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$89+ 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 4/18. Fares are subject to change and may not be available on all flights or dates of travel.
STS — DEN
feb. 19 — feb. 261
jue. 2/19
jue. 2/26
1 adult, Economy
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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 enero 20, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/189:50 am
STS
-
DEN
1 stop6h 34m
Hawaiian Airlines
mar. 4/216:20 pm
DEN
-
STS
1 stop5h 53m
Hawaiian Airlines
Deal found 1/20$160
This Alaska Airlines deal was found by Cheapflights users on 1/18. 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.
mar. 5/510:01 am
STS
-
DEN
1 stop7h 24m
Alaska Airlines
mié. 5/67:00 am
DEN
-
STS
1 stop5h 08m
Alaska Airlines
Deal found 1/18$177
This Expedia deal was found by Cheapflights users on 1/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/117:30 am
STS
-
DEN
1 stop9h 58m
Alaska Airlines
sáb. 4/181:16 pm
DEN
-
STS
1 stop7h 04m
Alaska Airlines
Deal found 1/19$197
This Alaska Airlines deal was found by Cheapflights users on 1/18. 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.
mar. 5/510:01 am
STS
-
DEN
1 stop7h 24m
Alaska Airlines
vie. 5/81:02 pm
DEN
-
STS
1 stop23h 06m
Alaska Airlines
Deal found 1/18$210
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 4/189:50 am
STS
-
DEN
1 stop6h 34m
Alaska Airlines
mar. 4/217:00 am
DEN
-
STS
2 stops17h 59m
Alaska Airlines
Deal found 1/20$215
This Alaska Airlines deal was found by Cheapflights users on 1/19. 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.
mar. 2/246:50 pm
STS
-
DEN
1 stop14h 52m
Alaska Airlines
sáb. 2/286:16 pm
DEN
-
STS
1 stop17h 16m
Alaska Airlines
Deal found 1/19$217
This Alaska Airlines deal was found by Cheapflights users on 1/19. 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.
mar. 3/1010:51 am
STS
-
DEN
1 stop5h 57m
Alaska Airlines
mar. 3/176:16 pm
DEN
-
STS
2 stops23h 54m
Alaska Airlines
Deal found 1/19$225
This Alaska Airlines deal was found by Cheapflights users on 1/19. 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.
sáb. 5/23:00 pm
STS
-
DEN
1 stop18h 50m
Alaska Airlines
mar. 5/51:02 pm
DEN
-
STS
1 stop7h 04m
Alaska Airlines
Deal found 1/19$230
This Alaska Airlines deal was found by Cheapflights users on 1/19. 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.
vie. 4/109:50 am
STS
-
DEN
1 stop6h 34m
Alaska Airlines
sáb. 4/181:16 pm
DEN
-
STS
1 stop7h 04m
Alaska Airlines
Deal found 1/19$238
This Southwest deal was found by Cheapflights users on 1/18. 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.
mié. 5/134:35 pm
STS
-
COS
1 stop4h 45m
Southwest
dom. 5/172:25 pm
COS
-
STS
1 stop9h 40m
Southwest
Deal found 1/18$354
This Southwest deal was found by Cheapflights users on 1/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/206:05 am
STS
-
COS
2 stops8h 35m
Southwest
dom. 8/237:05 am
COS
-
STS
1 stop7h 30m
Southwest
Deal found 1/20$384
This American Airlines deal was found by Cheapflights users on 1/20. 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.
mié. 2/412:55 pm
STS
-
GJT
1 stop4h 24m
American Airlines
dom. 2/811:56 am
GJT
-
STS
1 stop4h 57m
American Airlines
Deal found 1/20$481

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 enero 20, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$160
(Kiwi.com)

One-way from

$89
(Alaska Airlines)

Popular in

December

Cheapest in

February

Average price

$229

Good round-trip deal

$389 or less
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. 8% potential increase in price ($20 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 January 2026
Search Deals
Price to beat on a round-trip flight from Santa Rosa Sonoma County to Colorado.
Search Deals

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 enero 20, 2026.
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

sáb. 5/9

10:01 am-6:25 pm

1 stop7h 24m

Denver Intl

mar. 5/12

1:02 pm-7:06 pm

1 stop7h 04m

$177

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

sáb. 4/18

9:50 am-5:24 pm

1 stop6h 34m

Denver Intl

mar. 4/21

6:20 pm-11:13 pm

1 stop5h 53m

$177

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

mié. 5/6

10:01 am-6:25 pm

1 stop7h 24m

Denver Intl

mar. 5/12

1:02 pm-7:06 pm

1 stop7h 04m

$217

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

mar. 5/5

10:01 am-6:25 pm

1 stop7h 24m

Denver Intl

jue. 5/7

7:00 am-11:26 pm

1 stop17h 26m

$230

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

mar. 5/5

10:01 am-6:25 pm

1 stop7h 24m

Denver Intl

lun. 5/11

7:00 am-11:26 pm

1 stop17h 26m

$230

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

lun. 5/4

7:00 am-6:25 pm

1 stop10h 25m

Denver Intl

mié. 5/6

7:00 am-11:08 am

1 stop5h 08m

$230

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

sáb. 4/11

7:30 am-6:28 pm

1 stop9h 58m

Denver Intl

sáb. 4/18

7:25 am-7:20 pm

1 stop12h 55m

$230

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

mar. 5/5

10:01 am-6:25 pm

1 stop7h 24m

Denver Intl

mié. 5/6

11:46 am-11:59 pm

2 stops13h 13m

$235

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

mar. 5/12

10:01 am-6:25 pm

1 stop7h 24m

Denver Intl

mié. 5/20

11:45 am-9:22 pm

2 stops10h 37m

$235

Santa RosaDenver

STS - DEN

STSDEN

Santa Rosa Sonoma County

mié. 5/6

10:01 am-6:25 pm

1 stop7h 24m

Denver Intl

vie. 5/8

1:02 pm-11:08 am

1 stop23h 06m

$250

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 32 results
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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, February is the cheapest month in which you can book a flight from Santa Rosa to Colorado (average of $28). Flying from Santa Rosa to Colorado in June is currently the most expensive (average of $106). 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.

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 enero 20, 2026.
Read reviews from past customers who have flown Alaska Airlines, Southwest, 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
11,762 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,762 reviews
Alaska Airlines
8.0
Very good
11,762 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Southwest
8.0
Very good
4,266 reviews
Alaska Airlines
8.0
Very good
11,762 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
American Airlines
7.2
Good
11,166 reviews
Alaska Airlines
8.0
Very good
11,762 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Entertainment

7.0

Food

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

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 4h 24m. Alaska Airlines provides one of the quickest options available for as low as $481. Airlines will cover a distance of 769 mi. This flight may include one or multiple stops.

  • 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 - Grand Junction Regnl, Santa Rosa Sonoma County - Denver Intl is the most popular route from Santa Rosa to Colorado.

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

    On average you can expect to pay $389 for a flight from Santa Rosa to Colorado. The cheapest flight overall is $389 while the most popular route, (Santa Rosa Sonoma County - Denver Intl) is currently priced at $225.

  • 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, February is the cheapest month in which you can book a flight from Santa Rosa to Colorado (average of $28). Flying from Santa Rosa to Colorado in June is currently the most expensive (average of $106). 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.
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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 enero 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$262Average$476FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$278Average$526FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$389Average$419FlexibilityNo cancel feeOn-time63%

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