$173 Cheap Flights from San José (SJO) to Milwaukee (MKE)

View $173 flight on Thu, Aug 14, 2025Opens in a new window

Popular airlines from Juan Santamaria Intl. Airport (SJO) to General Mitchell Intl. Airport (MKE)

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Cheap Flights from San José to Milwaukee (SJO-MKE)

Prices were available within the past 7 days and start at $173 for one-way flights and $353 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Thu, Aug 14 - Mon, Aug 25
SJO
San José
MKE
Milwaukee
$353 Roundtrip, found 2 hours ago
$353
Roundtrip
found 2 hours ago
Select Spirit Airlines flight, departing Thu, Aug 14 from San José to Milwaukee, returning Mon, Aug 25, priced at $353 found 2 hours ago
Spirit Airlines
Fri, Aug 22 - Mon, Sep 1
SJO
San José
MKE
Milwaukee
$357 Roundtrip, found 12 hours ago
$357
Roundtrip
found 12 hours ago
Select Spirit Airlines flight, departing Fri, Aug 22 from San José to Milwaukee, returning Mon, Sep 1, priced at $357 found 12 hours ago
Spirit Airlines
Tue, Sep 2 - Tue, Sep 16
SJO
San José
MKE
Milwaukee
$378 Roundtrip, found 21 hours ago
$378
Roundtrip
found 21 hours ago
Select Spirit Airlines flight, departing Tue, Sep 2 from San José to Milwaukee, returning Tue, Sep 16, priced at $378 found 21 hours ago
American Airlines
Thu, Oct 30 - Mon, Nov 3
SJO
San José
MKE
Milwaukee
$384 Roundtrip, found 14 hours ago
$384
Roundtrip
found 14 hours ago
Select American Airlines flight, departing Thu, Oct 30 from San José to Milwaukee, returning Mon, Nov 3, priced at $384 found 14 hours ago
Delta
Wed, Nov 5 - Tue, Nov 18
SJO
San José
MKE
Milwaukee
$384 Roundtrip, found 1 day ago
$384
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Nov 5 from San José to Milwaukee, returning Tue, Nov 18, priced at $384 found 1 day ago
Southwest Airlines
Fri, Sep 5 - Mon, Sep 8
SJO
San José
MKE
Milwaukee
$388 Roundtrip, found 14 hours ago
$388
Roundtrip
found 14 hours ago
Select Southwest Airlines flight, departing Fri, Sep 5 from San José to Milwaukee, returning Mon, Sep 8, priced at $388 found 14 hours ago
Southwest Airlines
Thu, Oct 30 - Mon, Nov 3
SJO
San José
MKE
Milwaukee
$392 Roundtrip, found 14 hours ago
$392
Roundtrip
found 14 hours ago
Select Southwest Airlines flight, departing Thu, Oct 30 from San José to Milwaukee, returning Mon, Nov 3, priced at $392 found 14 hours ago
Delta
Thu, Oct 30 - Mon, Nov 3
SJO
San José
MKE
Milwaukee
$395 Roundtrip, found 14 hours ago
$395
Roundtrip
found 14 hours ago
Select Delta flight, departing Thu, Oct 30 from San José to Milwaukee, returning Mon, Nov 3, priced at $395 found 14 hours ago
Southwest Airlines
Fri, Sep 5 - Mon, Sep 8
SJO
San José
MKE
Milwaukee
$397 Roundtrip, found 14 hours ago
$397
Roundtrip
found 14 hours ago
Select Southwest Airlines flight, departing Fri, Sep 5 from San José to Milwaukee, returning Mon, Sep 8, priced at $397 found 14 hours ago
United
Thu, Sep 4 - Tue, Sep 9
SJO
San José
MKE
Milwaukee
$401 Roundtrip, found 5 days ago
$401
Roundtrip
found 5 days ago
Select United flight, departing Thu, Sep 4 from San José to Milwaukee, returning Tue, Sep 9, priced at $401 found 5 days ago

Find the cheapest month to fly from San José (SJO) to Milwaukee (MKE)

April is typically the cheapest month to fly

From $262 - $1,085 per traveler.

Graph displaying average flight prices per month

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 $488
MKE
General Mitchell Intl.
CheapestClosest
Average driving time to city center13 min
Flights from $488
Flights from San José (SJO) to Milwaukee (MKE)
Origin airport
Juan Santamaría Intl.
Destination airport
General Mitchell Intl.
Airlines serving
Air Canada, Alaska Airlines, American Airlines, Copa, Delta, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$352
Distance
2287 mi

San José to Milwaukee Flights

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

 

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

Sunday is one of the best days to book for cheap flights from San José 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 José 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 José to Milwaukee in 2025. You can also book with separate airlines for your outbound and return journeys, from $173 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 José 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 José 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 Juan Santamaria Intl. Airport (SJO) to General Mitchell Intl. Airport (MKE) cost?
Discover the latest flight deals from SJO to MKE by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from SJO to MKE?
The cheapest flights from SJO to MKE are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from SJO to MKE?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from SJO to MKE. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Juan Santamaria Intl. Airport (SJO) to General Mitchell Intl. Airport (MKE)?
Direct flights from Juan Santamaria Intl. Airport (SJO) to General Mitchell Intl. Airport (MKE) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from SJO to MKE?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change depending on a range of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Juan Santamaria Intl. Airport (SJO) to General Mitchell Intl. Airport (MKE)?
To avoid possible delays on the Juan Santamaria Intl. Airport (SJO) to General Mitchell Intl. Airport (MKE) route, travel before 3 PM. Departures after this time have a 22% higher chance of cancellation.**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 Juan Santamaria Intl. Airport (SJO) to General Mitchell Intl. Airport (MKE) last-minute?
Booking your ticket from SJO to MKE right before your journey is usually more expensive. But if there's some wiggle room with your schedule, you could snag a cheap last-minute fare.
Is it cheaper to book a SJO to MKE flight and hotel package?
You'll generally save money by booking a SJO to MKE flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. After selecting your preferred accommodations and flights, consider adding extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from Juan Santamaria Intl. Airport (SJO) to General Mitchell Intl. Airport (MKE)?
Typically, you can reschedule or cancel your SJO to MKE flight. However, there may be additional charges, especially if you booked more than 24 hours ago. Check your itinerary for the airline's policies and fees on flight changes, or if you need further details, visit our Customer Service portal.

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*Available to One Key members.