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

Delta, at $1,081, 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 23% lower than the current average price of a flight leaving 3 months from now.

What is the cheapest day to fly from Milwaukee to Buenos Aires?

Travelers seeking maximum savings on their Milwaukee to Buenos Aires flight should consider departing on Sunday afternoons when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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

Travelers have found that booking a Saturday departure is the best way to save up to 168% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

What is the cheapest month to fly from Milwaukee to Buenos Aires?

Our data shows that September tends to be the cheapest month to fly to Buenos Aires from Milwaukee. Users have commonly found prices around $1,409 for the month, but tickets can be as low as $1,105. Due to multiple factors, prepare for potentially higher prices in December.

What is the cheapest time of day to fly from MKE to BUE?

Unlike at noon, when flights are generally more expensive, you can save up to 4% on flights from Milwaukee to Buenos Aires by exploring options for tickets in the morning.

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.

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.

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.

$1,046+ Flights from Milwaukee to Buenos Aires

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1. Tell us where you want to go

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Cheap flight deals from Milwaukee to Buenos Aires

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$1,081 (Delta)
Popular in	December
Cheapest in	September

Provider with most accurate pricing for Milwaukee-Mitchell-Buenos Aires (BUE) flight deals.

Search Deals

Provider most trusted by Cheapflights users for Milwaukee-Mitchell-Buenos Aires (BUE) flights.

Search Deals

From Milwaukee-Mitchell to Buenos Aires (BUE)

Search Deals

Highest demand for flights based on searches. 20% potential increase in price ($365 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 13% potential price decrease ($167 potential savings vs. average RT price).

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 April 22, 2025.

Mon 12/15:21 pmMKE - EZE

2 stops34h 59mUnited Airlines

Thu 12/1111:55 pmEZE - MKE

1 stop17h 51mUnited Airlines

Deal found 4/22

$1,046

Mon 12/12:45 pmMKE - EZE

1 stop15h 15mDelta

Thu 12/1110:50 pmEZE - MKE

1 stop21h 57mDelta

Deal found 4/22

$1,053

Sun 6/157:03 pmMKE - EZE

3 stops32h 52mMultiple Airlines

Fri 6/202:32 pmEZE - MKE

2 stops29h 37mMultiple Airlines

Deal found 4/22

$1,199

Fri 6/611:00 amMKE - EZE

2 stops16h 45mAvianca

Fri 6/136:50 amEZE - MKE

2 stops35h 50mAvianca

Deal found 4/22

$1,305

Mon 6/162:33 pmMKE - EZE

2 stops14h 52mAmerican Airlines

Fri 6/208:30 pmEZE - MKE

2 stops18h 50mAmerican Airlines

Deal found 4/22

$1,363

Sat 11/225:21 pmMKE - EZE

3 stops43h 04mAir Canada

Mon 12/15:00 pmEZE - MKE

3 stops32h 09mAir Canada

Deal found 4/21

$1,507

Fri 6/611:00 amMKE - EZE

2 stops19h 14mCopa Airlines

Thu 6/1212:06 amEZE - MKE

2 stops19h 09mCopa Airlines

Deal found 4/22

$3,206

Best flights from Milwaukee to Buenos Aires
Discover carefully curated flight deals from Milwaukee to Buenos Aires that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 22, 2025.

Mon 6/166:36 pmMKE - EZE

1 stop13h 09mDelta

Wed 6/183:55 amEZE - MKE

2 stops33h 04mDelta

Deal found 4/22

$1,081

Thu 7/1010:20 amMKE - EZE

1 stop19h 40mUnited Airlines

Sat 7/269:00 pmEZE - MKE

2 stops21h 50mUnited Airlines

Deal found 4/21

$1,120

Sun 6/157:03 pmMKE - EZE

3 stops32h 52mMultiple Airlines

Fri 6/202:32 pmEZE - MKE

2 stops29h 37mMultiple Airlines

Deal found 4/22

$1,199

Fri 6/611:00 amMKE - EZE

2 stops16h 45mAvianca

Fri 6/136:50 amEZE - MKE

2 stops35h 50mAvianca

Deal found 4/22

$1,305

Mon 6/162:33 pmMKE - EZE

2 stops14h 52mAmerican Airlines

Fri 6/208:30 pmEZE - MKE

2 stops18h 50mAmerican Airlines

Deal found 4/22

$1,363

Mon 5/53:52 pmMKE - EZE

3 stops44h 38mAir Canada

Thu 6/124:35 pmEZE - MKE

3 stops30h 25mAir Canada

Deal found 4/21

$2,047

Fri 6/611:00 amMKE - EZE

2 stops19h 14mCopa Airlines

Thu 6/1212:06 amEZE - MKE

2 stops19h 09mCopa Airlines

Deal found 4/22

$3,206

Last-minute flights from Milwaukee to Buenos Aires
Discover last-minute flight deals from Milwaukee to Buenos Aires. Data last updated April 22, 2025 and is based on user searches.

