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

Currently priced at $1,101, 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 American Airlines - these airlines can fly you to your destination from $1,107 and $1,173, respectively. Avianca is priced at 22% 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 ($484), Air Canada ($714), and American Airlines ($758).

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 $973 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, November can be a great choice for travel to Chicago O'Hare Intl Airport. Flights to Chicago O'Hare Intl Airport from Buenos Aires in November are about $1,299 on average during November, but can be found for as low as $934.

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.

$418+ 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	$1,098 (Mytrip)
One-way from	$418 (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.

Search Deals

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 24, 2025.

Tue 9/98:10 pmAEP - ORD

2 stops19h 08mLATAM Airlines

Mon 9/296:00 amORD - AEP

2 stops20h 05mLATAM Airlines

Deal found 4/22

$1,064

Fri 8/158:54 amEZE - ORD

1 stop17h 28mCopa Airlines

Sun 8/317:54 amORD - EZE

1 stop22h 00mCopa Airlines

Deal found 4/22

$1,095

Fri 6/63:40 pmAEP - ORD

2 stops23h 35mMultiple Airlines

Fri 6/137:39 pmORD - AEP

3 stops43h 41mMultiple Airlines

Deal found 4/22

$1,096

Wed 9/106:40 amEZE - ORD

2 stops32h 35mAvianca

Tue 9/162:35 pmORD - EZE

1 stop13h 10mAvianca

Deal found 4/23

$1,098

Sat 6/74:35 pmEZE - ORD

2 stops19h 17mAir Canada

Sat 6/148:25 pmORD - EZE

2 stops40h 05mAir Canada

Deal found 4/23

$1,107

Sun 5/115:55 amEZE - ORD

2 stops33h 20mMultiple Airlines

Sun 5/2510:40 amORD - EZE

3 stops25h 50mMultiple Airlines

Deal found 4/24

$1,114

Thu 9/48:10 pmEZE - ORD

1 stop14h 22mDelta

Thu 9/181:16 pmORD - EZE

1 stop18h 29mDelta

Deal found 4/23

$1,125

Thu 8/147:40 amEZE - ORD

2 stops18h 15mLATAM Airlines

Sat 8/309:30 amORD - EZE

2 stops18h 40mLATAM Airlines

Deal found 4/23

$1,128

Wed 10/18:30 pmEZE - ORD

1 stop23h 25mAmerican Airlines

Wed 10/156:00 amORD - EZE

1 stop23h 35mAmerican Airlines

Deal found 4/23

$1,135

Wed 9/311:25 pmEZE - ORD

1 stop27h 04mAeromexico

Tue 9/161:55 amORD - EZE

1 stop17h 30mAeromexico

Deal found 4/23

$1,178

Mon 7/149:00 pmEZE - ORD

1 stop15h 21mUnited Airlines

Mon 9/223:58 pmORD - EZE

1 stop14h 02mUnited Airlines

Deal found 4/23

$1,219

Thu 6/57:00 amAEP - ORD

1 stop32h 15mAvianca

Tue 6/175:25 pmORD - AEP

2 stops34h 15mAvianca

Deal found 4/22

$1,250

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 24, 2025.

