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$366+ Cheap flights from Midway (MDW) to Buenos Aires (BUE)

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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
MDW — BUE
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Midway to Buenos Aires

Cheapest flights from Midway to Buenos Aires
Explore the most affordable flight options available from Midway to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This KAYAK deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1510:49 amMDW - EZE
1 stop17h 31mLATAM Airlines
Wed 12/172:45 pmEZE - MDW
2 stops22h 09mLATAM Airlines
Deal found 12/11$791
This FlightHub deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/116:00 amMDW - EZE
2 stops28h 45mLATAM Airlines
Thu 12/1811:55 pmEZE - MDW
1 stop15h 00mLATAM Airlines
Deal found 12/10$1,021
This KAYAK deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/134:29 pmMDW - EZE
2 stops18h 16mLATAM Airlines
Sun 12/144:05 amEZE - MDW
2 stops22h 42mLATAM Airlines
Deal found 12/10$1,052
This LATAM Airlines deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/125:13 pmMDW - EZE
1 stop12h 47mLATAM Airlines
Fri 12/1911:55 pmEZE - MDW
1 stop18h 23mLATAM Airlines
Deal found 12/11$1,106
This Delta deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/121:14 pmMDW - EZE
2 stops16h 46mDelta
Fri 12/1911:55 pmEZE - MDW
2 stops20h 31mDelta
Deal found 12/11$1,110
This SmartFares deal was found by Cheapflights users on 12/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1810:49 amMDW - EZE
1 stop19h 11mLATAM Airlines
Thu 12/258:55 pmEZE - MDW
1 stop15h 10mLATAM Airlines
Deal found 12/11$1,176
This SmartFares deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1710:49 amMDW - EZE
1 stop19h 11mLATAM Airlines
Wed 12/318:55 pmEZE - MDW
1 stop15h 10mLATAM Airlines
Deal found 12/10$1,313
This Kiwi.com deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:32 pmMDW - EZE
1 stop15h 03mMultiple Airlines
Tue 1/65:25 amEZE - MDW
2 stops35h 41mMultiple Airlines
Deal found 12/10$1,343
This KAYAK deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:50 amMDW - AEP
2 stops19h 05mLATAM Airlines
Thu 1/86:20 pmAEP - MDW
2 stops19h 07mLATAM Airlines
Deal found 12/10$1,907
This KAYAK deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/259:50 amMDW - AEP
2 stops19h 05mLATAM Airlines
Tue 1/65:15 pmAEP - MDW
2 stops20h 12mLATAM Airlines
Deal found 12/10$2,508
This KAYAK deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:05 pmMDW - AEP
2 stops17h 55mLATAM Airlines
Sat 1/33:40 pmAEP - MDW
2 stops20h 25mLATAM Airlines
Deal found 12/10$3,055
This KAYAK deal was found by Cheapflights users on 12/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/274:25 pmMDW - AEP
2 stops18h 35mLATAM Airlines
Sat 1/33:40 pmAEP - MDW
2 stops20h 25mLATAM Airlines
Deal found 12/10$3,165

Find flight deals from Midway to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from Midway (MDW) to Buenos Aires (BUE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$922
(KAYAK)

One-way from

$366
(Kiwi.com)

Popular in

March

Cheapest in

October

Average price

$1,159
Provider with most accurate pricing for Chicago Midway-Buenos Aires (BUE) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago Midway-Buenos Aires (BUE) flights.
Search Deals
From Chicago Midway to Buenos Aires (BUE)
Search Deals
One-way flight from Chicago Midway to Buenos Aires (BUE)
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Midway to Buenos Aires that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 12, 2025.
Use the filters below to find and compare flights from Chicago Midway Airport to Buenos Aires that are best for you.

Fly from

Midway

Fly to

Buenos Aires

Route

Depart

Return

Price

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Mon 1/26

12:48 pm-9:00 am

1 stop17h 12m

Buenos Aires Ministro Pistarini

Tue 2/10

8:55 pm-11:59 am

1 stop18h 04m

$922

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Tue 2/17

12:46 pm-9:00 am

1 stop17h 14m

Buenos Aires Ministro Pistarini

Tue 2/24

11:55 pm-11:59 am

1 stop15h 04m

$1,008

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Mon 2/16

10:53 am-9:00 am

1 stop19h 07m

Buenos Aires Ministro Pistarini

Mon 2/23

8:55 pm-11:59 am

1 stop18h 04m

$1,008

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Tue 2/10

10:48 am-9:00 am

1 stop19h 12m

Buenos Aires Ministro Pistarini

Fri 3/13

8:55 pm-9:55 am

1 stop15h 00m

$1,072

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Tue 2/3

9:33 am-9:00 am

2 stops20h 27m

Buenos Aires Ministro Pistarini

Fri 3/20

8:55 pm-12:29 pm

2 stops17h 34m

$1,078

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Thu 2/5

12:48 pm-9:00 am

1 stop17h 12m

Buenos Aires Ministro Pistarini

Thu 3/12

8:55 pm-12:02 pm

1 stop17h 07m

$1,079

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Mon 1/26

12:48 pm-9:40 am

2 stops17h 52m

Buenos Aires Jorge Newbery

Wed 2/4

3:40 pm-9:53 am

2 stops21h 13m

$1,098

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Wed 1/14

11:21 am-9:40 am

2 stops19h 19m

Buenos Aires Jorge Newbery

Wed 1/28

3:40 pm-9:53 am

2 stops21h 13m

$1,098

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Fri 1/9

5:31 pm-4:00 pm

2 stops19h 29m

Buenos Aires Jorge Newbery

Fri 1/23

3:40 pm-9:53 am

2 stops21h 13m

$1,098

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Thu 1/8

11:21 am-10:15 am

2 stops19h 54m

Buenos Aires Ministro Pistarini

Sun 1/25

10:25 pm-5:29 pm

2 stops22h 04m

$1,102

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 35 results
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Compare providers for flights from Midway to Buenos Aires

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 Midway to Buenos Aires in December.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

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

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Midway 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 Chicago Midway Airport to Buenos Aires
No data available for this route at this time. Please check back soon.

Related info for your journey

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

  • How long is the flight from Chicago Midway Airport to Buenos Aires?

    A quick flight from Chicago Midway Airport to Buenos Aires can take about 17h 12m. Delta provides one of the quickest options available for as low as $922. Chicago Midway Airport and Buenos Aires are separated by a distance of 5603 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • Can I find deals for flights from Midway to Buenos Aires that include hotel bookings?

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

  • How can I find direct flights from Midway to Buenos Aires?

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

  • Can I find deals for business class flights from Midway to Buenos Aires?

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

See more FAQs

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