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Cheap flights from Denver to San Francisco from $143

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Denver to San Francisco departing on 9/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Denver to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
8:20 am - 10:33 pm
DEN
-
STS
15h 13m
1 stop
Alaska Airlines Logo
6:40 am - 7:19 pm
STS
-
DEN
11h 39m
1 stop
$263Alaska Airlines
Tue, Nov 17 - Wed, Nov 18
Alaska Airlines Logo
8:20 am - 10:33 pm
DEN
-
STS
15h 13m
1 stop
Alaska Airlines Logo
6:40 am - 7:19 pm
STS
-
DEN
11h 39m
1 stop
$275Alaska Airlines
Tue, Nov 17 - Wed, Nov 18
Alaska Airlines Logo
8:20 am - 10:33 pm
DEN
-
STS
15h 13m
1 stop
Alaska Airlines Logo
6:40 am - 7:19 pm
STS
-
DEN
11h 39m
1 stop
$283Alaska Airlines
Tue, Nov 17 - Wed, Nov 18
Southwest Logo
9:20 am - 11:00 am
DEN
-
STS
2h 40mnonstop
Southwest Logo
12:45 pm - 4:15 pm
STS
-
DEN
2h 30mnonstop
$291Southwest
Sat, Aug 22 - Sat, Aug 29
Alaska Airlines Logo
6:17 am - 11:54 pm
DEN
-
STS
18h 37m
1 stop
Alaska Airlines Logo
6:47 pm - 12:20 pm
STS
-
DEN
16h 33m
1 stop
$293Alaska Airlines
Thu, Aug 27 - Mon, Aug 31
Alaska Airlines Logo
6:17 am - 11:54 pm
DEN
-
STS
18h 37m
1 stop
Alaska Airlines Logo
6:13 am - 11:44 pm
STS
-
DEN
16h 31m
1 stop
$295Alaska Airlines
Thu, Sep 3 - Mon, Sep 7
Alaska Airlines Logo
6:17 am - 11:54 pm
DEN
-
STS
18h 37m
1 stop
Alaska Airlines Logo
6:13 am - 12:20 pm
STS
-
DEN
5h 07m
1 stop
$299Alaska Airlines
Tue, Aug 25 - Fri, Aug 28
Southwest Logo
2:55 pm - 7:50 pm
DEN
-
STS
5h 55m
1 stop
Southwest Logo
12:45 pm - 4:15 pm
STS
-
DEN
2h 30mnonstop
$301Southwest
Sat, Aug 22 - Sat, Aug 29
Alaska Airlines Logo
1:43 pm - 11:54 pm
DEN
-
STS
11h 11m
1 stop
Alaska Airlines Logo
6:13 am - 12:20 pm
STS
-
DEN
5h 07m
1 stop
$303Alaska Airlines
Tue, Aug 25 - Fri, Aug 28
Southwest Logo
12:25 pm - 7:50 pm
DEN
-
STS
8h 25m
2 stops
Southwest Logo
12:45 pm - 4:15 pm
STS
-
DEN
2h 30mnonstop
$306Southwest
Sat, Aug 22 - Sat, Aug 29

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Alaska Airlines flights from Denver to Santa Rosa

Our best Alaska Airlines deals on Denver to Santa Rosa flight tickets
Alaska Airlines
Nov 17
DEN8:20 amDenver Intl
15h 13m
1 stop
STS10:33 pmSanta Rosa Sonoma County
Nov 18
STS6:40 amSanta Rosa Sonoma County
11h 39m
1 stop
DEN7:19 pmDenver Intl
$263
Alaska Airlines
Nov 17
DEN8:20 amDenver Intl
15h 13m
1 stop
STS10:33 pmSanta Rosa Sonoma County
Nov 18
STS6:40 amSanta Rosa Sonoma County
11h 39m
1 stop
DEN7:19 pmDenver Intl
$275
Alaska Airlines
Nov 17
DEN8:20 amDenver Intl
15h 13m
1 stop
STS10:33 pmSanta Rosa Sonoma County
Nov 18
STS6:40 amSanta Rosa Sonoma County
11h 39m
1 stop
DEN7:19 pmDenver Intl
$283

Southwest flights from Denver to Santa Rosa

Our best Southwest deals on Denver to Santa Rosa flight tickets
Southwest
Aug 22
DEN9:20 amDenver Intl
2h 40m
STS11:00 amSanta Rosa Sonoma County
Aug 29
STS12:45 pmSanta Rosa Sonoma County
2h 30m
DEN4:15 pmDenver Intl
$291
Southwest
Aug 22
DEN2:55 pmDenver Intl
5h 55m
1 stop
STS7:50 pmSanta Rosa Sonoma County
Aug 29
STS12:45 pmSanta Rosa Sonoma County
2h 30m
DEN4:15 pmDenver Intl
$301
Southwest
Aug 22
DEN12:25 pmDenver Intl
8h 25m
2 stops
STS7:50 pmSanta Rosa Sonoma County
Aug 29
STS12:45 pmSanta Rosa Sonoma County
2h 30m
DEN4:15 pmDenver Intl
$306

momondo Fare Finder

 
Customize your flight search to find flights from Denver 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, momondo users made 832,500 searches. Data last updated June 23, 2026.
Use the filters below to find and compare flights from Denver to Santa Rosa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Tue 11/17

