$80+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
STS — DEN
Sep 7 — Sep 141
Round-trip
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 March or November, booked 50 days in advance, depart on a Wednesday or Tuesday and return on a Wednesday
Cheap flight deals from Santa Rosa to Denver
Cheapest
Best
Last-minute
One-way
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 August 8, 2026.
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 August 8, 2026.
This Southwest deal was found by Cheapflights users on 8/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:55 am -
1 stop5h 05m
Mon 8/3110:35 am -
Nonstop2h 40m
Deal found 8/3![Southwest logo]()
$159
This Southwest deal was found by Cheapflights users on 8/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2810:55 am -
1 stop5h 05m
Mon 8/319:15 am -
1 stop6h 05m
Deal found 8/3![Southwest logo]()
$168
This Southwest deal was found by Cheapflights users on 8/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/151:40 pm -
2 stops6h 45m
Sat 9/1912:35 pm -
2 stops8h 20m
Deal found 8/3![Southwest logo]()
$169
This Southwest deal was found by Cheapflights users on 8/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:00 am -
2 stops8h 10m
Sun 9/68:55 am -
Nonstop2h 35m
Deal found 8/3![Southwest logo]()
$173
This American Airlines deal was found by Cheapflights users on 8/3. 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.
Fri 9/184:21 pm -
1 stop4h 42m
Sun 9/207:15 am -
1 stop6h 23m
Deal found 8/3![American Airlines logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 8/3. 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 9/227:03 am -
1 stop8h 40m
Wed 9/2311:50 am -
1 stop5h 26m
Deal found 8/3![Alaska Airlines logo]()
$187
This Delta deal was found by Cheapflights users on 8/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/194:50 pm -
1 stop4h 50m
Fri 10/2310:45 am -
1 stop6h 20m
Deal found 8/3![Delta logo]()
$197
This Delta deal was found by Cheapflights users on 8/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/144:50 pm -
1 stop4h 50m
Fri 10/1610:45 am -
1 stop6h 20m
Deal found 8/3![Delta logo]()
$228
Best flights from Santa Rosa to DenverDiscover carefully curated flight deals from Santa Rosa to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 8, 2026.
Discover carefully curated flight deals from Santa Rosa to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 8, 2026.
This Southwest deal was found by Cheapflights users on 8/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/282:55 pm -
2 stops7h 05m
Mon 8/319:15 am -
1 stop6h 05m
Deal found 8/3![Southwest logo]()
$173
This Alaska Airlines deal was found by Cheapflights users on 8/4. 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 9/2210:34 am -
1 stop9h 39m
Wed 9/236:17 am -
1 stop18h 37m
Deal found 8/4![Alaska Airlines logo]()
$303
This Delta deal was found by Cheapflights users on 8/7. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/311:29 am -
1 stop7h 07m
Tue 12/1510:45 am -
1 stop6h 21m
Deal found 8/7![Delta logo]()
$335
This Alaska Airlines deal was found by Cheapflights users on 8/4. 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 10/278:07 am -
1 stop5h 25m
Tue 10/276:59 pm -
1 stop16h 00m
Deal found 8/4![Alaska Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 8/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/222:00 pm -
2 stops7h 45m
Mon 8/2410:35 am -
Nonstop2h 40m
Deal found 8/3![Southwest logo]()
$329
This Alaska Airlines deal was found by Cheapflights users on 8/5. 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.
Sun 9/136:13 am -
1 stop5h 07m
Wed 9/161:43 pm -
1 stop11h 11m
Deal found 8/5![Alaska Airlines logo]()
$333
This Southwest deal was found by Cheapflights users on 8/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/214:40 pm -
1 stop5h 30m
Mon 8/246:40 am -
2 stops10h 25m
Deal found 8/3![Southwest logo]()
$335
This Southwest deal was found by Cheapflights users on 8/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/282:55 pm -
2 stops7h 10m
Sat 10/36:40 am -
1 stop7h 45m
Deal found 8/7![Southwest logo]()
$340
This Alaska Airlines deal was found by Cheapflights users on 8/6. 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.
Fri 8/282:52 pm -
1 stop5h 54m
Tue 9/13:00 pm -
1 stop7h 59m
Deal found 8/6![Alaska Airlines logo]()
$354
This Southwest deal was found by Cheapflights users on 8/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1011:10 am -
1 stop6h 35m
Tue 10/131:15 pm -
2 stops9h 25m
Deal found 8/4![Southwest logo]()
$340
This Southwest deal was found by Cheapflights users on 8/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/102:55 pm -
2 stops7h 45m
Mon 9/146:40 am -
2 stops10h 25m
Deal found 8/8![Southwest logo]()
$351
This Southwest deal was found by Cheapflights users on 8/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/166:45 am -
2 stops8h 40m
Fri 1/84:30 pm -
1 stop5h 50m
Deal found 8/3![Southwest logo]()
$359
Last-minute flights from Santa Rosa to DenverDiscover last-minute flight deals from Santa Rosa to Denver. Data last updated August 8, 2026 and is based on user searches.
