Santa Rosa

$139+ Cheap flights from Colorado to Santa Rosa (STS)

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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — STS
ago. 5 — ago. 121
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Cheap flight deals from Colorado to Santa Rosa

Keep the following information in mind while searching for Colorado to Santa Rosa flight deals. Data was last updated julio 31, 2025.

Round-trip from

$246
(Alaska Airlines)

One-way from

$139
(Alaska Airlines)

Popular in

July

Cheapest in

February

Average price

$281
From Colorado to Santa Rosa Sonoma County
One-way flight from Colorado to Santa Rosa Sonoma County
Highest demand for flights based on searches. 14% potential increase in price ($36 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in July 2025

Find flight deals from Colorado to Santa Rosa

Cheapest flights from Colorado to Santa Rosa
Explore the most affordable flight options available from Colorado to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 31, 2025.

This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/13:02 pmDEN - STS
1 stop6h 21mAlaska Airlines
mié. 10/226:25 amSTS - DEN
1 stop6h 35mAlaska Airlines
Deal found 7/29$246
This American Airlines deal was found by Cheapflights users on 7/30. 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.
sáb. 10/46:02 amGJT - STS
1 stop7h 27mAmerican Airlines
mar. 10/74:17 pmSTS - GJT
1 stop4h 22mAmerican Airlines
Deal found 7/30$466
This American Airlines deal was found by Cheapflights users on 7/30. 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.
vie. 10/248:00 amASE - STS
2 stops29h 21mAmerican Airlines
mar. 10/284:17 pmSTS - ASE
2 stops25h 42mAmerican Airlines
Deal found 7/30$791
This American Airlines deal was found by Cheapflights users on 7/30. 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.
vie. 10/108:08 amEGE - STS
2 stops8h 39mAmerican Airlines
lun. 10/1312:31 pmSTS - EGE
1 stop29h 23mAmerican Airlines
Deal found 7/30$1,256
This Alaska Airlines deal was found by Cheapflights users on 7/30. 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.
sáb. 8/911:45 amGJT - STS
3 stops31h 22mAlaska Airlines
mar. 8/1210:00 amSTS - GJT
3 stops31h 40mAlaska Airlines
Deal found 7/30$1,571

Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado to Santa Rosa 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 julio 31, 2025.
Use the filters below to find and compare flights from Colorado to Santa Rosa that are best for you.

Fly from

Colorado

Fly to

Santa Rosa

Route

Depart

Return

Price

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

mié. 10/1

3:02 pm-8:23 pm

1 stop6h 21m

Santa Rosa Sonoma County

mié. 10/22

6:25 am-2:00 pm

1 stop6h 35m

$246

Grand JunctionSanta Rosa

GJT - STS

GJTSTS

Grand Junction Regnl

sáb. 10/4

6:02 am-12:29 pm

1 stop7h 27m

Santa Rosa Sonoma County

mar. 10/7

4:17 pm-9:39 pm

1 stop4h 22m

$466

AspenSanta Rosa

ASE - STS

ASESTS

Aspen Pitkin County

vie. 10/24

8:00 am-3:47 pm

2 stops32h 47m

Santa Rosa Sonoma County

mar. 10/28

4:17 pm-6:59 pm

2 stops25h 42m

$791

VailSanta Rosa

EGE - STS

EGESTS

Vail Eagle County

vie. 10/10

8:08 am-3:47 pm

2 stops8h 39m

Santa Rosa Sonoma County

lun. 10/13

12:31 pm-6:54 pm

1 stop29h 23m

$1,256

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

mié. 9/3

8:00 am-1:36 pm

1 stop6h 36m

$139

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Best time to book a flight from Colorado to Santa Rosa

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

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

Currently, February is the cheapest month in which you can book a flight from Colorado to Santa Rosa (average of $202). Flying from Colorado to Santa Rosa in June is currently the most expensive (average of $395). 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 CO to STS?

Find hourly flight availability from Colorado to Santa Rosa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 31, 2025.

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

Reviews of airlines servicing Santa Rosa

Get insights into the airlines that provide service to Santa Rosa. 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 Santa Rosa. Reviews last updated julio 31, 2025.
Read through reviews of airlines operating flights from Colorado to Santa Rosa, such as Alaska Airlines and American Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Comfort

7.8

Boarding

8.1

Crew

8.5

Entertainment

7.1

Overall

8.0

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 Colorado to Santa Rosa. 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 into for flights to Santa Rosa from Colorado?

    If you book a flight to Santa Rosa from Colorado, you will be flying to Sonoma County, which is the city’s only airport. Santa Rosa Sonoma County (STS) is located 7.2 mi from the center of Santa Rosa.

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

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Colorado to Santa Rosa (average of $202). Flying from Colorado to Santa Rosa in June is currently the most expensive (average of $395). 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

Traveling to a place near Santa Rosa?

Book flights to Santa Rosa if you plan to visit one of these locations
Fort Bragg
Ukiah

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Alternative routes for Colorado to Santa Rosa

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Colorado to Santa Rosa

Discover the top 2 airlines that operate flights from Colorado to Santa Rosa. 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 julio 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$296Average$497FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$307Average$480FlexibilityNo cancel feeOn-time75%

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