$151+ 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 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
STS — DEN
Jun 6 — Jun 131
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
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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 Monday or Tuesday and return on a Monday
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 May 7, 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 May 7, 2026.
This WAYA deal was found by Cheapflights users on 5/4. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:21 pm
STS
- DEN
1 stop6h 17m
Multiple Airlines
Wed 6/312:34 pm
DEN
- STS
1 stop6h 45m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$300
This Alaska Airlines deal was found by Cheapflights users on 5/4. 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 6/210:51 am
STS
- DEN
1 stop7h 20m
Alaska Airlines
Wed 6/35:58 pm
DEN
- STS
1 stop6h 32m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$313
This Southwest deal was found by Cheapflights users on 5/4. 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.
Wed 6/36:00 am
STS
- DEN
1 stop6h 00m
Southwest
Wed 6/105:30 pm
DEN
- STS
2 stops6h 15m
Southwest
Deal found 5/4![Southwest logo]()
$318
This WAYA deal was found by Cheapflights users on 5/4. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:21 pm
STS
- DEN
1 stop6h 17m
Multiple Airlines
Thu 6/412:34 pm
DEN
- STS
1 stop6h 45m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 5/3. 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 5/274:35 pm
STS
- DEN
1 stop5h 45m
Southwest
Sat 5/308:45 am
DEN
- STS
Nonstop2h 35m
Southwest
Deal found 5/3![Southwest logo]()
$320
This American Airlines deal was found by Cheapflights users on 5/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/264:20 pm
STS
- DEN
1 stop7h 33m
American Airlines
Sat 6/278:08 am
DEN
- STS
1 stop5h 31m
American Airlines
Deal found 5/6![American Airlines logo]()
$321
This Southwest deal was found by Cheapflights users on 5/3. 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 9/166:00 am
STS
- DEN
2 stops8h 10m
Southwest
Tue 9/221:15 pm
DEN
- STS
2 stops9h 10m
Southwest
Deal found 5/3![Southwest logo]()
$323
This Southwest deal was found by Cheapflights users on 5/6. 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 5/301:00 pm
STS
- DEN
Nonstop2h 35m
Southwest
Sat 6/67:55 am
DEN
- STS
Nonstop2h 40m
Southwest
Deal found 5/6![Southwest logo]()
$327
This Southwest deal was found by Cheapflights users on 5/4. 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.
Thu 5/284:40 pm
STS
- DEN
1 stop4h 40m
Southwest
Tue 6/25:15 pm
DEN
- STS
1 stop5h 55m
Southwest
Deal found 5/4![Southwest logo]()
$330
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 May 7, 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 May 7, 2026.
This Alaska Airlines deal was found by Cheapflights users on 5/4. 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 5/197:40 pm
STS
- DEN
1 stop16h 59m
Alaska Airlines
Tue 5/267:51 pm
DEN
- STS
1 stop16h 34m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$360
This Southwest deal was found by Cheapflights users on 5/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/301:40 pm
STS
- DEN
1 stop7h 10m
Southwest
Sun 10/411:00 am
DEN
- STS
Nonstop2h 35m
Southwest
Deal found 5/5![Southwest logo]()
$366
This Alaska Airlines deal was found by Cheapflights users on 5/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/307:06 am
STS
- DEN
1 stop11h 05m
Alaska Airlines
Thu 6/46:40 am
DEN
- STS
2 stops12h 39m
Alaska Airlines
Deal found 5/7![Alaska Airlines logo]()
$363
This Southwest deal was found by Cheapflights users on 5/4. 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.
Tue 5/196:00 am
STS
- DEN
2 stops6h 40m
Southwest
Tue 5/264:25 pm
DEN
- STS
2 stops6h 45m
Southwest
Deal found 5/4![Southwest logo]()
$387
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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.
