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$108+ Cheap flights from San Juan 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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — MKE
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
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Cheapflights Tip: The best prices from San Juan 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 San Juan to Milwaukee

Discover tips and strategies to find the most affordable flight options for your journey from San Juan (PR1) 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 April 2, 2025.

Round-trip from

$215
(American Airlines)

One-way from

$108
(American Airlines)

Popular in

June

Cheapest in

February

Average price

$406
From San Juan to Milwaukee-Mitchell
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One-way flight from San Juan to Milwaukee-Mitchell
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Highest demand for flights based on searches. 15% potential increase in price ($71 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from San Juan to Milwaukee

Cheapest flights from San Juan to Milwaukee
Explore the most affordable flight options available from San Juan to Milwaukee. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 2, 2025.

This American Airlines deal was found by Cheapflights users on 4/1. 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.
Fri 4/256:05 amSJU - MKE
1 stop17h 53mAmerican Airlines
Sat 5/34:55 pmMKE - SJU
1 stop11h 05mAmerican Airlines
Deal found 4/1$215
This Mytrip deal was found by Cheapflights users on 4/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/98:12 pmSJU - MKE
2 stops16h 15mSpirit Airlines
Fri 5/169:15 amMKE - SJU
1 stop12h 23mSpirit Airlines
Deal found 4/1$255
This Frontier deal was found by Cheapflights users on 4/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/102:56 amSJU - MKE
1 stop13h 06mFrontier
Fri 4/183:52 pmMKE - SJU
1 stop8h 58mFrontier
Deal found 4/1$316
This United Airlines deal was found by Cheapflights users on 4/1. 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.
Wed 4/301:05 amSJU - MKE
1 stop8h 12mUnited Airlines
Tue 5/610:15 amMKE - SJU
2 stops12h 42mUnited Airlines
Deal found 4/1$325
This Delta deal was found by Cheapflights users on 4/1. 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 4/312:59 pmSJU - MKE
1 stop11h 48mDelta
Mon 4/76:55 amMKE - SJU
1 stop8h 52mDelta
Deal found 4/1$369
This Mytrip deal was found by Cheapflights users on 4/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/23:05 amSJU - MKE
1 stop20h 05mMultiple Airlines
Mon 4/74:05 pmMKE - SJU
2 stops26h 06mMultiple Airlines
Deal found 4/1$388
This Southwest deal was found by Cheapflights users on 4/1. 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.
Tue 4/227:00 amSJU - MKE
1 stop11h 30mSouthwest
Thu 5/81:25 pmMKE - SJU
1 stop6h 40mSouthwest
Deal found 4/1$528

Cheapflights Fare Finder

Customize your flight search to find flights from San Juan 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 April 2, 2025.
Use the filters below to find and compare flights from San Juan to Milwaukee that are best for you.

Fly from

San Juan

Fly to

Milwaukee

Route

Depart

Return

Price

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

Fri 4/25

6:05 am-10:58 pm

1 stop17h 53m

Milwaukee-Mitchell

Sat 5/3

4:55 pm-5:00 am

1 stop11h 05m

$215

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

Fri 5/9

8:12 pm-11:27 am

2 stops16h 15m

Milwaukee-Mitchell

Fri 5/16

9:15 am-10:38 pm

1 stop12h 23m

$255

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

Thu 4/10

2:56 am-3:02 pm

1 stop13h 06m

Milwaukee-Mitchell

Fri 4/18

3:52 pm-1:50 am

1 stop8h 58m

$316

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

Wed 4/30

1:05 am-8:17 am

1 stop8h 12m

Milwaukee-Mitchell

Tue 5/6

10:15 am-11:57 pm

2 stops12h 42m

$325

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

Sat 5/31

4:15 pm-10:57 pm

1 stop7h 42m

Milwaukee-Mitchell

Wed 6/18

3:07 pm-10:51 pm

1 stop6h 44m

$439

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

Tue 4/22

7:00 am-5:30 pm

1 stop11h 30m

Milwaukee-Mitchell

Thu 5/8

1:25 pm-9:05 pm

1 stop6h 40m

$528

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

Thu 4/24

6:05 am-2:06 pm

3 stops33h 01m

Milwaukee-Mitchell

Tue 4/29

3:06 pm-1:45 pm

2 stops21h 39m

$2,753

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

Fri 4/25

3:20 pm-10:58 pm

1 stop8h 38m

$108

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

Wed 4/30

1:05 am-8:17 am

1 stop8h 12m

$118

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

Fri 4/18

9:21 am-3:46 pm

1 stop7h 25m

$140

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 14 results
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Best time to book a flight from San Juan to Milwaukee

Have a flexible travel schedule? Discover the best time to fly to Milwaukee from San Juan 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 to Milwaukee

How far ahead should I book a flight from San Juan to Milwaukee?

Use this chart to determine the optimal time to book a round-trip flight from San Juan to Milwaukee. Price data was last updated on March 28, 2025.

Booking 35 days in advance of your planned departure date is, on average, the best time to get cheap flights from San Juan 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 to Milwaukee?

Currently, February is the cheapest month in which you can book a flight from San Juan to Milwaukee (average of $280). Flying from San Juan 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 San Juan 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 April 2, 2025.

One of the essential ways to save on airfare from San Juan 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.

Rainfall in Milwaukee by month

Plan your trip to Milwaukee by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Milwaukee ranges from 1.4 - 4.0 inches per month. June is typically the wettest month, when rainfall can reach 4.0 in. January is typically the driest time to visit Milwaukee when rainfall is around 1.4 in.

Temperature in Milwaukee by month

Plan your trip to Milwaukee by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Milwaukee, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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 April 2, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from San Juan to Milwaukee have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,823 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,823 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,275 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,899 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,615 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
JetBlue
7.3
Good
2,924 reviews
Alaska Airlines
8.0
Very good
9,823 reviews

Entertainment

7.1

Boarding

8.2

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from San Juan 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?

    If you book a flight to Milwaukee from San Juan, 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 to Milwaukee-Mitchell per day from 6 different airlines.

  • What are the cheapest airlines flying from San Juan to Milwaukee round-trip?

    Currently priced at $215, American Airlines will fly you from San Juan to Milwaukee and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Spirit Airlines and Frontier - these airlines can fly you to your destination from $255 and $316, respectively. Users have found that American Airlines is 44% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from San Juan to Milwaukee one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $108. Users have also found prices from $118 and $140 on United Airlines and Spirit Airlines, respectively.

  • Can I find deals for flights from San Juan to Milwaukee that include hotel bookings?

    Yes. In addition to deals on San Juan to Milwaukee flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Juan to Milwaukee?

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

  • Can I find deals for business class flights from San Juan to Milwaukee?

    Yes. Cheapflights offers flight deals from San Juan 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 to Milwaukee?

    Currently, February is the cheapest month in which you can book a flight from San Juan to Milwaukee (average of $280). Flying from San Juan 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 San Juan?

Book flights to San Juan if you plan to visit one of these locations
Mequon
Pewaukee
Sheboygan
Oak Creek
Wauwatosa

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from San Juan to Milwaukee

Discover the top 6 airlines that operate flights from San Juan 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 April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$182Average$345FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$215Average$419FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$265Average$396FlexibilityNo cancel feeOn-time71%
DeltaCheapest$275Average$395FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$378Average$481FlexibilityNo cancel feeOn-time63%
JetBlueCheapest$397Average$457FlexibilityNo cancel feeOn-time62%

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