What is the cheapest airline that flies from Santa Rosa Sonoma County to Colorado?

Alaska Airlines, Southwest, and American Airlines are the most popular carriers operating from Santa Rosa Sonoma County to Colorado

What airlines fly to Colorado?

Frontier, United Airlines and Southwest are the top three most popular airlines that fly to Colorado from Santa Rosa according to our data. Frontier is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Colorado. Keep in mind that there are 7 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Santa Rosa Sonoma County Airport to Colorado?

Prices for flights from Santa Rosa Sonoma County Airport to Colorado were last updated today.

How many operators does momondo search for flights from Santa Rosa Sonoma County Airport to Colorado?

There are 4 operators available for flights from Santa Rosa Sonoma County Airport to Colorado as of October 2026.

How old do you have to be to fly from Santa Rosa Sonoma County Airport to Colorado?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Santa Rosa Sonoma County Airport to Colorado.

What documentation or ID do you need to fly to Colorado?

The travel and health documents required for your trip to Colorado can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Colorado. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$114 Cheap Flights from Santa Rosa to Colorado in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Santa Rosa to Colorado

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:40 am - 3:16 pmSTS Santa Rosa Sonoma County-DEN Denver Intl

7h 36m1 stop Seattle/Tacoma Intl

11:33 am - 4:05 pmDEN Denver Intl-STS Santa Rosa Sonoma County

5h 32m1 stop Portland

$214Alaska Airlines

Wed, Dec 9 - Wed, Dec 16

6:45 am - 4:25 pmSTS Santa Rosa Sonoma County-DEN Denver Intl

8h 40m2 stops San Diego Phoenix Sky Harbor Intl

6:05 am - 12:15 pmDEN Denver Intl-STS Santa Rosa Sonoma County

7h 10m1 stop Las Vegas Harry Reid Intl

$232Southwest

Wed, Dec 9 - Wed, Dec 16

2:35 pm - 10:25 pmSTS Santa Rosa Sonoma County-DEN Denver Intl

6h 50m2 stops Las Vegas Harry Reid Intl Phoenix Sky Harbor Intl

2:25 pm - 9:30 pmDEN Denver Intl-STS Santa Rosa Sonoma County

8h 05m2 stops Phoenix Sky Harbor Intl San Diego

$237Southwest

Wed, Dec 9 - Wed, Dec 16

8:40 am - 8:25 pmSTS Santa Rosa Sonoma County-DEN Denver Intl

10h 45m1 stop San Diego

2:28 pm - 9:48 amDEN Denver Intl-STS Santa Rosa Sonoma County

20h 20m1 stop San Diego

$247Multiple Airlines

Tue, Nov 10 - Wed, Nov 18

4:47 pm - 11:09 pmSTS Santa Rosa Sonoma County-DEN Denver Intl

5h 22m1 stop Salt Lake City

10:50 am - 4:06 pmDEN Denver Intl-STS Santa Rosa Sonoma County

6h 16m1 stop Salt Lake City

$256Delta

Fri, Nov 13 - Sat, Nov 14

4:50 pm - 12:45 amSTS Santa Rosa Sonoma County-DEN Denver Intl

6h 55m1 stop San Diego

4:55 pm - 10:40 pmDEN Denver Intl-STS Santa Rosa Sonoma County

6h 45m2 stops Tucson San Diego

$274Southwest

Fri, Oct 30 - Mon, Nov 2

7:20 pm - 12:47 pmSTS Santa Rosa Sonoma County-DEN Denver Intl

16h 27m1 stop San Diego

8:28 am - 10:57 pmDEN Denver Intl-STS Santa Rosa Sonoma County

15h 29m1 stop San Diego

$303Alaska Airlines

Fri, Feb 5 - Tue, Feb 9

2:12 pm - 10:15 pmSTS Santa Rosa Sonoma County-DEN Denver Intl

7h 03m1 stop San Diego

1:45 pm - 10:57 pmDEN Denver Intl-STS Santa Rosa Sonoma County

10h 12m1 stop San Diego

$303Alaska Airlines

Wed, Feb 3 - Tue, Feb 9

1:24 pm - 7:22 pmSTS Santa Rosa Sonoma County-DEN Denver Intl

4h 58m1 stop Phoenix Sky Harbor Intl

11:56 am - 3:55 pmDEN Denver Intl-STS Santa Rosa Sonoma County

4h 59m1 stop Phoenix Sky Harbor Intl

$333American Airlines

Wed, Nov 18 - Tue, Nov 24

1:18 pm - 9:57 pmSTS Santa Rosa Sonoma County-DEN Denver Intl

7h 39m1 stop Phoenix Sky Harbor Intl

6:55 pm - 12:06 amDEN Denver Intl-STS Santa Rosa Sonoma County

6h 11m1 stop Phoenix Sky Harbor Intl

$333American Airlines

Fri, Dec 11 - Thu, Dec 17

Cheap last minute flights

Enter your travel dates to find the best prices.

