What are the cheapest airlines flying from Buenos Aires to Chicago O'Hare Intl Airport round-trip?

Currently priced at $1,116, Avianca will fly you from Buenos Aires to Chicago O'Hare Intl Airport and back. In addition to Avianca, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Copa Airlines - these airlines can fly you to your destination from $1,127 and $1,132, respectively. Avianca is priced at 20% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from Buenos Aires to Chicago O'Hare Intl Airport one-way?

The cheapest airlines for a one-way flight from Buenos Aires to Chicago O'Hare Intl Airport are Avianca ($474), Air Canada ($652), and American Airlines ($798).

What is the cheapest day to fly from Buenos Aires to Chicago O'Hare Intl Airport?

Travelers seeking maximum savings on their Buenos Aires to Chicago O'Hare Intl Airport flight should consider departing on Wednesday mornings when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Buenos Aires to Chicago O'Hare Intl Airport?

Before booking your flight from Buenos Aires to Chicago O'Hare Intl Airport check out the most popular airlines for this route: American Airlines, Avianca or Copa Airlines.

What is the cheapest day to fly round-trip from Buenos Aires to Chicago O'Hare Intl Airport?

Flights from Buenos Aires to Chicago O'Hare Intl Airport are found to be more expensive on Saturday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Chicago O'Hare Intl Airport.

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

To save on the cost of your flight from Buenos Aires to Chicago O'Hare Intl Airport, book at least 25 days before your planned departure. Booking around this time can save you about 69% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $1,231 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,484.

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

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, October can be a great choice for travel to Chicago O'Hare Intl Airport. Flights to Chicago O'Hare Intl Airport from Buenos Aires in October are about $1,297 on average during October, but can be found for as low as $716.

Most accurate provider : When it comes to deals on Buenos Aires-Chicago O'Hare Intl Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Buenos Aires-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Buenos Aires-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Buenos Aires-Chicago O'Hare Intl Airport flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buenos Aires-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Buenos Aires to O'Hare Intl that include hotel bookings?

Yes. In addition to deals on Buenos Aires to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Buenos Aires to O'Hare Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buenos Aires to O'Hare Intl.

Can I find deals for business class flights from Buenos Aires to O'Hare Intl?

Yes. Cheapflights offers flight deals from Buenos Aires to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$441+ Flights from Buenos Aires to Chicago O'Hare Intl Airport

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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Cheap flight deals from Buenos Aires to O'Hare Intl

Most accurate provider	AranGrant 3 stars
Most trusted provider	AranGrant 3 stars
Round-trip from	$1,116 (Avianca)
One-way from	$441 (Kiwi.com)
Popular in	March
Cheapest in	June
Average price	$1,395

Provider with most accurate pricing for Buenos Aires (BUE)-Chicago O'Hare Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Buenos Aires (BUE)-Chicago O'Hare Intl flights.

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From Buenos Aires (BUE) to Chicago O'Hare Intl

Search Deals

One-way flight from Buenos Aires (BUE) to Chicago O'Hare Intl

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($247 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($44 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

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Find flight deals from Buenos Aires to O'Hare Intl

Cheapest flights from Buenos Aires to O'Hare Intl
Explore the most affordable flight options available from Buenos Aires to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Mon 5/192:30 amEZE - ORD

