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$331+ 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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
MDW — BUE
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$1,002
(SmartFares)

One-way from

$331
(Kiwi.com)

Popular in

December

Cheapest in

July

Average price

$1,040
From Chicago Midway to Buenos Aires (BUE)
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One-way flight from Chicago Midway to Buenos Aires (BUE)
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Highest demand for flights based on searches. 8% potential increase in price ($114 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 11, 2025.

This SmartFares deal was found by Cheapflights users on 9/11. 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.
Wed 9/246:30 pmMDW - EZE
2 stops30h 00mLATAM Airlines
Sat 9/275:30 amEZE - MDW
2 stops30h 10mLATAM Airlines
Deal found 9/11$1,002
This Delta deal was found by Cheapflights users on 9/9. 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.
Wed 11/2610:47 amMDW - EZE
2 stops16h 08mDelta
Wed 12/38:55 pmEZE - MDW
1 stop15h 59mDelta
Deal found 9/9$1,015
This LATAM Airlines deal was found by Cheapflights users on 9/10. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/55:09 pmMDW - AEP
2 stops19h 51mLATAM Airlines
Wed 11/125:15 pmAEP - MDW
2 stops19h 37mLATAM Airlines
Deal found 9/10$1,015
This Delta deal was found by Cheapflights users on 9/11. 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.
Mon 12/11:14 pmMDW - EZE
2 stops16h 46mDelta
Mon 12/1511:55 pmEZE - MDW
1 stop19h 41mDelta
Deal found 9/11$1,020
This Expedia deal was found by Cheapflights users on 9/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1010:47 amMDW - EZE
2 stops16h 33mLATAM Airlines
Mon 11/174:05 amEZE - MDW
2 stops22h 27mLATAM Airlines
Deal found 9/10$1,045
This Expedia deal was found by Cheapflights users on 9/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/65:09 pmMDW - AEP
2 stops19h 51mLATAM Airlines
Sun 11/168:25 pmAEP - MDW
2 stops30h 07mLATAM Airlines
Deal found 9/10$1,045
This Delta deal was found by Cheapflights users on 9/11. 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 10/3110:40 amMDW - EZE
2 stops17h 15mDelta
Tue 12/238:55 pmEZE - MDW
1 stop15h 14mDelta
Deal found 9/11$1,055
This Delta deal was found by Cheapflights users on 9/9. 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.
Sun 11/21:08 pmMDW - EZE
2 stops16h 52mDelta
Mon 12/18:55 pmEZE - MDW
1 stop15h 59mDelta
Deal found 9/9$1,060
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Mon 10/68:19 amMDW - EZE
2 stops19h 26mMultiple Airlines
Mon 10/138:00 amEZE - MDW
1 stop17h 46mMultiple Airlines
Deal found 9/9$1,085
This Delta deal was found by Cheapflights users on 9/11. 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 11/2810:47 amMDW - EZE
2 stops16h 33mDelta
Sat 12/611:55 pmEZE - MDW
1 stop19h 41mDelta
Deal found 9/11$1,095
This LATAM Airlines deal was found by Cheapflights users on 9/10. 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2810:47 amMDW - AEP
2 stops18h 08mLATAM Airlines
Sat 12/63:40 pmAEP - MDW
2 stops21h 14mLATAM Airlines
Deal found 9/10$1,095
This LATAM Airlines deal was found by Cheapflights users on 9/11. 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.
Wed 11/1910:47 amMDW - AEP
2 stops18h 08mLATAM Airlines
Mon 12/15:15 pmAEP - MDW
2 stops19h 39mLATAM Airlines
Deal found 9/11$1,099

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 September 11, 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 12/1

12:47 pm-9:00 am

1 stop17h 13m

Buenos Aires Ministro Pistarini

Mon 12/15

8:55 pm-9:54 am

1 stop15h 59m

$1,015

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Mon 11/10

5:34 pm-4:00 pm

2 stops19h 26m

Buenos Aires Jorge Newbery

Tue 11/18

3:40 pm-11:52 am

2 stops23h 12m

$1,015

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Wed 11/26

10:47 am-5:55 am

2 stops16h 08m

Buenos Aires Ministro Pistarini

Mon 12/8

11:55 pm-11:55 am

1 stop15h 00m

$1,015

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Thu 11/20

5:34 pm-2:55 pm

2 stops18h 21m

Buenos Aires Ministro Pistarini

Mon 12/1

11:00 am-11:32 pm

2 stops15h 32m

$1,020

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Tue 12/2

10:49 am-9:00 am

1 stop19h 11m

Buenos Aires Ministro Pistarini

Wed 12/10

8:55 pm-12:34 pm

2 stops18h 39m

$1,020

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Thu 11/20

6:00 am-7:55 am

2 stops22h 55m

Buenos Aires Jorge Newbery

Sun 11/30

8:25 pm-11:32 pm

2 stops30h 07m

$1,045

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Fri 10/31

10:40 am-5:55 am

2 stops17h 15m

Buenos Aires Ministro Pistarini

Tue 12/23

11:55 pm-2:38 pm

1 stop17h 43m

$1,055

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Sat 11/1

4:23 pm-2:55 pm

2 stops20h 32m

Buenos Aires Ministro Pistarini

Mon 11/10

7:45 am-11:32 pm

2 stops18h 47m

$1,055

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Tue 1/27

5:25 pm-4:00 pm

2 stops19h 35m

Buenos Aires Jorge Newbery

Sat 2/7

5:15 pm-9:56 am

2 stops19h 41m

$1,055

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Sun 2/15

5:25 pm-4:00 pm

2 stops19h 35m

Buenos Aires Jorge Newbery

Wed 2/25

5:15 pm-9:56 am

2 stops19h 41m

$1,055

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 35 results
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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 13m. Delta provides one of the quickest options available for as low as $1,015. 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.

  • What is the cheapest month to book a flight from Chicago Midway Airport to Buenos Aires?

    Currently, April is the cheapest month in which you can book a flight from Chicago Midway Airport to Buenos Aires (average of $795). Flying from Chicago Midway Airport to Buenos Aires in December is currently the most expensive (average of $1,260). 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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