What is the cheapest airline that flies from Milwaukee-Mitchell to Buenos Aires?

American Airlines and Delta are the most popular carriers operating from Milwaukee-Mitchell to Buenos Aires

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 32% 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 December 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.

$525 Cheap Flights from Milwaukee to Buenos Aires in 2025/26

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Find the cheapest flights from Milwaukee to Buenos Aires

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10:10 am - 6:05 am

MKE

EZE

40h 55m2 stops

8:00 am - 11:58 am

EZE

MKE

29h 58m2 stops

$936Delta

Mon, Mar 2 - Mon, Mar 9

6:29 pm - 9:00 am

MKE

EZE

35h 31m1 stop

10:25 pm - 8:06 pm

EZE

MKE

23h 41m1 stop

$944Delta

Sun, Mar 1 - Mon, Mar 9

9:44 am - 7:20 am

MKE

EZE

42h 36m2 stops

9:05 pm - 2:10 pm

EZE

MKE

19h 05m2 stops

$955United Airlines

Sun, Mar 1 - Mon, Mar 9

7:03 am - 10:15 am

MKE

EZE

24h 12m1 stop

11:55 pm - 11:58 am

EZE

MKE

14h 03m1 stop

$1,010LATAM Airlines

Thu, Feb 19 - Mon, Mar 9

2:20 pm - 9:00 am

MKE

EZE

15h 40m1 stop

7:43 pm - 10:21 am

EZE

MKE

17h 38m2 stops

$1,013LATAM Airlines

Sat, Feb 28 - Fri, Mar 6

1:35 pm - 9:00 am

MKE

EZE

16h 25m1 stop

8:55 pm - 9:09 am

EZE

MKE

15h 14m1 stop

$1,018LATAM Airlines

Wed, Feb 25 - Wed, Mar 4

10:15 am - 9:00 am

MKE

EZE

19h 45m1 stop

11:55 pm - 12:31 pm

EZE

MKE

15h 36m1 stop

$1,026Delta

Wed, Feb 4 - Tue, Feb 24

2:55 pm - 7:20 am

MKE

EZE

13h 25m1 stop

12:15 pm - 12:31 pm

EZE

MKE

27h 16m2 stops

$1,027LATAM Airlines

Wed, Feb 4 - Tue, Feb 24

6:29 pm - 9:00 am

MKE

EZE

35h 31m1 stop

8:55 pm - 5:29 pm

EZE

MKE

22h 34m1 stop

$1,029Delta

Sun, Mar 1 - Sun, Mar 8

6:55 am - 10:15 am

MKE

EZE

24h 20m2 stops

10:25 pm - 5:29 pm

EZE

MKE

21h 04m2 stops

$1,030Delta

Thu, Feb 19 - Mon, Mar 9

Delta flights from Milwaukee to Buenos Aires

Our best Delta deals on Milwaukee to Buenos Aires flight tickets

Delta

Mar 2

MKE10:10 amMilwaukee-Mitchell

40h 55m

2 stops

EZE6:05 amBuenos Aires Ministro Pistarini

Mar 9

EZE8:00 amBuenos Aires Ministro Pistarini

29h 58m

2 stops

MKE11:58 amMilwaukee-Mitchell

$936

Find similar

Delta

Mar 1

MKE6:29 pmMilwaukee-Mitchell

35h 31m

1 stop

EZE9:00 amBuenos Aires Ministro Pistarini

Mar 9

EZE10:25 pmBuenos Aires Ministro Pistarini

23h 41m

1 stop

MKE8:06 pmMilwaukee-Mitchell

$944

Find similar

Delta

Feb 4

MKE10:15 amMilwaukee-Mitchell

19h 45m

1 stop

EZE9:00 amBuenos Aires Ministro Pistarini

Feb 24

EZE11:55 pmBuenos Aires Ministro Pistarini

15h 36m

1 stop

MKE12:31 pmMilwaukee-Mitchell

$1,026

Find similar

United Airlines flights from Milwaukee to Buenos Aires

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

United Airlines

Mar 1

MKE9:44 amMilwaukee-Mitchell

42h 36m

2 stops

EZE7:20 amBuenos Aires Ministro Pistarini

Mar 9

EZE9:05 pmBuenos Aires Ministro Pistarini

19h 05m

2 stops

MKE2:10 pmMilwaukee-Mitchell

$955

Find similar

United Airlines

Jan 26

MKE7:50 amMilwaukee-Mitchell

20h 30m

1 stop

EZE7:20 amBuenos Aires Ministro Pistarini

Feb 4

EZE10:05 pmBuenos Aires Ministro Pistarini

19h 50m

1 stop

MKE2:55 pmMilwaukee-Mitchell

$1,101

Find similar

United Airlines

Jan 26

MKE5:00 amMilwaukee-Mitchell

23h 20m

2 stops

EZE7:20 amBuenos Aires Ministro Pistarini

Feb 5

EZE11:55 pmBuenos Aires Ministro Pistarini

18h 48m

2 stops

