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Cheap flights from Milwaukee to Buenos Aires from $682

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 9/1. 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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Find the cheapest flights from Milwaukee to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
5:32 pm - 9:45 am
MKE
-
EZE
14h 13m
1 stop
LATAM Airlines Logo
8:10 pm - 5:30 pm
EZE
-
MKE
23h 20m
1 stop
$1,139LATAM Airlines
Wed, May 13 - Wed, May 20
LATAM Airlines Logo
7:15 am - 9:20 am
MKE
-
EZE
24h 05m
2 stops
LATAM Airlines Logo
3:55 am - 11:53 pm
EZE
-
MKE
21h 58m
2 stops
$1,143LATAM Airlines
Wed, May 13 - Wed, May 20
United Airlines Logo
3:51 pm - 8:00 am
MKE
-
EZE
14h 09m
1 stop
United Airlines Logo
9:00 pm - 10:05 am
EZE
-
MKE
15h 05m
1 stop
$1,147United Airlines
Wed, May 13 - Thu, May 21
United Airlines Logo
1:46 pm - 8:00 am
MKE
-
EZE
16h 14m
2 stops
United Airlines Logo
9:00 pm - 2:14 pm
EZE
-
MKE
19h 14m
2 stops
$1,151United Airlines
Wed, May 13 - Thu, May 21
LATAM Airlines Logo
2:59 pm - 6:50 pm
MKE
-
EZE
25h 51m
2 stops
LATAM Airlines Logo
8:10 pm - 9:06 am
EZE
-
MKE
14h 56m
1 stop
$1,177LATAM Airlines
Wed, Jul 22 - Wed, Aug 5
LATAM Airlines Logo
4:37 pm - 9:45 am
MKE
-
EZE
15h 08m
1 stop
LATAM Airlines Logo
8:10 pm - 11:38 am
EZE
-
MKE
17h 28m
1 stop
$1,179LATAM Airlines
Thu, May 14 - Sun, May 24
LATAM Airlines Logo
4:18 pm - 11:30 am
MKE
-
EZE
17h 12m
2 stops
LATAM Airlines Logo
7:35 am - 5:35 pm
EZE
-
MKE
36h 00m
3 stops
$1,182LATAM Airlines
Thu, Jun 4 - Sat, Jul 4
LATAM Airlines Logo
10:13 am - 9:20 am
MKE
-
EZE
21h 07m
2 stops
LATAM Airlines Logo
7:35 am - 12:01 am
EZE
-
MKE
18h 26m
2 stops
$1,183LATAM Airlines
Thu, Jun 4 - Sat, Jul 4
Delta Logo
3:36 pm - 9:45 am
MKE
-
EZE
16h 09m
1 stop
Delta Logo
8:10 pm - 11:38 am
EZE
-
MKE
17h 28m
1 stop
$1,187Delta
Thu, May 14 - Fri, May 22
LATAM Airlines Logo
2:55 pm - 9:45 am
MKE
-
EZE
16h 50m
1 stop
LATAM Airlines Logo
8:10 pm - 11:38 am
EZE
-
MKE
17h 28m
1 stop
$1,189LATAM Airlines
Wed, May 13 - Fri, May 22

LATAM Airlines flights from Milwaukee to Buenos Aires

Our best LATAM Airlines deals on Milwaukee to Buenos Aires flight tickets
LATAM Airlines
May 13
MKE5:32 pmMilwaukee-Mitchell
14h 13m
1 stop
EZE9:45 amBuenos Aires Ministro Pistarini
May 20
EZE8:10 pmBuenos Aires Ministro Pistarini
23h 20m
1 stop
MKE5:30 pmMilwaukee-Mitchell
$1,139
LATAM Airlines
May 13
MKE7:15 amMilwaukee-Mitchell
24h 05m
2 stops
EZE9:20 amBuenos Aires Ministro Pistarini
May 20
EZE3:55 amBuenos Aires Ministro Pistarini
21h 58m
2 stops
MKE11:53 pmMilwaukee-Mitchell
$1,143
LATAM Airlines
Jul 22
MKE2:59 pmMilwaukee-Mitchell
25h 51m
2 stops
EZE6:50 pmBuenos Aires Ministro Pistarini
Aug 5
EZE8:10 pmBuenos Aires Ministro Pistarini
14h 56m
1 stop
MKE9:06 amMilwaukee-Mitchell
$1,177

