$174 Cheap Flights from Milwaukee (MKE) to Santa Rosa (STS)

View $174 flight on Thu, Jan 8, 2026Opens in a new window

Popular airlines from General Mitchell Intl. Airport (MKE) to Santa Rosa, CA (STS-Sonoma County)

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Cheap Flights from Milwaukee to Santa Rosa (MKE-STS)

Prices were available within the past 7 days and start at $174 for one-way flights and $283 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Wed, Feb 25 - Tue, Mar 3
MKE
Milwaukee
STS
Santa Rosa
$283 Roundtrip, found 2 hours ago
$283
Roundtrip
found 2 hours ago
Select Hawaiian Airlines flight, departing Wed, Feb 25 from Milwaukee to Santa Rosa, returning Tue, Mar 3, priced at $283 found 2 hours ago
Hawaiian Airlines
Wed, Feb 25 - Sat, Feb 28
MKE
Milwaukee
STS
Santa Rosa
$293 Roundtrip, found 2 hours ago
$293
Roundtrip
found 2 hours ago
Select Hawaiian Airlines flight, departing Wed, Feb 25 from Milwaukee to Santa Rosa, returning Sat, Feb 28, priced at $293 found 2 hours ago
Hawaiian Airlines
Tue, Jan 6 - Thu, Jan 22
MKE
Milwaukee
STS
Santa Rosa
$298 Roundtrip, found 11 hours ago
$298
Roundtrip
found 11 hours ago
Select Hawaiian Airlines flight, departing Tue, Jan 6 from Milwaukee to Santa Rosa, returning Thu, Jan 22, priced at $298 found 11 hours ago
Alaska Airlines
Mon, Feb 23 - Tue, Mar 3
MKE
Milwaukee
STS
Santa Rosa
$312 Roundtrip, found 2 hours ago
$312
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Mon, Feb 23 from Milwaukee to Santa Rosa, returning Tue, Mar 3, priced at $312 found 2 hours ago
Alaska Airlines
Mon, Feb 23 - Sat, Feb 28
MKE
Milwaukee
STS
Santa Rosa
$322 Roundtrip, found 2 hours ago
$322
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Mon, Feb 23 from Milwaukee to Santa Rosa, returning Sat, Feb 28, priced at $322 found 2 hours ago
Hawaiian Airlines
Wed, Feb 25 - Sun, Mar 1
MKE
Milwaukee
STS
Santa Rosa
$323 Roundtrip, found 2 hours ago
$323
Roundtrip
found 2 hours ago
Select Hawaiian Airlines flight, departing Wed, Feb 25 from Milwaukee to Santa Rosa, returning Sun, Mar 1, priced at $323 found 2 hours ago
Alaska Airlines
Mon, Jan 26 - Thu, Feb 12
MKE
Milwaukee
STS
Santa Rosa
$327 Roundtrip, found 11 hours ago
$327
Roundtrip
found 11 hours ago
Select Alaska Airlines flight, departing Mon, Jan 26 from Milwaukee to Santa Rosa, returning Thu, Feb 12, priced at $327 found 11 hours ago
Hawaiian Airlines
Mon, Jan 5 - Sat, Jan 24
MKE
Milwaukee
STS
Santa Rosa
$332 Roundtrip, found 11 hours ago
$332
Roundtrip
found 11 hours ago
Select Hawaiian Airlines flight, departing Mon, Jan 5 from Milwaukee to Santa Rosa, returning Sat, Jan 24, priced at $332 found 11 hours ago
American Airlines
Wed, Jan 7 - Thu, Jan 8
MKE
Milwaukee
STS
Santa Rosa
$397 Roundtrip, just found
$397
Roundtrip
just found
Select American Airlines flight, departing Wed, Jan 7 from Milwaukee to Santa Rosa, returning Thu, Jan 8, priced at $397 just found
Southwest Airlines
Thu, Aug 27 - Mon, Aug 31
MKE
Milwaukee
STS
Santa Rosa
$479 Roundtrip, found 12 hours ago
$479
Roundtrip
found 12 hours ago
Select Southwest Airlines flight, departing Thu, Aug 27 from Milwaukee to Santa Rosa, returning Mon, Aug 31, priced at $479 found 12 hours ago

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Alternative airports near Santa Rosa

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

Select flight to Sonoma County STS. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $569
STS
Sonoma County
CheapestClosest
Average driving time to city center10 min
Flights from $569
Flights from Milwaukee (MKE) to Santa Rosa (STS)
Origin airport
General Mitchell Intl.
Destination airport
Sonoma County
Airlines serving
Alaska Airlines, American Airlines, Hawaiian Airlines, Southwest Airlines
Roundtrip price
$283
Distance
1839 mi

Milwaukee to Santa Rosa Flights

The cheapest times to fly from Milwaukee to Santa Rosa

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

 

The best time to book a flight from Milwaukee to Santa Rosa

Sunday is one of the best days to book for cheap flights from Milwaukee to Santa Rosa: 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 Santa Rosa

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 Santa Rosa in 2026. You can also book with separate airlines for your outbound and return journeys, from $174 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 Santa Rosa 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 Santa Rosa 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 General Mitchell Intl. Airport (MKE) to Sonoma County Airport (STS) cost?
Lock in a cheap one-way flight from $174 or cheap return flight from $283 from General Mitchell Intl. Airport (MKE) to Sonoma County Airport (STS) 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 Sonoma County Airport (STS)?
The cheapest month to fly from MKE to STS is February, when demand is low. Off-peak months are generally when airlines offer better prices between these airports.
What is the cheapest airline that flies from General Mitchell Intl. Airport (MKE) to Sonoma County Airport (STS)?
To find the cheapest airline that'll fly you from MKE to STS, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from General Mitchell Intl. Airport (MKE) to Sonoma County Airport (STS)?
There aren't any daily nonstop flights departing from General Mitchell Intl. Airport (MKE) to Sonoma County Airport (STS). But you can book flights with layovers. Filter your search 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 MKE to STS?
Generally you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can vary based on the airline, season and other factors.*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 Sonoma County Airport (STS)?
Book a flight from General Mitchell Intl. Airport (MKE) to Sonoma County Airport (STS) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures later than this have a 22% higher chance of being canceled, on average.**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 Sonoma County Airport (STS) last-minute?
Waiting until right before your break to book a flight from MKE to STS often results in higher prices. While you may find some last-minute deals, they aren't always guaranteed. Be flexible with your itinerary to boost your chances of snagging a bargain.
Is it cheaper to book a MKE to STS flight and hotel package?
Securing a MKE to STS flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Pick from our wide range of stays and then add activities, flights and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from General Mitchell Intl. Airport (MKE) to Sonoma County Airport (STS)?
If you reserved your MKE to STS flight within the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for further details.

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*Available to One Key members.