What are the cheapest airlines flying from Denver to Santa Rosa round-trip?

Cheapflights users have booked flights from Denver to Santa Rosa round-trip from $296. Another airline that can offer you cheap pricing is Alaska Airlines. These flights start at 39% lower than the current average price 3 months from now.

What is the cheapest day to fly from Denver to Santa Rosa?

Travelers seeking maximum savings on their Denver to Santa Rosa flight should consider departing on Tuesday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Santa Rosa ranges from 0.0 - 7.1 inches per month. January is typically the wettest month, when rainfall can reach 7.1 in. July is typically the driest time to visit Santa Rosa when rainfall is around 0.0 in.

If weather is an important factor for your trip to Santa Rosa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

What is the cheapest day to fly round-trip from Denver to Santa Rosa?

Wednesday flights are generally found to be more expensive for flights from Denver to Santa Rosa. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Santa Rosa.

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

To save on the cost of your flight from Denver to Santa Rosa, book at least 50 days before your planned departure. Booking around this time can save you about 78% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $183 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $338.

What is the cheapest month to fly from Denver to Santa Rosa?

Due to multiple factors, expect to potentially pay more when booking in July. For low rates, February can be a great choice for travel to Santa Rosa. Flights to Santa Rosa from Denver in February are about $215 on average during February, but can be found for as low as $56.

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

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

How can I find direct flights from Denver to Santa Rosa?

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

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

Yes. Cheapflights offers flight deals from Denver 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.

$134+ Cheap Flights from Denver to Santa Rosa

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Cheap flight deals from Denver to Santa Rosa

Round-trip from	$279 (Alaska Airlines)
One-way from	$134 (Trip.com)
Popular in	June
Cheapest in	March
Average price	$469

From Denver Intl to Santa Rosa Sonoma County

Search Deals

One-way flight from Denver Intl to Santa Rosa Sonoma County

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($78 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2025

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Find flight deals from Denver to Santa Rosa

Cheapest flights from Denver to Santa Rosa
Explore the most affordable flight options available from Denver to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Wed 9/178:00 amDEN - STS

1 stop6h 36mAlaska Airlines

Tue 9/232:28 pmSTS - DEN

1 stop6h 34mAlaska Airlines

Deal found 8/14

$279

Sun 10/57:50 pmDEN - STS

1 stop28h 27mAlaska Airlines

Wed 10/82:30 pmSTS - DEN

1 stop6h 16mAlaska Airlines

Deal found 8/12

$300

Tue 9/29:23 pmDEN - STS

1 stop17h 13mAlaska Airlines

Tue 9/97:03 amSTS - DEN

2 stops12h 24mAlaska Airlines

Deal found 8/12

$302

Fri 11/78:02 pmDEN - STS

2 stops13h 42mAlaska Airlines

Mon 11/107:46 pmSTS - DEN

1 stop27h 05mAlaska Airlines

Deal found 8/13

$306

Mon 9/156:17 pmDEN - STS

2 stops27h 06mAlaska Airlines

Wed 9/172:28 pmSTS - DEN

1 stop6h 34mAlaska Airlines

Deal found 8/13

$316

Mon 9/159:38 amDEN - STS

1 stop15h 12mMultiple Airlines

Fri 9/196:00 amSTS - DEN

1 stop6h 59mMultiple Airlines

Deal found 8/14

$326

Sun 9/289:38 amDEN - STS

1 stop7h 56mMultiple Airlines

Tue 9/302:28 pmSTS - DEN

1 stop6h 34mMultiple Airlines

Deal found 8/12

$327

Best flights from Denver to Santa Rosa
Discover carefully curated flight deals from Denver to Santa Rosa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 14, 2025.

