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

United Airlines, at $1,025, was found to be the cheapest airline from Milwaukee to Buenos Aires.Alternate airlines to your destination round-trip include LATAM Airlines and Delta. United Airlines is priced at 24% 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.

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.

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).

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 October tends to be the cheapest month to fly to Buenos Aires from Milwaukee. Users have commonly found prices around $1,358 for the month, but tickets can be as low as $1,025. 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.

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.

$953+ Flights from Milwaukee to Buenos Aires

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Cheap flight deals from Milwaukee to Buenos Aires

Round-trip from	$953 (Avianca Connect)
Popular in	December
Cheapest in	October
Average price	$1,270

From Milwaukee-Mitchell to Buenos Aires (BUE)

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Highest demand for flights based on searches. 22% potential increase in price ($393 potential increase over avg. RT price).

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Cheapest flight prices on average. 12% potential price decrease ($151 potential savings vs. average RT price).

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Average for round-trip flights in July 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 julio 3, 2025.

vie. 8/156:00 amMKE - EZE

2 stops21h 45mMultiple Airlines

jue. 8/211:40 amEZE - MKE

2 stops23h 26mMultiple Airlines

Deal found 7/1

$953

lun. 12/294:00 pmMKE - EZE

1 stop14h 20mUnited Airlines

mié. 1/2111:55 pmEZE - MKE

1 stop17h 51mUnited Airlines

Deal found 6/30

$1,025

mar. 12/3012:18 pmMKE - EZE

2 stops27h 25mLATAM Airlines

lun. 1/197:45 amEZE - MKE

3 stops28h 42mLATAM Airlines

Deal found 6/30

$1,028

mar. 12/3012:18 pmMKE - EZE

1 stop16h 02mDelta

vie. 1/2310:25 pmEZE - MKE

1 stop24h 22mDelta

Deal found 6/30

$1,065

mar. 12/306:23 amMKE - EZE

1 stop23h 47mAmerican Airlines

lun. 1/1911:35 pmEZE - MKE

2 stops24h 53mAmerican Airlines

Deal found 6/30

$1,235

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 julio 3, 2025.

vie. 8/156:00 amMKE - EZE

2 stops21h 45mMultiple Airlines

jue. 8/211:40 amEZE - MKE

2 stops23h 26mMultiple Airlines

Deal found 7/1

$953

lun. 12/294:00 pmMKE - EZE

1 stop14h 20mUnited Airlines

mié. 1/2111:55 pmEZE - MKE

1 stop17h 51mUnited Airlines

Deal found 6/30

$1,025

mar. 12/3012:18 pmMKE - EZE

2 stops27h 25mLATAM Airlines

lun. 1/197:45 amEZE - MKE

3 stops28h 42mLATAM Airlines

Deal found 6/30

$1,028

mar. 12/3012:18 pmMKE - EZE

1 stop16h 02mDelta

vie. 1/2310:25 pmEZE - MKE

1 stop24h 22mDelta

Deal found 6/30

$1,065

mar. 12/306:23 amMKE - EZE

1 stop23h 47mAmerican Airlines

lun. 1/1911:35 pmEZE - MKE

2 stops24h 53mAmerican Airlines

Deal found 6/30

$1,235

Last-minute flights from Milwaukee to Buenos Aires
Discover last-minute flight deals from Milwaukee to Buenos Aires. Data last updated julio 3, 2025 and is based on user searches.

jue. 7/1010:08 amMKE - EZE

2 stops17h 47mDelta

sáb. 7/268:10 pmEZE - MKE

1 stop14h 53mDelta

Deal found 7/1

$1,240

jue. 7/104:56 pmMKE - EZE

2 stops17h 02mLATAM Airlines

sáb. 7/265:55 amEZE - MKE

2 stops29h 08mLATAM Airlines

Deal found 7/1

$1,346

jue. 7/1010:05 amMKE - EZE

2 stops20h 55mAmerican Airlines

sáb. 7/268:50 pmEZE - MKE

2 stops19h 30mAmerican Airlines

Deal found 7/3

$1,400

jue. 7/102:51 pmMKE - EZE

3 stops31h 19mMultiple Airlines

sáb. 7/2611:25 pmEZE - MKE

2 stops18h 17mMultiple Airlines

Deal found 7/2

$1,636

jue. 7/105:31 pmMKE - EZE

3 stops42h 59mAir Canada

sáb. 7/264:35 pmEZE - MKE

3 stops24h 35mAir Canada

Deal found 7/3

$5,393

mié. 7/163:14 pmMKE - EZE

1 stop16h 31mDelta

vie. 7/258:10 pmEZE - MKE

1 stop22h 50mDelta

Deal found 7/3

$1,240

mié. 7/162:22 pmMKE - EZE

2 stops18h 28mAmerican Airlines

vie. 7/2510:30 pmEZE - MKE

2 stops22h 31mAmerican Airlines

Deal found 7/2

$1,245

lun. 8/46:54 pmMKE - EZE

2 stops45h 18mLATAM Airlines

vie. 8/157:40 amEZE - MKE

2 stops18h 09mLATAM Airlines

Deal found 7/3

$1,294

vie. 8/156:00 amMKE - EZE

2 stops21h 45mMultiple Airlines

jue. 8/211:40 amEZE - MKE

2 stops23h 26mMultiple Airlines

Deal found 7/1

$953

dom. 8/175:50 pmMKE - EZE

1 stop36h 10mUnited Airlines

dom. 8/249:00 pmEZE - MKE

2 stops39h 13mUnited Airlines

Deal found 7/2

$1,173

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

vie. 8/15

6:00 am-5:45 am

2 stops21h 45m

Buenos Aires Ministro Pistarini

jue. 8/21

1:40 am-11:06 pm

2 stops23h 26m

$953

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

lun. 12/29

4:00 pm-9:20 am

1 stop14h 20m

Buenos Aires Ministro Pistarini

mié. 1/21

11:55 pm-2:46 pm

1 stop17h 51m

$1,025

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

mar. 12/30

12:18 pm-6:43 pm

2 stops27h 25m

Buenos Aires Ministro Pistarini

lun. 1/19

7:45 am-9:27 am

3 stops28h 42m

$1,028

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

mar. 12/30

12:18 pm-7:20 am

1 stop16h 02m

Buenos Aires Ministro Pistarini

vie. 1/23

10:25 pm-7:47 pm

1 stop24h 22m

$1,065

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

mar. 12/30

6:23 am-9:10 am

1 stop23h 47m

Buenos Aires Ministro Pistarini

lun. 1/19

11:35 pm-9:28 pm

2 stops24h 53m

$1,235

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

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

Peruse reviews from past customers who have flown with Delta, LATAM Airlines, and United 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

8.0

Very good

7,982 reviews

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

7,982 reviews

Delta

8.0

Very good

7,982 reviews

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!

LATAM Airlines

7.5

Good

1,805 reviews

Delta

8.0

Very good

7,982 reviews

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!

United Airlines

7.4

Good

8,861 reviews

Delta

8.0

Very good

7,982 reviews

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!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,982 reviews

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

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?
United Airlines, at $1,025, was found to be the cheapest airline from Milwaukee to Buenos Aires.Alternate airlines to your destination round-trip include LATAM Airlines and Delta. United Airlines is priced at 24% 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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$953+ 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 8/15. 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

Round-trip from

Popular in

Cheapest in

Average price

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 julio 3, 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 julio 3, 2025.

Cheapflights Fare Finder

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

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?

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

Reviews of airlines servicing Buenos Aires

Peruse reviews from past customers who have flown with Delta, LATAM Airlines, and United 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.

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 julio 3, 2025.