

Mon, Aug 24 - Sun, Aug 30

8:10 pm - 9:23 am-

15h 13m

1:50 pm - 9:40 am-

17h 50m

$983Delta

Mon, Aug 24 - Sun, Aug 30

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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

Aug 18

EZE8:10 pmBuenos Aires Ministro Pistarini

24h 39m

1 stop

ORD6:49 pmChicago O'Hare Intl

Aug 29

ORD8:05 amChicago O'Hare Intl

23h 40m

1 stop

EZE9:45 amBuenos Aires Ministro Pistarini

$992

LATAM Airlines

Sep 4

AEP9:25 amBuenos Aires Jorge Newbery

29h 15m

2 stops

ORD12:40 pmChicago O'Hare Intl

Sep 22

ORD5:30 amChicago O'Hare Intl

24h 10m

2 stops

AEP7:40 amBuenos Aires Jorge Newbery

$994

LATAM Airlines

Sep 15

AEP8:05 pmBuenos Aires Jorge Newbery

24h 40m

2 stops

ORD6:45 pmChicago O'Hare Intl

Sep 22

ORD10:25 amChicago O'Hare Intl

33h 05m

2 stops

AEP9:30 pmBuenos Aires Jorge Newbery

$1,019

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

Oct 1

EZE11:00 amBuenos Aires Ministro Pistarini

14h 40m

1 stop

ORD11:40 pmChicago O'Hare Intl

Oct 5

ORD5:30 amChicago O'Hare Intl

16h 35m

1 stop

EZE12:05 amBuenos Aires Ministro Pistarini

$498

Arajet

Oct 22

EZE11:00 amBuenos Aires Ministro Pistarini

14h 40m

1 stop

ORD11:40 pmChicago O'Hare Intl

Nov 8

ORD3:20 amChicago O'Hare Intl

13h 55m

1 stop

EZE8:15 pmBuenos Aires Ministro Pistarini

$646

Arajet

Oct 22

EZE11:00 amBuenos Aires Ministro Pistarini

14h 40m

1 stop

ORD11:40 pmChicago O'Hare Intl

Nov 8

ORD3:20 amChicago O'Hare Intl

13h 55m

1 stop

EZE8:15 pmBuenos Aires Ministro Pistarini

$684

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

Quickest round-trip

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Thu 10/1

11:00 am-11:40 pm

1 stop14h 40m

Chicago O'Hare Intl

Mon 10/5

5:30 am-12:05 am

1 stop16h 35m

$498

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Thu 10/22

11:00 am-11:40 pm

1 stop14h 40m

Chicago O'Hare Intl

Fri 11/6

5:45 am-6:45 am

1 stop22h 00m

$630

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Thu 10/22

11:00 am-11:40 pm

1 stop14h 40m

Chicago O'Hare Intl

Mon 11/9

4:44 pm-3:00 am

2 stops31h 16m

$648

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Mon 8/31

12:15 pm-9:20 pm

2 stops35h 05m

Chicago O'Hare Intl

Mon 9/7

5:30 am-12:05 am

1 stop16h 35m

$704

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Mon 9/21

8:45 pm-3:30 pm

1 stop20h 45m

Chicago O'Hare Intl

Tue 9/29

4:01 pm-11:05 am

1 stop17h 04m

$940

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Wed 9/2

10:30 pm-8:03 pm

1 stop23h 33m

Chicago O'Hare Intl

Wed 9/9

8:42 am-8:30 am

1 stop21h 48m

$940

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Tue 9/22

8:59 am-1:02 am

1 stop18h 03m

Chicago O'Hare Intl

Tue 9/29

8:01 am-4:21 am

1 stop18h 20m

$978

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Fri 10/16

5:25 am-12:57 am

1 stop21h 32m

Chicago O'Hare Intl

Wed 10/28

8:35 am-3:34 am

1 stop16h 59m

$980

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Mon 8/24

8:10 pm-1:08 pm

2 stops18h 58m

Chicago O'Hare Intl

Sun 8/30

1:50 pm-9:40 am

2 stops17h 50m

$983

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Mon 8/24

8:10 pm-9:23 am

1 stop15h 13m

Chicago O'Hare Intl

Sun 8/30

1:50 pm-9:40 am

2 stops17h 50m

$983

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?

Prices are currently low for flights on this route.

Typical prices usually range from $1,170 to $1,344.
The lowest price recently found on this route was $498.

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

The month of December is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Buenos Aires averaging around $950.

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

You could potentially save up to 58% 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	14h 40m
Direct flights	None

The fastest flight from Buenos Aires to Chicago O'Hare Intl Airport takes 14h 40m

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 14h 40m.
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 5 operators available for flights from Buenos Aires to Chicago O'Hare Intl Airport as of August 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 100% of all bookings.

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 7.6 1,566 reviews	Search Copa Airlines flights
Arajet	PriceFrom $506	Free Cancellation	Rating 6.3 51 reviews	Search Arajet flights
Avianca	PriceFrom $578	Free Cancellation	Rating 6.5 2,523 reviews	Search Avianca flights
American Airlines	PriceFrom $820	Free Cancellation	Rating 7.1 11,846 reviews	Search American Airlines flights
Delta	PriceFrom $884	Free Cancellation	Rating 7.8 8,490 reviews	Search Delta flights

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Kenosha

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Racine

Aurora

Janesville

Elgin

South Holland

Evanston

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 $360

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 11/1. 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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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

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

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

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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