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$127+ Cheap flights from Santa Rosa (STS) to Colorado

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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
STS — DEN
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
1 adult, Economy
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Cheap flight deals from Santa Rosa to Colorado

Keep the following information in mind while searching for Santa Rosa to Colorado flight deals. Data was last updated August 20, 2025.

Round-trip from

$260
(Hawaiian Airlines)

One-way from

$127
(Alaska Airlines)

Popular in

June

Cheapest in

October

Average price

$235
From Santa Rosa Sonoma County to Colorado
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One-way flight from Santa Rosa Sonoma County to Colorado
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Highest demand for flights based on searches. 10% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Santa Rosa to Colorado

Cheapest flights from Santa Rosa to Colorado
Explore the most affordable flight options available from Santa Rosa to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 20, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 8/17. 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.
Wed 10/292:22 pmSTS - DEN
1 stop8h 37mHawaiian Airlines
Sat 11/17:04 pmDEN - STS
1 stop5h 53mHawaiian Airlines
Deal found 8/17$260
This Trip.com deal was found by Cheapflights users on 8/19. 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 9/187:03 amSTS - DEN
1 stop9h 33mMultiple Airlines
Mon 9/223:43 pmDEN - STS
1 stop9h 16mMultiple Airlines
Deal found 8/19$261
This Alaska Airlines deal was found by Cheapflights users on 8/17. 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 10/2910:50 amSTS - DEN
2 stops23h 44mAlaska Airlines
Sat 11/112:49 pmDEN - STS
2 stops9h 57mAlaska Airlines
Deal found 8/17$263
This Trip.com deal was found by Cheapflights users on 8/19. 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 9/257:03 amSTS - DEN
1 stop9h 33mMultiple Airlines
Mon 9/293:43 pmDEN - STS
1 stop9h 16mMultiple Airlines
Deal found 8/19$264
This Alaska Airlines deal was found by Cheapflights users on 8/19. 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 10/159:43 amSTS - DEN
2 stops13h 04mAlaska Airlines
Sat 10/187:02 pmDEN - STS
1 stop15h 01mAlaska Airlines
Deal found 8/19$266
This Trip.com deal was found by Cheapflights users on 8/18. 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.
Mon 10/206:25 amSTS - DEN
1 stop17h 21mMultiple Airlines
Wed 10/223:02 pmDEN - STS
1 stop8h 04mMultiple Airlines
Deal found 8/18$267
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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 11/36:49 amSTS - DEN
1 stop27h 45mAlaska Airlines
Tue 11/117:04 pmDEN - STS
2 stops27h 42mAlaska Airlines
Deal found 8/18$268
This Alaska Airlines deal was found by Cheapflights users on 8/19. 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 11/1210:50 amSTS - DEN
2 stops23h 44mAlaska Airlines
Fri 11/147:19 pmDEN - STS
2 stops27h 27mAlaska Airlines
Deal found 8/19$273
This Hawaiian Airlines deal was found by Cheapflights users on 8/18. 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.
Wed 9/102:28 pmSTS - DEN
1 stop6h 34mHawaiian Airlines
Wed 9/243:02 pmDEN - STS
1 stop6h 21mHawaiian Airlines
Deal found 8/18$278
This Alaska Airlines deal was found by Cheapflights users on 8/20. 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 11/12:22 pmSTS - DEN
1 stop8h 35mAlaska Airlines
Wed 11/57:00 amDEN - STS
1 stop7h 26mAlaska Airlines
Deal found 8/20$279
This American Airlines deal was found by Cheapflights users on 8/19. 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 9/111:00 pmSTS - GJT
1 stop4h 08mAmerican Airlines
Sat 9/136:02 amGJT - STS
1 stop7h 27mAmerican Airlines
Deal found 8/19$401
This American Airlines deal was found by Cheapflights users on 8/17. 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 11/1512:38 pmSTS - GJT
1 stop4h 43mAmerican Airlines
Tue 11/187:30 amGJT - STS
1 stop6h 18mAmerican Airlines
Deal found 8/17$421

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santa Rosa to Colorado 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 20, 2025.
Use the filters below to find and compare flights from Santa Rosa to Colorado that are best for you.

