Santa Rosa

$115+ Cheap flights from Denver to Santa Rosa (DEN - STS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — STS
Jun 17 — Jun 241
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Denver to Santa Rosa with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Denver to Santa Rosa

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Santa Rosa (STS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$323
(Alaska Airlines)

One-way from

$155
(Alaska Airlines)

Popular in

June

Cheapest in

March

Average price

$688
From Denver Intl to Santa Rosa Sonoma County
One-way flight from Denver Intl to Santa Rosa Sonoma County
Highest demand for flights based on searches. 14% potential increase in price ($82 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Average for round-trip flights in June 2025

Find flight deals from Denver to Santa Rosa

Cheapest flights from Denver to Santa Rosa
Explore the most affordable flight options available from Denver to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1711:40 amDEN - STS
1 stop5h 34mAlaska Airlines
Wed 9/247:00 amSTS - DEN
1 stop12h 27mAlaska Airlines
Deal found 6/11$322
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/56:00 amDEN - STS
1 stop8h 25mHawaiian Airlines
Tue 8/1211:55 amSTS - DEN
1 stop5h 15mHawaiian Airlines
Deal found 6/10$369
This American Airlines deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/268:42 amDEN - STS
1 stop4h 58mAmerican Airlines
Mon 6/304:17 pmSTS - DEN
1 stop4h 25mAmerican Airlines
Deal found 6/11$679

Cheapflights Fare Finder

Customize your flight search to find flights from Denver to Santa Rosa that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Denver to Santa Rosa that are best for you.

Fly from

Denver

Fly to

Santa Rosa

Route

Depart

Return

Price

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Wed 9/17

11:40 am-4:14 pm

1 stop5h 34m

Santa Rosa Sonoma County

Wed 9/24

7:00 am-8:27 pm

1 stop12h 27m

$322

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Tue 8/5

6:00 am-1:25 pm

1 stop8h 25m

Santa Rosa Sonoma County

Tue 8/12

11:55 am-6:10 pm

1 stop5h 15m

$369

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Thu 6/26

8:42 am-12:40 pm

1 stop4h 58m

Santa Rosa Sonoma County

Mon 6/30

4:17 pm-9:42 pm

1 stop4h 25m

$679

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Wed 11/5

7:04 pm-11:56 pm

1 stop5h 52m

$115

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Sat 11/1

12:49 pm-6:55 pm

2 stops7h 06m

$152

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Tue 7/1

12:14 pm-3:46 pm

1 stop4h 32m

$215

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Fri 7/4

4:20 pm-11:06 am

3 stops19h 46m

$636

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Best time to book a flight from Denver to Santa Rosa

Have a flexible travel schedule? Discover the best time to fly to Santa Rosa from Denver with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Denver to Santa Rosa

What is the cheapest month to book a flight from Denver to Santa Rosa?

Currently, February is the cheapest month in which you can book a flight from Denver to Santa Rosa (average of $202). Flying from Denver to Santa Rosa in June is currently the most expensive (average of $395). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DEN to STS?

Find hourly flight availability from Denver to Santa Rosa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

When flying from Denver to Santa Rosa, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 15% versus a flight in the morning.

Rainfall in Santa Rosa by month

Plan your trip to Santa Rosa by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Santa Rosa ranges from 0.0 - 7.1 inches per month. January is typically the wettest month, when rainfall can reach 7.1 in. July is typically the driest time to visit Santa Rosa when rainfall is around 0.0 in.

Temperature in Santa Rosa by month

Plan your trip to Santa Rosa by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Santa Rosa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

Reviews of airlines servicing Santa Rosa

Get insights into the airlines that provide service to Santa Rosa. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Santa Rosa. Reviews last updated June 12, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Hawaiian Airlines and American Airlines from Denver to Santa Rosa by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Food

7.1

Entertainment

7.1

Boarding

8.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Denver to Santa Rosa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines flying from Denver to Santa Rosa round-trip?

    Cheapflights users have booked flights from Denver to Santa Rosa round-trip from $323. Other airlines that can offer you cheap pricing are Hawaiian Airlines, from $369, and American Airlines, from $679. These flights start at 33% lower than the current average price 3 months from now.

  • Can I find deals for flights from Denver to Santa Rosa that include hotel bookings?

    Yes. In addition to deals on Denver to Santa Rosa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Denver to Santa Rosa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Santa Rosa.

  • Can I find deals for business class flights from Denver to Santa Rosa?

    Yes. Cheapflights offers flight deals from Denver to Santa Rosa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Denver to Santa Rosa?

    Currently, February is the cheapest month in which you can book a flight from Denver to Santa Rosa (average of $202). Flying from Denver to Santa Rosa in June is currently the most expensive (average of $395). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Fort Bragg
Ukiah

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Denver to Santa Rosa

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Denver to Santa Rosa

Discover the top 2 airlines that operate flights from Denver to Santa Rosa. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$307Average$503FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$310Average$541FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.