$154 Cheap Flights from Milwaukee (MKE) to San José (SJO)

View $154 flight on Tue, Jan 6, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $154 for one-way flights and $420 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Tue, Jan 6 - Thu, Jan 15
MKE
Milwaukee
SJO
San José
$420 Roundtrip, found 21 hours ago
$420
Roundtrip
found 21 hours ago
Select Spirit Airlines flight, departing Tue, Jan 6 from Milwaukee to San José, returning Thu, Jan 15, priced at $420 found 21 hours ago
Spirit Airlines
Thu, Feb 19 - Tue, Feb 24
MKE
Milwaukee
SJO
San José
$429 Roundtrip, found 6 hours ago
$429
Roundtrip
found 6 hours ago
Select Spirit Airlines flight, departing Thu, Feb 19 from Milwaukee to San José, returning Tue, Feb 24, priced at $429 found 6 hours ago
Spirit Airlines
Sun, Nov 16 - Tue, Nov 18
MKE
Milwaukee
SJO
San José
$433 Roundtrip, found 1 day ago
$433
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Sun, Nov 16 from Milwaukee to San José, returning Tue, Nov 18, priced at $433 found 1 day ago
Spirit Airlines
Sun, Nov 16 - Sun, Nov 23
MKE
Milwaukee
SJO
San José
$438 Roundtrip, found 1 day ago
$438
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Sun, Nov 16 from Milwaukee to San José, returning Sun, Nov 23, priced at $438 found 1 day ago
Spirit Airlines
Sun, Jan 4 - Tue, Jan 13
MKE
Milwaukee
SJO
San José
$440 Roundtrip, found 1 day ago
$440
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Sun, Jan 4 from Milwaukee to San José, returning Tue, Jan 13, priced at $440 found 1 day ago
American Airlines
Sat, Jan 24 - Thu, Feb 5
MKE
Milwaukee
SJO
San José
$441 Roundtrip, found 8 hours ago
$441
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Sat, Jan 24 from Milwaukee to San José, returning Thu, Feb 5, priced at $441 found 8 hours ago
American Airlines
Sat, Jan 24 - Thu, Feb 5
MKE
Milwaukee
SJO
San José
$447 Roundtrip, found 8 hours ago
$447
Roundtrip
found 8 hours ago
Select American Airlines flight, departing Sat, Jan 24 from Milwaukee to San José, returning Thu, Feb 5, priced at $447 found 8 hours ago
Southwest Airlines
Wed, Jan 28 - Wed, Feb 4
MKE
Milwaukee
SJO
San José
$447 Roundtrip, found 21 hours ago
$447
Roundtrip
found 21 hours ago
Select Southwest Airlines flight, departing Wed, Jan 28 from Milwaukee to San José, returning Wed, Feb 4, priced at $447 found 21 hours ago
Delta
Thu, Jan 22 - Thu, Feb 5
MKE
Milwaukee
SJO
San José
$463 Roundtrip, found 8 hours ago
$463
Roundtrip
found 8 hours ago
Select Delta flight, departing Thu, Jan 22 from Milwaukee to San José, returning Thu, Feb 5, priced at $463 found 8 hours ago
United
Thu, Jan 22 - Fri, Jan 30
MKE
Milwaukee
SJO
San José
$469 Roundtrip, found 1 day ago
$469
Roundtrip
found 1 day ago
Select United flight, departing Thu, Jan 22 from Milwaukee to San José, returning Fri, Jan 30, priced at $469 found 1 day ago

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

March is typically the cheapest month to fly

From $259 - $821 per traveler.

Alternative airports near San José

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

Select flight to Juan Santamaria Intl. SJO. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $516
SJO
Juan Santamaria Intl.
Cheapest
Average driving time to city center20 min
Flights from $516

Frequently asked questions

How much does a flight from General Mitchell Intl. Airport (MKE) to Juan Santamaria Intl. Airport (SJO) cost?
Get a cheap one-way flight from $154 or cheap return flight from $420 from General Mitchell Intl. Airport (MKE) to Juan Santamaria Intl. Airport (SJO) 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 General Mitchell Intl. Airport (MKE) to Juan Santamaria Intl. Airport (SJO)?
Planning your getaway for January is a great way to save, as it's the cheapest month for flights between MKE and SJO. You'll usually find the lowest prices during off-peak months.
What is the cheapest airline that flies from General Mitchell Intl. Airport (MKE) to Juan Santamaria Intl. Airport (SJO)?
To find the cheapest airline flying from MKE to SJO, use Expedia's filter tool. Tailor your search based on your travel needs, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from General Mitchell Intl. Airport (MKE) to Juan Santamaria Intl. Airport (SJO)?
You'll need to book a flight with a layover if you're traveling from General Mitchell Intl. Airport (MKE) to Juan Santamaria Intl. Airport (SJO). Direct flights don't operate daily on this route. However, simply filter your search to include one or two stops to find the best option for your trip.
What day of the week has the most flights from MKE to SJO?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can vary depending on a range of factors, such as the carrier 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 General Mitchell Intl. Airport (MKE) to Juan Santamaria Intl. Airport (SJO)?
To avoid possible delays on the General Mitchell Intl. Airport (MKE) to Juan Santamaria Intl. Airport (SJO) route, aim to fly before 3 PM. Departures after this hour have a 22% higher chance of being 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 General Mitchell Intl. Airport (MKE) to Juan Santamaria Intl. Airport (SJO) last-minute?
Booking your ticket from MKE to SJO shortly before your journey is usually more expensive. But if you're flexible with your itinerary, you could bag a cheap last-minute fare.
Is it cheaper to book a MKE to SJO flight and hotel package?
Compared with arranging flights and hotels separately, booking a MKE to SJO flight and hotel package with Expedia could result in significant savings. Better yet, having it all in one place takes the hassle out of planning your trip. Simply secure your flights and select from our wide range of hotels, then personalize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from General Mitchell Intl. Airport (MKE) to Juan Santamaria Intl. Airport (SJO)?
In most instances, you're able to cancel or reschedule your MKE to SJO flight. However, there may be additional fees, especially if you made your booking over 24 hours ago. Double-check your itinerary for the airline's rules and fees on flight changes, or if you need more information, go to our Customer Service portal.

Travel information

Origin airport
General Mitchell Intl.
Destination airport
Juan Santamaría Intl.
Airlines serving
Air Canada, Alaska Airlines, American Airlines, Copa, Delta, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$419
Distance
2287 mi

Book with confidence

Milwaukee to San José Flights

The cheapest times to fly from Milwaukee to San José

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

 

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

Sunday is one of the best days to book for cheap flights from Milwaukee to San José: 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 Milwaukee to San José

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 Milwaukee to San José in 2025. You can also book with separate airlines for your outbound and return journeys, from $154 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 Milwaukee to San José 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 Milwaukee to San José 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.

 

Milwaukee to San José Flights

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*Available to One Key members.