$302 Cheap Flights from San Luis Potosi (SLP) to Milwaukee (MKE)

View $302 flight on Mon, Mar 9, 2026Opens in a new window

Popular airlines from San Luis Potosi Intl. Airport (SLP) to General Mitchell Intl. Airport (MKE)

Cheap Flights from San Luis Potosi to Milwaukee (SLP-MKE)

Prices were available within the past 7 days and start at $302 for one-way flights and $539 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Dec 20 - Mon, Jan 5
SLP
San Luis Potosi
MKE
Milwaukee
$539 Roundtrip, found 4 days ago
$539
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Dec 20 from San Luis Potosi to Milwaukee, returning Mon, Jan 5, priced at $539 found 4 days ago
American Airlines
Sat, Dec 20 - Mon, Jan 5
SLP
San Luis Potosi
MKE
Milwaukee
$551 Roundtrip, found 4 days ago
$551
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Dec 20 from San Luis Potosi to Milwaukee, returning Mon, Jan 5, priced at $551 found 4 days ago
American Airlines
Sat, Dec 20 - Mon, Jan 5
SLP
San Luis Potosi
MKE
Milwaukee
$586 Roundtrip, found 4 days ago
$586
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Dec 20 from San Luis Potosi to Milwaukee, returning Mon, Jan 5, priced at $586 found 4 days ago
American Airlines
Sat, Dec 20 - Mon, Jan 5
SLP
San Luis Potosi
MKE
Milwaukee
$599 Roundtrip, found 4 days ago
$599
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Dec 20 from San Luis Potosi to Milwaukee, returning Mon, Jan 5, priced at $599 found 4 days ago
United
Sat, Nov 1 - Sat, Nov 8
SLP
San Luis Potosi
MKE
Milwaukee
$599 Roundtrip, found 4 days ago
$599
Roundtrip
found 4 days ago
Select United flight, departing Sat, Nov 1 from San Luis Potosi to Milwaukee, returning Sat, Nov 8, priced at $599 found 4 days ago
American Airlines
Sat, Nov 1 - Sat, Nov 8
SLP
San Luis Potosi
MKE
Milwaukee
$599 Roundtrip, found 4 days ago
$599
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Nov 1 from San Luis Potosi to Milwaukee, returning Sat, Nov 8, priced at $599 found 4 days ago
United
Sat, Dec 20 - Mon, Jan 5
SLP
San Luis Potosi
MKE
Milwaukee
$602 Roundtrip, found 4 days ago
$602
Roundtrip
found 4 days ago
Select United flight, departing Sat, Dec 20 from San Luis Potosi to Milwaukee, returning Mon, Jan 5, priced at $602 found 4 days ago
American Airlines
Sat, Nov 1 - Sat, Nov 8
SLP
San Luis Potosi
MKE
Milwaukee
$604 Roundtrip, found 4 days ago
$604
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sat, Nov 1 from San Luis Potosi to Milwaukee, returning Sat, Nov 8, priced at $604 found 4 days ago
Delta
Sat, Nov 1 - Sat, Nov 8
SLP
San Luis Potosi
MKE
Milwaukee
$824 Roundtrip, found 4 days ago
$824
Roundtrip
found 4 days ago
Select Delta flight, departing Sat, Nov 1 from San Luis Potosi to Milwaukee, returning Sat, Nov 8, priced at $824 found 4 days ago
Aeromexico
Sat, Nov 1 - Sat, Nov 8
SLP
San Luis Potosi
MKE
Milwaukee
$840 Roundtrip, found 4 days ago
$840
Roundtrip
found 4 days ago
Select Aeromexico flight, departing Sat, Nov 1 from San Luis Potosi to Milwaukee, returning Sat, Nov 8, priced at $840 found 4 days ago

Find the cheapest month to fly from San Luis Potosi (SLP) to Milwaukee (MKE)

May is typically the cheapest month to fly

From $410 - $841 per traveler.
Flights from San Luis Potosi (SLP) to Milwaukee (MKE)
Origin airport
Ponciano Arriaga Intl.
Destination airport
General Mitchell Intl.
Roundtrip price
$539
Distance
1613 mi

San Luis Potosi to Milwaukee Flights

The cheapest times to fly from San Luis Potosi 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 Luis Potosi to Milwaukee are during the month of December. You can find some of the cheapest flights from San Luis Potosi to Milwaukee with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Luis Potosi to Milwaukee

Sunday is one of the best days to book for cheap flights from San Luis Potosi 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 Luis Potosi 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 Luis Potosi to Milwaukee in 2025. You can also book with separate airlines for your outbound and return journeys, from $302 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 Luis Potosi 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 Luis Potosi 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.

 

Frequently asked questions

How much does a flight from Ponciano Arriaga Intl. Airport (SLP) to General Mitchell Intl. Airport (MKE) cost?
Get a cheap one-way flight from $302 or cheap return flight from $539 from Ponciano Arriaga Intl. Airport (SLP) to General Mitchell Intl. Airport (MKE) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Ponciano Arriaga Intl. Airport (SLP) to General Mitchell Intl. Airport (MKE)?
December is the cheapest month to fly from SLP to MKE. Avoiding peak travel times is often the key to finding a great deal.
What is the cheapest airline that flies from Ponciano Arriaga Intl. Airport (SLP) to General Mitchell Intl. Airport (MKE)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest SLP to MKE flight.
How many flights per day from Ponciano Arriaga Intl. Airport (SLP) to General Mitchell Intl. Airport (MKE)?
Nonstop flights from Ponciano Arriaga Intl. Airport (SLP) to General Mitchell Intl. Airport (MKE) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SLP to MKE?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary based on a number of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ponciano Arriaga Intl. Airport (SLP) to General Mitchell Intl. Airport (MKE)?
To arrive at General Mitchell Intl. Airport (MKE) on schedule, opt for a flight that takes off from Ponciano Arriaga Intl. Airport (SLP) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Ponciano Arriaga Intl. Airport (SLP) to General Mitchell Intl. Airport (MKE) last-minute?
Last-minute fares from SLP to MKE are usually more expensive. For the cheapest rates, start searching for flights 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 SLP to MKE flight and hotel package?
Opting for a SLP to MKE flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Choose from our wide range of hotels and then add car rentals, activities and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Ponciano Arriaga Intl. Airport (SLP) to General Mitchell Intl. Airport (MKE)?
You can usually cancel or reschedule your SLP to MKE flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.