Sun 5/44:55 amAEP - ORD

2 stops35h 54mMultiple Airlines

Wed 5/75:05 amORD - AEP

3 stops37h 55mMultiple Airlines

Deal found 4/22

$1,098

Fri 5/165:30 amEZE - ORD

2 stops33h 45mAvianca

Sun 6/12:35 pmORD - EZE

1 stop31h 35mAvianca

Deal found 4/23

$1,101

Sat 6/74:35 pmEZE - ORD

2 stops19h 17mAir Canada

Sat 6/148:25 pmORD - EZE

2 stops40h 05mAir Canada

Deal found 4/23

$1,107

Sat 6/79:15 pmEZE - ORD

1 stop20h 37mAmerican Airlines

Sat 6/1410:03 amORD - EZE

1 stop22h 12mAmerican Airlines

Deal found 4/23

$1,173

Wed 6/1811:25 pmEZE - ORD

2 stops38h 17mAeromexico

Mon 7/142:00 amORD - EZE

1 stop17h 25mAeromexico

Deal found 4/23

$1,178

Thu 6/263:40 pmAEP - ORD

2 stops29h 09mLATAM Airlines

Sun 7/65:59 pmORD - AEP

2 stops20h 01mLATAM Airlines

Deal found 4/23

$1,207

Mon 7/149:00 pmEZE - ORD

1 stop15h 21mUnited Airlines

Mon 9/223:58 pmORD - EZE

1 stop14h 02mUnited Airlines

Deal found 4/23

$1,219

Thu 6/512:06 amEZE - ORD

1 stop15h 41mCopa Airlines

Fri 6/133:07 pmORD - EZE

1 stop15h 07mCopa Airlines

Deal found 4/23

$1,234

Thu 5/223:40 amAEP - ORD

2 stops21h 08mGOL

Wed 5/282:42 pmORD - AEP

2 stops20h 18mGOL

Deal found 4/23

$2,213

Tue 6/171:40 amEZE - ORD

3 stops22h 16mMultiple Airlines

Tue 7/156:00 amORD - EZE

2 stops17h 25mMultiple Airlines

Deal found 4/23

$1,116

Wed 6/187:00 amAEP - ORD

1 stop32h 15mAvianca

Tue 7/155:25 pmORD - AEP

2 stops34h 15mAvianca

Deal found 4/23

$1,268

Tue 5/207:30 amEZE - ORD

2 stops30h 50mLATAM Airlines

Tue 5/273:57 pmORD - EZE

2 stops24h 15mLATAM Airlines

Deal found 4/23

$1,330

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 24, 2025 and is based on user searches.

Wed 4/304:35 pmEZE - ORD

2 stops19h 17mAir Canada

Wed 5/78:40 amORD - EZE

2 stops27h 50mAir Canada

Deal found 4/23

$1,555

Wed 4/3011:25 pmEZE - ORD

1 stop26h 32mAeromexico

Tue 5/61:55 amORD - EZE

1 stop17h 30mAeromexico

Deal found 4/23

$5,493

Sat 5/31:40 amEZE - ORD

1 stop13h 35mAvianca

Wed 5/72:35 pmORD - EZE

1 stop13h 10mAvianca

Deal found 4/22

$1,282

Sat 5/33:40 amAEP - ORD

2 stops31h 20mGOL

Wed 5/74:50 pmORD - AEP

2 stops18h 10mGOL

Deal found 4/22

$2,446

Sun 5/410:45 pmEZE - ORD

1 stop17h 41mMultiple Airlines

Wed 5/72:35 pmORD - EZE

1 stop13h 10mMultiple Airlines

Deal found 4/22

$1,425

Sun 5/44:55 amAEP - ORD

2 stops35h 54mMultiple Airlines

Wed 5/75:05 amORD - AEP

3 stops37h 55mMultiple Airlines

Deal found 4/22

$1,098

Wed 5/74:35 pmEZE - ORD

2 stops19h 17mAir Canada

Thu 5/299:14 pmORD - EZE

2 stops39h 16mAir Canada

Deal found 4/23

$1,164

Wed 5/71:40 pmAEP - ORD

2 stops22h 12mAir Canada

Wed 5/143:35 pmORD - AEP

2 stops23h 45mAir Canada

Deal found 4/22

$1,670

Sun 5/115:55 amEZE - ORD

2 stops33h 20mMultiple Airlines

Sun 5/2510:40 amORD - EZE

3 stops25h 50mMultiple Airlines

Deal found 4/24

$1,114

Tue 5/132:13 amEZE - ORD

1 stop24h 21mCopa Airlines

Wed 5/217:54 amORD - EZE

1 stop22h 25mCopa Airlines

Deal found 4/23

$1,394

Wed 5/148:50 pmEZE - ORD

1 stop14h 10mAmerican Airlines

Wed 5/211:41 pmORD - EZE

1 stop15h 34mAmerican Airlines

Deal found 4/23

$1,255

Fri 5/165:30 amEZE - ORD

2 stops33h 45mAvianca

Sun 6/12:35 pmORD - EZE

1 stop31h 35mAvianca

Deal found 4/23

$1,101

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 24, 2025.

