$149 Cheap Flights from Kalispell (FCA) to Santa Rosa (STS)

View $149 flight on Wed, Dec 10, 2025Opens in a new window

Popular airlines from Glacier Park Intl. Airport (FCA) to Santa Rosa, CA (STS-Sonoma County)

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Cheap Flights from Kalispell to Santa Rosa (FCA-STS)

Prices were available within the past 7 days and start at $149 for one-way flights and $298 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, Dec 11 - Mon, Dec 15
FCA
Kalispell
STS
Santa Rosa
$298 Roundtrip, found 3 days ago
$298
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, Dec 11 from Kalispell to Santa Rosa, returning Mon, Dec 15, priced at $298 found 3 days ago
Alaska Airlines
Fri, Jan 16 - Fri, Jan 23
FCA
Kalispell
STS
Santa Rosa
$322 Roundtrip, found 3 days ago
$322
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Fri, Jan 16 from Kalispell to Santa Rosa, returning Fri, Jan 23, priced at $322 found 3 days ago
Alaska Airlines
Thu, Dec 11 - Mon, Dec 15
FCA
Kalispell
STS
Santa Rosa
$322 Roundtrip, found 3 days ago
$322
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, Dec 11 from Kalispell to Santa Rosa, returning Mon, Dec 15, priced at $322 found 3 days ago
Alaska Airlines
Thu, Dec 11 - Mon, Dec 15
FCA
Kalispell
STS
Santa Rosa
$332 Roundtrip, found 3 days ago
$332
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, Dec 11 from Kalispell to Santa Rosa, returning Mon, Dec 15, priced at $332 found 3 days ago
Alaska Airlines
Thu, Dec 11 - Mon, Dec 15
FCA
Kalispell
STS
Santa Rosa
$332 Roundtrip, found 3 days ago
$332
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, Dec 11 from Kalispell to Santa Rosa, returning Mon, Dec 15, priced at $332 found 3 days ago
Alaska Airlines
Thu, Dec 11 - Mon, Dec 15
FCA
Kalispell
STS
Santa Rosa
$336 Roundtrip, found 3 days ago
$336
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, Dec 11 from Kalispell to Santa Rosa, returning Mon, Dec 15, priced at $336 found 3 days ago
Alaska Airlines
Thu, Dec 11 - Mon, Dec 15
FCA
Kalispell
STS
Santa Rosa
$337 Roundtrip, found 3 days ago
$337
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, Dec 11 from Kalispell to Santa Rosa, returning Mon, Dec 15, priced at $337 found 3 days ago
Alaska Airlines
Thu, Dec 11 - Mon, Dec 15
FCA
Kalispell
STS
Santa Rosa
$342 Roundtrip, found 3 days ago
$342
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Thu, Dec 11 from Kalispell to Santa Rosa, returning Mon, Dec 15, priced at $342 found 3 days ago
Alaska Airlines
Fri, Jan 16 - Fri, Jan 23
FCA
Kalispell
STS
Santa Rosa
$346 Roundtrip, found 3 days ago
$346
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Fri, Jan 16 from Kalispell to Santa Rosa, returning Fri, Jan 23, priced at $346 found 3 days ago
Hawaiian Airlines
Thu, Nov 13 - Sat, Nov 15
FCA
Kalispell
STS
Santa Rosa
$510 Roundtrip, found 5 hours ago
$510
Roundtrip
found 5 hours ago
Select Hawaiian Airlines flight, departing Thu, Nov 13 from Kalispell to Santa Rosa, returning Sat, Nov 15, priced at $510 found 5 hours ago

Frequently asked questions

How much does a flight from Glacier Park Intl. Airport (FCA) to Sonoma County Airport (STS) cost?
Secure a cheap one-way flight from $149 or cheap return flight from $298 from Glacier Park Intl. Airport (FCA) to Sonoma County Airport (STS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Glacier Park Intl. Airport (FCA) to Sonoma County Airport (STS)?
The cheapest month to fly from FCA to STS is December, when demand is low. Off-peak months are typically when better flight deals are available between these airports.
What is the cheapest airline that flies from Glacier Park Intl. Airport (FCA) to Sonoma County Airport (STS)?
To find the cheapest airline flying from FCA to STS, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Glacier Park Intl. Airport (FCA) to Sonoma County Airport (STS)?
There aren't any daily direct flights available from Glacier Park Intl. Airport (FCA) to Sonoma County Airport (STS). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from FCA to STS?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary depending 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 airline has the least delays from FCA to STS?
With 100% of flights typically landing on schedule, Avelo Airlines has the best on-time performance for nonstop flights from Glacier Park Intl. Airport (FCA) to Sonoma County Airport (STS). To keep track of your flight status and get notified about any changes, simply head to the Expedia App.
What is the best time to fly from Glacier Park Intl. Airport (FCA) to Sonoma County Airport (STS)?
To avoid potential delays on the Glacier Park Intl. Airport (FCA) to Sonoma County Airport (STS) route, aim to travel before 3 PM. Departures after this hour 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.
What airports do you fly into for Santa Rosa from Glacier Park Intl. Airport (FCA)?
Explore your flight options from Glacier Park Intl. Airport (FCA) to San Francisco Intl. Airport (SFO). This is the only Santa Rosa airport you can jet into if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Glacier Park Intl. Airport (FCA) to Sonoma County Airport (STS) last-minute?
Holding off until just before your departure to book a flight from FCA to STS generally means paying more. Although you may find some last-minute discounts, they aren't always guaranteed. Be flexible with your itinerary to maximize your chances of scoring a bargain.
Is it cheaper to book a FCA to STS flight and hotel package?
You can save money by securing a FCA to STS flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've chosen your ideal flights and accommodations, you can add extras such as car rentals, tours and activities.
Can I cancel or change the date of my flight from Glacier Park Intl. Airport (FCA) to Sonoma County Airport (STS)?
In most instances, you can reschedule or cancel your FCA to STS flight. However, additional charges may apply, especially if you made your booking more than 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you want more information, head to our Customer Service portal.

Travel information

Origin airport
Glacier Park Intl.
Destination airport
Sonoma County
Airlines serving
Alaska Airlines, Hawaiian Airlines
Roundtrip price
$298
Distance
800 mi

Book with confidence

Kalispell to Santa Rosa Flights

The cheapest times to fly from Kalispell to Santa Rosa

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 Kalispell to Santa Rosa are during the month of December. You can find some of the cheapest flights from Kalispell to Santa Rosa with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Kalispell to Santa Rosa

Sunday is one of the best days to book for cheap flights from Kalispell to Santa Rosa: 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 Kalispell to Santa Rosa

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 Kalispell to Santa Rosa in 2025. You can also book with separate airlines for your outbound and return journeys, from $149 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 Kalispell to Santa Rosa 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 Kalispell to Santa Rosa 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.

 

Kalispell to Santa Rosa Flights

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*Available to One Key members.