$326 Cheap Flights from Madison (MSN) to Santa Rosa (STS)

View $326 flight on Mon, Mar 9, 2026Opens in a new window

Popular airlines from Dane County Regional Airport (MSN) to Santa Rosa, CA (STS-Sonoma County)

Cheap Flights from Madison to Santa Rosa (MSN-STS)

Prices were available within the past 7 days and start at $326 for one-way flights and $631 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Dec 4 - Mon, Dec 8
MSN
Madison
STS
Santa Rosa
$631 Roundtrip, found 6 days ago
$631
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Dec 4 from Madison to Santa Rosa, returning Mon, Dec 8, priced at $631 found 6 days ago
American Airlines
Thu, Dec 4 - Mon, Dec 8
MSN
Madison
STS
Santa Rosa
$636 Roundtrip, found 6 days ago
$636
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Dec 4 from Madison to Santa Rosa, returning Mon, Dec 8, priced at $636 found 6 days ago
American Airlines
Mon, Nov 24 - Fri, Nov 28
MSN
Madison
STS
Santa Rosa
$646 Roundtrip, found 3 days ago
$646
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Nov 24 from Madison to Santa Rosa, returning Fri, Nov 28, priced at $646 found 3 days ago
American Airlines
Sat, Nov 22 - Wed, Nov 26
MSN
Madison
STS
Santa Rosa
$661 Roundtrip, found 3 days ago
$661
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Nov 22 from Madison to Santa Rosa, returning Wed, Nov 26, priced at $661 found 3 days ago
American Airlines
Mon, Nov 24 - Wed, Nov 26
MSN
Madison
STS
Santa Rosa
$666 Roundtrip, found 3 days ago
$666
Roundtrip
found 3 days ago
Select American Airlines flight, departing Mon, Nov 24 from Madison to Santa Rosa, returning Wed, Nov 26, priced at $666 found 3 days ago
Alaska Airlines
Tue, Nov 18 - Sat, Nov 22
MSN
Madison
STS
Santa Rosa
$671 Roundtrip, found 3 days ago
$671
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Tue, Nov 18 from Madison to Santa Rosa, returning Sat, Nov 22, priced at $671 found 3 days ago
American Airlines
Sat, Nov 22 - Fri, Nov 28
MSN
Madison
STS
Santa Rosa
$681 Roundtrip, found 3 days ago
$681
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sat, Nov 22 from Madison to Santa Rosa, returning Fri, Nov 28, priced at $681 found 3 days ago
American Airlines
Tue, Oct 7 - Sat, Oct 18
MSN
Madison
STS
Santa Rosa
$686 Roundtrip, found 5 days ago
$686
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Oct 7 from Madison to Santa Rosa, returning Sat, Oct 18, priced at $686 found 5 days ago
American Airlines
Mon, Mar 9 - Fri, Mar 13
MSN
Madison
STS
Santa Rosa
$691 Roundtrip, found 13 hours ago
$691
Roundtrip
found 13 hours ago
Select American Airlines flight, departing Mon, Mar 9 from Madison to Santa Rosa, returning Fri, Mar 13, priced at $691 found 13 hours ago
American Airlines
Thu, Nov 20 - Fri, Nov 28
MSN
Madison
STS
Santa Rosa
$701 Roundtrip, found 3 days ago
$701
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Nov 20 from Madison to Santa Rosa, returning Fri, Nov 28, priced at $701 found 3 days ago
Flights from Madison (MSN) to Santa Rosa (STS)
Origin airport
Dane County Regional
Destination airport
Sonoma County
Airlines serving
Alaska Airlines, American Airlines
Roundtrip price
$630
Distance
1766 mi

Madison to Santa Rosa Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Madison 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 Madison 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 Madison to Santa Rosa in 2025. You can also book with separate airlines for your outbound and return journeys, from $326 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 Madison 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 Madison 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 Dane County Regional Airport (MSN) to Sonoma County Airport (STS) cost?
Lock in a cheap one-way flight from $326 or cheap return flight from $631 from Dane County Regional Airport (MSN) to Sonoma County Airport (STS) 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 Dane County Regional Airport (MSN) to Sonoma County Airport (STS)?
December is the most affordable month to fly from MSN to STS. Planning your trip for the off-season is often the key to finding better deals on flights.
What is the cheapest airline that flies from Dane County Regional Airport (MSN) to Sonoma County Airport (STS)?
To find the cheapest airline flying from MSN to STS, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Dane County Regional Airport (MSN) to Sonoma County Airport (STS)?
You'll have to take a flight with a layover if you're traveling from Dane County Regional Airport (MSN) to Sonoma County Airport (STS). There are no daily direct flights on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from MSN to STS?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can vary depending on various factors, including 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 Dane County Regional Airport (MSN) to Sonoma County Airport (STS)?
Choose a flight from Dane County Regional Airport (MSN) to Sonoma County Airport (STS) that takes off before 3 PM to reduce the likelihood of delays and cancellations. Departures after this time 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 Dane County Regional Airport (MSN) to Sonoma County Airport (STS) last-minute?
Waiting until just before your departure to book a ticket from MSN to STS often results in higher prices. While you might find some last-minute offers, they aren't always guaranteed. Keep your travel plans flexible for the best chance of snagging a bargain.
Is it cheaper to book a MSN to STS flight and hotel package?
You can save money by securing a MSN to STS 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 it all in one convenient place. Once you've selected your preferred accommodations and flights, consider adding extras including activities, car rentals and tours.
Can I cancel or change the date of my flight from Dane County Regional Airport (MSN) to Sonoma County Airport (STS)?
In most cases, you can cancel or reschedule your MSN to STS flight. However, there may be additional fees, especially if your booking was made 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.