Thu 6/47:40 pm
STS
- DEN
1 stop27h 09m
Alaska Airlines
Sun 6/76:40 am
DEN
- STS
1 stop18h 10m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$382
This Southwest deal was found by Cheapflights users on 5/2. 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 5/214:40 pm
STS
- DEN
1 stop4h 40m
Southwest
Mon 5/256:40 am
DEN
- STS
2 stops8h 10m
Southwest
Deal found 5/2![Southwest logo]()
$397
This Southwest deal was found by Cheapflights users on 5/3. 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 9/246:05 am
STS
- DEN
1 stop6h 25m
Southwest
Sat 9/269:20 am
DEN
- STS
Nonstop2h 40m
Southwest
Deal found 5/3![Southwest logo]()
$398
This Alaska Airlines deal was found by Cheapflights users on 5/5. 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.
Sat 6/131:06 pm
STS
- DEN
2 stops9h 24m
Alaska Airlines
Tue 6/1611:32 am
DEN
- STS
1 stop7h 51m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$400
This Alaska Airlines deal was found by Cheapflights users on 5/5. 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.
Tue 6/165:56 pm
STS
- DEN
1 stop15h 37m
Alaska Airlines
Tue 6/236:00 am
DEN
- STS
1 stop5h 24m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$405
This Southwest deal was found by Cheapflights users on 5/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/72:55 pm
STS
- DEN
2 stops7h 05m
Southwest
Mon 8/106:40 am
DEN
- STS
2 stops8h 40m
Southwest
Deal found 5/5![Southwest logo]()
$407
This Alaska Airlines deal was found by Cheapflights users on 5/5. 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.
Wed 5/277:01 am
STS
- DEN
1 stop15h 48m
Alaska Airlines
Sun 5/316:40 am
DEN
- STS
1 stop5h 45m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$406
This Alaska Airlines deal was found by Cheapflights users on 5/2. 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 9/2810:34 am
STS
- DEN
1 stop7h 52m
Alaska Airlines
Thu 10/13:00 pm
DEN
- STS
1 stop7h 56m
Alaska Airlines
Deal found 5/2![Alaska Airlines logo]()
$418
Last-minute flights from Santa Rosa to DenverDiscover last-minute flight deals from Santa Rosa to Denver. Data last updated May 7, 2026 and is based on user searches.
Discover last-minute flight deals from Santa Rosa to Denver. Data last updated May 7, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 5/3. 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 5/274:35 pm
STS
- DEN
1 stop5h 45m
Southwest
Sat 5/308:45 am
DEN
- STS
Nonstop2h 35m
Southwest
Deal found 5/3![Southwest logo]()
$320
This Southwest deal was found by Cheapflights users on 5/4. 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.
Thu 5/284:40 pm
STS
- DEN
1 stop4h 40m
Southwest
Tue 6/25:15 pm
DEN
- STS
1 stop5h 55m
Southwest
Deal found 5/4![Southwest logo]()
$330
This WAYA deal was found by Cheapflights users on 5/4. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:21 pm
STS
- DEN
1 stop6h 17m
Multiple Airlines
Wed 6/312:34 pm
DEN
- STS
1 stop6h 45m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$300
This WAYA deal was found by Cheapflights users on 5/4. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:21 pm
STS
- DEN
1 stop6h 17m
Multiple Airlines
Thu 6/412:34 pm
DEN
- STS
1 stop6h 45m
Multiple Airlines
Deal found 5/4![Multiple Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 5/6. 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 5/301:00 pm
STS
- DEN
Nonstop2h 35m
Southwest
Sat 6/67:55 am
DEN
- STS
Nonstop2h 40m
Southwest
Deal found 5/6![Southwest logo]()
$327
This Southwest deal was found by Cheapflights users on 5/4. 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 5/301:00 pm
STS
- DEN
Nonstop2h 35m
Southwest
Mon 6/18:40 am
DEN
- STS
1 stop6h 10m
Southwest
Deal found 5/4![Southwest logo]()
$337
This Alaska Airlines deal was found by Cheapflights users on 5/4. 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 6/210:51 am
STS
- DEN
1 stop7h 20m
Alaska Airlines
Wed 6/35:58 pm
DEN
- STS
1 stop6h 32m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$313
This Southwest deal was found by Cheapflights users on 5/4. 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.
