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Cheap flights from Milwaukee to Buenos Aires from $745

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 10/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Milwaukee to Buenos Aires

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:37 pm - 9:45 am
MKE
-
EZE
13h 08m
1 stop
Delta Logo
7:20 am - 9:06 am
EZE
-
MKE
28h 46m
2 stops
$1,148Delta
Tue, Sep 15 - Tue, Nov 3
Delta Logo
2:55 pm - 9:40 am
MKE
-
EZE
16h 45m
2 stops
Delta Logo
7:20 am - 11:29 am
EZE
-
MKE
30h 09m
2 stops
$1,152Delta
Mon, Sep 14 - Mon, Oct 26
LATAM Airlines Logo
6:37 pm - 9:40 am
MKE
-
EZE
37h 03m
2 stops
LATAM Airlines Logo
7:20 am - 11:53 pm
EZE
-
MKE
19h 33m
2 stops
$1,171LATAM Airlines
Sun, Sep 13 - Thu, Nov 5
LATAM Airlines Logo
10:11 am - 6:10 am
MKE
-
EZE
17h 59m
2 stops
LATAM Airlines Logo
7:20 am - 11:53 pm
EZE
-
MKE
18h 33m
2 stops
$1,188LATAM Airlines
Tue, Sep 15 - Sat, Oct 31
LATAM Airlines Logo
12:20 pm - 9:40 am
MKE
-
EZE
18h 20m
2 stops
LATAM Airlines Logo
7:20 am - 11:53 pm
EZE
-
MKE
19h 33m
2 stops
$1,192LATAM Airlines
Sun, Dec 13 - Wed, Dec 23
LATAM Airlines Logo
6:37 pm - 9:45 am
MKE
-
EZE
13h 08m
1 stop
LATAM Airlines Logo
7:20 am - 11:53 pm
EZE
-
MKE
19h 33m
2 stops
$1,202LATAM Airlines
Mon, Sep 14 - Tue, Nov 3
United Airlines Logo
10:43 am - 8:00 am
MKE
-
EZE
19h 17m
1 stop
United Airlines Logo
9:00 pm - 5:09 pm
EZE
-
MKE
22h 09m
1 stop
$1,223United Airlines
Wed, Aug 12 - Wed, Aug 19
United Airlines Logo
8:30 am - 8:00 am
MKE
-
EZE
21h 30m
2 stops
United Airlines Logo
9:00 pm - 2:33 pm
EZE
-
MKE
19h 33m
2 stops
$1,227United Airlines
Wed, Aug 12 - Wed, Aug 19
Delta Logo
10:11 am - 9:45 am
MKE
-
EZE
21h 34m
1 stop
Delta Logo
7:20 am - 9:06 am
EZE
-
MKE
28h 46m
2 stops
$1,228Delta
Sun, Sep 13 - Sun, Nov 1
LATAM Airlines Logo
4:46 pm - 9:40 am
MKE
-
EZE
14h 54m
2 stops
LATAM Airlines Logo
5:00 pm - 9:06 am
EZE
-
MKE
18h 06m
2 stops
$1,236LATAM Airlines
Mon, Sep 14 - Tue, Oct 27

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United Airlines flights from Milwaukee to Buenos Aires

Our best United Airlines deals on Milwaukee to Buenos Aires flight tickets
United Airlines
Aug 12
MKE10:43 amMilwaukee-Mitchell
19h 17m
1 stop
EZE8:00 amBuenos Aires Ministro Pistarini
Aug 19
EZE9:00 pmBuenos Aires Ministro Pistarini
22h 09m
1 stop
MKE5:09 pmMilwaukee-Mitchell
$1,223
United Airlines
Aug 12
MKE8:30 amMilwaukee-Mitchell
21h 30m
2 stops
EZE8:00 amBuenos Aires Ministro Pistarini
Aug 19
EZE9:00 pmBuenos Aires Ministro Pistarini
19h 33m
2 stops
MKE2:33 pmMilwaukee-Mitchell
$1,227
United Airlines
Aug 14
MKE7:18 amMilwaukee-Mitchell
22h 42m
2 stops
EZE8:00 amBuenos Aires Ministro Pistarini
Aug 21
EZE9:00 pmBuenos Aires Ministro Pistarini
22h 09m
1 stop
MKE5:09 pmMilwaukee-Mitchell
$1,307

