What airlines fly to Buenos Aires?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Buenos Aires from Milwaukee according to our data. United Airlines is the first choice among our users, with 35% of people opting to fly with this airline when traveling to Buenos Aires. Keep in mind that there are 6 different airlines that fly to Buenos Aires on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Milwaukee-Mitchell Airport to Buenos Aires?

Prices for flights from Milwaukee-Mitchell Airport to Buenos Aires are refreshed on a daily basis.

How many operators does momondo search for flights from Milwaukee-Mitchell Airport to Buenos Aires?

As of October 2025, there is 1 operator available to choose from for flights from Milwaukee-Mitchell Airport to Buenos Aires.

How old do you have to be to fly from Milwaukee-Mitchell Airport to Buenos Aires?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Milwaukee-Mitchell Airport to Buenos Aires.

What documentation or ID do you need to fly to Buenos Aires?

The necessary travel and health documents for your Buenos Aires trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$927 Cheap Flights from Milwaukee to Buenos Aires in 2025/26

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1:22 pm - 10:15 amMKE-EZE

17h 53m2 stops

10:25 pm - 4:07 pmEZE-MKE

20h 42m2 stops

$927Delta

Find Deal

lun., nov. 24 - jue., dic. 4

4:00 pm - 9:20 amMKE-EZE

14h 20m1 stop

11:55 pm - 3:01 pmEZE-MKE

18h 06m1 stop

$936United Airlines

Find Deal

lun., dic. 1 - mar., dic. 9

10:25 am - 10:15 amMKE-EZE

20h 50m2 stops

8:55 pm - 10:46 amEZE-MKE

16h 51m1 stop

$940Delta

Find Deal

mié., dic. 3 - mié., dic. 10

1:00 pm - 10:15 amMKE-EZE

18h 15m2 stops

8:55 pm - 10:44 amEZE-MKE

16h 49m1 stop

$1,007Delta

Find Deal

jue., nov. 27 - mié., dic. 3

10:25 am - 6:20 amMKE-EZE

16h 55m2 stops

8:00 am - 11:54 pmEZE-MKE

18h 54m2 stops

$1,008LATAM Airlines

Find Deal

mié., dic. 3 - lun., dic. 8

11:39 am - 9:35 amMKE-EZE

18h 56m2 stops

8:00 am - 11:55 pmEZE-MKE

18h 55m2 stops

$1,036LATAM Airlines

Find Deal

mié., dic. 10 - mié., dic. 17

5:00 am - 7:20 amMKE-EZE

23h 20m2 stops

6:15 am - 10:56 pmEZE-MKE

19h 41m3 stops

$1,284Multiple Airlines

Find Deal

vie., feb. 6 - lun., feb. 9

3:13 pm - 8:30 amMKE-EZE

14h 17m1 stop

11:59 pm - 10:58 pmEZE-MKE

25h 59m1 stop

$1,701American Airlines

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vie., ene. 2 - jue., ene. 8

2:32 pm - 3:10 pmMKE-EZE

21h 38m3 stops

4:45 pm - 12:09 pmEZE-MKE

22h 24m3 stops

$1,735Multiple Airlines

Find Deal

vie., feb. 6 - lun., feb. 9

5:13 pm - 5:50 amMKE-EZE

33h 37m2 stops

7:30 am - 4:57 pmEZE-MKE

36h 27m2 stops

$2,105Avianca

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mié., nov. 26 - mar., dic. 9