Wed 6/36:00 am
STS
- DEN
1 stop6h 00m
Southwest
Wed 6/105:30 pm
DEN
- STS
2 stops6h 15m
Southwest
Deal found 5/4![Southwest logo]()
$318
This American Airlines deal was found by Cheapflights users on 5/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/264:20 pm
STS
- DEN
1 stop7h 33m
American Airlines
Sat 6/278:08 am
DEN
- STS
1 stop5h 31m
American Airlines
Deal found 5/6![American Airlines logo]()
$321
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 May 7, 2026.
Search for one-way flight options from Santa Rosa to Denver. Find affordable one-way fares based on user searches. Data last updated May 7, 2026.
This WAYA deal was found by Cheapflights users on 5/5. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/305:21 pm
STS
- DEN
1 stop6h 17m
Multiple Airlines
Deal found 5/5![Multiple Airlines logo]()
$151
This Alaska Airlines deal was found by Cheapflights users on 5/4. 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.
Wed 5/277:01 am
STS
- DEN
1 stop5h 38m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$157
This American Airlines deal was found by Cheapflights users on 5/6. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/214:20 pm
STS
- DEN
1 stop7h 14m
American Airlines
Deal found 5/6![American Airlines logo]()
$161
This Southwest deal was found by Cheapflights users on 5/4. 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.
Wed 7/12:15 pm
STS
- DEN
1 stop8h 00m
Southwest
Deal found 5/4![Southwest logo]()
$162
This Southwest deal was found by Cheapflights users on 5/5. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/301:00 pm
STS
- DEN
Nonstop2h 35m
Southwest
Deal found 5/5![Southwest logo]()
$164
This Alaska Airlines deal was found by Cheapflights users on 5/6. 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.
Sat 5/3010:51 am
STS
- DEN
1 stop7h 20m
Alaska Airlines
Deal found 5/6![Alaska Airlines logo]()
$167
This American Airlines deal was found by Cheapflights users on 5/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/304:20 pm
STS
- DEN
1 stop7h 33m
American Airlines
Deal found 5/5![American Airlines logo]()
$169
This Alaska Airlines deal was found by Cheapflights users on 5/5. 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.
Tue 5/267:40 pm
STS
- DEN
1 stop22h 31m
Alaska Airlines
Deal found 5/5![Alaska Airlines logo]()
$172
This Alaska Airlines deal was found by Cheapflights users on 5/4. 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.
