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$533+ Cheap flights from Milwaukee (MKE) 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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — BUE
Mar 23 — Mar 301
Mon 3/23
Mon 3/30
1 adult, Economy
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Cheap flight deals from Milwaukee to Buenos Aires

Cheapest flights from Milwaukee to Buenos Aires
Explore the most affordable flight options available from Milwaukee to Buenos Aires. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 21, 2026.

This Orbitz deal was found by Cheapflights users on 2/20. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/226:52 pm
MKE
-
EZE
2 stops37h 23m
LATAM Airlines
Sun 3/293:45 pm
EZE
-
MKE
2 stops21h 18m
LATAM Airlines
Deal found 2/20$979
This Delta deal was found by Cheapflights users on 2/18. 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 7/62:45 pm
MKE
-
EZE
2 stops37h 25m
Delta
Mon 8/317:45 am
EZE
-
MKE
2 stops17h 40m
Delta
Deal found 2/18$1,047
This Gurufare deal was found by Cheapflights users on 2/20. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/206:40 pm
MKE
-
EZE
2 stops33h 30m
LATAM Airlines
Wed 9/308:10 pm
EZE
-
MKE
1 stop15h 10m
LATAM Airlines
Deal found 2/20$1,056
This United Airlines deal was found by Cheapflights users on 2/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/205:21 pm
MKE
-
EZE
2 stops36h 39m
United Airlines
Wed 9/309:00 pm
EZE
-
MKE
2 stops20h 04m
United Airlines
Deal found 2/20$1,067
This KAYAK deal was found by Cheapflights users on 2/18. 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.
Fri 7/310:25 am
MKE
-
EZE
2 stops20h 10m
LATAM Airlines
Mon 8/318:10 pm
EZE
-
MKE
1 stop17h 03m
LATAM Airlines
Deal found 2/18$1,083
This KAYAK deal was found by Cheapflights users on 2/18. 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.
Fri 7/32:45 pm
MKE
-
EZE
2 stops15h 50m
LATAM Airlines
Tue 9/17:35 am
EZE
-
MKE
3 stops36h 12m
LATAM Airlines
Deal found 2/18$1,086
This Delta deal was found by Cheapflights users on 2/18. 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 7/66:40 pm
MKE
-
EZE
2 stops33h 30m
Delta
Sun 8/308:10 pm
EZE
-
MKE
1 stop15h 10m
Delta
Deal found 2/18$1,087
This Delta deal was found by Cheapflights users on 2/18. 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.
Thu 7/26:25 pm
MKE
-
EZE
2 stops36h 10m
Delta
Wed 9/21:20 pm
EZE
-
MKE
2 stops23h 53m
Delta
Deal found 2/18$1,091
This KAYAK deal was found by Cheapflights users on 2/18. 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.
Fri 7/32:45 pm
MKE
-
EZE
2 stops15h 50m
LATAM Airlines
Sat 8/2910:40 pm
EZE
-
MKE
2 stops21h 07m
LATAM Airlines
Deal found 2/18$1,123
This Delta deal was found by Cheapflights users on 2/18. 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.
Thu 7/26:25 pm
MKE
-
EZE
2 stops36h 10m
Delta
Fri 8/287:45 am
EZE
-
MKE
2 stops17h 40m
Delta
Deal found 2/18$1,131
This Gurufare deal was found by Cheapflights users on 2/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/54:20 pm
MKE
-
EZE
1 stop15h 25m
LATAM Airlines
Fri 6/127:45 am
EZE
-
MKE
2 stops17h 42m
LATAM Airlines
Deal found 2/17$1,141

Find flight deals from Milwaukee to Buenos Aires

Discover tips and strategies to find the most affordable flight options for your journey from Milwaukee (MKE) 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 February 21, 2026.

Round-trip from

$979
(Orbitz)

One-way from

$533
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,165
From Milwaukee-Mitchell to Buenos Aires (BUE)
Search Deals
One-way flight from Milwaukee-Mitchell to Buenos Aires (BUE)
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($56 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Milwaukee 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 February 21, 2026.
Use the filters below to find and compare flights from Milwaukee to Buenos Aires that are best for you.

