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$635+ 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 9/5. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — BUE
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,025
(LATAM Airlines)

One-way from

$635
(Atrapalo)

Popular in

December

Cheapest in

September

Average price

$1,309
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. 20% potential increase in price ($366 potential increase over avg. RT price).
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Cheapest flight prices on average. 13% potential price decrease ($168 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This LATAM Airlines deal was found by Cheapflights users on 4/30. 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.
Thu 8/142:45 pmMKE - EZE
1 stop17h 00mDelta
Thu 8/288:10 pmEZE - MKE
1 stop17h 03mDelta
Deal found 4/30$1,025
This United Airlines deal was found by Cheapflights users on 4/30. 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.
Thu 8/1412:10 pmMKE - EZE
2 stops17h 50mUnited Airlines
Thu 8/289:00 pmEZE - MKE
2 stops21h 56mUnited Airlines
Deal found 4/30$1,030
This Gurufare deal was found by Cheapflights users on 4/30. 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.
Thu 8/1410:45 amMKE - EZE
2 stops17h 00mAvianca
Wed 8/271:40 amEZE - MKE
2 stops17h 16mAvianca
Deal found 4/30$1,071
This American Airlines deal was found by Cheapflights users on 5/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2811:43 amMKE - EZE
2 stops20h 07mAmerican Airlines
Fri 12/1910:30 pmEZE - MKE
2 stops17h 02mAmerican Airlines
Deal found 5/1$1,230
This FlightHub deal was found by Cheapflights users on 4/30. 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.
Sun 6/811:00 amMKE - EZE
2 stops35h 10mMultiple Airlines
Fri 7/1112:06 amEZE - MKE
2 stops22h 39mMultiple Airlines
Deal found 4/30$1,383
This Air Canada deal was found by Cheapflights users on 4/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/145:31 pmMKE - EZE
3 stops42h 59mAir Canada
Thu 8/284:35 pmEZE - MKE
3 stops31h 21mAir Canada
Deal found 4/30$1,656

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 May 1, 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

Thu 8/14

2:45 pm-9:45 am

1 stop17h 00m

Buenos Aires Ministro Pistarini

Thu 8/28

8:10 pm-11:13 am

1 stop17h 03m

$1,025

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Thu 8/14

12:10 pm-8:00 am

2 stops17h 50m

Buenos Aires Ministro Pistarini

Thu 8/28

9:00 pm-4:56 pm

2 stops21h 56m

$1,030

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Thu 8/14

10:45 am-5:45 am

2 stops17h 00m

Buenos Aires Ministro Pistarini

Wed 8/27

1:40 am-4:56 pm

2 stops17h 16m

$1,071

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Sun 6/8

11:00 am-12:10 am

2 stops35h 10m

Buenos Aires Ministro Pistarini

Fri 7/11

12:06 am-8:45 pm

2 stops22h 39m

$1,383

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Thu 8/14

5:31 pm-2:30 pm

3 stops42h 59m

Buenos Aires Ministro Pistarini

Thu 8/28

4:35 pm-9:56 pm

3 stops31h 21m

$1,656

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Fri 9/5

10:50 am-3:20 pm

2 stops26h 30m

$635

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Fri 9/5

7:45 am-1:00 pm

3 stops27h 15m

$637

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Fri 9/5

12:20 pm-9:45 am

1 stop19h 25m

$972

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

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 May.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars

*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, 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.

Rainfall in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Buenos Aires ranges from 2.0 - 3.9 inches per month. January is typically the wettest month, when rainfall can reach 3.9 in. June is typically the driest time to visit Buenos Aires when rainfall is around 2.0 in.

Temperature in Buenos Aires by month

Plan your trip to Buenos Aires by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Buenos Aires, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of June, when temperatures are typically at their lowest (around 51.8 F).

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 May 1, 2025.
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,934 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Canada
7.0
Good
9,252 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Avianca
6.7
Okay
2,317 reviews
Delta
8.0
Very good
7,934 reviews

Entertainment

7.9

Overall

8.0

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • What are the cheapest airlines flying from Milwaukee to Buenos Aires round-trip?

    Delta, at $1,025, was found to be the cheapest airline from Milwaukee to Buenos Aires.Alternate airlines to your destination round-trip include United Airlines and Avianca. Delta is priced at 27% 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$1,063Average$1,355FlexibilityNo cancel feeOn-timeN/A

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