$180 Cheap Flights from Santa Rosa (STS) to Colorado Springs (COS)

View $180 flight on Tue, Apr 21, 2026Opens in a new window

Popular airlines from Santa Rosa, CA (STS-Sonoma County) to Colorado Springs Airport (COS)

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Cheap Flights from Santa Rosa to Colorado Springs (STS-COS)

Prices were available within the past 7 days and start at $180 for one-way flights and $429 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Nov 13 - Wed, Nov 19
STS
Santa Rosa
COS
Colorado Springs
$429 Roundtrip, found 5 days ago
$429
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Nov 13 from Santa Rosa to Colorado Springs, returning Wed, Nov 19, priced at $429 found 5 days ago
American Airlines
Sat, Nov 1 - Tue, Nov 4
STS
Santa Rosa
COS
Colorado Springs
$444 Roundtrip, found 1 day ago
$444
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Nov 1 from Santa Rosa to Colorado Springs, returning Tue, Nov 4, priced at $444 found 1 day ago
American Airlines
Sat, Nov 1 - Mon, Nov 3
STS
Santa Rosa
COS
Colorado Springs
$464 Roundtrip, found 1 day ago
$464
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, Nov 1 from Santa Rosa to Colorado Springs, returning Mon, Nov 3, priced at $464 found 1 day ago
American Airlines
Thu, Nov 13 - Thu, Nov 20
STS
Santa Rosa
COS
Colorado Springs
$469 Roundtrip, found 5 days ago
$469
Roundtrip
found 5 days ago
Select American Airlines flight, departing Thu, Nov 13 from Santa Rosa to Colorado Springs, returning Thu, Nov 20, priced at $469 found 5 days ago
American Airlines
Thu, Dec 11 - Sun, Dec 14
STS
Santa Rosa
COS
Colorado Springs
$479 Roundtrip, found 4 days ago
$479
Roundtrip
found 4 days ago
Select American Airlines flight, departing Thu, Dec 11 from Santa Rosa to Colorado Springs, returning Sun, Dec 14, priced at $479 found 4 days ago
American Airlines
Mon, Oct 20 - Sat, Oct 25
STS
Santa Rosa
COS
Colorado Springs
$484 Roundtrip, found 6 days ago
$484
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Oct 20 from Santa Rosa to Colorado Springs, returning Sat, Oct 25, priced at $484 found 6 days ago
American Airlines
Mon, Oct 20 - Tue, Oct 21
STS
Santa Rosa
COS
Colorado Springs
$489 Roundtrip, found 6 days ago
$489
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Oct 20 from Santa Rosa to Colorado Springs, returning Tue, Oct 21, priced at $489 found 6 days ago
American Airlines
Thu, Nov 13 - Mon, Nov 24
STS
Santa Rosa
COS
Colorado Springs
$495 Roundtrip, found 6 days ago
$495
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Nov 13 from Santa Rosa to Colorado Springs, returning Mon, Nov 24, priced at $495 found 6 days ago
American Airlines
Mon, Oct 20 - Sat, Nov 1
STS
Santa Rosa
COS
Colorado Springs
$499 Roundtrip, found 6 days ago
$499
Roundtrip
found 6 days ago
Select American Airlines flight, departing Mon, Oct 20 from Santa Rosa to Colorado Springs, returning Sat, Nov 1, priced at $499 found 6 days ago
American Airlines
Sun, Dec 14 - Mon, Dec 15
STS
Santa Rosa
COS
Colorado Springs
$500 Roundtrip, found 4 days ago
$500
Roundtrip
found 4 days ago
Select American Airlines flight, departing Sun, Dec 14 from Santa Rosa to Colorado Springs, returning Mon, Dec 15, priced at $500 found 4 days ago

Frequently asked questions

How much does a flight from Sonoma County Airport (STS) to Colorado Springs Airport (COS) cost?
Get a cheap one-way flight from $180 or cheap return flight from $429 from Sonoma County Airport (STS) to Colorado Springs Airport (COS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Sonoma County Airport (STS) to Colorado Springs Airport (COS)?
The cheapest month to fly from STS to COS is November, when demand is low. Off-peak months are often when you'll find lower airfares between these airports.
What is the cheapest airline that flies from Sonoma County Airport (STS) to Colorado Springs Airport (COS)?
Expedia's filter tool lets you easily compare airlines, flight times and baggage options all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest STS to COS flight.
How many flights per day from Sonoma County Airport (STS) to Colorado Springs Airport (COS)?
There aren't any daily nonstop flights departing from Sonoma County Airport (STS) to Colorado Springs Airport (COS). But you can choose flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from STS to COS?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Remember that flight schedules can change based on a number of factors, such as the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sonoma County Airport (STS) to Colorado Springs Airport (COS)?
To avoid possible delays on the Sonoma County Airport (STS) to Colorado Springs Airport (COS) route, travel before 3 PM. Departures after this time have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Sonoma County Airport (STS) to Colorado Springs Airport (COS) last-minute?
Waiting until just before your departure to book a flight from STS to COS often results in higher prices. While it's possible to find some last-minute deals, they aren't always guaranteed. Keep your travel plans flexible to boost your chances of snagging a bargain.
Is it cheaper to book a STS to COS flight and hotel package?
You'll generally save money by securing a STS to COS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. Once you've selected your preferred accommodations and flights, consider adding extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Sonoma County Airport (STS) to Colorado Springs Airport (COS)?
You can usually cancel or reschedule your STS to COS flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Travel information

Origin airport
Sonoma County
Destination airport
Colorado Springs
Roundtrip price
$428
Distance
975 mi

Book with confidence

Book with confidence

Santa Rosa to Colorado Springs Flights

The cheapest times to fly from Santa Rosa to Colorado Springs

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Santa Rosa to Colorado Springs are during the month of November. You can find some of the cheapest flights from Santa Rosa to Colorado Springs with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Santa Rosa to Colorado Springs

Sunday is one of the best days to book for cheap flights from Santa Rosa to Colorado Springs: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Santa Rosa to Colorado Springs

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Santa Rosa to Colorado Springs in 2025. You can also book with separate airlines for your outbound and return journeys, from $180 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Santa Rosa to Colorado Springs flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Santa Rosa to Colorado Springs airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Santa Rosa to Colorado Springs Flights

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*Available to One Key members.