United Airlines flights from Milwaukee to Buenos Aires

Our best United Airlines deals on Milwaukee to Buenos Aires flight tickets
United Airlines
May 13
MKE3:51 pmMilwaukee-Mitchell
14h 09m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
May 21
EZE9:00 pmBuenos Aires Ministro Pistarini
15h 05m
1 stop
MKE10:05 amMilwaukee-Mitchell
$1,147
United Airlines
May 13
MKE1:46 pmMilwaukee-Mitchell
16h 14m
2 stops
EZE8:00 amBuenos Aires Ministro Pistarini
May 21
EZE9:00 pmBuenos Aires Ministro Pistarini
19h 14m
2 stops
MKE2:14 pmMilwaukee-Mitchell
$1,151
United Airlines
May 11
MKE8:15 amMilwaukee-Mitchell
21h 45m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
May 18
EZE9:00 pmBuenos Aires Ministro Pistarini
17h 12m
1 stop
MKE12:12 pmMilwaukee-Mitchell
$1,222

momondo 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, momondo users made 832,500 searches. Data last updated March 28, 2026.
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

Cheapest round-trip

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Wed 5/13

5:32 pm-9:45 am

1 stop14h 13m

Buenos Aires Ministro Pistarini

Wed 5/20

8:10 pm-5:30 pm

1 stop23h 20m

$1,139

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Wed 5/13

7:15 am-9:20 am

2 stops24h 05m

Buenos Aires Ministro Pistarini

Wed 5/20

3:55 am-11:53 pm

2 stops21h 58m

$1,143
Quickest round-trip

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Wed 5/13

3:51 pm-8:00 am

1 stop14h 09m

Buenos Aires Ministro Pistarini

Thu 5/21

9:00 pm-10:05 am

1 stop15h 05m

$1,147

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Wed 5/13

1:46 pm-8:00 am

2 stops16h 14m

Buenos Aires Ministro Pistarini

Thu 5/21

9:00 pm-2:14 pm

2 stops19h 14m

$1,151

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Wed 7/22

2:59 pm-6:50 pm

2 stops25h 51m

Buenos Aires Ministro Pistarini

Wed 8/5

8:10 pm-9:06 am

1 stop14h 56m

$1,177

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Thu 5/14

4:37 pm-9:45 am

1 stop15h 08m

Buenos Aires Ministro Pistarini

Sun 5/24

8:10 pm-11:38 am

1 stop17h 28m

$1,179

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Thu 6/4

4:18 pm-11:30 am

2 stops17h 12m

Buenos Aires Ministro Pistarini

Sat 7/4

7:35 am-5:35 pm

3 stops36h 00m

$1,182

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Thu 6/4

10:13 am-9:20 am

2 stops21h 07m

Buenos Aires Ministro Pistarini

Sat 7/4

7:35 am-12:01 am

2 stops18h 26m

$1,183

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Thu 5/14

3:36 pm-9:45 am

1 stop16h 09m

Buenos Aires Ministro Pistarini

Fri 5/22

8:10 pm-11:38 am

1 stop17h 28m

$1,187

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Wed 5/13

2:55 pm-9:45 am

1 stop16h 50m

Buenos Aires Ministro Pistarini

Fri 5/22

8:10 pm-11:38 am

1 stop17h 28m

$1,189

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Buenos Aires from

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 typical price of a round-trip flight between Milwaukee and Buenos Aires?

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 $793, 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 $1,059.

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 08m

Direct flights

None
The fastest flight from Milwaukee to Buenos Aires takes 14h 08m
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 08m.

  • 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 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?

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.

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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
Buenos Aires Jorge Newbery Airport
Buenos Aires Ministro Pistarini Airport