$139+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
STS — DEN
Aug 2 — Aug 91
1 adult, Economy
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Find cheap flights from Santa Rosa to Denver 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.Cheapflights Tip: The best prices from Santa Rosa Sonoma County to Denver Intl are usually found in February or September, booked 62 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 July 28, 2025.
Round-trip from | $270 (Hawaiian Airlines) |
|---|---|
One-way from | $139 (Hawaiian Airlines) |
Popular in | July |
Cheapest in | February |
Average price | $788 |
Find flight deals from Santa Rosa to Denver
Cheapest flights from Santa Rosa to DenverExplore 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 July 28, 2025.
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 July 28, 2025.
This Hawaiian Airlines deal was found by Cheapflights users on 7/28. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/97:00 amSTS - DEN
1 stop5h 29mHawaiian Airlines
Sat 12/137:04 pmDEN - STS
1 stop4h 42mHawaiian Airlines
Deal found 7/28![Hawaiian Airlines logo]()
$270
This Alaska Airlines deal was found by Cheapflights users on 7/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/262:33 pmSTS - DEN
1 stop6h 14mAlaska Airlines
Tue 9/29:23 pmDEN - STS
1 stop17h 13mAlaska Airlines
Deal found 7/27![Alaska Airlines logo]()
$279
This American Airlines deal was found by Cheapflights users on 7/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1912:59 pmSTS - DEN
2 stops21h 30mAmerican Airlines
Sat 8/3011:59 amDEN - STS
2 stops25h 30mAmerican Airlines
Deal found 7/27![American Airlines logo]()
$431
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 July 28, 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
Tue 12/9
7:00 am-1:29 pm
1 stop5h 29m
Denver Intl
Sat 12/13
7:04 pm-10:46 pm
1 stop4h 42m
$270
Santa RosaDenver
STS - DEN
STSDEN
Santa Rosa Sonoma County
Tue 8/26
2:33 pm-9:47 pm
1 stop6h 14m
Denver Intl
Tue 9/2
9:23 pm-1:36 pm
1 stop17h 13m
$279
Santa RosaDenver
STS - DEN
STSDEN
Santa Rosa Sonoma County
Tue 8/19
12:59 pm-11:29 am
2 stops21h 30m
Denver Intl
Sat 8/30
11:59 am-12:29 pm
2 stops25h 30m
$431
Santa RosaDenver
STS - DEN
STSDEN
Santa Rosa Sonoma County
Tue 8/26
2:33 pm-9:47 pm
1 stop6h 14m
$139
Santa RosaDenver
STS - DEN
STSDEN
Santa Rosa Sonoma County
Tue 8/26
5:55 pm-9:47 pm
2 stops26h 52m
$162
Santa RosaDenver
STS - DEN
STSDEN
Santa Rosa Sonoma County
Tue 9/2
4:17 pm-10:07 pm
1 stop4h 50m
$215
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 July 25, 2025.
Booking 62 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 July 28, 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.
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 July 28, 2025.
Read through reviews of airlines operating flights from Santa Rosa to Denver, 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.
Boarding
8.1
Crew
8.5
Entertainment
7.1
Overall
8.0
Food
7.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Boarding
8.1
Crew
8.5
Entertainment
7.1
Overall
8.0
Food
7.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Boarding
8.1
Crew
8.5
Entertainment
7.1
Overall
8.0
Food
7.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Boarding
8.1
Crew
8.5
Entertainment
7.1
Overall
8.0
Food
7.1
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
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.
Traveling to a place near Denver?
Book flights to Denver if you plan to visit one of these locationsWestminster
Black Hawk
Winter Park
Lakewood
Cripple Creek
Brighton
Silverthorne
Golden
Thornton
Greeley
Frisco
Grand Lake
Manitou Springs
Central City
Fort Morgan
Glendale
Copper Mountain
Wheat Ridge
Longmont
Broomfield
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Alternative routes for Santa Rosa to Denver
See prices for flight routes from nearby airports that may be better suited for you.
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 July 28, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$300 | Average$538 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$303 | Average$498 | FlexibilityNo cancel fee | On-time75% |