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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 12/18. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — MKE
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
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 September or February, booked 33 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 November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$138
(Frontier)

One-way from

$118
(Delta)

Popular in

July

Cheapest in

September

Average price

$399
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 ($106 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 13, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/189:37 pmSJU - MKE
1 stop22h 49mMultiple Airlines
Tue 12/308:15 pmMKE - SJU
1 stop28h 35mMultiple Airlines
Deal found 11/11$234
This American Airlines deal was found by Cheapflights users on 11/11. 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.
Wed 12/2412:30 pmSJU - MKE
1 stop7h 16mAmerican Airlines
Sat 1/38:08 pmMKE - SJU
1 stop6h 52mAmerican Airlines
Deal found 11/11$240
This Kiwi.com deal was found by Cheapflights users on 11/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/253:59 amSJU - MKE
1 stop17h 14mMultiple Airlines
Sun 11/307:43 pmMKE - SJU
2 stops27h 29mMultiple Airlines
Deal found 11/12$305
This Delta deal was found by Cheapflights users on 11/12. 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.
Thu 12/43:32 pmSJU - MKE
1 stop10h 22mDelta
Wed 12/107:00 amMKE - SJU
1 stop8h 20mDelta
Deal found 11/12$306
This American Airlines deal was found by Cheapflights users on 11/12. 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.
Thu 12/44:41 pmSJU - MKE
1 stop9h 20mAmerican Airlines
Wed 12/105:00 amMKE - SJU
2 stops9h 08mAmerican Airlines
Deal found 11/12$308
This American Airlines deal was found by Cheapflights users on 11/11. 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.
Thu 12/113:58 pmSJU - MKE
1 stop9h 07mAmerican Airlines
Sun 12/1411:57 amMKE - SJU
1 stop15h 22mAmerican Airlines
Deal found 11/11$314
This American Airlines deal was found by Cheapflights users on 11/12. 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.
Tue 12/236:15 pmSJU - MKE
1 stop7h 43mAmerican Airlines
Sat 1/38:08 pmMKE - SJU
1 stop6h 52mAmerican Airlines
Deal found 11/12$315
This Expedia deal was found by Cheapflights users on 11/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1211:05 amSJU - MKE
1 stop8h 04mMultiple Airlines
Mon 12/1510:34 amMKE - SJU
1 stop11h 42mMultiple Airlines
Deal found 11/11$317

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 November 13, 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

Thu 1/22

11:05 am-6:45 pm

1 stop9h 40m

Milwaukee-Mitchell

Sun 1/25

7:40 pm-9:55 am

1 stop12h 15m

$138

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

Thu 2/19

8:30 am-5:48 pm

2 stops11h 18m

Milwaukee-Mitchell

Mon 2/23

6:38 pm-12:57 pm

1 stop16h 19m

$235

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

Thu 2/19

6:15 am-11:15 am

1 stop7h 00m

Milwaukee-Mitchell

Mon 2/23

10:16 am-11:49 pm

1 stop11h 33m

$235

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

Thu 1/29

2:15 pm-11:46 pm

1 stop11h 31m

Milwaukee-Mitchell

Mon 2/2

12:17 pm-8:57 pm

1 stop6h 40m

$235

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

Wed 12/24

12:30 pm-5:46 pm

1 stop7h 16m

Milwaukee-Mitchell

Wed 12/31

10:43 am-5:00 am

1 stop16h 17m

$240

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

Wed 12/17

3:55 am-7:20 pm

1 stop17h 25m

Milwaukee-Mitchell

Tue 12/30

8:15 pm-2:50 am

1 stop28h 35m

$260

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

Wed 2/18

3:55 am-6:45 pm

1 stop16h 50m

Milwaukee-Mitchell

Mon 2/23

7:40 pm-9:55 am

1 stop12h 15m

$286

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

Tue 11/25

3:59 am-7:13 pm

1 stop17h 14m

Milwaukee-Mitchell

Sun 11/30

7:43 pm-1:12 am

2 stops27h 29m

$305

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

Thu 12/4

6:38 pm-11:54 pm

1 stop7h 16m

Milwaukee-Mitchell

Wed 12/10

7:00 am-5:20 pm

1 stop8h 20m

$306

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

Thu 12/18

8:25 am-5:49 pm

2 stops11h 24m

$118

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 17 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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Juan Luis Munoz Marin Intl Airport-Milwaukee flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 November 7, 2025.

Booking 33 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, September is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Milwaukee (average of $113). Flying from San Juan Luis Munoz Marin Intl Airport to Milwaukee in June is currently the most expensive (average of $182). 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 November 13, 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 5% 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 November 13, 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
4,242 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

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
4,242 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

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
7.9
Good
8,007 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

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
9,017 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

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
11,051 reviews
Southwest
8.0
Very good
4,242 reviews

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Overall

8.0

Boarding

8.1

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 Frontier, American Airlines, and Delta fly from San Juan Luis Munoz Marin Intl Airport to Milwaukee in about 7h. The time it takes to get you to your destination can typically vary by up to 4h 18m. 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.

  • 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, September is the cheapest month in which you can book a flight from San Juan Luis Munoz Marin Intl Airport to Milwaukee (average of $113). Flying from San Juan Luis Munoz Marin Intl Airport to Milwaukee in June is currently the most expensive (average of $182). 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?

Book flights to Milwaukee if you plan to visit one of these locations
Sheboygan
New Berlin
Oak Creek
Wauwatosa

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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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$215Average$399FlexibilityNo cancel feeOn-time69%
DeltaCheapest$215Average$398FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$235Average$399FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$305Average$485FlexibilityNo cancel feeOn-time63%

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