Thu 5/2810:51 am
STS
- DEN
1 stop7h 20m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$174
This Alaska Airlines deal was found by Cheapflights users on 5/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/153:08 pm
STS
- DEN
1 stop5h 28m
Alaska Airlines
Deal found 5/7![Alaska Airlines logo]()
$179
This Southwest deal was found by Cheapflights users on 5/4. 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 5/231:00 pm
STS
- DEN
Nonstop2h 35m
Southwest
Deal found 5/4![Southwest logo]()
$184
This Alaska Airlines deal was found by Cheapflights users on 5/4. 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 7/2811:04 am
STS
- DEN
1 stop7h 14m
Alaska Airlines
Deal found 5/4![Alaska Airlines logo]()
$190
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 May 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $300 (WAYA) |
One-way from | $151 (WAYA) |
Popular in | July |
Cheapest in | March |
Average price | $413 |
Good round-trip deal | $389 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 May 7, 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 - DEN
STSDEN
Santa Rosa Sonoma County
Tue 5/19
7:40 pm-1:39 pm
1 stop16h 59m
Denver Intl
Tue 5/26
7:51 pm-11:25 am
1 stop16h 34m
$360
Santa RosaDenver
STS - DEN
STSDEN
Santa Rosa Sonoma County
Sat 5/30
7:06 am-7:11 pm
1 stop11h 05m
Denver Intl
Thu 6/4
6:40 am-6:19 pm
2 stops12h 39m
$363
Santa RosaDenver
STS - DEN
STSDEN
Santa Rosa Sonoma County
Wed 9/30
1:40 pm-9:50 pm
1 stop7h 10m
Denver Intl
Sun 10/4
11:00 am-12:35 pm
Nonstop2h 35m
$366
Santa RosaDenver
STS - DEN
STSDEN
Santa Rosa Sonoma County
Thu 6/4
7:40 pm-11:49 pm
1 stop27h 09m
Denver Intl
Sun 6/7
6:40 am-11:50 pm
1 stop18h 10m
$382
Santa RosaDenver
STS - DEN
STSDEN
Santa Rosa Sonoma County
Tue 5/19
6:00 am-1:40 pm
2 stops6h 40m
Denver Intl
Tue 5/26
4:25 pm-10:10 pm
2 stops6h 45m
$387
Santa RosaDenver
STS - DEN
STSDEN
Santa Rosa Sonoma County
Thu 5/21
4:40 pm-10:20 pm
1 stop4h 40m
Denver Intl
Mon 5/25
6:40 am-1:50 pm
2 stops8h 10m
$397
Quickest round-trip
Santa RosaDenver
STS - DEN
STSDEN
Santa Rosa Sonoma County
Thu 9/24
6:05 am-1:30 pm
1 stop6h 25m
Denver Intl
Sat 9/26
9:20 am-11:00 am
Nonstop2h 40m
$398
Santa RosaDenver
STS - DEN
STSDEN
Santa Rosa Sonoma County
Sat 6/13
1:06 pm-11:30 pm
2 stops9h 24m
Denver Intl
Tue 6/16
11:32 am-6:23 pm
1 stop7h 51m
$400
Santa RosaDenver
STS - DEN
STSDEN
Santa Rosa Sonoma County
Tue 6/16
5:56 pm-10:33 am
1 stop15h 37m
Denver Intl
Tue 6/23
6:00 am-10:24 am
1 stop5h 24m
$405
Santa RosaDenver
STS - DEN
STSDEN
Santa Rosa Sonoma County
Wed 5/27
7:01 am-11:49 pm
1 stop15h 48m
Denver Intl
Sun 5/31
6:40 am-11:25 am
1 stop5h 45m
$406
Showing 1-10 of 24 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 May.
| 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 July is currently the most expensive (average of $576). 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 May 7, 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 May 7, 2026.
Read through reviews of airlines operating flights from Santa Rosa to Denver, such as Alaska Airlines,Southwest, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Food
7.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Overall
7.9
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Food
7.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Overall
7.9
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Food
7.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
Overall
7.9
Boarding
8.1
Comfort
7.8
Entertainment
7.0
Food
7.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentFranzi,Mar 2026
SFO - PDX
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 locationsThornton
Black Hawk
Lakewood
Westminster
Broomfield
Golden
Centennial
Greeley
Lone Tree
Wheat Ridge
Silverthorne
Central City
Cripple Creek
Winter Park
Manitou Springs
Frisco
Englewood
Fort Morgan
Glendale
Evergreen
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Other flights to Denver
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Santa Rosa and Denver flights
Browse other Santa Rosa and Denver flight options. Last updated on May 7, 2026.
Other flights from Santa Rosa
Browse through other flights departing from Santa Rosa. Flights are based on user searches made on Cheapflights and were last updated on May 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 3 airlines flying from Santa Rosa to Denver
Discover the top 3 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 May 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$249 | Average$430 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$335 | Average$421 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$343 | Average$538 | FlexibilityNo cancel fee | On-time71% |