Cheap Flights from Denver (DEN) to Santa Rosa (STS)

Popular airlines from Denver International Airport (DEN) to Santa Rosa, CA (STS-Sonoma County)

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 25% on select hotels after you book a flight*
  • payments icon

    Earn twice

    Earn your airline miles on top of our rewards

Find the cheapest month to fly from Denver (DEN) to Santa Rosa (STS)

November is typically the cheapest month to fly

From £189 - £568 per traveller.

Graph displaying average flight prices per month

Flight from Denver to Santa Rosa route information
Origin airport
Denver Intl.
Destination airport
Sonoma County
Distance
1558 km

Compare flights from Denver to Santa Rosa easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Denver to Santa Rosa. Operating between them flights per day, airlines cover the route. And fly direct, getting you to Sonoma County in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Denver Intl. to Sonoma County.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Denver Intl. (DEN) to Sonoma County (STS)

The easiest way to view the best deals on flights from Denver to Santa Rosa today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Denver Intl. to Sonoma County start at just and range up to .  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Denver and Santa Rosa
  • booking your flight during , the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Denver to Santa Rosa flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Denver Intl. to Sonoma County for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from Denver Airport to Sonoma County Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price quoted for a round-trip flight between DIA airport and Sonoma County Airport was . Cheap tickets don't last long, so book yours today. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from DIA airport to Sonoma County Airport (STS)?
The majority of flights can be cancelled online, but whether or not you incur a fee depends on your airline. If you do need to cancel your break, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from DEN to STS that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Denver Airport to STS flights, you'll see a "no change fees" filter for you to select.
How many hours is the flight from DEN to Sonoma County Airport?
Lasting around 4 hours and 58 minutes, the flight between Denver Airport and STS is a great opportunity to do some last-minute trip planning. How about using the time to hone your itinerary for Windsor?
How far is the flight from Denver Airport to Sonoma County Airport?
It's around 1,550 kilometres from Denver to Windsor, so expect to be strapped into your seat for a while. Keep yourself entertained with things like a magazine or a gripping book.
Which airlines fly direct from Denver Intl. Airport (DEN) to STS?
If you want to travel straight from DIA airport to Sonoma County Airport (STS), you'll need to book a flight with at least one stop. Unfortunately, there aren't any airlines that fly directly on this route.
Are DEN to Sonoma County Airport (STS) flight tickets cheaper when they're purchased at the last minute?
It is possible to get an amazing last-minute deal from DIA airport to Sonoma County Airport (STS), but it can also be hit-or-miss. As many airlines release prices up to 12 months in advance, it's worthwhile keeping an eye on fares early and being ready to book when you see a good bargain. Expedia compares carrier prices and updates flight deals often, so you can be sure you're always getting the latest offers.

Explore a world of travel with Expedia

*Available to Expedia members.