HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Buenos Aires

$1,017+ Cheap flights from Milwaukee (MKE) to Buenos Aires (BUE)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — BUE
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Milwaukee to Buenos Aires with Cheapflights

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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 September 11, 2025.

Round-trip from

$1,017
(Delta)

Popular in

December

Cheapest in

September

Average price

$949
From Milwaukee-Mitchell to Buenos Aires (BUE)
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($216 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($84 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find 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 September 11, 2025.

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.
Tue 11/253:13 pmMKE - EZE
1 stop14h 47mDelta
Tue 12/910:25 pmEZE - MKE
2 stops20h 52mDelta
Deal found 9/9$1,017
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.
Thu 11/2010:23 amMKE - EZE
1 stop19h 37mDelta
Mon 12/111:55 pmEZE - MKE
1 stop13h 48mDelta
Deal found 9/11$1,025
This LATAM Airlines 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/257:00 amMKE - EZE
2 stops20h 20mLATAM Airlines
Sun 12/74:05 amEZE - MKE
2 stops22h 51mLATAM Airlines
Deal found 9/9$1,026
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 11/1910:16 amMKE - EZE
2 stops17h 04mLATAM Airlines
Mon 12/111:00 amEZE - MKE
2 stops15h 56mLATAM Airlines
Deal found 9/11$1,030
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2010:23 amMKE - EZE
2 stops25h 32mLATAM Airlines
Sun 11/303:55 pmEZE - MKE
2 stops35h 01mLATAM Airlines
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.
Sat 11/2211:37 amMKE - EZE
2 stops19h 38mDelta
Thu 12/410:25 pmEZE - MKE
2 stops20h 47mDelta
Deal found 9/9$1,057
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.
Tue 11/255:52 pmMKE - EZE
2 stops34h 28mUnited Airlines
Sat 12/611:55 pmEZE - MKE
1 stop18h 06mUnited Airlines
Deal found 9/9$1,062
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 11/267:00 amMKE - EZE
2 stops20h 20mDelta
Sun 12/78:55 pmEZE - MKE
1 stop20h 27mDelta
Deal found 9/9$1,065
This LATAM Airlines 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 LATAM Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/257:00 amMKE - EZE
2 stops20h 20mLATAM Airlines
Fri 12/54:05 amEZE - MKE
2 stops22h 36mLATAM Airlines
Deal found 9/9$1,066
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.
Mon 11/243:13 pmMKE - EZE
1 stop14h 47mDelta
Fri 12/510:25 pmEZE - MKE
2 stops20h 50mDelta
Deal found 9/9$1,070
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.
Thu 11/2712:04 pmMKE - EZE
2 stops16h 16mUnited Airlines
Thu 12/411:55 pmEZE - MKE
1 stop18h 06mUnited Airlines
Deal found 9/9$1,080

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 September 11, 2025.
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 11/24

3:13 pm-9:00 am

1 stop14h 47m

Buenos Aires Ministro Pistarini

Wed 12/3

10:25 pm-4:17 pm

2 stops20h 52m

$1,017

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Thu 11/27

9:36 am-10:15 am

2 stops21h 39m

Buenos Aires Ministro Pistarini

Mon 12/8

11:55 pm-10:43 am

1 stop13h 48m

$1,017

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Wed 11/26

3:13 pm-9:00 am

1 stop14h 47m

Buenos Aires Ministro Pistarini

Tue 12/9

10:25 pm-4:12 pm

2 stops20h 47m

$1,017

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Tue 11/25

6:00 am-6:20 am

2 stops21h 20m

Buenos Aires Ministro Pistarini

Wed 12/3

8:55 pm-9:30 am

1 stop15h 35m

$1,017

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Thu 11/27

10:23 am-5:55 am

2 stops16h 32m

Buenos Aires Ministro Pistarini

Thu 12/4

11:55 pm-4:23 pm

1 stop19h 28m

$1,017

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Mon 11/24

5:12 pm-9:00 am

1 stop12h 48m

Buenos Aires Ministro Pistarini

Thu 12/4

11:55 pm-10:43 am

1 stop13h 48m

$1,017

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Wed 11/19

6:00 am-5:55 am

2 stops20h 55m

Buenos Aires Ministro Pistarini

Mon 12/1

11:55 pm-10:43 am

1 stop13h 48m

$1,025

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Thu 11/20

5:12 pm-2:55 pm

2 stops18h 43m

Buenos Aires Ministro Pistarini

Mon 12/1

8:55 pm-10:43 am

1 stop16h 48m

$1,025

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Wed 11/19

10:16 am-6:20 am

2 stops17h 04m

Buenos Aires Ministro Pistarini

Mon 12/1

11:00 am-11:56 pm

2 stops15h 56m

$1,030

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Mon 2/2

6:58 am-10:15 am

1 stop24h 17m

$2,308

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 17 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, April is the cheapest month in which you can book a flight from Milwaukee to Buenos Aires (average of $795). Flying from Milwaukee 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.

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 September 11, 2025.
Peruse reviews from past customers who have flown with Delta 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
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 1 airline has 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 $1,017, Delta can have you in Buenos Aires from Milwaukee in 14h 47m. Milwaukee and Buenos Aires are separated by a distance of 5680 mi.

  • What is the cheapest airline to fly from Milwaukee to Buenos Aires round-trip?

    Delta, at $1,063, was found to be the cheapest airline from Milwaukee to Buenos Aires.. Delta is priced at 17% lower than the current average price of a flight leaving 3 months from now.

  • 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, April is the cheapest month in which you can book a flight from Milwaukee to Buenos Aires (average of $795). Flying from Milwaukee 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Milwaukee to Buenos Aires

Discover the top airline that operate flights from Milwaukee to Buenos Aires. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,063Average$1,263FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.