HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Colorado

$162+ 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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
STS — DEN
May 5 — May 121
Mon 5/5
Mon 5/12
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Santa Rosa to Colorado 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.

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 April 30, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$300
(Alaska Airlines)

One-way from

$162
(Alaska Airlines)

Popular in

December

Cheapest in

September

Average price

$208
Provider with most accurate pricing for San Francisco-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Denver Intl flights.
Search Deals
From Santa Rosa Sonoma County to Colorado
Search Deals
One-way flight from Santa Rosa Sonoma County to Colorado
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($10 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 April 30, 2025.

This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/286:40 pmSTS - DEN
2 stops22h 29mAlaska Airlines
Wed 6/411:40 amDEN - STS
2 stops12h 50mAlaska Airlines
Deal found 4/28$300
This Trip.com deal was found by Cheapflights users on 4/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/127:00 amSTS - DEN
2 stops15h 08mMultiple Airlines
Thu 6/197:00 amDEN - STS
2 stops17h 44mMultiple Airlines
Deal found 4/27$329
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Wed 7/301:01 pmSTS - DRO
1 stop4h 49mAmerican Airlines
Wed 8/66:00 amDRO - STS
1 stop7h 18mAmerican Airlines
Deal found 4/29$390
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Wed 6/181:10 pmSTS - DEN
1 stop7h 32mAmerican Airlines
Tue 6/248:42 amDEN - STS
1 stop4h 58mAmerican Airlines
Deal found 4/29$429
This Trip.com deal was found by Cheapflights users on 4/28. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/911:55 amSTS - DEN
1 stop5h 16mHawaiian Airlines
Fri 8/158:32 pmDEN - STS
1 stop23h 35mHawaiian Airlines
Deal found 4/28$449
This American Airlines deal was found by Cheapflights users on 4/29. 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 9/182:30 pmSTS - COS
1 stop7h 55mAmerican Airlines
Sun 9/216:27 amCOS - STS
1 stop6h 42mAmerican Airlines
Deal found 4/29$669

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 April 30, 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 5/28

6:40 pm-6:09 pm

2 stops22h 29m

Denver Intl

Wed 6/4

11:40 am-11:30 pm

2 stops12h 50m

$300

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

Thu 6/12

7:00 am-11:08 pm

2 stops15h 08m

Denver Intl

Thu 6/19

7:00 am-11:44 pm

2 stops17h 44m

$329

Santa RosaDurango

STS - DRO

STSDRO

Santa Rosa Sonoma County

Wed 7/30

1:01 pm-6:50 pm

1 stop4h 49m

Durango La Plata County

Wed 8/6

6:00 am-12:18 pm

1 stop7h 18m

$390

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

Wed 6/18

1:10 pm-9:42 pm

1 stop7h 32m

Denver Intl

Tue 6/24

8:42 am-12:40 pm

1 stop4h 58m

$429

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

Sat 8/9

11:55 am-6:11 pm

1 stop5h 16m

Denver Intl

Fri 8/15

8:32 pm-7:07 pm

1 stop23h 35m

$449

Santa RosaColorado Springs

STS - COS

STSCOS

Santa Rosa Sonoma County

Thu 9/18

2:30 pm-11:25 pm

1 stop7h 55m

Colorado Springs

Sun 9/21

6:27 am-12:09 pm

1 stop6h 42m

$669

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

Wed 5/21

7:00 am-6:09 pm

2 stops10h 09m

$162

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

Mon 5/12

12:37 pm-4:00 am

1 stop14h 23m

$179

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

Sun 5/25

4:21 pm-10:39 pm

1 stop5h 18m

$215

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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 April 30, 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.

Rainfall in Colorado by month

Plan your trip to Colorado by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Colorado ranges from 0.5 - 2.3 inches per month. May is typically the wettest month, when rainfall can reach 2.3 in. January is typically the driest time to visit Colorado when rainfall is around 0.5 in.

Temperature in Colorado by month

Plan your trip to Colorado by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Colorado, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 April 30, 2025.
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

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
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

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
9,961 reviews

Comfort

7.9

Crew

8.5

Entertainment

7.1

Overall

8.0

Boarding

8.2

Food

7.1

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 - Durango La Plata County 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Santa Rosa to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to John F Kennedy Intl flights
San Francisco to John F Kennedy Intl flights
Los Angeles to Seattle flights
Los Angeles to Newark flights
Los Angeles to Dallas/Fort Worth flights
San Francisco to Newark flights
Los Angeles to LaGuardia flights
Los Angeles to Honolulu flights
Los Angeles to Boston flights
Los Angeles to Miami flights
San Jose to Los Angeles flights
Los Angeles to Las Vegas flights
San Francisco to Los Angeles flights
San Francisco to Las Vegas flights
Los Angeles to Orlando flights
Los Angeles to San Francisco flights
Los Angeles to O'Hare Intl flights
San Francisco to LaGuardia flights
San Francisco to Honolulu flights
San Jose to Las Vegas flights
Los Angeles to Reagan-National flights
Santa Ana to Las Vegas flights
Los Angeles to Portland flights
Ontario to John F Kennedy Intl flights
Los Angeles to Baltimore flights
Oakland to Las Vegas flights
Burbank to Las Vegas flights
San Diego to Seattle flights
San Francisco to Seattle flights
Los Angeles to Dulles Intl flights
San Francisco to Ontario flights
San Francisco to O'Hare Intl flights
Oakland to Los Angeles flights
Los Angeles to Oakland flights
Santa Ana to Seattle flights
Ontario to Seattle flights
San Diego to John F Kennedy Intl flights
San Francisco to Boston flights
Burbank to Newark flights
Los Angeles to Kahului flights
Oakland to Santa Ana flights
Ontario to Dallas/Fort Worth flights
Santa Ana to Newark flights
Los Angeles to San Jose flights
San Diego to Newark flights
San Jose to Seattle flights
Burbank to Seattle flights
Los Angeles to Hobby flights
Ontario to San Francisco flights
Los Angeles to Fort Lauderdale flights

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 April 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$278Average$540FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$302Average$496FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.