2 stops36h 45mAvianca

Tue 5/272:35 pmORD - EZE

1 stop31h 35mAvianca

Deal found 4/29

$1,116

Tue 6/107:00 amAEP - ORD

3 stops33h 25mAvianca

Sun 6/153:45 pmORD - AEP

2 stops35h 55mAvianca

Deal found 4/28

$1,118

Thu 7/173:40 pmEZE - ORD

3 stops23h 35mMultiple Airlines

Thu 7/317:00 amORD - EZE

3 stops29h 50mMultiple Airlines

Deal found 4/29

$1,124

Tue 9/98:10 pmEZE - ORD

1 stop14h 24mDelta

Tue 9/167:10 amORD - EZE

2 stops20h 45mDelta

Deal found 4/29

$1,125

Tue 8/56:20 pmAEP - ORD

2 stops20h 55mMultiple Airlines

Thu 8/142:35 pmORD - AEP

1 stop35h 30mMultiple Airlines

Deal found 4/29

$1,125

Sat 5/174:35 pmEZE - ORD

3 stops27h 47mAir Canada

Sat 5/315:58 pmORD - EZE

3 stops42h 32mAir Canada

Deal found 4/29

$1,127

Tue 7/152:32 pmEZE - ORD

1 stop25h 10mCopa Airlines

Mon 7/281:07 amORD - EZE

1 stop21h 44mCopa Airlines

Deal found 4/29

$1,132

Mon 10/68:10 pmAEP - ORD

2 stops19h 08mLATAM Airlines

Tue 10/145:55 pmORD - AEP

2 stops20h 05mLATAM Airlines

Deal found 4/28

$1,134

Tue 9/910:00 pmEZE - ORD

2 stops17h 35mAmerican Airlines

Mon 9/293:33 pmORD - EZE

2 stops15h 27mAmerican Airlines

Deal found 4/29

$1,140

Sun 9/73:40 amAEP - ORD

2 stops20h 54mGOL

Mon 9/153:22 pmORD - AEP

2 stops19h 38mGOL

Deal found 4/29

$1,143

Wed 7/239:00 pmEZE - ORD

1 stop36h 56mUnited Airlines

Sat 8/29:50 pmORD - EZE

1 stop32h 10mUnited Airlines

Deal found 4/29

$1,149

Wed 10/13:55 amEZE - ORD

2 stops21h 58mLATAM Airlines

Thu 10/162:00 pmORD - EZE

2 stops30h 27mLATAM Airlines

Deal found 4/28

$1,173

Best flights from Buenos Aires to O'Hare Intl
Discover carefully curated flight deals from Buenos Aires to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 29, 2025.