4:23 pm - 9:59 pmSTS Santa Rosa Sonoma County-DEN Denver Intl

4h 36m1 stop Phoenix Sky Harbor Intl

8:05 am - 12:40 pmDEN Denver Intl-STS Santa Rosa Sonoma County

5h 35m1 stop Phoenix Sky Harbor Intl

$401American Airlines

Wed, Oct 14 - Sat, Oct 17

1:10 pm - 9:59 pmSTS Santa Rosa Sonoma County-DEN Denver Intl

7h 49m1 stop Phoenix Sky Harbor Intl

6:00 am - 12:40 pmDEN Denver Intl-STS Santa Rosa Sonoma County

7h 40m1 stop Phoenix Sky Harbor Intl

$401American Airlines

Sat, Oct 17 - Tue, Oct 20

1:10 pm - 9:59 pmSTS Santa Rosa Sonoma County-DEN Denver Intl

7h 49m1 stop Phoenix Sky Harbor Intl

6:00 am - 12:40 pmDEN Denver Intl-STS Santa Rosa Sonoma County

7h 40m1 stop Phoenix Sky Harbor Intl

$401American Airlines

Sat, Oct 17 - Sat, Oct 24

3:10 pm - 8:30 pmSTS Santa Rosa Sonoma County-DEN Denver Intl

4h 20m1 stop Las Vegas Harry Reid Intl

6:10 pm - 11:20 pmDEN Denver Intl-STS Santa Rosa Sonoma County

6h 10m1 stop San Diego

$453Southwest

Thu, Oct 15 - Mon, Oct 19

3:05 pm - 9:45 pmSTS Santa Rosa Sonoma County-DEN Denver Intl

5h 40m1 stop Las Vegas Harry Reid Intl

6:10 pm - 11:20 pmDEN Denver Intl-STS Santa Rosa Sonoma County

6h 10m1 stop San Diego

$453Southwest

Sat, Oct 17 - Mon, Oct 19

4:35 pm - 11:59 pmSTS Santa Rosa Sonoma County-DEN Denver Intl

6h 24m1 stop San Diego

6:59 pm - 9:59 amDEN Denver Intl-STS Santa Rosa Sonoma County

16h 00m1 stop San Diego

$453Alaska Airlines

Mon, Oct 19 - Fri, Oct 23

4:35 pm - 11:59 pmSTS Santa Rosa Sonoma County-DEN Denver Intl

6h 24m1 stop San Diego

12:31 pm - 11:00 pmDEN Denver Intl-STS Santa Rosa Sonoma County

11h 29m1 stop San Diego

$453Alaska Airlines

Mon, Oct 19 - Fri, Oct 23

4:49 pm - 10:40 pmSTS Santa Rosa Sonoma County-DEN Denver Intl

4h 51m1 stop Salt Lake City

5:25 am - 10:41 amDEN Denver Intl-STS Santa Rosa Sonoma County

6h 16m1 stop Salt Lake City

$453Delta

Mon, Oct 19 - Fri, Oct 23

4:49 pm - 10:40 pmSTS Santa Rosa Sonoma County-DEN Denver Intl

4h 51m1 stop Salt Lake City

10:45 am - 4:05 pmDEN Denver Intl-STS Santa Rosa Sonoma County

6h 20m1 stop Salt Lake City

$453Delta

Mon, Oct 19 - Tue, Oct 20

4:35 pm - 11:59 pmSTS Santa Rosa Sonoma County-DEN Denver Intl

6h 24m1 stop San Diego

9:45 am - 2:52 pmDEN Denver Intl-STS Santa Rosa Sonoma County

6h 07m1 stop San Diego

$453Alaska Airlines

Mon, Oct 19 - Wed, Oct 21

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Alaska Airlines flights from Santa Rosa to Colorado

