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Santa Rosa

$111+ 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — STS
Nov 19 — Nov 261
Wed 11/19
Wed 11/26
1 adult, Economy
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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 October 20, 2025.

This Alaska Airlines deal was found by Cheapflights users on 10/17. 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.
Thu 12/46:00 amDEN - STS
2 stops12h 19mAlaska Airlines
Sun 12/77:50 amSTS - DEN
2 stops26h 54mAlaska Airlines
Deal found 10/17$245
This Alaska Airlines deal was found by Cheapflights users on 10/19. 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.
Sun 11/912:49 pmDEN - STS
1 stop28h 13mAlaska Airlines
Sun 12/77:50 amSTS - DEN
2 stops15h 09mAlaska Airlines
Deal found 10/19$269
This Alaska Airlines deal was found by Cheapflights users on 10/19. 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.
Sun 11/912:49 pmDEN - STS
1 stop28h 13mAlaska Airlines
Thu 12/46:43 pmSTS - DEN
1 stop16h 18mAlaska Airlines
Deal found 10/19$272
This Alaska Airlines deal was found by Cheapflights users on 10/19. 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.
Sun 11/97:19 pmDEN - STS
1 stop21h 43mAlaska Airlines
Sat 12/62:21 pmSTS - DEN
1 stop20h 23mAlaska Airlines
Deal found 10/19$284
This Alaska Airlines deal was found by Cheapflights users on 10/19. 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.
Sun 11/97:19 pmDEN - STS
1 stop21h 43mAlaska Airlines
Tue 12/210:59 amSTS - DEN
2 stops23h 45mAlaska Airlines
Deal found 10/19$289
This Alaska Airlines deal was found by Cheapflights users on 10/19. 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.
Thu 12/1811:31 amDEN - STS
1 stop8h 39mAlaska Airlines
Wed 12/316:45 amSTS - DEN
1 stop16h 14mAlaska Airlines
Deal found 10/19$307
This Alaska Airlines deal was found by Cheapflights users on 10/19. 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.
Sat 11/88:02 pmDEN - STS
1 stop18h 24mAlaska Airlines
Fri 12/57:50 amSTS - DEN
2 stops15h 09mAlaska Airlines
Deal found 10/19$315
This Alaska Airlines deal was found by Cheapflights users on 10/19. 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.
Sat 11/88:02 pmDEN - STS
1 stop18h 24mAlaska Airlines
Thu 12/46:43 pmSTS - DEN
1 stop16h 18mAlaska Airlines
Deal found 10/19$318
This Alaska Airlines deal was found by Cheapflights users on 10/19. 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.
Sat 11/811:31 amDEN - STS
2 stops26h 55mAlaska Airlines
Sun 12/77:50 amSTS - DEN
2 stops15h 09mAlaska Airlines
Deal found 10/19$320
This American Airlines deal was found by Cheapflights users on 10/17. 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 11/85:30 amGJT - STS
1 stop7h 37mAmerican Airlines
Tue 11/1112:37 pmSTS - GJT
1 stop4h 44mAmerican Airlines
Deal found 10/17$576
This American Airlines deal was found by Cheapflights users on 10/17. 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 11/812:25 pmASE - STS
2 stops28h 28mAmerican Airlines
Tue 11/1112:37 pmSTS - ASE
2 stops29h 54mAmerican Airlines
Deal found 10/17$1,365
This American Airlines deal was found by Cheapflights users on 10/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/67:33 amASE - STS
2 stops17h 11mAmerican Airlines
Wed 12/1012:57 pmSTS - ASE
2 stops21h 52mAmerican Airlines
Deal found 10/20$1,834

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 October 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$237
(Alaska Airlines)

One-way from

$111
(Alaska Airlines)

Popular in

July

Cheapest in

February

Average price

$238
Provider with most accurate pricing for Denver Intl-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-San Francisco flights.
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From Colorado to Santa Rosa Sonoma County
Search Deals
One-way flight from Colorado to Santa Rosa Sonoma County
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($35 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 20, 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

Fri 1/9

12:34 pm-2:29 pm

1 stop26h 55m

Santa Rosa Sonoma County

Thu 1/15

6:52 pm-11:38 am

1 stop15h 46m

$237

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Thu 12/4

6:00 am-5:19 pm

2 stops12h 19m

Santa Rosa Sonoma County

Sun 12/7

7:50 am-11:44 am

2 stops26h 54m

$245

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Thu 2/5

8:04 am-11:01 pm

1 stop15h 57m

Santa Rosa Sonoma County

Mon 2/9

9:38 am-6:41 pm

1 stop8h 03m

$252

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Sun 11/9

12:49 pm-4:02 pm

1 stop28h 13m

Santa Rosa Sonoma County

Sun 12/7

7:50 am-11:59 pm

2 stops15h 09m

$269

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Sun 11/9

12:49 pm-4:02 pm

1 stop28h 13m

Santa Rosa Sonoma County

Wed 12/3

8:00 am-11:59 pm

1 stop14h 59m

$272

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Sun 11/9

7:19 pm-4:02 pm

1 stop21h 43m

Santa Rosa Sonoma County

Sat 12/6

2:21 pm-11:44 am

1 stop20h 23m

$284

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Sun 11/9

7:19 pm-4:02 pm

1 stop21h 43m

Santa Rosa Sonoma County

Tue 12/2

10:59 am-11:44 am

2 stops23h 45m

$289

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Sun 11/9

7:19 pm-4:02 pm

1 stop21h 43m

Santa Rosa Sonoma County

Thu 12/4

3:16 pm-11:44 am

2 stops19h 28m

$289

Grand JunctionSanta Rosa

GJT - STS

GJTSTS

Grand Junction Regnl

Sat 11/8

5:30 am-12:07 pm

1 stop7h 37m

Santa Rosa Sonoma County

Tue 11/11

12:37 pm-6:21 pm

1 stop4h 44m

$576

VailSanta Rosa

EGE - STS

EGESTS

Vail Eagle County

Thu 3/26

1:45 pm-2:20 pm

2 stops25h 35m

Santa Rosa Sonoma County

Mon 3/30

7:00 am-1:15 pm

1 stop5h 15m

$827

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/19

Showing 1-10 of 21 results
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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, March is the cheapest month in which you can book a flight from Colorado to Santa Rosa (average of $38). Flying from Colorado to Santa Rosa in August is currently the most expensive (average of $109). 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 October 20, 2025.

A simple way to save on the total cost of your ticket is to fly from Colorado to Santa Rosa at noon. If you’re flexible enough to do this you can expect to save up to 36% on your trip compared to booking a flight in the afternoon.

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.

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

    A quick flight from Colorado to Santa Rosa can take about 7h 37m. Alaska Airlines provides one of the quickest options available for as low as $576. Airlines will cover a distance of 769 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The most popular flight routes from Colorado to Santa Rosa are Denver Intl - Santa Rosa Sonoma County, Aspen Pitkin County - Santa Rosa Sonoma County and Vail Eagle County - Santa Rosa Sonoma County.

  • 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, March is the cheapest month in which you can book a flight from Colorado to Santa Rosa (average of $38). Flying from Colorado to Santa Rosa in August is currently the most expensive (average of $109). 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.
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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 October 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$271Average$554FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$310Average$541FlexibilityNo cancel feeOn-time71%

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