Mon 5/192:30 amEZE - ORD

2 stops36h 45mAvianca

Tue 5/272:35 pmORD - EZE

1 stop31h 35mAvianca

Deal found 4/29

$1,116

Thu 7/173:40 pmEZE - ORD

3 stops23h 35mMultiple Airlines

Thu 7/317:00 amORD - EZE

3 stops29h 50mMultiple Airlines

Deal found 4/29

$1,124

Sat 5/174:35 pmEZE - ORD

3 stops27h 47mAir Canada

Sat 5/315:58 pmORD - EZE

3 stops42h 32mAir Canada

Deal found 4/29

$1,127

Tue 7/152:32 pmEZE - ORD

1 stop25h 10mCopa Airlines

Mon 7/281:07 amORD - EZE

1 stop21h 44mCopa Airlines

Deal found 4/29

$1,132

Wed 7/239:00 pmEZE - ORD

1 stop36h 56mUnited Airlines

Sat 8/29:50 pmORD - EZE

1 stop32h 10mUnited Airlines

Deal found 4/29

$1,149

Tue 7/18:10 pmAEP - ORD

2 stops18h 37mLATAM Airlines

Tue 7/811:20 amORD - AEP

2 stops24h 40mLATAM Airlines

Deal found 4/29

$1,166

Wed 7/2311:25 pmEZE - ORD

2 stops38h 44mAeromexico

Tue 8/56:59 amORD - EZE

1 stop36h 26mAeromexico

Deal found 4/29

$1,178

Tue 6/178:10 pmEZE - ORD

1 stop14h 29mDelta

Thu 7/1011:00 amORD - EZE

2 stops20h 45mDelta

Deal found 4/28

$1,399

Sat 5/178:50 pmEZE - ORD

1 stop14h 10mAmerican Airlines

Mon 6/910:03 amORD - EZE

1 stop22h 12mAmerican Airlines

Deal found 4/28

$1,497

Tue 6/107:00 amAEP - ORD

3 stops33h 25mAvianca

Sun 6/153:45 pmORD - AEP

2 stops35h 55mAvianca

Deal found 4/28

$1,118

Tue 6/173:40 amAEP - ORD

2 stops39h 22mGOL

Wed 6/252:38 pmORD - AEP

2 stops20h 22mGOL

Deal found 4/28

$2,267

Tue 7/17:00 amAEP - ORD

1 stop32h 15mMultiple Airlines

Tue 7/86:30 pmORD - AEP

2 stops17h 30mMultiple Airlines

Deal found 4/29

$1,175

Last-minute flights from Buenos Aires to O'Hare Intl
Discover last-minute flight deals from Buenos Aires to O'Hare Intl. Data last updated April 29, 2025 and is based on user searches.

Sat 5/33:47 amEZE - ORD

1 stop22h 47mCopa Airlines

Fri 6/203:07 pmORD - EZE

1 stop15h 07mCopa Airlines

Deal found 4/28

$1,539

Sun 5/410:15 pmEZE - ORD

2 stops16h 54mAmerican Airlines

Fri 6/204:59 pmORD - EZE

1 stop15h 16mAmerican Airlines

Deal found 4/29

$1,560

Sun 5/412:45 pmAEP - ORD

1 stop26h 30mMultiple Airlines

Fri 6/202:35 pmORD - AEP

1 stop35h 30mMultiple Airlines

Deal found 4/28

$1,979

Sun 5/45:00 pmAEP - ORD

2 stops19h 03mLATAM Airlines

Fri 6/201:31 pmORD - AEP

2 stops23h 09mLATAM Airlines

Deal found 4/28

$2,218

Mon 5/53:55 amEZE - ORD

2 stops22h 04mLATAM Airlines

Tue 5/209:39 amORD - EZE

2 stops18h 16mLATAM Airlines

Deal found 4/29

$1,920

Tue 5/610:05 amEZE - ORD

1 stop16h 29mCopa Airlines

Tue 5/137:54 amORD - EZE

1 stop14h 53mCopa Airlines

Deal found 4/29

$1,941

Tue 5/611:25 pmEZE - ORD

1 stop26h 30mAeromexico

Mon 5/121:55 amORD - EZE

1 stop17h 30mAeromexico

Deal found 4/29

$3,392

Thu 5/84:35 pmEZE - ORD

2 stops24h 12mAir Canada

Thu 6/58:25 pmORD - EZE

2 stops40h 05mAir Canada

Deal found 4/29

$1,655

Fri 5/95:30 amEZE - ORD

2 stops33h 45mAvianca

Fri 5/162:35 pmORD - EZE

2 stops36h 15mAvianca

Deal found 4/28

$1,160

Fri 5/94:25 amEZE - ORD

1 stop18h 46mMultiple Airlines

Tue 5/202:35 pmORD - EZE

2 stops27h 50mMultiple Airlines

Deal found 4/27

$1,202

Thu 5/154:35 pmEZE - ORD

3 stops28h 19mMultiple Airlines

Sun 6/13:45 pmORD - EZE

3 stops30h 25mMultiple Airlines

Deal found 4/28

$1,148

Fri 5/168:10 pmEZE - ORD

2 stops18h 31mDelta

Wed 5/2811:05 amORD - EZE

2 stops20h 40mDelta

Deal found 4/28

$1,660

One-way flights from Buenos Aires to O'Hare Intl
Search for one-way flight options from Buenos Aires to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated April 29, 2025.