MKE3:43 pmMilwaukee-Mitchell

$1,105

Find similar

Fly from

Fly to

Route

Depart

Return

Price

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Mon 3/2

10:10 am-6:05 am

2 stops40h 55m

Buenos Aires Ministro Pistarini

Mon 3/9

8:00 am-11:58 am

2 stops29h 58m

$936

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Sun 3/1

6:29 pm-9:00 am

1 stop35h 31m

Buenos Aires Ministro Pistarini

Mon 3/9

10:25 pm-8:06 pm

1 stop23h 41m

$944

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Sun 3/1

9:44 am-7:20 am

2 stops42h 36m

Buenos Aires Ministro Pistarini

Mon 3/9

9:05 pm-2:10 pm

2 stops19h 05m

$955

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Thu 2/19

7:03 am-10:15 am

1 stop24h 12m

Buenos Aires Ministro Pistarini

Mon 3/9

11:55 pm-11:58 am

1 stop14h 03m

$1,010

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Sat 2/28

2:20 pm-9:00 am

1 stop15h 40m

Buenos Aires Ministro Pistarini

Fri 3/6

7:43 pm-10:21 am

2 stops17h 38m

$1,013

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Wed 2/25

1:35 pm-9:00 am

1 stop16h 25m

Buenos Aires Ministro Pistarini

Wed 3/4

8:55 pm-9:09 am

1 stop15h 14m

$1,018

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Wed 2/4

10:15 am-9:00 am

1 stop19h 45m

Buenos Aires Ministro Pistarini

Tue 2/24

11:55 pm-12:31 pm

1 stop15h 36m

$1,026

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Wed 2/4

2:55 pm-7:20 am

1 stop13h 25m

Buenos Aires Ministro Pistarini

Tue 2/24

12:15 pm-12:31 pm

2 stops27h 16m

$1,027

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Sun 3/1

6:29 pm-9:00 am

1 stop35h 31m

Buenos Aires Ministro Pistarini

Sun 3/8

8:55 pm-5:29 pm

1 stop22h 34m

$1,029

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Thu 2/19

6:55 am-10:15 am

2 stops24h 20m

Buenos Aires Ministro Pistarini

Mon 3/9

10:25 pm-5:29 pm

2 stops21h 04m

$1,030

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted 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 $1,053.

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

Fastest flight time	14h 20m
Direct flights	None

The fastest flight from Milwaukee to Buenos Aires takes 14h 20m

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 14h 20m.
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 December 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 8,005 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

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.

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Find better results for your trip to Argentina

Cheap flights from Milwaukee to Buenos Aires from $525

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Milwaukee to Buenos Aires departing on 3/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names and deals

Filter for what you want

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

United Airlines flights from Milwaukee to Buenos Aires

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

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See travel insights to Buenos Aires from

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

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 is the cheapest airline that flies from Milwaukee-Mitchell to Buenos Aires?

American Airlines and Delta are the most popular carriers operating from Milwaukee-Mitchell 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

Fastest flight time

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