Delta flights from Milwaukee to Buenos Aires

Our best Delta deals on Milwaukee to Buenos Aires flight tickets

Delta

Nov 24

MKE1:22 pmMilwaukee-Mitchell

17h 53m

2 stops

EZE10:15 amBuenos Aires Ministro Pistarini

Dec 4

EZE10:25 pmBuenos Aires Ministro Pistarini

20h 42m

2 stops

MKE4:07 pmMilwaukee-Mitchell

$927

Find similar

Delta

Dec 3

MKE10:25 amMilwaukee-Mitchell

20h 50m

2 stops

EZE10:15 amBuenos Aires Ministro Pistarini

Dec 10

EZE8:55 pmBuenos Aires Ministro Pistarini

16h 51m

1 stop

MKE10:46 amMilwaukee-Mitchell

$940

Find similar

Delta

Nov 27

MKE1:00 pmMilwaukee-Mitchell

18h 15m

2 stops

EZE10:15 amBuenos Aires Ministro Pistarini

Dec 3

EZE8:55 pmBuenos Aires Ministro Pistarini

16h 49m

1 stop

MKE10:44 amMilwaukee-Mitchell

$1,007

Find similar

United Airlines flights from Milwaukee to Buenos Aires

Our best United Airlines deals on Milwaukee to Buenos Aires flight tickets

United Airlines

Dec 1

MKE4:00 pmMilwaukee-Mitchell

14h 20m

1 stop

EZE9:20 amBuenos Aires Ministro Pistarini

Dec 9

EZE11:55 pmBuenos Aires Ministro Pistarini

18h 06m

1 stop

MKE3:01 pmMilwaukee-Mitchell

$936

Find similar

United Airlines

Dec 1

MKE8:00 amMilwaukee-Mitchell

22h 20m

1 stop

EZE9:20 amBuenos Aires Ministro Pistarini

Dec 12

EZE11:55 pmBuenos Aires Ministro Pistarini

23h 47m

1 stop

MKE8:42 pmMilwaukee-Mitchell

$1,021

Find similar

United Airlines

Nov 25

MKE4:00 pmMilwaukee-Mitchell

14h 20m

1 stop

EZE9:20 amBuenos Aires Ministro Pistarini

Dec 6

EZE10:05 pmBuenos Aires Ministro Pistarini

20h 03m

2 stops

MKE3:08 pmMilwaukee-Mitchell

$1,025

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

lun. 11/24

1:22 pm-10:15 am

2 stops17h 53m

Buenos Aires Ministro Pistarini

jue. 12/4

10:25 pm-4:07 pm

2 stops20h 42m

$927

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

lun. 12/1

4:00 pm-9:20 am

1 stop14h 20m

Buenos Aires Ministro Pistarini

mar. 12/9

11:55 pm-3:01 pm

1 stop18h 06m

$936

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

mié. 12/3

10:25 am-10:15 am

2 stops20h 50m

Buenos Aires Ministro Pistarini

mié. 12/10

8:55 pm-10:46 am

1 stop16h 51m

$940

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

jue. 11/27

1:00 pm-10:15 am

2 stops18h 15m

Buenos Aires Ministro Pistarini

mié. 12/3

8:55 pm-10:44 am

1 stop16h 49m

$1,007

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

mié. 12/3

10:25 am-6:20 am

2 stops16h 55m

Buenos Aires Ministro Pistarini

lun. 12/8

8:00 am-11:54 pm

2 stops18h 54m

$1,008

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

mié. 12/10

11:39 am-9:35 am

2 stops18h 56m

Buenos Aires Ministro Pistarini

mié. 12/17

8:00 am-11:55 pm

2 stops18h 55m

$1,036

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

vie. 2/6

5:00 am-7:20 am

2 stops23h 20m

Buenos Aires Ministro Pistarini

lun. 2/9

6:15 am-10:56 pm

3 stops19h 41m

$1,284

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

vie. 1/2

3:13 pm-8:30 am

1 stop14h 17m

Buenos Aires Ministro Pistarini

jue. 1/8

11:59 pm-10:58 pm

1 stop25h 59m

$1,701

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

vie. 2/6

2:32 pm-3:10 pm

3 stops21h 38m

Buenos Aires Ministro Pistarini

lun. 2/9

4:45 pm-12:09 pm

3 stops22h 24m

$1,735

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

mié. 11/26

5:13 pm-5:50 am

2 stops33h 37m

Buenos Aires Ministro Pistarini

mar. 12/9

7:30 am-4:57 pm

2 stops36h 27m

$2,105

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from Milwaukee to Buenos Aires

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from Milwaukee is in September. Flight prices, which tend to average around $949, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Buenos Aires from Milwaukee during November instead. Flights to Buenos Aires in November, while not as cheap as those in September, still average around $1,120.

What is the cheapest day to depart on your flight to Buenos Aires?

On average, the least expensive day to fly to Buenos Aires from Milwaukee is on a Sunday. momondo users have found tickets for Sunday departures for as low as $1,063. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Saturday as prices are generally higher than usual. According to our data, the average ticket price to Buenos Aires on Saturday is $2,858.

What is the cheapest time of day to depart on your flight to Buenos Aires?

