$152 Cheap Flights from Santa Rosa (STS) to Kalispell (FCA)

View $152 flight on Tue, Sep 30, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $152 for one-way flights and $302 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Tue, Sep 30 - Sat, Oct 11
STS
Santa Rosa
FCA
Kalispell
$302 Roundtrip, found 8 hours ago
$302
Roundtrip
found 8 hours ago
Select Hawaiian Airlines flight, departing Tue, Sep 30 from Santa Rosa to Kalispell, returning Sat, Oct 11, priced at $302 found 8 hours ago
Hawaiian Airlines
Wed, Oct 29 - Wed, Nov 12
STS
Santa Rosa
FCA
Kalispell
$304 Roundtrip, found 8 hours ago
$304
Roundtrip
found 8 hours ago
Select Hawaiian Airlines flight, departing Wed, Oct 29 from Santa Rosa to Kalispell, returning Wed, Nov 12, priced at $304 found 8 hours ago
Alaska Airlines
Tue, Oct 14 - Sat, Nov 1
STS
Santa Rosa
FCA
Kalispell
$304 Roundtrip, found 8 hours ago
$304
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Tue, Oct 14 from Santa Rosa to Kalispell, returning Sat, Nov 1, priced at $304 found 8 hours ago
Hawaiian Airlines
Sat, Oct 18 - Sat, Nov 1
STS
Santa Rosa
FCA
Kalispell
$308 Roundtrip, found 4 days ago
$308
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Sat, Oct 18 from Santa Rosa to Kalispell, returning Sat, Nov 1, priced at $308 found 4 days ago
Hawaiian Airlines
Sat, Sep 27 - Sat, Oct 11
STS
Santa Rosa
FCA
Kalispell
$312 Roundtrip, found 8 hours ago
$312
Roundtrip
found 8 hours ago
Select Hawaiian Airlines flight, departing Sat, Sep 27 from Santa Rosa to Kalispell, returning Sat, Oct 11, priced at $312 found 8 hours ago
Hawaiian Airlines
Sun, Sep 28 - Sat, Oct 11
STS
Santa Rosa
FCA
Kalispell
$313 Roundtrip, found 8 hours ago
$313
Roundtrip
found 8 hours ago
Select Hawaiian Airlines flight, departing Sun, Sep 28 from Santa Rosa to Kalispell, returning Sat, Oct 11, priced at $313 found 8 hours ago
Alaska Airlines
Tue, Oct 14 - Thu, Oct 30
STS
Santa Rosa
FCA
Kalispell
$314 Roundtrip, found 8 hours ago
$314
Roundtrip
found 8 hours ago
Select Alaska Airlines flight, departing Tue, Oct 14 from Santa Rosa to Kalispell, returning Thu, Oct 30, priced at $314 found 8 hours ago
Hawaiian Airlines
Tue, Sep 16 - Tue, Sep 30
STS
Santa Rosa
FCA
Kalispell
$318 Roundtrip, found 8 hours ago
$318
Roundtrip
found 8 hours ago
Select Hawaiian Airlines flight, departing Tue, Sep 16 from Santa Rosa to Kalispell, returning Tue, Sep 30, priced at $318 found 8 hours ago
Hawaiian Airlines
Mon, Oct 20 - Tue, Nov 4
STS
Santa Rosa
FCA
Kalispell
$322 Roundtrip, found 8 hours ago
$322
Roundtrip
found 8 hours ago
Select Hawaiian Airlines flight, departing Mon, Oct 20 from Santa Rosa to Kalispell, returning Tue, Nov 4, priced at $322 found 8 hours ago
Hawaiian Airlines
Mon, Sep 22 - Sat, Oct 4
STS
Santa Rosa
FCA
Kalispell
$323 Roundtrip, found 8 hours ago
$323
Roundtrip
found 8 hours ago
Select Hawaiian Airlines flight, departing Mon, Sep 22 from Santa Rosa to Kalispell, returning Sat, Oct 4, priced at $323 found 8 hours ago

Find the cheapest month to fly from Santa Rosa (STS) to Kalispell (FCA)

June is typically the cheapest month to fly

From $102 - $853 per traveler.

Graph displaying average flight prices per month

Alternative airports near Kalispell

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Glacier Park Intl. FCA. Cheapest and Closest option available. Average driving time to city center is 13 minutes. Flights from $1,160
FCA
Glacier Park Intl.
CheapestClosest
Average driving time to city center13 min
Flights from $1,160
Flights from Santa Rosa (STS) to Kalispell (FCA)
Origin airport
Sonoma County
Destination airport
Glacier Park Intl.
Airlines serving
Alaska Airlines
Roundtrip price
$300
Distance
800 mi
Average flight time
2 hours 5 mins

Santa Rosa to Kalispell Flights

The cheapest times to fly from Santa Rosa to Kalispell

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

 

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

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

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 Kalispell in 2025. You can also book with separate airlines for your outbound and return journeys, from $152 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 Kalispell 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 Kalispell 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.

 

Frequently asked questions

How much does a flight from Sonoma County Airport (STS) to Glacier Park Intl. Airport (FCA) cost?
You can pick up cheap return flights starting at $78 from Sonoma County Airport (STS) to Glacier Park Intl. Airport (FCA). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Avelo Airlines flight leaving STS on August 16 2025 and touching down at FCA. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from STS to FCA?
The cheapest flights from STS to FCA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from STS to FCA?
With prices as low as $39 for a one-way journey from STS to FCA, Avelo Airlines is currently the cheapest airline on this route. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from STS on August 27 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Sonoma County Airport (STS) to Glacier Park Intl. Airport (FCA)?
There are no daily nonstop flights departing from Sonoma County Airport (STS) to Glacier Park Intl. Airport (FCA). But you can opt for flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way in no time at all.
What day of the week has the most flights from STS to FCA?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What airline has the least delays from STS to FCA?
Avelo Airlines has the best track record for on-time direct flights from Sonoma County Airport (STS) to Glacier Park Intl. Airport (FCA), with an on-time score of 100%. Use the Expedia App to look up your flight status before you leave and get immediate updates about any changes.
What is the best time to fly from Sonoma County Airport (STS) to Glacier Park Intl. Airport (FCA)?
To touch down at Glacier Park Intl. Airport (FCA) on time, book a flight that leaves from Sonoma County Airport (STS) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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 Glacier Park Intl. Airport (FCA) last-minute?
Booking your plane ticket from STS to FCA shortly before your journey is usually more expensive. But if you're flexible with your itinerary, you could land a cheap last-minute fare.
Is it cheaper to book a STS to FCA flight and hotel package?
You'll generally save money by securing a STS to FCA flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've selected your preferred flights and accommodations, consider adding extras such as car rentals, activities and tours.
Can I cancel or change the date of my flight from Sonoma County Airport (STS) to Glacier Park Intl. Airport (FCA)?
If you reserved your STS to FCA flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more details.

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*Available to One Key members.