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$509+ 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 12/6. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — BUE
Dec 10 — Dec 171
Wed 12/10
Wed 12/17
1 adult, Economy
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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 November 10, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$960
(LATAM Airlines)

One-way from

$509
(United)

Popular in

December

Cheapest in

September

Average price

$1,059
Provider with most accurate pricing for Milwaukee-Mitchell-Buenos Aires (BUE) flight deals.
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Provider most trusted by Cheapflights users for Milwaukee-Mitchell-Buenos Aires (BUE) flights.
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From Milwaukee-Mitchell to Buenos Aires (BUE)
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One-way flight from Milwaukee-Mitchell to Buenos Aires (BUE)
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Highest demand for flights based on searches. 5% potential increase in price ($66 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($24 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 November 10, 2025.

This LATAM Airlines deal was found by Cheapflights users on 11/8. 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 12/65:45 amMKE - EZE
2 stops24h 50mLATAM Airlines
Wed 12/107:43 pmEZE - MKE
2 stops18h 03mLATAM Airlines
Deal found 11/8$960
This United Airlines deal was found by Cheapflights users on 11/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/158:00 amMKE - EZE
1 stop22h 20mUnited Airlines
Thu 12/2510:05 pmEZE - MKE
1 stop19h 47mUnited Airlines
Deal found 11/9$1,061
This United Airlines deal was found by Cheapflights users on 11/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/164:05 pmMKE - EZE
1 stop14h 15mUnited Airlines
Thu 12/2510:05 pmEZE - MKE
2 stops22h 02mUnited Airlines
Deal found 11/9$1,114
This United Airlines deal was found by Cheapflights users on 11/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/164:05 pmMKE - EZE
1 stop14h 15mUnited Airlines
Wed 12/2410:05 pmEZE - MKE
1 stop19h 47mUnited Airlines
Deal found 11/9$1,120
This KAYAK deal was found by Cheapflights users on 11/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1510:25 amMKE - EZE
2 stops20h 10mLATAM Airlines
Wed 12/2412:15 pmEZE - MKE
2 stops24h 18mLATAM Airlines
Deal found 11/9$1,177
This United Airlines deal was found by Cheapflights users on 11/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/244:00 pmMKE - EZE
1 stop14h 20mUnited Airlines
Tue 12/910:05 pmEZE - MKE
1 stop19h 56mUnited Airlines
Deal found 11/9$1,196
This United Airlines deal was found by Cheapflights users on 11/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/234:00 pmMKE - EZE
1 stop36h 20mUnited Airlines
Mon 12/811:55 pmEZE - MKE
1 stop18h 06mUnited Airlines
Deal found 11/9$1,207
This Delta deal was found by Cheapflights users on 11/9. 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 11/247:00 amMKE - EZE
1 stop23h 00mDelta
Thu 12/48:55 pmEZE - MKE
1 stop15h 33mDelta
Deal found 11/9$1,208
This United Airlines deal was found by Cheapflights users on 11/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/234:00 pmMKE - EZE
1 stop36h 20mUnited Airlines
Tue 12/910:05 pmEZE - MKE
2 stops20h 03mUnited Airlines
Deal found 11/9$1,212

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 November 10, 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

Sat 12/6

5:45 am-9:35 am

2 stops24h 50m

Buenos Aires Ministro Pistarini

Wed 12/10

7:43 pm-10:46 am

2 stops18h 03m

$960

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Thu 2/19

10:16 am-10:15 am

2 stops20h 59m

Buenos Aires Ministro Pistarini

Mon 3/9

8:55 pm-9:27 am

1 stop14h 32m

$1,030

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Mon 12/15

8:00 am-9:20 am

1 stop22h 20m

Buenos Aires Ministro Pistarini

Thu 12/25

10:05 pm-2:52 pm

1 stop19h 47m

$1,061

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Mon 12/15

4:05 pm-9:20 am

1 stop14h 15m

Buenos Aires Ministro Pistarini

Wed 12/24

11:55 pm-5:01 pm

2 stops20h 06m

$1,065

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Tue 12/16

4:05 pm-9:20 am

1 stop14h 15m

Buenos Aires Ministro Pistarini

Thu 12/25

10:05 pm-5:07 pm

2 stops22h 02m

$1,114

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Tue 12/16

4:05 pm-9:20 am

1 stop14h 15m

Buenos Aires Ministro Pistarini

Wed 12/24

10:05 pm-2:52 pm

1 stop19h 47m

$1,120

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Mon 11/24

4:00 pm-9:20 am

1 stop14h 20m

Buenos Aires Ministro Pistarini

Mon 12/8

10:05 pm-3:01 pm

1 stop19h 56m

$1,196

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Wed 11/26

8:00 am-9:20 am

1 stop22h 20m

Buenos Aires Ministro Pistarini

Tue 12/9

11:55 pm-3:01 pm

1 stop18h 06m

$1,196

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Thu 11/27

8:00 am-7:20 am

1 stop20h 20m

Buenos Aires Ministro Pistarini

Mon 12/8

11:55 pm-3:01 pm

1 stop18h 06m

$1,196

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Sat 12/6

5:00 am-5:10 am

3 stops21h 10m

$509

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 14 results
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Compare providers for flights from Milwaukee 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 Milwaukee to Buenos Aires in November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 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 Milwaukee-Buenos Aires flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Milwaukee-Buenos Aires flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Milwaukee-Buenos Aires flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Milwaukee-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 Milwaukee-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 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 $378). Flying from Milwaukee to Buenos Aires in June is currently the most expensive (average of $1,092). 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 November 10, 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
7.9
Good
8,007 reviews

Crew

8.5

Comfort

7.9

Boarding

8.1

Entertainment

7.9

Food

7.3

Overall

7.9

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
8,007 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Comfort

7.9

Boarding

8.1

Entertainment

7.9

Food

7.3

Overall

7.9

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 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 $1,030, LATAM Airlines can have you in Buenos Aires from Milwaukee in 20h 59m. 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.

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

    Delta, at $1,081, was found to be the cheapest airline from Milwaukee to Buenos Aires.. Delta is priced at 13% 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, October is the cheapest month in which you can book a flight from Milwaukee to Buenos Aires (average of $378). Flying from Milwaukee to Buenos Aires in June is currently the most expensive (average of $1,092). 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 November 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,081Average$1,393FlexibilityNo cancel feeOn-timeN/A

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