American Airlines flights from Milwaukee to Buenos Aires

Our best American Airlines deals on Milwaukee to Buenos Aires flight tickets
American Airlines
Dec 13
MKE11:57 amMilwaukee-Mitchell
17h 33m
1 stop
EZE8:30 amBuenos Aires Ministro Pistarini
Dec 23
EZE10:30 pmBuenos Aires Ministro Pistarini
15h 33m
1 stop
MKE11:03 amMilwaukee-Mitchell
$1,248
American Airlines
Jul 27
MKE12:09 pmMilwaukee-Mitchell
17h 06m
1 stop
EZE7:15 amBuenos Aires Ministro Pistarini
Aug 3
EZE10:00 pmBuenos Aires Ministro Pistarini
21h 55m
1 stop
MKE5:55 pmMilwaukee-Mitchell
$1,498

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 July 1, 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

Tue 9/15

6:37 pm-9:45 am

1 stop13h 08m

Buenos Aires Ministro Pistarini

Tue 11/3

7:20 am-9:06 am

2 stops28h 46m

$1,148

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Mon 9/14

2:55 pm-9:40 am

2 stops16h 45m

Buenos Aires Ministro Pistarini

Mon 10/26

7:20 am-11:29 am

2 stops30h 09m

$1,152

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Sun 9/13

6:37 pm-9:40 am

2 stops37h 03m

Buenos Aires Ministro Pistarini

Thu 11/5

7:20 am-11:53 pm

2 stops19h 33m

$1,171

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Tue 9/15

10:11 am-6:10 am

2 stops17h 59m

Buenos Aires Ministro Pistarini

Sat 10/31

7:20 am-11:53 pm

2 stops18h 33m

$1,188

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Sun 12/13

12:20 pm-9:40 am

2 stops18h 20m

Buenos Aires Ministro Pistarini

Wed 12/23

7:20 am-11:53 pm

2 stops19h 33m

$1,192
Quickest round-trip

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Mon 9/14

6:37 pm-9:45 am

1 stop13h 08m

Buenos Aires Ministro Pistarini

Tue 11/3

7:20 am-11:53 pm

2 stops19h 33m

$1,202

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Wed 8/12

10:43 am-8:00 am

1 stop19h 17m

Buenos Aires Ministro Pistarini

Wed 8/19

9:00 pm-5:09 pm

1 stop22h 09m

$1,223

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Wed 8/12

8:30 am-8:00 am

2 stops21h 30m

Buenos Aires Ministro Pistarini

Wed 8/19

9:00 pm-2:33 pm

2 stops19h 33m

$1,227

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Sun 9/13

10:11 am-9:45 am

1 stop21h 34m

Buenos Aires Ministro Pistarini

Sun 11/1

7:20 am-9:06 am

2 stops28h 46m

$1,228

MilwaukeeBuenos Aires

MKE - EZE

MKEEZE

Milwaukee-Mitchell

Mon 9/14

4:46 pm-9:40 am

2 stops14h 54m

Buenos Aires Ministro Pistarini

Tue 10/27

5:00 pm-9:06 am

2 stops18h 06m

$1,236

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 cheapest month to fly to Buenos Aires?

The cheapest month to fly to Buenos Aires from Milwaukee is in July. Flight prices, which tend to average around $0, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of July, then book flights to Buenos Aires from Milwaukee during September instead. Flights to Buenos Aires in September, while not as cheap as those in July, still average around $793.

Can stopping save me money on Milwaukee to Buenos Aires flights?

You could potentially save up to 44% on your flight if you consider stops on a Milwaukee to Buenos Aires flight.

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

19h 17m

Direct flights

None
The fastest flight from Milwaukee to Buenos Aires takes 19h 17m
There are no direct flights from Milwaukee to Buenos Aires. There are no popular flight routes from Milwaukee to Buenos Aires.
Search flight deals

Frequently asked questions about flying from Milwaukee to Buenos Aires

  • 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 19h 17m.

  • 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