$85 Cheap Flights from San Juan (SJU) to Milwaukee (MKE)

View $85 flight on Thu, Jan 22, 2026Opens in a new window

Popular airlines from Luis Munoz Marin Intl. Airport (SJU) to General Mitchell Intl. Airport (MKE)

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Cheap Flights from San Juan to Milwaukee (SJU-MKE)

Prices were available within the past 7 days and start at $85 for one-way flights and $154 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Thu, Jan 22 - Sun, Jan 25
SJU
San Juan
MKE
Milwaukee
$154 Roundtrip, found 8 hours ago
$154
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Thu, Jan 22 from San Juan to Milwaukee, returning Sun, Jan 25, priced at $154 found 8 hours ago
Frontier Airlines
Thu, Jan 22 - Fri, Jan 23
SJU
San Juan
MKE
Milwaukee
$161 Roundtrip, found 2 days ago
$161
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Jan 22 from San Juan to Milwaukee, returning Fri, Jan 23, priced at $161 found 2 days ago
Frontier Airlines
Thu, Jan 29 - Sun, Feb 8
SJU
San Juan
MKE
Milwaukee
$170 Roundtrip, found 4 hours ago
$170
Roundtrip
found 4 hours ago
Select Frontier Airlines flight, departing Thu, Jan 29 from San Juan to Milwaukee, returning Sun, Feb 8, priced at $170 found 4 hours ago
Frontier Airlines
Thu, Jan 22 - Sun, Jan 25
SJU
San Juan
MKE
Milwaukee
$187 Roundtrip, found 8 hours ago
$187
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Thu, Jan 22 from San Juan to Milwaukee, returning Sun, Jan 25, priced at $187 found 8 hours ago
Frontier Airlines
Thu, Jan 15 - Tue, Feb 3
SJU
San Juan
MKE
Milwaukee
$192 Roundtrip, found 2 days ago
$192
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Thu, Jan 15 from San Juan to Milwaukee, returning Tue, Feb 3, priced at $192 found 2 days ago
Frontier Airlines
Thu, Jan 22 - Sun, Jan 25
SJU
San Juan
MKE
Milwaukee
$202 Roundtrip, found 8 hours ago
$202
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Thu, Jan 22 from San Juan to Milwaukee, returning Sun, Jan 25, priced at $202 found 8 hours ago
United
Wed, Feb 18 - Sun, Feb 22
SJU
San Juan
MKE
Milwaukee
$205 Roundtrip, found 1 day ago
$205
Roundtrip
found 1 day ago
Select United flight, departing Wed, Feb 18 from San Juan to Milwaukee, returning Sun, Feb 22, priced at $205 found 1 day ago
American Airlines
Sat, Jan 24 - Tue, Jan 27
SJU
San Juan
MKE
Milwaukee
$209 Roundtrip, found 1 hour ago
$209
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Sat, Jan 24 from San Juan to Milwaukee, returning Tue, Jan 27, priced at $209 found 1 hour ago
Spirit Airlines
Fri, Jan 23 - Sun, Jan 25
SJU
San Juan
MKE
Milwaukee
$215 Roundtrip, found 1 day ago
$215
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Fri, Jan 23 from San Juan to Milwaukee, returning Sun, Jan 25, priced at $215 found 1 day ago
Delta
Sat, Jan 24 - Tue, Jan 27
SJU
San Juan
MKE
Milwaukee
$235 Roundtrip, found 1 hour ago
$235
Roundtrip
found 1 hour ago
Select Delta flight, departing Sat, Jan 24 from San Juan to Milwaukee, returning Tue, Jan 27, priced at $235 found 1 hour ago

Find the cheapest month to fly from San Juan (SJU) to Milwaukee (MKE)

January is typically the cheapest month to fly

From $158 - $634 per traveler.

Alternative airports near Milwaukee

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to General Mitchell Intl. MKE. Cheapest and Closest option available. Average driving time to city center is 13 minutes. Flights from $745
MKE
General Mitchell Intl.
CheapestClosest
Average driving time to city center13 min
Flights from $745

Frequently asked questions

How much does a flight from Luis Munoz Marin Intl. Airport (SJU) to General Mitchell Intl. Airport (MKE) cost?
Grab a cheap one-way flight from $85 or cheap return flight from $154 from Luis Munoz Marin Intl. Airport (SJU) to General Mitchell Intl. Airport (MKE) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Luis Munoz Marin Intl. Airport (SJU) to General Mitchell Intl. Airport (MKE)?
Planning your trip for January is a great way to save, as it's the cheapest month for flights between SJU and MKE. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Luis Munoz Marin Intl. Airport (SJU) to General Mitchell Intl. Airport (MKE)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest SJU to MKE flight.
How many flights per day from Luis Munoz Marin Intl. Airport (SJU) to General Mitchell Intl. Airport (MKE)?
There aren't any daily nonstop flights from Luis Munoz Marin Intl. Airport (SJU) to General Mitchell Intl. Airport (MKE). But you can choose flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds in no time.
What day of the week has the most flights from SJU to MKE?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary based on a range of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Luis Munoz Marin Intl. Airport (SJU) to General Mitchell Intl. Airport (MKE)?
To avoid possible delays on the Luis Munoz Marin Intl. Airport (SJU) to General Mitchell Intl. Airport (MKE) route, aim to fly before 3 PM. Departures after this hour are 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Luis Munoz Marin Intl. Airport (SJU) to General Mitchell Intl. Airport (MKE) last-minute?
Last-minute bookings from SJU to MKE are generally more expensive. To secure the best prices, start looking for flights well ahead of time. That being said, if your travel plans are flexible, you may score a cheap fare right before you leave.
Is it cheaper to book a SJU to MKE flight and hotel package?
You can save money by booking a SJU to MKE flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. After selecting your preferred accommodations and flights, you can add extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from Luis Munoz Marin Intl. Airport (SJU) to General Mitchell Intl. Airport (MKE)?
If you reserved your SJU to MKE flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

Travel information

Origin airport
Luis Munoz Marin Intl.
Destination airport
General Mitchell Intl.
Airlines serving
American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$154
Distance
2121 mi

Book with confidence

San Juan to Milwaukee Flights

The cheapest times to fly from San Juan to Milwaukee

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Juan to Milwaukee are during the month of January. You can find some of the cheapest flights from San Juan to Milwaukee with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Juan to Milwaukee

Sunday is one of the best days to book for cheap flights from San Juan to Milwaukee: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Juan to Milwaukee

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Juan to Milwaukee in 2025. You can also book with separate airlines for your outbound and return journeys, from $85 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Juan to Milwaukee flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Juan to Milwaukee airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

San Juan to Milwaukee Flights

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*Available to One Key members.