Our most recent data shows that the best time of day to fly to Buenos Aires is at noon. Flights from Milwaukee to Buenos Aires during this time can be as low as $1,396. Try not to purchase tickets in the afternoon because they tend to be around $1,446. Of course, these prices can vary depending on the time of year and what airport you fly to.

When to book flights from Milwaukee to Buenos Aires

Are you open to changing your travel dates? Check out the ideal times to fly from Milwaukee to Buenos Aires according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Milwaukee to Buenos Aires (MKE to BUE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Milwaukee to Buenos Aires

Direct flights	None

There are no direct flights from Milwaukee to Buenos Aires. There are no popular flight routes from Milwaukee to Buenos Aires.

Search flight deals

How far is Milwaukee-Mitchell to Buenos Aires by plane?
A flight from Milwaukee-Mitchell to Buenos Aires will travel around 5675.5 mi. In terms of flight time, this usually takes a little over 12h 48m.
When did momondo last update prices for flights from Milwaukee-Mitchell Airport to Buenos Aires?
Prices for flights from Milwaukee-Mitchell Airport to Buenos Aires are refreshed on a daily basis.
How many operators does momondo search for flights from Milwaukee-Mitchell Airport to Buenos Aires?
As of October 2025, there is 1 operator available to choose from for flights from Milwaukee-Mitchell Airport to Buenos Aires.
How old do you have to be to fly from Milwaukee-Mitchell Airport to Buenos Aires?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Milwaukee-Mitchell Airport to Buenos Aires.
What documentation or ID do you need to fly to Buenos Aires?
The necessary travel and health documents for your Buenos Aires trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Milwaukee to Buenos Aires?
momondo data reveals that the most frequently booked airline on the route from Milwaukee to Buenos Aires is Delta, representing 100% of all bookings.

Best airlines flying from Milwaukee to Buenos Aires

Compare and see reviews for airlines that fly from Milwaukee to Buenos Aires with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $1,081	Free Cancellation	Rating 7.9 7,978 reviews		Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Milwaukee to Buenos Aires?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Milwaukee to Buenos Aires. momondo saves you time and could save you money on your trip.

Can I find flights from Milwaukee to Buenos Aires with flexible booking policies on momondo?

Flights from Milwaukee to Buenos Aires with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Milwaukee to Buenos Aires?

Once you have performed a search for Milwaukee to Buenos Aires flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Milwaukee to Buenos Aires right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Milwaukee to Buenos Aires now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Buenos Aires and let you know when they change.

An easier way to manage your Buenos Aires trip

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mié. 11/19

mié. 11/26

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Cheap flights from Milwaukee to Buenos Aires from $927

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Milwaukee to Buenos Aires departing on 11/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

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Filter for what you want

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Delta flights from Milwaukee to Buenos Aires

Our best Delta deals on Milwaukee to Buenos Aires flight tickets

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Our best United Airlines deals on Milwaukee to Buenos Aires flight tickets

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How to get the cheapest flight ticket from Milwaukee to Buenos Aires

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Buenos Aires?

What is the cheapest day to depart on your flight to Buenos Aires?

What is the cheapest time of day to depart on your flight to Buenos Aires?

What airlines fly to Buenos Aires?

When to book flights from Milwaukee to Buenos Aires

Cheap Milwaukee to Buenos Aires (MKE to BUE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Milwaukee to Buenos Aires

Direct flights

How far is Milwaukee-Mitchell to Buenos Aires by plane?

When did momondo last update prices for flights from Milwaukee-Mitchell Airport to Buenos Aires?

How many operators does momondo search for flights from Milwaukee-Mitchell Airport to Buenos Aires?

How old do you have to be to fly from Milwaukee-Mitchell Airport to Buenos Aires?

What documentation or ID do you need to fly to Buenos Aires?

What is the most popular airline from Milwaukee to Buenos Aires?

Best airlines flying from Milwaukee to Buenos Aires

Compare and see reviews for airlines that fly from Milwaukee to Buenos Aires with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Milwaukee to Buenos Aires?

Can I find flights from Milwaukee to Buenos Aires with flexible booking policies on momondo?

How can momondo help me find flights from Milwaukee to Buenos Aires?

I’m not ready to book a flight from Milwaukee to Buenos Aires right now. Can momondo alert me if prices change?

An easier way to manage your Buenos Aires trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Argentina

Fly into one of these airports located in Buenos Aires

Airports listed have a maximum distance of 17.0 mi from Buenos Aires