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

Popular airlines from Denver Intl. Airport (DEN) to Santa Rosa (RSA)

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Cheap Flights from Denver to Santa Rosa (DEN-RSA)

Prices were available within the past 7 days and start at for one-way flights and $1,958 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Tue, Dec 23 - Fri, Dec 26
DEN
Denver
RSA
Santa Rosa
$1,958 Roundtrip, found 6 days ago
$1,958
Roundtrip
found 6 days ago
Select United flight, departing Tue, Dec 23 from Denver to Santa Rosa, returning Fri, Dec 26, priced at $1,958 found 6 days ago
United
Mon, Dec 22 - Fri, Dec 26
DEN
Denver
RSA
Santa Rosa
$1,972 Roundtrip, found 6 days ago
$1,972
Roundtrip
found 6 days ago
Select United flight, departing Mon, Dec 22 from Denver to Santa Rosa, returning Fri, Dec 26, priced at $1,972 found 6 days ago
United
Tue, Dec 23 - Mon, Dec 29
DEN
Denver
RSA
Santa Rosa
$2,213 Roundtrip, found 6 days ago
$2,213
Roundtrip
found 6 days ago
Select United flight, departing Tue, Dec 23 from Denver to Santa Rosa, returning Mon, Dec 29, priced at $2,213 found 6 days ago
United
Mon, Dec 22 - Mon, Dec 29
DEN
Denver
RSA
Santa Rosa
$2,227 Roundtrip, found 6 days ago
$2,227
Roundtrip
found 6 days ago
Select United flight, departing Mon, Dec 22 from Denver to Santa Rosa, returning Mon, Dec 29, priced at $2,227 found 6 days ago
United
Sun, Dec 21 - Fri, Dec 26
DEN
Denver
RSA
Santa Rosa
$2,231 Roundtrip, found 6 days ago
$2,231
Roundtrip
found 6 days ago
Select United flight, departing Sun, Dec 21 from Denver to Santa Rosa, returning Fri, Dec 26, priced at $2,231 found 6 days ago

Frequently asked questions

How much does a flight from Denver Intl. Airport (DEN) to Santa Rosa Airport (RSA) cost?
Snag a cheap one-way flight or cheap return flight from $1,958 from Denver Intl. Airport (DEN) to Santa Rosa Airport (RSA) 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 Denver Intl. Airport (DEN) to Santa Rosa Airport (RSA)?
The cheapest month to fly from DEN to RSA is December, when there's less demand. Off-peak months are often when airlines offer better prices between these airports.
What is the cheapest airline that flies from Denver Intl. Airport (DEN) to Santa Rosa Airport (RSA)?
To find the cheapest airline flying from DEN to RSA, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Denver Intl. Airport (DEN) to Santa Rosa Airport (RSA)?
You'll need to catch a flight with a layover when traveling from Denver Intl. Airport (DEN) to Santa Rosa Airport (RSA). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from DEN to RSA?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary based 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 Denver Intl. Airport (DEN) to Santa Rosa Airport (RSA)?
To land at Santa Rosa Airport (RSA) on time, book a flight that takes off from Denver Intl. Airport (DEN) 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 Denver Intl. Airport (DEN) to Santa Rosa Airport (RSA) last-minute?
Booking your flight from DEN to RSA just before your journey is usually more expensive. However, if you're flexible with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a DEN to RSA flight and hotel package?
Opting for a DEN to RSA flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Choose from our wide range of stays and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Denver Intl. Airport (DEN) to Santa Rosa Airport (RSA)?
Generally, it's possible to cancel or reschedule your DEN to RSA flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more details on our Customer Service portal.

Travel information

Origin airport
Denver Intl.
Destination airport
Santa Rosa
Roundtrip price
$1,958
Distance
5871 mi

Book with confidence

Denver to Santa Rosa Flights

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

 

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

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

 

Denver to Santa Rosa Flights

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*Available to One Key members.