8:20 am-10:33 pm

1 stop15h 13m

Santa Rosa Sonoma County

Wed 11/18

6:40 am-7:19 pm

1 stop11h 39m

$263

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Tue 11/17

8:20 am-10:33 pm

1 stop15h 13m

Santa Rosa Sonoma County

Wed 11/18

6:40 am-7:19 pm

1 stop11h 39m

$275

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Tue 11/17

8:20 am-10:33 pm

1 stop15h 13m

Santa Rosa Sonoma County

Wed 11/18

6:40 am-7:19 pm

1 stop11h 39m

$283
Quickest round-trip

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Sat 8/22

9:20 am-11:00 am

Nonstop2h 40m

Santa Rosa Sonoma County

Sat 8/29

12:45 pm-4:15 pm

Nonstop2h 30m

$291

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Thu 8/27

6:17 am-11:54 pm

1 stop18h 37m

Santa Rosa Sonoma County

Mon 8/31

6:47 pm-12:20 pm

1 stop16h 33m

$293

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Thu 9/3

6:17 am-11:54 pm

1 stop18h 37m

Santa Rosa Sonoma County

Mon 9/7

6:13 am-11:44 pm

1 stop16h 31m

$295

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Tue 8/25

6:17 am-11:54 pm

1 stop18h 37m

Santa Rosa Sonoma County

Fri 8/28

6:13 am-12:20 pm

1 stop5h 07m

$299

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Sat 8/22

2:55 pm-7:50 pm

1 stop5h 55m

Santa Rosa Sonoma County

Sat 8/29

12:45 pm-4:15 pm

Nonstop2h 30m

$301

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Tue 8/25

1:43 pm-11:54 pm

1 stop11h 11m

Santa Rosa Sonoma County

Fri 8/28

6:13 am-12:20 pm

1 stop5h 07m

$303

DenverSanta Rosa

DEN - STS

DENSTS

Denver Intl

Sat 8/22

12:25 pm-7:50 pm

2 stops8h 25m

Santa Rosa Sonoma County

Sat 8/29

12:45 pm-4:15 pm

Nonstop2h 30m

$306

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Francisco from

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

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

What is the typical price of a round-trip flight between Denver and Santa Rosa?

What is the cheapest month to fly to Santa Rosa?

If you are unable to visit Santa Rosa during the month of March, then departing from Denver during the month December is also very affordable. Most momondo users find prices during this month for around $316.

What is the cheapest day to depart on your flight to Santa Rosa?

Our data shows that Saturday is the least expensive day to fly to Santa Rosa. Tickets to fly out on this day can be as low as $403. On the other hand, Thursday is the most expensive day to depart from Denver because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $551.

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

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

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

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

Can stopping save me money on Denver to Santa Rosa flights?

No. A direct flight is the cheapest option for a flight between Denver to Santa Rosa.

How have Denver to Santa Rosa flight prices changed over time?

As of June 2026, prices for Denver to Santa Rosa flights are approximately 62% cheaper when compared to flights at the same time last year.

When to book flights from Denver to Santa Rosa

Are you open to changing your travel dates? Check out the ideal times to fly from Denver to Santa Rosa according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Denver to Santa Rosa (DEN to STS) flight deals and tips

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

Best Price Found

$399

Fastest flight time

2h 40m

Direct flights

Mon, Tue, Fri, Sat and Sun

Airports in Santa Rosa

1 airport
The best flight deal from Denver to Santa Rosa found on momondo in the last 72 hours is $399
The fastest flight from Denver to Santa Rosa takes 2h 40m
Direct flights go from Denver to Santa Rosa on Monday, Tuesday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport in Santa Rosa. From Denver there are direct flights to Santa Rosa Sonoma County (STS).
Search flight deals

Frequently asked questions about flying from Denver to Santa Rosa

  • How far is Denver Intl to Santa Rosa Sonoma County by plane?

    The straight-line distance from Denver Intl to Santa Rosa Sonoma County is 952.8 mi. Flights usually cover this in 2h 40m, depending on flying conditions and air traffic around both airports.

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

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

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

  • How old do you have to be to fly from Denver Intl Airport to Santa Rosa Sonoma County Airport?

    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 Denver Intl Airport to Santa Rosa Sonoma County Airport.

  • What documentation or ID do you need to fly to Santa Rosa Sonoma County Airport?

    The necessary travel and health documents for your Santa Rosa Sonoma County Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Denver to Santa Rosa?

  • What is the most popular airline from Denver to Santa Rosa?

Best airlines flying from Denver to Santa Rosa

Compare and see reviews for airlines that fly from Denver to Santa Rosa with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $271Free CancellationRating
7.9
12,564 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $305Free CancellationRating
7.9
4,242 reviews
Search Southwest flights
American AirlinesPriceFrom $316Free CancellationRating
7.1
11,746 reviews
Search American Airlines flights

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Fort Bragg
Mendocino
Ukiah
Little River
Point Arena

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Denver to Santa Rosa. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Denver to Santa Rosa flights to just show those with flexible booking policies.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Santa Rosa from Denver.

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

Of course. momondo tracks the price of Denver to Santa Rosa flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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