Wed 9/178:00 amDEN - STS

1 stop6h 36mAlaska Airlines

Tue 9/232:28 pmSTS - DEN

1 stop6h 34mAlaska Airlines

Deal found 8/14

$279

Mon 9/159:38 amDEN - STS

1 stop15h 12mMultiple Airlines

Fri 9/196:00 amSTS - DEN

1 stop6h 59mMultiple Airlines

Deal found 8/14

$326

Sun 10/57:50 pmDEN - STS

1 stop28h 27mAlaska Airlines

Wed 10/82:30 pmSTS - DEN

1 stop6h 16mAlaska Airlines

Deal found 8/12

$300

Sun 9/289:38 amDEN - STS

1 stop7h 56mMultiple Airlines

Tue 9/302:28 pmSTS - DEN

1 stop6h 34mMultiple Airlines

Deal found 8/12

$327

Tue 9/29:23 pmDEN - STS

1 stop17h 13mAlaska Airlines

Tue 9/97:03 amSTS - DEN

2 stops12h 24mAlaska Airlines

Deal found 8/12

$302

Fri 11/78:02 pmDEN - STS

2 stops13h 42mAlaska Airlines

Mon 11/107:46 pmSTS - DEN

1 stop27h 05mAlaska Airlines

Deal found 8/13

$306

Mon 9/156:17 pmDEN - STS

2 stops27h 06mAlaska Airlines

Wed 9/172:28 pmSTS - DEN

1 stop6h 34mAlaska Airlines

Deal found 8/13

$316

Last-minute flights from Denver to Santa Rosa
Discover last-minute flight deals from Denver to Santa Rosa. Data last updated August 14, 2025 and is based on user searches.

Tue 9/29:23 pmDEN - STS

1 stop17h 13mAlaska Airlines

Tue 9/97:03 amSTS - DEN

2 stops12h 24mAlaska Airlines

Deal found 8/12

$302

Mon 9/156:17 pmDEN - STS

2 stops27h 06mAlaska Airlines

Wed 9/172:28 pmSTS - DEN

1 stop6h 34mAlaska Airlines

Deal found 8/13

$316

Mon 9/159:38 amDEN - STS

1 stop15h 12mMultiple Airlines

Fri 9/196:00 amSTS - DEN

1 stop6h 59mMultiple Airlines

Deal found 8/14

$326

Wed 9/178:00 amDEN - STS

1 stop6h 36mAlaska Airlines

Tue 9/232:28 pmSTS - DEN

1 stop6h 34mAlaska Airlines

Deal found 8/14

$279

Fri 9/266:17 pmDEN - STS

2 stops17h 57mAlaska Airlines

Mon 9/296:56 pmSTS - DEN

2 stops21h 25mAlaska Airlines

Deal found 8/14

$333

Sun 9/289:38 amDEN - STS

1 stop7h 56mMultiple Airlines

Tue 9/302:28 pmSTS - DEN

1 stop6h 34mMultiple Airlines

Deal found 8/12

$327

One-way flights from Denver to Santa Rosa
Search for one-way flight options from Denver to Santa Rosa. Find affordable one-way fares based on user searches. Data last updated August 14, 2025.