Discover last-minute flight deals from Santa Rosa to Denver. Data last updated August 8, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 8/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:55 am -
1 stop5h 05m
Mon 8/319:15 am -
1 stop6h 05m
Deal found 8/3![Southwest logo]()
$159
This Southwest deal was found by Cheapflights users on 8/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2810:55 am -
1 stop5h 05m
Mon 8/319:15 am -
1 stop6h 05m
Deal found 8/3![Southwest logo]()
$168
This Southwest deal was found by Cheapflights users on 8/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/296:00 am -
2 stops8h 10m
Sun 9/68:55 am -
Nonstop2h 35m
Deal found 8/3![Southwest logo]()
$173
This Alaska Airlines deal was found by Cheapflights users on 8/3. 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 9/210:34 am -
1 stop7h 52m
Tue 9/86:17 am -
1 stop18h 37m
Deal found 8/3![Alaska Airlines logo]()
$235
This Southwest deal was found by Cheapflights users on 8/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/151:40 pm -
2 stops6h 45m
Sat 9/1912:35 pm -
2 stops8h 20m
Deal found 8/3![Southwest logo]()
$169
This American Airlines deal was found by Cheapflights users on 8/3. 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.
Fri 9/184:21 pm -
1 stop4h 42m
Sun 9/207:15 am -
1 stop6h 23m
Deal found 8/3![American Airlines logo]()
$177
This Alaska Airlines deal was found by Cheapflights users on 8/3. 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 9/227:03 am -
1 stop8h 40m
Wed 9/2311:50 am -
1 stop5h 26m
Deal found 8/3![Alaska Airlines logo]()
$187
One-way flights from Santa Rosa to DenverSearch for one-way flight options from Santa Rosa to Denver. Find affordable one-way fares based on user searches. Data last updated August 8, 2026.
Search for one-way flight options from Santa Rosa to Denver. Find affordable one-way fares based on user searches. Data last updated August 8, 2026.
This American Airlines deal was found by Cheapflights users on 8/3. 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 8/2512:58 pm -
1 stop7h 44m
Deal found 8/3![American Airlines logo]()
$80
This Southwest deal was found by Cheapflights users on 8/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:00 am -
2 stops8h 10m
Deal found 8/3![Southwest logo]()
$85
This Southwest deal was found by Cheapflights users on 8/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/24:50 pm -
1 stop6h 50m
Deal found 8/3![Southwest logo]()
$89
This Alaska Airlines deal was found by Cheapflights users on 8/3. 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 11/46:40 am -
1 stop5h 19m
Deal found 8/3![Alaska Airlines logo]()
$94
This Delta deal was found by Cheapflights users on 8/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3111:21 am -
1 stop7h 13m
Deal found 8/3![Delta logo]()
$99
This Alaska Airlines deal was found by Cheapflights users on 8/3. 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.
Fri 10/308:07 am -
1 stop5h 25m
Deal found 8/3![Alaska Airlines logo]()
$104
This Alaska Airlines deal was found by Cheapflights users on 8/3. 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 9/110:34 am -
1 stop7h 52m
Deal found 8/3![Alaska Airlines logo]()
$120
This WAYA deal was found by Cheapflights users on 8/3. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/291:52 pm -
1 stop6h 49m
Deal found 8/3![Multiple Airlines logo]()
$132
This Alaska Airlines deal was found by Cheapflights users on 8/3. 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 9/56:13 am -
1 stop12h 13m
Deal found 8/3![Alaska Airlines logo]()
$147
This Southwest deal was found by Cheapflights users on 8/6. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/512:45 pm -
Nonstop2h 30m
Deal found 8/6![Southwest logo]()
$150
This Alaska Airlines deal was found by Cheapflights users on 8/6. 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 11/36:40 am -
1 stop5h 19m
Deal found 8/6![Alaska Airlines logo]()
$152
This Alaska Airlines deal was found by Cheapflights users on 8/3. 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.
Mon 8/316:13 am -
1 stop5h 07m
Deal found 8/3![Alaska Airlines logo]()
$154
Find 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 August 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $159 (Southwest) |
One-way from | $80 (American Airlines) |
Popular in | December |
Cheapest in | March |
Average price | $402 |
Good round-trip deal | $319 or less |
Good one-way deal | $235 or less |
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 August 8, 2026.
