Colorado

$116+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.
STS — DEN
Apr 24 — May 11
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Cheap 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 March 25, 2026.

This CheapTickets deal was found by Cheapflights users on 3/21. 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 CheapTickets is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/27:23 am
STS
-
DEN
1 stop7h 00m
Multiple Airlines
Sat 5/97:12 am
DEN
-
STS
1 stop12h 54m
Multiple Airlines
Deal found 3/21$208
This Alaska Airlines deal was found by Cheapflights users on 3/25. 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.
Tue 5/510:01 am
STS
-
DEN
1 stop7h 24m
Alaska Airlines
Wed 5/136:40 am
DEN
-
STS
1 stop18h 10m
Alaska Airlines
Deal found 3/25$230
This Southwest deal was found by Cheapflights users on 3/24. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/284:35 pm
STS
-
DEN
1 stop5h 45m
Southwest
Tue 5/54:25 pm
DEN
-
STS
2 stops6h 45m
Southwest
Deal found 3/24$236
This Alaska Airlines deal was found by Cheapflights users on 3/25. 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 5/910:01 am
STS
-
DEN
1 stop7h 24m
Alaska Airlines
Wed 5/136:40 am
DEN
-
STS
1 stop18h 10m
Alaska Airlines
Deal found 3/25$248
This Alaska Airlines deal was found by Cheapflights users on 3/23. 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 4/157:46 pm
STS
-
DEN
1 stop20h 38m
Alaska Airlines
Fri 4/176:20 pm
DEN
-
STS
1 stop5h 53m
Alaska Airlines
Deal found 3/23$249
This Alaska Airlines deal was found by Cheapflights users on 3/24. 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 5/167:06 am
STS
-
DEN
1 stop11h 05m
Alaska Airlines
Tue 5/196:40 am
DEN
-
STS
1 stop18h 16m
Alaska Airlines
Deal found 3/24$251
This Southwest deal was found by Cheapflights users on 3/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/164:40 pm
STS
-
DEN
1 stop4h 40m
Southwest
Tue 4/215:15 pm
DEN
-
STS
1 stop5h 55m
Southwest
Deal found 3/23$253
This Southwest deal was found by Cheapflights users on 3/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/154:35 pm
STS
-
DEN
1 stop5h 45m
Southwest
Sat 4/182:40 pm
DEN
-
STS
2 stops6h 50m
Southwest
Deal found 3/23$259
This Southwest deal was found by Cheapflights users on 3/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/34:35 pm
STS
-
COS
1 stop4h 45m
Southwest
Wed 6/1011:20 am
COS
-
STS
2 stops12h 25m
Southwest
Deal found 3/23$259
This Southwest deal was found by Cheapflights users on 3/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:00 am
STS
-
DEN
1 stop6h 00m
Southwest
Sat 5/98:45 am
DEN
-
STS
Nonstop2h 35m
Southwest
Deal found 3/22$262
This Southwest deal was found by Cheapflights users on 3/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/144:35 pm
STS
-
COS
1 stop4h 45m
Southwest
Wed 4/154:45 pm
COS
-
STS
2 stops6h 25m
Southwest
Deal found 3/21$318
This Southwest deal was found by Cheapflights users on 3/22. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/74:35 pm
STS
-
COS
1 stop4h 50m
Southwest
Sat 4/116:45 am
COS
-
STS
1 stop4h 35m
Southwest
Deal found 3/22$479

Find 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 March 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$208
(CheapTickets)

One-way from

$116
(Southwest)

Popular in

December

Cheapest in

October

Average price

$263

Good round-trip deal

$380 or less
Provider with most accurate pricing for San Francisco-Denver Intl flight deals.
Provider most trusted by Cheapflights users for San Francisco-Denver Intl flights.
From Santa Rosa Sonoma County to Colorado
One-way flight from Santa Rosa Sonoma County to Colorado
Highest demand for flights based on searches. 7% potential increase in price ($20 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in March 2026
Price to beat on a round-trip flight from Santa Rosa Sonoma County to Colorado.

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 March 25, 2026.
Use the filters below to find and compare flights from Santa Rosa to Colorado that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Santa RosaColorado Springs

STS - COS

STSCOS

Santa Rosa Sonoma County

Wed 6/3

4:35 pm-10:20 pm

1 stop4h 45m

Colorado Springs

Wed 6/10

11:20 am-10:45 pm

2 stops12h 25m

$259
Quickest round-trip

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

Wed 5/6

6:00 am-1:00 pm

1 stop6h 00m

Denver Intl

Sat 5/9

8:45 am-10:20 am

Nonstop2h 35m

$262

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

Wed 4/29

10:01 am-6:25 pm

1 stop7h 24m

Denver Intl

Sat 5/2

1:02 pm-7:06 pm

1 stop7h 04m

$294

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

Fri 6/5

11:10 am-6:10 pm

1 stop6h 00m

Denver Intl

Mon 6/8

6:00 am-10:20 am

1 stop5h 20m

$298

Santa RosaColorado Springs

STS - COS

STSCOS

Santa Rosa Sonoma County

Tue 4/14

4:35 pm-10:20 pm

1 stop4h 45m

Colorado Springs

Wed 4/15

4:45 pm-10:10 pm

2 stops6h 25m

$318

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

Thu 4/16

4:40 pm-10:20 pm

1 stop4h 40m

Denver Intl

Mon 4/20

5:10 pm-10:40 pm

2 stops6h 30m

$352

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

Sat 5/2

6:05 am-1:55 pm

2 stops6h 50m

Denver Intl

Sat 5/9

12:50 pm-8:30 pm

2 stops8h 40m

$357

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

Sat 5/16

6:05 am-2:20 pm

2 stops7h 15m

Denver Intl

Thu 5/21

6:40 am-1:50 pm

2 stops8h 10m

$361

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

Wed 5/13

6:00 am-3:35 pm

2 stops8h 35m

Denver Intl

Sun 5/17

5:35 am-4:20 pm

2 stops11h 45m

$362

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

Sat 4/18

12:00 pm-8:35 pm

1 stop7h 35m

Denver Intl

Sat 4/25

8:45 am-10:20 am

Nonstop2h 35m

$365

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/22

Showing 1-10 of 37 resultsSorted by cheapest first
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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, January is the cheapest month in which you can book a flight from Santa Rosa to Colorado (average of $58). Flying from Santa Rosa to Colorado in June is currently the most expensive (average of $105). 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.

How much does it cost to fly round-trip from Santa Rosa to Colorado?

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 March 25, 2026.
Read reviews from past customers who have flown Southwest,Alaska Airlines, andAmerican Airlines from Santa Rosa to Colorado. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Boarding

8.1

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Boarding

8.1

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Boarding

8.1

Food

7.0

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

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 5h 19m. Southwest provides one of the quickest options available for as low as $521. 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 American Airlines ($125), Alaska Airlines ($161), and Southwest ($209).

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

  • What are the cheapest flights from Santa Rosa to Colorado?

    On average you can expect to pay $409 for a flight from Santa Rosa to Colorado. The cheapest flight overall is $356 while the most popular route, (Santa Rosa Sonoma County - Denver Intl) is currently priced at $230.

  • 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, January is the cheapest month in which you can book a flight from Santa Rosa to Colorado (average of $58). Flying from Santa Rosa to Colorado in June is currently the most expensive (average of $105). 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

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

Top 3 airlines flying from Santa Rosa to Colorado

Discover the top 3 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 March 25, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$249Average$433FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$340Average$576FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$356Average$419FlexibilityNo cancel feeOn-time63%

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