Fly from

Santa Rosa

Fly to

Colorado

Route

Depart

Return

Price

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

Wed 10/29

2:22 pm-11:59 pm

1 stop8h 37m

Denver Intl

Sat 11/1

7:04 pm-11:57 pm

1 stop5h 53m

$260

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

Sat 11/8

2:22 pm-11:57 pm

1 stop8h 35m

Denver Intl

Tue 11/11

7:04 pm-11:57 pm

1 stop5h 53m

$260

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

Thu 9/18

7:03 am-5:36 pm

1 stop9h 33m

Denver Intl

Mon 9/22

3:43 pm-11:59 pm

1 stop9h 16m

$261

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

Wed 10/29

10:50 am-11:34 am

2 stops23h 44m

Denver Intl

Sat 11/1

12:49 pm-9:46 pm

2 stops9h 57m

$263

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

Thu 9/25

7:03 am-5:36 pm

1 stop9h 33m

Denver Intl

Mon 9/29

3:43 pm-11:59 pm

1 stop9h 16m

$264

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

Sat 11/1

2:22 pm-11:57 pm

1 stop8h 35m

Denver Intl

Tue 11/4

12:49 pm-9:46 pm

2 stops9h 57m

$266

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

Wed 10/15

9:43 am-11:47 pm

2 stops13h 04m

Denver Intl

Sat 10/18

7:02 pm-9:03 am

1 stop15h 01m

$266

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

Mon 10/20

6:25 am-12:46 am

1 stop17h 21m

Denver Intl

Wed 10/22

3:02 pm-10:06 pm

1 stop8h 04m

$267

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

Mon 11/3

6:49 am-11:34 am

1 stop27h 45m

Denver Intl

Tue 11/11

7:04 pm-9:46 pm

2 stops27h 42m

$268

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

Wed 11/12

10:50 am-11:34 am

2 stops23h 44m

Denver Intl

Fri 11/14

7:19 pm-9:46 pm

2 stops27h 27m

$273

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/18

Showing 1-10 of 35 results
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Best time to book a flight from Santa Rosa to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado 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 Colorado

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

Currently, October is the cheapest month in which you can book a flight from Santa Rosa to Colorado (average of $197). Flying from Santa Rosa to Colorado 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 CO?

Find hourly flight availability from Santa Rosa to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 20, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Santa Rosa to Colorado as you normally would.

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated August 20, 2025.
Read reviews from past customers who have flown Alaska Airlines and American Airlines from Santa Rosa to Colorado. 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

Food

7.1

Entertainment

7.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

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

Food

7.1

Entertainment

7.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

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

Food

7.1

Entertainment

7.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

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 Santa Rosa to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Santa Rosa to Colorado?

    Most people fly from Santa Rosa Sonoma County (STS) if they book a flight from Santa Rosa to Colorado. Santa Rosa Sonoma County is conveniently located just 7.2 mi from Santa Rosa’s city center.

  • How long is the flight from Santa Rosa to Colorado?

    A quick flight from Santa Rosa to Colorado can take about 4h 08m. Hawaiian Airlines provides one of the quickest options available for as low as $401. Airlines will cover a distance of 769 mi. This flight may include one or multiple stops.

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

    The cheapest airlines for a one-way flight from Santa Rosa to Colorado are Alaska Airlines ($127), Hawaiian Airlines ($139), and American Airlines ($873).

  • What are the most popular routes from Santa Rosa to Colorado?

    While some choose either Santa Rosa Sonoma County - Grand Junction Regnl or Santa Rosa Sonoma County - Colorado Springs, Santa Rosa Sonoma County - Denver Intl is the most popular route from Santa Rosa to Colorado.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Santa Rosa to Colorado (average of $197). Flying from Santa Rosa to Colorado 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

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Alternative routes for Santa Rosa to Colorado

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Top 2 airlines flying from Santa Rosa to Colorado

Discover the top 2 airlines that operate flights from Santa Rosa to Colorado. 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 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$278Average$539FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$303Average$503FlexibilityNo cancel feeOn-time75%

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