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Santa Rosa

$139+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — STS
Jul 19 — Jul 261
Sat 7/19
Sat 7/26
1 adult, Economy
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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 July 14, 2025.

Round-trip from

$278
(Hawaiian Airlines)

One-way from

$139
(Alaska Airlines)

Popular in

June

Cheapest in

March

Average price

$587
From Denver Intl to Santa Rosa Sonoma County
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One-way flight from Denver Intl to Santa Rosa Sonoma County
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Highest demand for flights based on searches. 14% potential increase in price ($84 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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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 July 14, 2025.

This Alaska Airlines deal was found by Cheapflights users on 7/14. 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.
Sat 10/183:02 pmDEN - STS
1 stop8h 04mAlaska Airlines
Tue 10/216:25 amSTS - DEN
1 stop6h 35mAlaska Airlines
Deal found 7/14$271
This Hawaiian Airlines deal was found by Cheapflights users on 7/12. 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 9/168:00 amDEN - STS
1 stop6h 36mHawaiian Airlines
Tue 9/237:00 amSTS - DEN
1 stop6h 06mHawaiian Airlines
Deal found 7/12$278

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 July 14, 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

Sat 10/18

3:02 pm-10:06 pm

1 stop8h 04m

Santa Rosa Sonoma County

Tue 10/21

6:25 am-2:00 pm

1 stop6h 35m

$271

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Tue 9/16

8:00 am-1:36 pm

1 stop6h 36m

Santa Rosa Sonoma County

Tue 9/23

7:00 am-2:06 pm

1 stop6h 06m

$278

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Sat 9/6

11:40 am-4:14 pm

1 stop5h 34m

$139

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Sat 8/9

7:10 am-12:29 pm

1 stop6h 19m

$215

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Wed 7/30

12:49 pm-7:09 pm

1 stop7h 20m

$331

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/13

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 July 14, 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.

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 July 14, 2025.
Read through reviews of airlines operating flights from Denver to Santa Rosa, such as Alaska Airlines, Hawaiian Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,571 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Overall

8.0

Crew

8.5

Entertainment

7.1

Food

7.1

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 $278. Other airlines that can offer you cheap pricing are Alaska Airlines, from $279, and American Airlines, from $683. These flights start at 42% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Denver to Santa Rosa one-way?

    The cheapest airlines for a one-way flight from Denver to Santa Rosa are Alaska Airlines ($139), American Airlines ($215), and Hawaiian Airlines ($331).

  • 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 Santa Rosa?

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

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Alternative routes for Denver to Santa Rosa

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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 July 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$296Average$541FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$307Average$477FlexibilityNo cancel feeOn-time75%

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