Our best Alaska Airlines deals on Santa Rosa to Colorado flight tickets

Alaska Airlines

Dec 9

STS6:40 amSanta Rosa Sonoma County

7h 36m

1 stop

DEN3:16 pmDenver Intl

Dec 16

DEN11:33 amDenver Intl

5h 32m

1 stop

STS4:05 pmSanta Rosa Sonoma County

$214

Alaska Airlines

Nov 10

STS1:26 pmSanta Rosa Sonoma County

22h 31m

1 stop

DEN12:57 pmDenver Intl

Nov 17

DEN8:20 amDenver Intl

7h 44m

1 stop

STS3:04 pmSanta Rosa Sonoma County

$303

Alaska Airlines

Dec 9

STS3:18 pmSanta Rosa Sonoma County

7h 33m

1 stop

DEN11:51 pmDenver Intl

Dec 16

DEN11:33 amDenver Intl

5h 32m

1 stop

STS4:05 pmSanta Rosa Sonoma County

$312

Southwest flights from Santa Rosa to Colorado

Our best Southwest deals on Santa Rosa to Colorado flight tickets

Southwest

Dec 9

STS6:45 amSanta Rosa Sonoma County

8h 40m

2 stops

DEN4:25 pmDenver Intl

Dec 16

DEN6:05 amDenver Intl

7h 10m

1 stop

STS12:15 pmSanta Rosa Sonoma County

$232

Southwest

Dec 9

STS2:35 pmSanta Rosa Sonoma County

6h 50m

2 stops

DEN10:25 pmDenver Intl

Dec 16

DEN2:25 pmDenver Intl

8h 05m

2 stops

STS9:30 pmSanta Rosa Sonoma County

$237

Southwest

Oct 30

STS3:10 pmSanta Rosa Sonoma County

8h 40m

2 stops

DEN12:50 amDenver Intl

Nov 2

DEN4:55 pmDenver Intl

6h 45m

2 stops

STS10:40 pmSanta Rosa Sonoma County

$279

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Santa RosaDenver

STS Santa Rosa Sonoma County - DEN Denver Intl

STSDEN

Santa Rosa Sonoma County

Wed 12/9

6:40 am-3:16 pm

1 stop7h 36m

Denver Intl

Wed 12/16

11:33 am-4:05 pm

1 stop5h 32m

$214

Santa RosaDenver

STS Santa Rosa Sonoma County - DEN Denver Intl

STSDEN

Santa Rosa Sonoma County

Wed 12/9

6:45 am-4:25 pm

2 stops8h 40m

Denver Intl

Wed 12/16

6:05 am-12:15 pm

1 stop7h 10m

$232

Santa RosaDenver

STS Santa Rosa Sonoma County - DEN Denver Intl

STSDEN

Santa Rosa Sonoma County

Wed 12/9

2:35 pm-10:25 pm

2 stops6h 50m

Denver Intl

Wed 12/16

2:25 pm-9:30 pm

2 stops8h 05m

$237

Santa RosaDenver

STS Santa Rosa Sonoma County - DEN Denver Intl

STSDEN

Santa Rosa Sonoma County

Tue 11/10

8:40 am-8:25 pm

1 stop10h 45m

Denver Intl

Wed 11/18

2:28 pm-9:48 am

1 stop20h 20m

$247

Santa RosaDenver

STS Santa Rosa Sonoma County - DEN Denver Intl

STSDEN

Santa Rosa Sonoma County

Fri 11/13

4:47 pm-11:09 pm

1 stop5h 22m

Denver Intl

Sat 11/14

10:50 am-4:06 pm

1 stop6h 16m

$256

Santa RosaDenver

STS Santa Rosa Sonoma County - DEN Denver Intl

STSDEN

Santa Rosa Sonoma County

Fri 10/30

4:50 pm-12:45 am

1 stop6h 55m

Denver Intl

Mon 11/2

4:55 pm-10:40 pm

2 stops6h 45m

$274

Santa RosaDenver

STS Santa Rosa Sonoma County - DEN Denver Intl

STSDEN

Santa Rosa Sonoma County

Fri 2/5

7:20 pm-12:47 pm

1 stop16h 27m

Denver Intl

Tue 2/9

8:28 am-10:57 pm

1 stop15h 29m

$303

Santa RosaDenver

STS Santa Rosa Sonoma County - DEN Denver Intl

STSDEN

Santa Rosa Sonoma County

Wed 2/3

2:12 pm-10:15 pm

1 stop7h 03m

Denver Intl

Tue 2/9

1:45 pm-10:57 pm

1 stop10h 12m

$303

Quickest round-trip

Santa RosaDenver

STS Santa Rosa Sonoma County - DEN Denver Intl

STSDEN

Santa Rosa Sonoma County

Wed 11/18

1:24 pm-7:22 pm

1 stop4h 58m

Denver Intl

Tue 11/24

11:56 am-3:55 pm

1 stop4h 59m

$333

Santa RosaDenver

STS Santa Rosa Sonoma County - DEN Denver Intl

STSDEN

Santa Rosa Sonoma County

Fri 12/11

1:18 pm-9:57 pm

1 stop7h 39m

Denver Intl

Thu 12/17

6:55 pm-12:06 am

1 stop6h 11m

$333

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Santa Rosa to Colorado

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Colorado?