Fly from

Milwaukee

Fly to

Buenos Aires

Route

Depart

Return

Price

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Mon 7/6

10:25 am-6:10 am

2 stops41h 45m

Buenos Aires Ministro Pistarini

Wed 9/2

7:45 am-11:25 pm

2 stops17h 40m

$1,047

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Mon 7/6

2:45 pm-6:10 am

2 stops37h 25m

Buenos Aires Ministro Pistarini

Mon 8/31

7:45 am-11:25 pm

2 stops17h 40m

$1,047

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Mon 7/6

6:40 pm-6:10 am

2 stops33h 30m

Buenos Aires Ministro Pistarini

Tue 9/1

8:10 pm-11:13 am

1 stop17h 03m

$1,047

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Tue 4/14

10:11 am-8:35 am

2 stops20h 24m

Buenos Aires Ministro Pistarini

Sun 4/26

7:35 am-11:57 pm

2 stops18h 22m

$1,083

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Mon 7/6

6:40 pm-6:10 am

2 stops33h 30m

Buenos Aires Ministro Pistarini

Sun 8/30

7:45 am-11:25 pm

2 stops17h 40m

$1,087

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Mon 7/6

6:40 pm-6:10 am

2 stops33h 30m

Buenos Aires Ministro Pistarini

Sat 8/29

7:45 am-11:25 pm

2 stops17h 40m

$1,087

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Fri 3/13

9:01 pm-7:55 am

3 stops56h 54m

$533

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Fri 3/13

5:45 am-7:20 am

1 stop23h 35m

$721

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Fri 3/13

8:00 am-6:20 am

1 stop20h 20m

$729

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Thu 2/26

12:20 pm-9:00 am

1 stop17h 40m

$814

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 11 results
1
2

Best time to book a flight from Milwaukee to Buenos Aires

Have a flexible travel schedule? Discover the best time to fly to Buenos Aires from Milwaukee 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 Milwaukee to Buenos Aires

What is the cheapest month to book a flight from Milwaukee to Buenos Aires?

Currently, October is the cheapest month in which you can book a flight from Milwaukee to Buenos Aires (average of $380). Flying from Milwaukee to Buenos Aires in June is currently the most expensive (average of $1,144). 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.

How much does it cost to fly round-trip from Milwaukee to Buenos Aires?

Reviews of airlines servicing Buenos Aires

Get insights into the airlines that provide service to Buenos Aires. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Buenos Aires. Reviews last updated February 21, 2026.
Peruse reviews from past customers who have flown with Delta and American Airlines from Milwaukee to Buenos Aires to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,228 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,228 reviews
Delta
7.9
Good
8,228 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,334 reviews
Delta
7.9
Good
8,228 reviews

Boarding

8.1

Overall

7.9

Entertainment

7.8

Comfort

7.9

Crew

8.5

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

  • What airport do you fly from for flights from Milwaukee to Buenos Aires?

    Milwaukee-Mitchell (MKE) is the airport you will fly out of if you book a flight from Milwaukee to Buenos Aires. You should not have trouble finding flights to Buenos Aires from Milwaukee-Mitchell; the airport handles an average of 0 outbound flights to Buenos Aires per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Milwaukee airport to Buenos Aires. It is only a 6.4 mi journey to Milwaukee-Mitchell (MKE) from Milwaukee’s city center.

  • How long is the flight from Milwaukee to Buenos Aires?

    For as low as $979, LATAM Airlines can have you in Buenos Aires from Milwaukee in 37h 23m. Milwaukee and Buenos Aires are separated by a distance of 5680 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 Milwaukee to Buenos Aires that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Milwaukee 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 Milwaukee to Buenos Aires?

    Currently, October is the cheapest month in which you can book a flight from Milwaukee to Buenos Aires (average of $380). Flying from Milwaukee to Buenos Aires in June is currently the most expensive (average of $1,144). 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.

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