Mon 5/510:15 amMKE - EZE

2 stops27h 05mMultiple Airlines

Thu 6/125:03 amEZE - MKE

2 stops38h 12mMultiple Airlines

Deal found 4/21

$1,279

Mon 5/52:04 pmMKE - EZE

1 stop15h 56mUnited Airlines

Thu 6/129:00 pmEZE - MKE

2 stops39h 22mUnited Airlines

Deal found 4/21

$1,382

Mon 5/510:19 amMKE - EZE

1 stop21h 26mDelta

Thu 6/128:10 pmEZE - MKE

1 stop26h 34mDelta

Deal found 4/21

$1,406

Mon 5/53:52 pmMKE - EZE

3 stops44h 38mAir Canada

Thu 6/124:35 pmEZE - MKE

3 stops30h 25mAir Canada

Deal found 4/21

$2,047

Cheapflights Fare Finder

Use the filters below to find and compare flights from Milwaukee to Buenos Aires that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Mon 6/16

6:36 pm-9:45 am

1 stop13h 09m

Buenos Aires Ministro Pistarini

Wed 6/18

3:55 am-10:59 am

2 stops33h 04m

$1,081

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Thu 7/10

5:15 am-8:00 am

2 stops24h 45m

Buenos Aires Ministro Pistarini

Sat 7/26

9:00 pm-4:50 pm

2 stops21h 50m

$1,120

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Sun 6/15

7:03 pm-5:55 am

3 stops32h 52m

Buenos Aires Ministro Pistarini

Fri 6/20

2:32 pm-6:09 pm

2 stops29h 37m

$1,199

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Fri 6/6

11:00 am-5:45 am

2 stops16h 45m

Buenos Aires Ministro Pistarini

Fri 6/13

6:50 am-4:40 pm

2 stops35h 50m

$1,305

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Mon 6/16

2:33 pm-7:25 am

2 stops14h 52m

Buenos Aires Ministro Pistarini

Fri 6/20

8:30 pm-1:20 pm

2 stops18h 50m

$1,363

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Mon 5/5

3:52 pm-2:30 pm

3 stops44h 38m

Buenos Aires Ministro Pistarini

Thu 6/12

4:35 pm-9:00 pm

3 stops30h 25m

$2,047

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Fri 6/6

11:00 am-8:14 am

2 stops19h 14m

Buenos Aires Ministro Pistarini

Thu 6/12

12:06 am-5:15 pm

2 stops19h 09m

$3,206

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Compare providers for flights from Milwaukee to Buenos Aires

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 April.

Provider	Price Accuracy	Trust Score*
eDreams	Price Accuracy3 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust 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

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

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

Delta

8.0

Very good

7,920 reviews

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

7,920 reviews

Delta

8.0

Very good

7,920 reviews

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.

Copa Airlines

7.5

Good

1,408 reviews

Delta

8.0

Very good

7,920 reviews

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

8,683 reviews

Delta

8.0

Very good

7,920 reviews

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.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,920 reviews

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

9,179 reviews

Delta

8.0

Very good

7,920 reviews

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

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 $1,081, 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 23% 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

Top airline flying from Milwaukee to Buenos Aires

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$1,063	Average$1,355	FlexibilityNo cancel fee	On-timeN/A

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$1,046+ 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Milwaukee to Buenos Aires with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Milwaukee to Buenos Aires

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Find flight deals from Milwaukee to Buenos Aires

Cheapest flights from Milwaukee to Buenos AiresExplore 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 April 22, 2025.

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 April 22, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Milwaukee to Buenos Aires that are best for you.

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 April.

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.

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?

Rainfall in Buenos Aires by month

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

Temperature in Buenos Aires by month

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

Reviews of airlines servicing Buenos Aires

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?

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

Can I find deals for flights from Milwaukee to Buenos Aires that include hotel bookings?

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

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

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

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.

Alternative routes for Milwaukee to Buenos Aires

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Milwaukee to Buenos Aires

100% Free

Book with Flexibility

Travel Smart

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 April 22, 2025.