The month of March is, on average, the cheapest month to fly to Colorado from Santa Rosa, with most prices found around $249. The month of February is another great option to travel to Colorado, with average flight prices from Santa Rosa averaging around $345.

What is the cheapest day to depart on your flight to Colorado?

The cheapest day to depart from Santa Rosa to Colorado is on a Friday when prices can be found for as low as $425. On the other hand, Sunday is the most expensive day to depart from Santa Rosa because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $709.

What is the cheapest time of day to depart on your flight to Colorado?

The cheapest time of day to fly to Colorado is in the morning when flights can be purchased for as low as $396. At noon is when there is more demand to fly to Colorado, so prices are often more expensive at around $454 per ticket.

What is the cheapest Santa Rosa Sonoma County to Colorado flight route?

Fly from Santa Rosa Sonoma County to Denver Intl for the best Santa Rosa Sonoma County - Colorado flight prices

How far in advance should I book a flight from Santa Rosa to Colorado?

You are more likely to see cheaper flights to Colorado from Santa Rosa when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around $403 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from Santa Rosa for as low as $354 on momondo.

What cabin class options are available on Santa Rosa to Colorado flights?

There is only 1 cabin class available to choose from on Santa Rosa to Colorado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Santa Rosa to Colorado flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Santa Rosa to Colorado

Best Price Found	$114
Fastest flight time	2h 30m
Direct flights	Every day
Airports in Colorado	87 airports

The best one-way flight to Colorado from Santa Rosa in the past 72 hours is $114. The best round-trip flight deal from Santa Rosa to Colorado found on momondo in the last 72 hours is $214.

The fastest flight from Santa Rosa to Colorado takes 2h 30m

Direct flights go from Santa Rosa to Colorado every day.

There are 87 airports in Colorado. From Santa Rosa there are direct flights to Denver Intl (DEN).

Search flight deals

Frequently asked questions about flying from Santa Rosa to Colorado

When did momondo last update prices for flights from Santa Rosa Sonoma County Airport to Colorado?
Prices for flights from Santa Rosa Sonoma County Airport to Colorado were last updated today.
How many operators does momondo search for flights from Santa Rosa Sonoma County Airport to Colorado?
There are 4 operators available for flights from Santa Rosa Sonoma County Airport to Colorado as of October 2026.
How old do you have to be to fly from Santa Rosa Sonoma County Airport to Colorado?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Santa Rosa Sonoma County Airport to Colorado.
What documentation or ID do you need to fly to Colorado?
The travel and health documents required for your trip to Colorado can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Colorado. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Santa Rosa to Colorado?
momondo data reveals that the most frequently booked plane model on the route from Santa Rosa to Colorado is Airbus A321neo, representing 32.69% of all bookings. The subsequent popular models are Airbus A320neo at 23.08%, Airbus A321-100/200 at 13.46%, and Boeing 737 MAX 8 at 9.62%.

Best airlines flying from Santa Rosa to Colorado

Compare and see reviews for airlines that fly from Santa Rosa to Colorado with momondo

Airline	Rating	Free Cancellation	Price
Frontier	PriceFrom $67	Free Cancellation	Rating 5.5 2,542 reviews	Search Frontier flights
American Airlines	PriceFrom $196	Free Cancellation	Rating 7.0 12,158 reviews	Search American Airlines flights
Southwest	PriceFrom $226	Free Cancellation	Rating 7.9 4,216 reviews	Search Southwest flights
Alaska Airlines	PriceFrom $240	Free Cancellation	Rating 7.9 13,057 reviews	Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Santa Rosa to Colorado?

It is quick and easy to find Santa Rosa to Colorado flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Colorado that suits you.

Can I find flights from Santa Rosa to Colorado with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Colorado from Santa Rosa with this policy.

How can momondo help me find flights from Santa Rosa to Colorado?

momondo provides multiple filters to help you find the best flight to Colorado from Santa Rosa. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Santa Rosa to Colorado right now. Can momondo alert me if prices change?

Price alerts on flights to Colorado from Santa Rosa are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.