Fri 6/611:27 pmEZE - ORD

2 stops39h 48mMultiple Airlines

Deal found 4/28

$441

Tue 6/31:40 amEZE - ORD

1 stop13h 35mAvianca

Deal found 4/28

$474

Sun 6/14:55 amAEP - ORD

2 stops35h 54mMultiple Airlines

Deal found 4/29

$486

Mon 5/267:00 amAEP - ORD

1 stop32h 15mAvianca

Deal found 4/29

$619

Thu 5/84:35 pmEZE - ORD

3 stops29h 37mAir Canada

Deal found 4/29

$652

Thu 5/81:40 pmAEP - ORD

2 stops32h 32mAir Canada

Deal found 4/29

$784

Sun 6/19:15 pmEZE - ORD

1 stop15h 54mAmerican Airlines

Deal found 4/29

$798

Tue 7/13:55 amEZE - ORD

2 stops22h 04mLATAM Airlines

Deal found 4/29

$802

Wed 7/28:10 pmAEP - ORD

2 stops18h 37mLATAM Airlines

Deal found 4/29

$802

Wed 7/98:10 pmEZE - ORD

1 stop14h 22mDelta

Deal found 4/28

$1,036

Sun 5/253:47 amEZE - ORD

1 stop22h 47mCopa Airlines

Deal found 4/28

$1,135

Tue 7/83:40 amAEP - ORD

2 stops22h 37mGOL

Deal found 4/29

$1,426

Cheapflights 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

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Mon 5/19

2:30 am-1:15 pm

2 stops36h 45m

Chicago O'Hare Intl

Tue 5/27

2:35 pm-12:10 am

1 stop31h 35m

$1,116

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Tue 6/10

7:00 am-2:25 pm

3 stops33h 25m

Chicago O'Hare Intl

Sun 6/15

3:45 pm-5:40 am

2 stops35h 55m

$1,118

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Thu 7/17

3:40 pm-1:15 pm

3 stops23h 35m

Chicago O'Hare Intl

Thu 7/31

7:00 am-2:50 pm

3 stops29h 50m

$1,124

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Sat 5/17

4:35 pm-6:22 pm

3 stops27h 47m

Chicago O'Hare Intl

Sat 5/31

5:58 pm-2:30 pm

3 stops42h 32m

$1,127

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Tue 7/15

2:32 pm-1:42 pm

1 stop25h 10m

Chicago O'Hare Intl

Mon 7/28

1:07 am-12:51 am

1 stop21h 44m

$1,132

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Wed 7/23

9:00 pm-7:56 am

1 stop36h 56m

Chicago O'Hare Intl

Sat 8/2

9:50 pm-8:00 am

1 stop32h 10m

$1,149

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Tue 7/1

8:10 pm-12:47 pm

2 stops18h 37m

Chicago O'Hare Intl

Tue 7/8

11:20 am-2:00 pm

2 stops24h 40m

$1,166

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Tue 7/1

7:00 am-1:15 pm

1 stop32h 15m

Chicago O'Hare Intl

Tue 7/8

6:30 pm-2:00 pm

2 stops17h 30m

$1,175

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Wed 7/23

11:25 pm-12:09 pm

2 stops38h 44m

Chicago O'Hare Intl

Tue 8/5

6:59 am-9:25 pm

1 stop36h 26m

$1,178

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Tue 6/17

7:30 am-11:57 pm

2 stops18h 27m

Chicago O'Hare Intl

Thu 7/10

9:45 am-6:10 am

2 stops18h 25m

$1,368

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 28 results

Compare providers for flights from Buenos Aires to O'Hare Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buenos Aires to O'Hare Intl in April.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*2 stars
AranGrant	Price Accuracy3 stars	Trust Score*3 stars
Expedia	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Buenos Aires-Chicago O'Hare Intl Airport flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Buenos Aires-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Buenos Aires-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Buenos Aires-Chicago O'Hare Intl Airport flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Buenos Aires-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Buenos Aires to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Buenos Aires with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Buenos Aires to Chicago O'Hare Intl Airport

What is the cheapest month to book a flight from Buenos Aires to Chicago O'Hare Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Buenos Aires to Chicago O'Hare Intl Airport (average of $245). Flying from Buenos Aires to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BUE to ORD?

Unlike at noon, when flights are generally more expensive, you can save up to 21% on flights from Buenos Aires to Chicago O'Hare Intl Airport by exploring options for tickets in the morning.

