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$378+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
MDW — BUE
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
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 January 27, 2026.

This KAYAK deal was found by Cheapflights users on 1/26. 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 2/2510:49 am
MDW
-
EZE
1 stop17h 31m
LATAM Airlines
Tue 3/32:45 pm
EZE
-
MDW
2 stops22h 09m
LATAM Airlines
Deal found 1/26$921
This LATAM Airlines deal was found by Cheapflights users on 1/25. 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.
Mon 3/212:45 pm
MDW
-
EZE
1 stop17h 15m
LATAM Airlines
Mon 3/238:55 pm
EZE
-
MDW
1 stop15h 01m
LATAM Airlines
Deal found 1/25$937
This Delta deal was found by Cheapflights users on 1/25. 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 3/21:29 pm
MDW
-
EZE
2 stops16h 31m
Delta
Mon 3/238:55 pm
EZE
-
MDW
2 stops17h 34m
Delta
Deal found 1/25$941
This SmartFares deal was found by Cheapflights users on 1/27. 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.
Tue 3/310:49 am
MDW
-
EZE
1 stop19h 11m
LATAM Airlines
Tue 3/178:55 pm
EZE
-
MDW
1 stop15h 01m
LATAM Airlines
Deal found 1/27$946
This Priceline deal was found by Cheapflights users on 1/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/2612:53 pm
MDW
-
EZE
1 stop18h 52m
LATAM Airlines
Sat 5/211:30 am
EZE
-
MDW
2 stops24h 26m
LATAM Airlines
Deal found 1/27$961
This KAYAK deal was found by Cheapflights users on 1/27. 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 3/711:06 am
MDW
-
EZE
2 stops19h 29m
LATAM Airlines
Tue 3/102:45 pm
EZE
-
MDW
2 stops23h 17m
LATAM Airlines
Deal found 1/27$970
This FlightHub deal was found by Cheapflights users on 1/26. 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.
Wed 2/2510:49 am
MDW
-
EZE
1 stop17h 31m
LATAM Airlines
Wed 3/48:55 pm
EZE
-
MDW
1 stop15h 59m
LATAM Airlines
Deal found 1/26$983
This SmartFares deal was found by Cheapflights users on 1/25. 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.
Tue 4/76:07 pm
MDW
-
EZE
1 stop13h 38m
LATAM Airlines
Tue 4/148:10 pm
EZE
-
MDW
1 stop15h 46m
LATAM Airlines
Deal found 1/25$986
This Ovago deal was found by Cheapflights users on 1/26. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/610:35 am
MDW
-
EZE
1 stop21h 10m
LATAM Airlines
Thu 10/298:55 pm
EZE
-
MDW
1 stop14h 57m
LATAM Airlines
Deal found 1/26$987
This FlightHub deal was found by Cheapflights users on 1/25. 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.
Wed 4/155:21 pm
MDW
-
EZE
2 stops16h 09m
LATAM Airlines
Tue 4/218:10 pm
EZE
-
MDW
1 stop17h 57m
LATAM Airlines
Deal found 1/25$991
This Delta deal was found by Cheapflights users on 1/26. 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 3/2510:45 am
MDW
-
EZE
1 stop20h 15m
Delta
Wed 4/87:45 am
EZE
-
MDW
2 stops30h 17m
Delta
Deal found 1/26$992
This LATAM Airlines deal was found by Cheapflights users on 1/26. 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.
Sat 5/94:30 pm
MDW
-
AEP
2 stops20h 20m
LATAM Airlines
Sun 5/178:05 pm
AEP
-
MDW
2 stops17h 51m
LATAM Airlines
Deal found 1/26$1,042

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 January 27, 2026.

Most accurate provider

AranGrant
2 stars

Most trusted provider

AranGrant
2 stars

Round-trip from

$921
(KAYAK)

One-way from

$378
(Kiwi.com)

Popular in

March

Cheapest in

November

Average price

$1,106
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 ($66 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 January 2026
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 January 27, 2026.
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

Thu 3/12

12:47 pm-9:35 am

2 stops18h 48m

Buenos Aires Ministro Pistarini

Thu 3/19

7:10 am-10:31 pm

2 stops17h 21m

$941

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Mon 3/2

10:49 am-10:15 am

2 stops20h 26m

Buenos Aires Ministro Pistarini

Mon 3/23

11:55 pm-12:02 pm

1 stop14h 07m

$941

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Tue 3/24

6:07 pm-9:00 am

1 stop12h 53m

Buenos Aires Ministro Pistarini

Tue 3/31

1:20 pm-12:02 pm

2 stops24h 42m

$941

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Sat 3/7

11:06 am-9:35 am

2 stops19h 29m

Buenos Aires Ministro Pistarini

Tue 3/10

2:45 pm-12:02 pm

2 stops23h 17m

$970

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Wed 3/25

10:45 am-9:00 am

1 stop20h 15m

Buenos Aires Ministro Pistarini

Wed 4/8

7:45 am-12:02 pm

2 stops30h 17m

$992

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Thu 3/19

12:47 pm-9:35 am

2 stops18h 48m

Buenos Aires Ministro Pistarini

Mon 3/30

7:45 am-9:56 am

2 stops28h 11m

$995

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Tue 5/26

1:05 pm-8:35 am

2 stops17h 30m

Buenos Aires Ministro Pistarini

Wed 6/3

8:10 pm-11:56 am

1 stop17h 46m

$1,004

ChicagoBuenos Aires

MDW - AEP

MDWAEP

Chicago Midway

Sat 5/9

4:30 pm-2:50 pm

2 stops20h 20m

Buenos Aires Jorge Newbery

Sun 5/17

8:05 pm-11:56 am

2 stops17h 51m

$1,042

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Sat 5/9

4:30 pm-2:45 pm

2 stops20h 15m

Buenos Aires Ministro Pistarini

Sun 5/17

3:45 pm-11:56 am

2 stops22h 11m

$1,087

ChicagoBuenos Aires

MDW - EZE

MDWEZE

Chicago Midway

Wed 4/1

6:07 pm-9:45 am

1 stop13h 38m

Buenos Aires Ministro Pistarini

Sat 5/2

8:10 pm-10:28 pm

1 stop28h 18m

$1,097

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 39 results
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  • Most accurate provider: When it comes to deals on Chicago Midway Airport-Buenos Aires flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Chicago Midway Airport-Buenos Aires flight deals on Cheapflights vs. AranGrant 90-95% 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 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 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 18h 48m. LATAM Airlines provides one of the quickest options available for as low as $941. 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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