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$168+ Cheap flights from Santa Rosa to Denver (STS - DEN)

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 5/31. Fares are subject to change and may not be available on all flights or dates of travel.
STS — DEN
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheapflights Tip: The best prices from Santa Rosa Sonoma County to Denver Intl are usually found in February or September, booked 40 days in advance, depart on a Thursday or Tuesday and return on a Sunday

Cheap flight deals from Santa Rosa to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Santa Rosa (STS) to Denver (DEN). 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 April 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$300
(Alaska Airlines)

One-way from

$168
(Alaska Airlines)

Popular in

August

Cheapest in

February

Average price

$546
Provider with most accurate pricing for Santa Rosa Sonoma County-Denver Intl flight deals.
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Provider most trusted by Cheapflights users for Santa Rosa Sonoma County-Denver Intl flights.
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From Santa Rosa Sonoma County to Denver Intl
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One-way flight from Santa Rosa Sonoma County to Denver Intl
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Highest demand for flights based on searches. 5% potential increase in price ($26 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Santa Rosa to Denver

Cheapest flights from Santa Rosa to Denver
Explore the most affordable flight options available from Santa Rosa to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 5/286:40 pmSTS - DEN
2 stops22h 29mAlaska Airlines
Wed 6/411:40 amDEN - STS
2 stops12h 50mAlaska Airlines
Deal found 4/28$300
This Trip.com deal was found by Cheapflights users on 4/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/127:00 amSTS - DEN
2 stops15h 08mMultiple Airlines
Thu 6/197:00 amDEN - STS
2 stops17h 44mMultiple Airlines
Deal found 4/27$329
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Wed 6/181:10 pmSTS - DEN
1 stop7h 32mAmerican Airlines
Tue 6/248:42 amDEN - STS
1 stop4h 58mAmerican Airlines
Deal found 4/28$429
This Trip.com deal was found by Cheapflights users on 4/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/911:55 amSTS - DEN
1 stop5h 16mHawaiian Airlines
Fri 8/158:32 pmDEN - STS
1 stop23h 35mHawaiian Airlines
Deal found 4/28$449

Cheapflights Fare Finder

Customize your flight search to find flights from Santa Rosa to Denver 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 April 29, 2025.
Use the filters below to find and compare flights from Santa Rosa to Denver that are best for you.

Fly from

Santa Rosa

Fly to

Denver

Route

Depart

Return

Price

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

Wed 5/28

6:40 pm-6:09 pm

2 stops22h 29m

Denver Intl

Wed 6/4

11:40 am-11:30 pm

2 stops12h 50m

$300

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

Thu 6/12

7:00 am-11:08 pm

2 stops15h 08m

Denver Intl

Thu 6/19

7:00 am-11:44 pm

2 stops17h 44m

$329

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

Wed 6/18

1:10 pm-9:42 pm

1 stop7h 32m

Denver Intl

Tue 6/24

8:42 am-12:40 pm

1 stop4h 58m

$429

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

Sat 8/9

11:55 am-6:11 pm

1 stop5h 16m

Denver Intl

Fri 8/15

8:32 pm-7:07 pm

1 stop23h 35m

$449

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

Sat 5/31

7:00 am-6:09 pm

2 stops10h 09m

$168

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

Sun 5/25

4:21 pm-10:39 pm

1 stop5h 18m

$215

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Compare providers for flights from Santa Rosa to Denver

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Santa Rosa to Denver in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Santa Rosa-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Santa Rosa-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Santa Rosa-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Santa Rosa-Denver flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Santa Rosa-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Santa Rosa to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Santa Rosa 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 Santa Rosa to Denver

How far ahead should I book a flight from Santa Rosa to Denver?

Use this chart to determine the optimal time to book a round-trip flight from Santa Rosa to Denver. Price data was last updated on April 25, 2025.

Booking 40 days in advance of your planned departure date is, on average, the best time to get cheap flights from Santa Rosa to Denver. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, October is the cheapest month in which you can book a flight from Santa Rosa to Denver (average of $197). Flying from Santa Rosa to Denver in March is currently the most expensive (average of $278). 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 STS to DEN?

Find hourly flight availability from Santa Rosa to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

One of the essential ways to save on airfare from Santa Rosa to Denver is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 29% on airfare.

Rainfall in Denver by month

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

In terms of precipitation, rainfall in Denver ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Denver when rainfall is around 0.5 in.

Temperature in Denver by month

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

If weather is an important factor for your trip to Denver, 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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. 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 Denver. Reviews last updated April 29, 2025.
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,402 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Crew

8.5

Boarding

8.2

Comfort

7.9

Food

7.1

Overall

8.0

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Santa Rosa to Denver. 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 Santa Rosa to Denver round-trip?

    Our cheapest airline available from Santa Rosa to Denver is Alaska Airlines. Our recent data shows that you can find tickets from as low as $300 on this airline. Additional options worth looking into are American Airlines and Hawaiian Airlines, starting at $429 and $449 round-trip. Users have found that Alaska Airlines is 38% cheaper than the other options available to this destination.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Santa Rosa to Denver 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 Santa Rosa to Denver?

    Currently, October is the cheapest month in which you can book a flight from Santa Rosa to Denver (average of $197). Flying from Santa Rosa to Denver in March is currently the most expensive (average of $278). 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
Westminster
Black Hawk
Winter Park
Lakewood
Cripple Creek
Silverthorne
Brighton
Golden
Greeley
Frisco
Grand Lake
Thornton
Central City
Glendale
Copper Mountain
Wheat Ridge
Longmont
Broomfield
Idaho Springs
Limon

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Top 2 airlines flying from Santa Rosa to Denver

Discover the top 2 airlines that operate flights from Santa Rosa to Denver. 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$300Average$510FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$302Average$495FlexibilityNo cancel feeOn-time75%

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