Use the filters below to find and compare flights from Santa Rosa to Denver that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Santa RosaDenver
STS Santa Rosa Sonoma County - DEN Denver Intl
STSDEN
Santa Rosa Sonoma County
Fri 8/28
2:55 pm-11:00 pm
2 stops7h 05m
Denver Intl
Mon 8/31
9:15 am-2:20 pm
1 stop6h 05m
$173
Santa RosaDenver
STS Santa Rosa Sonoma County - DEN Denver Intl
STSDEN
Santa Rosa Sonoma County
Tue 9/22
10:34 am-9:13 pm
1 stop9h 39m
Denver Intl
Wed 9/23
6:17 am-11:54 pm
1 stop18h 37m
$303
Santa RosaDenver
STS Santa Rosa Sonoma County - DEN Denver Intl
STSDEN
Santa Rosa Sonoma County
Tue 10/27
8:07 am-2:32 pm
1 stop5h 25m
Denver Intl
Tue 10/27
6:59 pm-9:59 am
1 stop16h 00m
$319
Quickest round-trip
Santa RosaDenver
STS Santa Rosa Sonoma County - DEN Denver Intl
STSDEN
Santa Rosa Sonoma County
Sat 8/22
2:00 pm-10:45 pm
2 stops7h 45m
Denver Intl
Mon 8/24
10:35 am-12:15 pm
Nonstop2h 40m
$329
Santa RosaDenver
STS Santa Rosa Sonoma County - DEN Denver Intl
STSDEN
Santa Rosa Sonoma County
Sun 9/13
6:13 am-12:20 pm
1 stop5h 07m
Denver Intl
Wed 9/16
1:43 pm-11:54 pm
1 stop11h 11m
$333
Santa RosaDenver
STS Santa Rosa Sonoma County - DEN Denver Intl
STSDEN
Santa Rosa Sonoma County
Thu 12/3
11:29 am-7:36 pm
1 stop7h 07m
Denver Intl
Tue 12/15
10:45 am-4:06 pm
1 stop6h 21m
$335
Santa RosaDenver
STS Santa Rosa Sonoma County - DEN Denver Intl
STSDEN
Santa Rosa Sonoma County
Fri 8/21
4:40 pm-11:10 pm
1 stop5h 30m
Denver Intl
Mon 8/24
6:40 am-4:05 pm
2 stops10h 25m
$335
Santa RosaDenver
STS Santa Rosa Sonoma County - DEN Denver Intl
STSDEN
Santa Rosa Sonoma County
Mon 9/28
2:55 pm-11:05 pm
2 stops7h 10m
Denver Intl
Sat 10/3
6:40 am-1:25 pm
1 stop7h 45m
$340
Santa RosaDenver
STS Santa Rosa Sonoma County - DEN Denver Intl
STSDEN
Santa Rosa Sonoma County
Sat 10/10
11:10 am-6:45 pm
1 stop6h 35m
Denver Intl
Tue 10/13
1:15 pm-9:40 pm
2 stops9h 25m
$340
Santa RosaDenver
STS Santa Rosa Sonoma County - DEN Denver Intl
STSDEN
Santa Rosa Sonoma County
Thu 9/10
2:55 pm-11:40 pm
2 stops7h 45m
Denver Intl
Mon 9/14
6:40 am-4:05 pm
2 stops10h 25m
$351
Showing 1-10 of 23 resultsSorted by cheapest first
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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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 FlightHub the most. FlightHub 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.
STS-DEN
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?
Booking 49 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, March is the cheapest month in which you can book a flight from Santa Rosa to Denver (average of $249). Flying from Santa Rosa to Denver in December is currently the most expensive (average of $575). 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 August 8, 2026.
When flying from Santa Rosa to Denver, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
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 August 8, 2026.
Read through reviews of airlines operating flights from Santa Rosa to Denver, such as Southwest,Alaska Airlines, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
Entertainment
7.5
Food
7.0
Overall
8.0
Comfort
8.0
Boarding
8.1
Crew
8.6
Reviews
1 / 20
2.0
MediocreThomas,Dec 2025
SEA - DEN
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?
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Englewood
Glendale
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Alternative routes for Santa Rosa to Denver
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Explore flights to Denver departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 8, 2026.
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Santa Rosa and Denver flights
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Top 4 airlines flying from Santa Rosa to Denver
Discover the top 4 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 August 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$67 | Average$237 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$196 | Average$363 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$249 | Average$385 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$275 | Average$411 | FlexibilityNo cancel fee | On-time63% |