Rainfall in O'Hare Intl by month

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing O'Hare Intl

Get a feel of what it's like to fly with Delta, LATAM Airlines and Copa Airlines from Buenos Aires to Chicago by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very good

7,936 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

LATAM Airlines

7.5

Good

1,767 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Copa Airlines

7.5

Good

1,411 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Aeromexico

7.5

Good

1,698 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,696 reviews

Delta

8.0

Very good

7,936 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What are the cheapest airlines flying from Buenos Aires to Chicago O'Hare Intl Airport round-trip?
Currently priced at $1,116, Avianca will fly you from Buenos Aires to Chicago O'Hare Intl Airport and back. In addition to Avianca, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Copa Airlines - these airlines can fly you to your destination from $1,127 and $1,132, respectively. Avianca is priced at 20% lower than the current average price of a flight leaving 3 months from now.
What are the cheapest airlines to fly from Buenos Aires to Chicago O'Hare Intl Airport one-way?
The cheapest airlines for a one-way flight from Buenos Aires to Chicago O'Hare Intl Airport are Avianca ($474), Air Canada ($652), and American Airlines ($798).
Can I find deals for flights from Buenos Aires to O'Hare Intl that include hotel bookings?
Yes. In addition to deals on Buenos Aires to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Buenos Aires to O'Hare Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Buenos Aires to O'Hare Intl.
Can I find deals for business class flights from Buenos Aires to O'Hare Intl?
Yes. Cheapflights offers flight deals from Buenos Aires to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Buenos Aires to Chicago O'Hare Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Buenos Aires to Chicago O'Hare Intl Airport (average of $245). Flying from Buenos Aires to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Racine

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Waukegan

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Buenos Aires to O'Hare Intl

Airline	Cheapest	Average	Flexibility	On-time
Avianca	Cheapest$799	Average$1,236	FlexibilityNo cancel fee	On-time71%
American Airlines	Cheapest$928	Average$1,194	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$969	Average$1,237	FlexibilityNo cancel fee	On-timeN/A
Copa Airlines	Cheapest$1,007	Average$1,153	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$1,084	Average$1,411	FlexibilityNo cancel fee	On-time69%

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$441+ Cheap flights from Buenos Aires (BUE) to O'Hare Intl (ORD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/6. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Buenos Aires to O'Hare Intl with Cheapflights

1. Tell us where you want to go

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Cheap flight deals from Buenos Aires to O'Hare Intl

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Buenos Aires to O'Hare Intl

Cheapest flights from Buenos Aires to O'Hare IntlExplore the most affordable flight options available from Buenos Aires to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Explore the most affordable flight options available from Buenos Aires to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

Cheapflights 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.

Compare providers for flights from Buenos Aires to O'Hare Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Buenos Aires to O'Hare Intl in April.

Best time to book a flight from Buenos Aires to O'Hare Intl

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Everything you need to know about your flight from Buenos Aires to Chicago O'Hare Intl Airport

What is the cheapest month to book a flight from Buenos Aires to Chicago O'Hare Intl Airport?

What is the cheapest time of day to fly from BUE to ORD?

Find hourly flight availability from Buenos Aires to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

Reviews of airlines servicing O'Hare Intl

Get a feel of what it's like to fly with Delta, LATAM Airlines and Copa Airlines from Buenos Aires to Chicago by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Buenos Aires to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Buenos Aires to Chicago O'Hare Intl Airport round-trip?

What are the cheapest airlines to fly from Buenos Aires to Chicago O'Hare Intl Airport one-way?

Can I find deals for flights from Buenos Aires to O'Hare Intl that include hotel bookings?

How can I find direct flights from Buenos Aires to O'Hare Intl?

Can I find deals for business class flights from Buenos Aires to O'Hare Intl?

What is the cheapest month to book a flight from Buenos Aires to Chicago O'Hare Intl Airport?

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Alternative routes for Buenos Aires to O'Hare Intl

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Top 5 airlines flying from Buenos Aires to O'Hare Intl

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Cheapest flights from Buenos Aires to O'Hare Intl
Explore the most affordable flight options available from Buenos Aires to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.