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$118+ Cheap flights from Luis Munoz Marin Intl (SJU) to Milwaukee (MKE)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — MKE
oct. 29 — nov. 51
mié. 10/29
mié. 11/5
1 adult, Economy
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Cheapflights Tip: The best prices from San Juan Luis Munoz Marin Intl to Milwaukee-Mitchell are usually found in February or January, booked 35 days in advance, depart on a Thursday or Saturday and return on a Tuesday

Cheap flight deals from Luis Munoz Marin Intl to Milwaukee

Discover tips and strategies to find the most affordable flight options for your journey from Luis Munoz Marin Intl (SJU) to Milwaukee (MKE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated septiembre 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$235
(Southwest)

One-way from

$118
(Delta)

Popular in

July

Cheapest in

February

Average price

$328
Provider with most accurate pricing for San Juan Luis Munoz Marin Intl-Milwaukee-Mitchell flight deals.
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Provider most trusted by Cheapflights users for San Juan Luis Munoz Marin Intl-Milwaukee-Mitchell flights.
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From San Juan Luis Munoz Marin Intl to Milwaukee-Mitchell
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One-way flight from San Juan Luis Munoz Marin Intl to Milwaukee-Mitchell
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Highest demand for flights based on searches. 21% potential increase in price ($104 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Luis Munoz Marin Intl to Milwaukee

Cheapest flights from Luis Munoz Marin Intl to Milwaukee
Explore the most affordable flight options available from Luis Munoz Marin Intl to Milwaukee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 29, 2025.

This Southwest deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/511:20 amSJU - MKE
1 stop7h 05mSouthwest
sáb. 11/82:25 pmMKE - SJU
1 stop8h 05mSouthwest
Deal found 9/27$235
This American Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/231:35 pmSJU - MKE
2 stops11h 39mAmerican Airlines
dom. 10/267:12 amMKE - SJU
1 stop15h 42mAmerican Airlines
Deal found 9/28$240
This Delta deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/237:15 amSJU - MKE
1 stop9h 36mDelta
dom. 10/2612:06 pmMKE - SJU
1 stop8h 53mDelta
Deal found 9/27$300
This Delta deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/43:10 pmSJU - MKE
1 stop7h 20mDelta
mié. 12/105:45 amMKE - SJU
1 stop6h 29mDelta
Deal found 9/27$317
This American Airlines deal was found by Cheapflights users on 9/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/183:00 pmSJU - MKE
1 stop9h 56mAmerican Airlines
lun. 10/278:16 pmMKE - SJU
1 stop16h 52mAmerican Airlines
Deal found 9/29$324
This United Airlines deal was found by Cheapflights users on 9/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/221:05 amSJU - MKE
2 stops11h 21mUnited Airlines
dom. 10/267:00 amMKE - SJU
1 stop6h 40mUnited Airlines
Deal found 9/28$325
This American Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/117:00 amSJU - MKE
1 stop12h 02mAmerican Airlines
mar. 12/164:30 pmMKE - SJU
2 stops15h 37mAmerican Airlines
Deal found 9/27$360
This United Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/241:05 amSJU - MKE
2 stops15h 04mUnited Airlines
mié. 10/295:00 amMKE - SJU
2 stops14h 26mUnited Airlines
Deal found 9/27$365
This United Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/231:05 amSJU - MKE
2 stops10h 06mUnited Airlines
lun. 10/276:05 amMKE - SJU
1 stop7h 35mUnited Airlines
Deal found 9/27$366
This United Airlines deal was found by Cheapflights users on 9/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/42:05 amSJU - MKE
1 stop10h 14mUnited Airlines
sáb. 11/810:53 amMKE - SJU
2 stops9h 29mUnited Airlines
Deal found 9/27$373

Cheapflights Fare Finder

 
Customize your flight search to find flights from Luis Munoz Marin Intl to Milwaukee 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, Cheapflights users made 2,558,603 searches. Data last updated septiembre 29, 2025.
Use the filters below to find and compare flights from San Juan Luis Munoz Marin Intl Airport to Milwaukee that are best for you.

