Milwaukee

$111+ 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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
SJU — MKE
Apr 15 — Apr 221
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Cheap 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 March 16, 2026.

This Priceline deal was found by Cheapflights users on 3/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/296:30 am
SJU
-
MKE
1 stop29h 56m
Frontier
Tue 5/58:46 am
MKE
-
SJU
1 stop12h 57m
Frontier
Deal found 3/14$243
This United Airlines deal was found by Cheapflights users on 3/14. 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 4/291:00 am
SJU
-
MKE
2 stops9h 45m
United Airlines
Tue 5/59:37 am
MKE
-
SJU
1 stop9h 57m
United Airlines
Deal found 3/14$250
This Frontier deal was found by Cheapflights users on 3/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/33:21 am
SJU
-
MKE
1 stop9h 05m
Frontier
Sun 5/108:46 am
MKE
-
SJU
1 stop7h 28m
Frontier
Deal found 3/12$264
This Delta deal was found by Cheapflights users on 3/12. 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 5/72:48 pm
SJU
-
MKE
1 stop10h 05m
Delta
Tue 5/127:06 am
MKE
-
SJU
1 stop8h 23m
Delta
Deal found 3/12$276
This Southwest deal was found by Cheapflights users on 3/14. 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.
Thu 5/76:50 am
SJU
-
MKE
1 stop13h 20m
Southwest
Tue 5/129:15 am
MKE
-
SJU
1 stop12h 25m
Southwest
Deal found 3/14$278
This United Airlines deal was found by Cheapflights users on 3/14. 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.
Tue 4/281:00 am
SJU
-
MKE
2 stops10h 00m
United Airlines
Tue 5/59:37 am
MKE
-
SJU
2 stops10h 47m
United Airlines
Deal found 3/14$286
This Southwest deal was found by Cheapflights users on 3/14. 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.
Wed 5/65:35 am
SJU
-
MKE
1 stop10h 40m
Southwest
Mon 5/113:30 pm
MKE
-
SJU
1 stop7h 10m
Southwest
Deal found 3/14$288
This Frontier deal was found by Cheapflights users on 3/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:15 am
SJU
-
MKE
1 stop7h 37m
Frontier
Mon 4/202:47 pm
MKE
-
SJU
1 stop7h 42m
Frontier
Deal found 3/12$299
This American Airlines deal was found by Cheapflights users on 3/16. 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 8/271:35 pm
SJU
-
MKE
2 stops11h 36m
American Airlines
Mon 8/317:10 am
MKE
-
SJU
1 stop14h 46m
American Airlines
Deal found 3/16$306
This American Airlines deal was found by Cheapflights users on 3/15. 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 10/203:50 pm
SJU
-
MKE
1 stop9h 21m
American Airlines
Sat 10/316:05 am
MKE
-
SJU
1 stop17h 00m
American Airlines
Deal found 3/15$311
This American Airlines deal was found by Cheapflights users on 3/11. 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.
Tue 7/2110:33 am
SJU
-
MKE
2 stops12h 21m
American Airlines
Mon 7/276:17 pm
MKE
-
SJU
2 stops14h 26m
American Airlines
Deal found 3/11$312

Find 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 March 16, 2026.

Round-trip from

$243
(Priceline)

One-way from

$111
(Frontier)

Popular in

June

Cheapest in

January

Average price

$450
From San Juan to Milwaukee-Mitchell
One-way flight from San Juan to Milwaukee-Mitchell
Highest demand for flights based on searches. 17% potential increase in price ($77 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Average for round-trip flights in March 2026

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 March 16, 2026.
Use the filters below to find and compare flights from San Juan to Milwaukee that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

Thu 5/7

2:48 pm-11:53 pm

1 stop10h 05m

Milwaukee-Mitchell

Sun 5/10

2:55 pm-10:17 pm

1 stop6h 22m

$276
Quickest round-trip

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

Wed 5/6

2:45 pm-8:35 pm

1 stop6h 50m

Milwaukee-Mitchell

Tue 5/12

7:06 am-4:29 pm

1 stop8h 23m

$276

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

Tue 5/5

6:15 am-1:52 pm

1 stop8h 37m

Milwaukee-Mitchell

Tue 5/12

7:06 am-4:29 pm

1 stop8h 23m

$276

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

Tue 5/5

6:15 am-1:52 pm

1 stop8h 37m

Milwaukee-Mitchell

Sun 5/10

12:43 pm-10:17 pm

1 stop8h 34m

$276

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

Wed 4/15

5:34 pm-11:57 pm

1 stop7h 23m

Milwaukee-Mitchell

Wed 4/29

7:10 am-4:31 pm

1 stop8h 21m

$320

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

Mon 4/13

8:40 pm-8:40 am

1 stop13h 00m

Milwaukee-Mitchell

Mon 4/20

3:30 pm-11:40 pm

1 stop7h 10m

$339

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

Thu 4/16

1:00 am-11:32 am

2 stops11h 32m

Milwaukee-Mitchell

Mon 4/20

9:43 am-8:34 pm

1 stop9h 51m

$340
Cheapest one-way

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

Wed 4/15

1:00 am-10:00 am

2 stops10h 00m

$125

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

Wed 4/22

1:00 am-10:10 am

1 stop10h 10m

$125

San JuanMilwaukee

SJU - MKE

SJUMKE

San Juan Luis Munoz Marin Intl

Thu 5/14

6:15 am-2:31 pm

1 stop9h 16m

$128

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/13

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

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 13, 2026.

Booking 70 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, May is the cheapest month in which you can book a flight from San Juan to Milwaukee (average of $113). Flying from San Juan to Milwaukee in March is currently the most expensive (average of $154). 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.

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 March 16, 2026.
Read through reviews of airlines operating flights from San Juan to Milwaukee, such as Southwest,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

Overall

8.0

Boarding

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.5

Food

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

KOA - HNL

pretty smooth and fast service ever, that flight is very helpful each and everyone for price and also fright for free..

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 5 different airlines.

  • How long is the flight from San Juan to Milwaukee?

    For as low as $276, Delta can have you in Milwaukee from San Juan in 10h 05m. The distance between San Juan and Milwaukee is about 2120 mi.

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

    Currently priced at $112, Delta will fly you from San Juan to Milwaukee and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Spirit Airlines and United Airlines - these airlines can fly you to your destination from $140 and $215, respectively. Users have found that Delta is 70% 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 Delta. According to our data, you can fly for as low as $108. Users have also found prices from $112 and $118 on Southwest and American 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, May is the cheapest month in which you can book a flight from San Juan to Milwaukee (average of $113). Flying from San Juan to Milwaukee in March is currently the most expensive (average of $154). 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
Port Washington
New Berlin
Oak Creek
Wauwatosa

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Alternative routes for San Juan to Milwaukee

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from San Juan to Milwaukee

Discover the top 5 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 March 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$112Average$399FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$140Average$301FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$215Average$356FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$235Average$395FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$256Average$399FlexibilityNo cancel feeOn-time63%

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