$268 Cheap Flights from Des Moines (DSM) to Santa Rosa (STS)

View $268 flight on Fri, Jul 10, 2026Opens in a new window

Popular airlines from Des Moines International Airport (DSM) to Santa Rosa, CA (STS-Sonoma County)

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Cheap Flights from Des Moines to Santa Rosa (DSM-STS)

Prices were available within the past 7 days and start at $268 for one-way flights and $519 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Dec 19 - Fri, Dec 26
DSM
Des Moines
STS
Santa Rosa
$519 Roundtrip, found 6 days ago
$519
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Dec 19 from Des Moines to Santa Rosa, returning Fri, Dec 26, priced at $519 found 6 days ago
American Airlines
Fri, Dec 19 - Fri, Dec 26
DSM
Des Moines
STS
Santa Rosa
$549 Roundtrip, found 4 days ago
$549
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Dec 19 from Des Moines to Santa Rosa, returning Fri, Dec 26, priced at $549 found 4 days ago
American Airlines
Fri, Dec 19 - Fri, Dec 26
DSM
Des Moines
STS
Santa Rosa
$559 Roundtrip, found 3 days ago
$559
Roundtrip
found 3 days ago
Select American Airlines flight, departing Fri, Dec 19 from Des Moines to Santa Rosa, returning Fri, Dec 26, priced at $559 found 3 days ago
American Airlines
Fri, Dec 19 - Fri, Dec 26
DSM
Des Moines
STS
Santa Rosa
$574 Roundtrip, found 2 days ago
$574
Roundtrip
found 2 days ago
Select American Airlines flight, departing Fri, Dec 19 from Des Moines to Santa Rosa, returning Fri, Dec 26, priced at $574 found 2 days ago
Alaska Airlines
Fri, Dec 5 - Thu, Dec 11
DSM
Des Moines
STS
Santa Rosa
$579 Roundtrip, found 4 days ago
$579
Roundtrip
found 4 days ago
Select Alaska Airlines flight, departing Fri, Dec 5 from Des Moines to Santa Rosa, returning Thu, Dec 11, priced at $579 found 4 days ago
American Airlines
Fri, Dec 19 - Fri, Dec 26
DSM
Des Moines
STS
Santa Rosa
$609 Roundtrip, found 6 days ago
$609
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, Dec 19 from Des Moines to Santa Rosa, returning Fri, Dec 26, priced at $609 found 6 days ago
Alaska Airlines
Wed, Feb 11 - Wed, Feb 18
DSM
Des Moines
STS
Santa Rosa
$619 Roundtrip, found 3 days ago
$619
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Wed, Feb 11 from Des Moines to Santa Rosa, returning Wed, Feb 18, priced at $619 found 3 days ago
American Airlines
Thu, Dec 4 - Mon, Dec 8
DSM
Des Moines
STS
Santa Rosa
$629 Roundtrip, found 5 days ago
$629
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Dec 4 from Des Moines to Santa Rosa, returning Mon, Dec 8, priced at $629 found 5 days ago
American Airlines
Fri, Dec 19 - Fri, Dec 26
DSM
Des Moines
STS
Santa Rosa
$639 Roundtrip, found 4 days ago
$639
Roundtrip
found 4 days ago
Select American Airlines flight, departing Fri, Dec 19 from Des Moines to Santa Rosa, returning Fri, Dec 26, priced at $639 found 4 days ago
American Airlines
Fri, Dec 19 - Fri, Dec 26
DSM
Des Moines
STS
Santa Rosa
$644 Roundtrip, found 1 day ago
$644
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Dec 19 from Des Moines to Santa Rosa, returning Fri, Dec 26, priced at $644 found 1 day ago

Frequently asked questions

How much does a flight from Des Moines Intl. Airport (DSM) to Sonoma County Airport (STS) cost?
Get a cheap one-way flight from $268 or cheap return flight from $519 from Des Moines Intl. Airport (DSM) 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 Des Moines Intl. Airport (DSM) to Sonoma County Airport (STS)?
December is the most affordable month to fly from DSM to STS. Planning your trip for the off-season is often the key to scoring lower fares.
What is the cheapest airline that flies from Des Moines Intl. Airport (DSM) to Sonoma County Airport (STS)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find the carrier with the cheapest DSM to STS flight.
How many flights per day from Des Moines Intl. Airport (DSM) to Sonoma County Airport (STS)?
There aren't any daily nonstop flights departing from Des Moines Intl. Airport (DSM) to Sonoma County Airport (STS). But you can book flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from DSM to STS?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Des Moines Intl. Airport (DSM) to Sonoma County Airport (STS)?
To touch down at Sonoma County Airport (STS) on schedule, opt for a flight that takes off from Des Moines Intl. Airport (DSM) before 3 PM. The likelihood 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 Des Moines Intl. Airport (DSM) to Sonoma County Airport (STS) last-minute?
Booking your flight from DSM to STS right before your journey is typically more expensive. But if there's some wiggle room with your schedule, you could bag a cheap last-minute fare.
Is it cheaper to book a DSM to STS flight and hotel package?
Compared with arranging flights and hotels separately, booking a DSM to STS flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one place takes the hassle out of travel planning. Just secure your flights and select from our wide range of hotels, then personalize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Des Moines Intl. Airport (DSM) to Sonoma County Airport (STS)?
It's usually possible to reschedule or cancel your DSM to STS flight. However, for bookings made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Des Moines Intl.
Destination airport
Sonoma County
Airlines serving
American Airlines
Roundtrip price
$518
Distance
1549 mi

Book with confidence

Des Moines to Santa Rosa Flights

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

 

The best time to book a flight from Des Moines to Santa Rosa

Sunday is one of the best days to book for cheap flights from Des Moines 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 Des Moines 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 Des Moines to Santa Rosa in 2025. You can also book with separate airlines for your outbound and return journeys, from $268 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 Des Moines 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 Des Moines 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.

 

Des Moines to Santa Rosa Flights

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