Fri 6/610:40 amAEP - ORD

3 stops33h 01mMultiple Airlines

Deal found 4/23

$418

Sat 5/176:40 amEZE - ORD

2 stops32h 35mAvianca

Deal found 4/23

$484

Sun 6/17:40 amEZE - ORD

3 stops42h 56mMultiple Airlines

Deal found 4/22

$494

Mon 5/267:00 amAEP - ORD

1 stop32h 15mAvianca

Deal found 4/23

$619

Mon 5/264:35 pmEZE - ORD

3 stops27h 46mAir Canada

Deal found 4/23

$714

Wed 6/189:15 pmEZE - ORD

1 stop21h 03mAmerican Airlines

Deal found 4/23

$758

Wed 7/212:55 pmAEP - ORD

2 stops25h 52mLATAM Airlines

Deal found 4/23

$802

Sun 5/253:55 amEZE - ORD

2 stops22h 03mLATAM Airlines

Deal found 4/23

$979

Sun 5/253:40 amAEP - ORD

2 stops21h 08mGOL

Deal found 4/23

$1,038

Thu 6/512:06 amEZE - ORD

1 stop15h 41mCopa Airlines

Deal found 4/23

$1,135

Wed 5/2111:25 pmEZE - ORD

1 stop26h 30mAeromexico

Deal found 4/23

$2,120

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

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Tue 9/9

8:10 pm-1:18 pm

2 stops19h 08m

Chicago O'Hare Intl

Mon 9/29

6:00 am-4:05 am

2 stops20h 05m

$1,064

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Fri 8/15

8:54 am-12:22 am

1 stop17h 28m

Chicago O'Hare Intl

Sun 8/31

7:54 am-7:54 am

1 stop22h 00m

$1,095

Buenos AiresChicago

AEP - ORD

AEPORD

Buenos Aires Jorge Newbery

Fri 6/6

3:40 pm-1:15 pm

2 stops23h 35m

Chicago O'Hare Intl

Fri 6/13

7:39 pm-5:20 pm

3 stops43h 41m

$1,096

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Wed 9/10

6:40 am-1:15 pm

2 stops32h 35m

Chicago O'Hare Intl

Tue 9/16

2:35 pm-5:45 am

1 stop13h 10m

$1,098

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Sat 6/7

4:35 pm-9:52 am

2 stops19h 17m

Chicago O'Hare Intl

Sat 6/14

8:25 pm-2:30 pm

2 stops40h 05m

$1,107

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Sun 5/11

5:55 am-1:15 pm

2 stops33h 20m

Chicago O'Hare Intl

Sun 5/25

10:40 am-2:30 pm

3 stops25h 50m

$1,114

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Thu 9/4

8:10 pm-8:32 am

1 stop14h 22m

Chicago O'Hare Intl

Thu 9/18

1:16 pm-9:45 am

1 stop18h 29m

$1,125

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Thu 8/14

7:40 am-11:55 pm

2 stops18h 15m

Chicago O'Hare Intl

Sat 8/30

9:30 am-6:10 am

2 stops18h 40m

$1,128

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Wed 10/1

8:30 pm-5:55 pm

1 stop23h 25m

Chicago O'Hare Intl

Wed 10/15

6:00 am-7:35 am

1 stop23h 35m

$1,135

Buenos AiresChicago

EZE - ORD

EZEORD

Buenos Aires Ministro Pistarini

Wed 9/3

11:25 pm-12:29 am

1 stop27h 04m

Chicago O'Hare Intl

Tue 9/16

1:55 am-9:25 pm

1 stop17h 30m

$1,178

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

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, Copa Airlines and LATAM 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

7,920 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

7,920 reviews

Delta

8.0

Very good

7,920 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

7.6

Good

1,411 reviews

Delta

8.0

Very good

7,920 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

1,765 reviews

Delta

8.0

Very good

7,920 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

1,700 reviews

Delta

8.0

Very good

7,920 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

8,685 reviews

Delta

8.0

Very good

7,920 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 $1,101, 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 American Airlines - these airlines can fly you to your destination from $1,107 and $1,173, respectively. Avianca is priced at 22% 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 ($484), Air Canada ($714), and American Airlines ($758).
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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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$1,100	FlexibilityNo cancel fee	On-time71%
American Airlines	Cheapest$928	Average$1,165	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$969	Average$1,241	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$1,394	FlexibilityNo cancel fee	On-time69%

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$418+ 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

2. Select your favorite providers

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Cheap flight deals from Buenos Aires to O'Hare Intl

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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 24, 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 24, 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

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

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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 24, 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, Copa Airlines and LATAM 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 24, 2025.