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$155+ 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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.
STS — DEN
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
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 July 2, 2025.

Round-trip from

$230
(Alaska Airlines)

One-way from

$155
(Alaska Airlines)

Popular in

June

Cheapest in

January

Average price

$247
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. 11% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 2, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/30. 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 11/17:46 pmSTS - DEN
1 stop15h 48mAlaska Airlines
Wed 11/58:20 amDEN - STS
1 stop7h 04mAlaska Airlines
Deal found 6/30$230
This Trip.com deal was found by Cheapflights users on 6/30. 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 8/147:00 amSTS - DEN
2 stops15h 09mMultiple Airlines
Thu 8/214:00 pmDEN - STS
1 stop8h 59mMultiple Airlines
Deal found 6/30$258
This Hawaiian Airlines deal was found by Cheapflights users on 7/2. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/202:28 pmSTS - DEN
1 stop6h 19mHawaiian Airlines
Wed 8/2711:40 amDEN - STS
1 stop5h 34mHawaiian Airlines
Deal found 7/2$278
This American Airlines deal was found by Cheapflights users on 6/30. 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 8/1512:59 pmSTS - DRO
1 stop4h 42mAmerican Airlines
Mon 8/185:55 amDRO - STS
1 stop7h 34mAmerican Airlines
Deal found 6/30$390
This American Airlines deal was found by Cheapflights users on 7/1. 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 11/1512:44 pmSTS - GJT
1 stop7h 36mAmerican Airlines
Tue 11/186:03 amGJT - STS
1 stop7h 03mAmerican Airlines
Deal found 7/1$481
This American Airlines deal was found by Cheapflights users on 7/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3112:20 pmSTS - COS
1 stop9h 02mAmerican Airlines
Wed 8/276:27 amCOS - STS
1 stop6h 10mAmerican Airlines
Deal found 7/2$599

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 July 2, 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

Sat 11/1

7:46 pm-12:34 pm

1 stop15h 48m

Denver Intl

Wed 11/5

8:20 am-2:24 pm

1 stop7h 04m

$230

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

Thu 8/14

7:00 am-11:09 pm

2 stops15h 09m

Denver Intl

Thu 8/21

4:00 pm-11:59 pm

1 stop8h 59m

$258

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

Wed 8/20

2:28 pm-9:47 pm

1 stop6h 19m

Denver Intl

Wed 8/27

11:40 am-4:14 pm

1 stop5h 34m

$278

Santa RosaDurango

STS - DRO

STSDRO

Santa Rosa Sonoma County

Fri 8/15

12:59 pm-6:41 pm

1 stop4h 42m

Durango La Plata County

Mon 8/18

5:55 am-12:29 pm

1 stop7h 34m

$390

Santa RosaGrand Junction

STS - GJT

STSGJT

Santa Rosa Sonoma County

Sat 11/15

12:44 pm-9:20 pm

1 stop7h 36m

Grand Junction Regnl

Tue 11/18

6:03 am-12:06 pm

1 stop7h 03m

$481

Santa RosaColorado Springs

STS - COS

STSCOS

Santa Rosa Sonoma County

Thu 7/31

12:20 pm-10:22 pm

1 stop9h 02m

Colorado Springs

Wed 8/27

6:27 am-11:37 am

1 stop6h 10m

$599

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

Sat 8/16

3:05 pm-11:10 pm

1 stop7h 05m

$155

Santa RosaGrand Junction

STS - GJT

STSGJT

Santa Rosa Sonoma County

Tue 10/7

12:53 pm-9:30 pm

1 stop7h 37m

$181

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

Sat 8/2

4:16 pm-9:42 pm

1 stop4h 26m

$215

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/29

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 July 2, 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 July 2, 2025.
Read reviews from past customers who have flown Alaska Airlines, Hawaiian 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

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

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

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,540 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

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

Entertainment

7.1

Food

7.1

Overall

8.0

Boarding

8.1

Crew

8.5

Comfort

7.8

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.

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

    While some choose either Santa Rosa Sonoma County - Colorado Springs or Santa Rosa Sonoma County - Durango La Plata County, 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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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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$278Average$537FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$303Average$499FlexibilityNo cancel feeOn-time75%

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