Fly from

Luis Munoz Marin Intl

Fly to

Milwaukee

Route

Depart

Return

Price

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

jue. 2/5

2:12 pm-8:12 pm

1 stop8h 00m

Milwaukee-Mitchell

dom. 2/8

7:00 am-8:30 pm

1 stop11h 30m

$235

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

vie. 1/30

5:40 am-11:05 am

1 stop7h 25m

Milwaukee-Mitchell

dom. 2/1

3:00 pm-12:05 am

1 stop7h 05m

$235

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

jue. 11/6

8:00 am-6:27 pm

2 stops12h 27m

Milwaukee-Mitchell

dom. 11/9

6:48 pm-10:17 am

2 stops13h 29m

$235

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

jue. 2/5

4:52 pm-10:56 pm

1 stop8h 04m

Milwaukee-Mitchell

dom. 2/8

8:33 am-10:22 pm

2 stops11h 49m

$235

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

mié. 11/5

11:20 am-4:25 pm

1 stop7h 05m

Milwaukee-Mitchell

sáb. 11/8

2:25 pm-12:30 am

1 stop8h 05m

$235

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

jue. 1/29

6:00 am-3:56 pm

2 stops11h 56m

Milwaukee-Mitchell

lun. 2/2

6:00 am-5:03 pm

2 stops9h 03m

$235

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

jue. 11/6

7:15 am-1:09 pm

1 stop7h 54m

Milwaukee-Mitchell

dom. 11/9

11:37 am-11:13 pm

1 stop9h 36m

$235

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

sáb. 1/31

5:06 pm-9:52 am

1 stop18h 46m

$118

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

vie. 1/23

7:30 am-4:17 pm

1 stop10h 47m

$118

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

jue. 2/26

8:35 am-3:35 pm

1 stop9h 00m

$118

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/28

Showing 1-10 of 16 results
1
2

Compare providers for flights from Luis Munoz Marin Intl to Milwaukee

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Luis Munoz Marin Intl to Milwaukee in September.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-Milwaukee flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Juan Luis Munoz Marin Intl Airport-Milwaukee flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Juan Luis Munoz Marin Intl Airport-Milwaukee flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Juan Luis Munoz Marin Intl Airport-Milwaukee flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Juan Luis Munoz Marin Intl Airport-Milwaukee flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Luis Munoz Marin Intl to Milwaukee

Have a flexible travel schedule? Discover the best time to fly to Milwaukee from Luis Munoz Marin Intl 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 San Juan Luis Munoz Marin Intl Airport to Milwaukee

How far ahead should I book a flight from San Juan Luis Munoz Marin Intl Airport to Milwaukee?

Use this chart to determine the optimal time to book a round-trip flight from Luis Munoz Marin Intl to Milwaukee. Price data was last updated on September 26, 2025.

Booking 35 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Juan Luis Munoz Marin Intl Airport to Milwaukee. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from San Juan Luis Munoz Marin Intl Airport to Milwaukee?

Currently, February is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Milwaukee (average of $280). Flying from San Juan Luis Munoz Marin Intl Airport to Milwaukee in June is currently the most expensive (average of $376). 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.

What is the cheapest time of day to fly from SJU to MKE?

Find hourly flight availability from Luis Munoz Marin Intl to Milwaukee. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 29, 2025.

One of the essential ways to save on airfare from San Juan Luis Munoz Marin Intl Airport to Milwaukee is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 6% on airfare.

Reviews of airlines servicing Milwaukee

Get insights into the airlines that provide service to Milwaukee. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Milwaukee. Reviews last updated septiembre 29, 2025.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from San Juan Luis Munoz Marin Intl Airport to Milwaukee. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,246 reviews

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,246 reviews
Southwest
8.0
Very good
4,246 reviews

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Delta
8.0
Very good
7,964 reviews
Southwest
8.0
Very good
4,246 reviews

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,924 reviews
Southwest
8.0
Very good
4,246 reviews

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,246 reviews

Crew

8.6

Entertainment

7.5

Boarding

8.1

Comfort

8.0

Food

7.0

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Luis Munoz Marin Intl to Milwaukee. 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 into for flights to Milwaukee from San Juan Luis Munoz Marin Intl?

    If you book a flight to Milwaukee from San Juan Luis Munoz Marin Intl, you will be flying to Milwaukee-Mitchell, which is the city’s only airport. Milwaukee-Mitchell (MKE) is located 6.4 mi from the center of Milwaukee. There are 0 flights from San Juan Luis Munoz Marin Intl to Milwaukee-Mitchell per day from 4 different airlines.

  • How long is the flight from San Juan Luis Munoz Marin Intl Airport to Milwaukee?

    Airlines like Delta, Southwest, and American Airlines fly from San Juan Luis Munoz Marin Intl Airport to Milwaukee in about 7h 25m. The time it takes to get you to your destination can typically vary by up to 5h 02m. The distance between San Juan Luis Munoz Marin Intl Airport and Milwaukee is about 2120 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from San Juan Luis Munoz Marin Intl Airport to Milwaukee round-trip?

    Our cheapest airline available from San Juan Luis Munoz Marin Intl Airport to Milwaukee is Delta. Our recent data shows that you can find tickets from as low as $215 on this airline. Additional options worth looking into are United Airlines and American Airlines, starting at $215 and $235 round-trip. Users have found that Delta is 44% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from San Juan Luis Munoz Marin Intl Airport to Milwaukee one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $118. Delta flights start at $118 while deals on United Airlines start at $118 one-way.

  • Can I find deals for flights from Luis Munoz Marin Intl to Milwaukee that include hotel bookings?

    Yes. In addition to deals on Luis Munoz Marin Intl to Milwaukee flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Luis Munoz Marin Intl to Milwaukee?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Luis Munoz Marin Intl to Milwaukee.

  • Can I find deals for business class flights from Luis Munoz Marin Intl to Milwaukee?

    Yes. Cheapflights offers flight deals from Luis Munoz Marin Intl to Milwaukee 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 San Juan Luis Munoz Marin Intl Airport to Milwaukee?

    Currently, February is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Milwaukee (average of $280). Flying from San Juan Luis Munoz Marin Intl Airport to Milwaukee in June is currently the most expensive (average of $376). 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

Traveling to a place near Milwaukee?

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Alternative routes for Luis Munoz Marin Intl to Milwaukee

See prices for flight routes from nearby airports that may be better suited for you.
Luis Munoz Marin Intl to O'Hare Intl flights
Luis Munoz Marin Intl to Minneapolis flights
Luis Munoz Marin Intl to Madison flights

Top 4 airlines flying from Luis Munoz Marin Intl to Milwaukee

Discover the top 4 airlines that operate flights from Luis Munoz Marin Intl to Milwaukee. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$215Average$399FlexibilityNo cancel feeOn-time69%
DeltaCheapest$215Average$390FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$235Average$394FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$323Average$490FlexibilityNo cancel feeOn-time63%

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