Wed 9/311:45 amDEN - STS

1 stop8h 27mMultiple Airlines

Deal found 8/12

$134

Wed 9/101:06 pmDEN - STS

1 stop8h 17mAlaska Airlines

Deal found 8/11

$139

Mon 9/86:00 pmDEN - STS

1 stop6h 59mAlaska Airlines

Deal found 8/11

$156

Wed 9/38:00 amDEN - STS

2 stops12h 12mAlaska Airlines

Deal found 8/12

$163

Tue 9/98:00 amDEN - STS

2 stops12h 12mAlaska Airlines

Deal found 8/11

$175

Thu 9/1111:40 amDEN - STS

2 stops13h 19mAlaska Airlines

Deal found 8/11

$180

Thu 9/411:40 amDEN - STS

2 stops13h 19mAlaska Airlines

Deal found 8/12

$182

Fri 9/267:33 pmDEN - STS

1 stop25h 50mAlaska Airlines

Deal found 8/13

$185

Fly from

Fly to

Route

Depart

Return

Price

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Wed 9/17

8:00 am-1:36 pm

1 stop6h 36m

Santa Rosa Sonoma County

Tue 9/23

2:28 pm-10:02 pm

1 stop6h 34m

$279

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Sun 10/5

7:50 pm-11:17 pm

1 stop28h 27m

Santa Rosa Sonoma County

Wed 10/8

2:30 pm-9:46 pm

1 stop6h 16m

$300

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Tue 9/2

9:23 pm-1:36 pm

1 stop17h 13m

Santa Rosa Sonoma County

Tue 9/9

7:03 am-8:27 pm

2 stops12h 24m

$302

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Fri 11/7

8:02 pm-8:44 am

2 stops13h 42m

Santa Rosa Sonoma County

Mon 11/10

7:46 pm-11:51 pm

1 stop27h 05m

$306

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Mon 9/15

6:17 pm-8:23 pm

2 stops27h 06m

Santa Rosa Sonoma County

Wed 9/17

2:28 pm-10:02 pm

1 stop6h 34m

$316

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Mon 9/15

9:38 am-11:50 pm

1 stop15h 12m

Santa Rosa Sonoma County

Fri 9/19

6:00 am-1:59 pm

1 stop6h 59m

$326

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Sun 9/28

9:38 am-4:34 pm

1 stop7h 56m

Santa Rosa Sonoma County

Tue 9/30

2:28 pm-10:02 pm

1 stop6h 34m

$327

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Wed 9/3

11:45 am-7:12 pm

1 stop8h 27m

$134

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Tue 9/9

3:02 pm-8:23 pm

1 stop6h 21m

$139

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Wed 9/10

3:02 pm-8:23 pm

1 stop6h 21m

$139

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 16 results

Best time to book a flight from Denver to Santa Rosa

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

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

Currently, February is the cheapest month in which you can book a flight from Denver to Santa Rosa (average of $202). Flying from Denver 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 DEN to STS?

When flying from Denver to Santa Rosa, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 15% versus a flight in the morning.

Reviews of airlines servicing Santa Rosa

Read through reviews of airlines operating flights from Denver to Santa Rosa, such as Alaska Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Aug 2025

BOI - LAX

flying in first class, my husband froze the entire flight and was miserable. first class does not offer blankets or any entertainment. (TV etc)

Related info for your journey

What are the cheapest airlines flying from Denver to Santa Rosa round-trip?
Cheapflights users have booked flights from Denver to Santa Rosa round-trip from $296. Another airline that can offer you cheap pricing is Alaska Airlines. These flights start at 39% lower than the current average price 3 months from now.
Can I find deals for flights from Denver to Santa Rosa that include hotel bookings?
Yes. In addition to deals on Denver to Santa Rosa flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Denver to Santa Rosa?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Denver to Santa Rosa.
Can I find deals for business class flights from Denver to Santa Rosa?
Yes. Cheapflights offers flight deals from Denver 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 Denver to Santa Rosa?
Currently, February is the cheapest month in which you can book a flight from Denver to Santa Rosa (average of $202). Flying from Denver 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

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Complete your trip

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Other flights to Santa Rosa

Top 2 airlines flying from Denver to Santa Rosa

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$296	Average$541	FlexibilityNo cancel fee	On-time71%
Alaska Airlines	Cheapest$302	Average$476	FlexibilityNo cancel fee	On-time75%

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$134+ Cheap flights from Denver to Santa Rosa (DEN - 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.

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Cheap flight deals from Denver to Santa Rosa

Round-trip from

One-way from

Popular in

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Average price

Find flight deals from Denver to Santa Rosa

Cheapest flights from Denver to Santa RosaExplore the most affordable flight options available from Denver to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Explore the most affordable flight options available from Denver to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Denver to Santa Rosa that are best for you.

Best time to book a flight from Denver to Santa Rosa

Have a flexible travel schedule? Discover the best time to fly to Santa Rosa from Denver with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Denver to Santa Rosa

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

What is the cheapest time of day to fly from DEN to STS?

Find hourly flight availability from Denver 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 August 14, 2025.

Reviews of airlines servicing Santa Rosa

Read through reviews of airlines operating flights from Denver to Santa Rosa, such as Alaska Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Denver 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 are the cheapest airlines flying from Denver to Santa Rosa round-trip?

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

How can I find direct flights from Denver to Santa Rosa?

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

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

Traveling to a place near Santa Rosa?

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Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Denver to Santa Rosa

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

Top 2 airlines flying from Denver to Santa Rosa

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Cheapest flights from Denver to Santa Rosa
Explore the most affordable flight options available from Denver to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.