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 time of day to fly from FCA to STS?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kalispell to Santa Rosa as you normally would.

Most accurate provider : When it comes to deals on Kalispell-Santa Rosa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kalispell-Santa Rosa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kalispell-Santa Rosa flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Kalispell-Santa Rosa flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kalispell-Santa Rosa flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Kalispell 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.

Find Cheap Flights from Kalispell to Santa Rosa

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Find flight deals from Kalispell to Santa Rosa

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Popular in	March
Cheapest in	April
Average price	$276

Provider with most accurate pricing for Kalispell Glacier Park-Santa Rosa Sonoma County flight deals.

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Provider most trusted by Cheapflights users for Kalispell Glacier Park-Santa Rosa Sonoma County flights.

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Highest demand for flights based on searches. 4% potential increase in price ($18 potential increase over avg. RT price).

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Cheapest flight prices on average. 5% potential price decrease ($22 potential savings vs. average RT price).

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Average for round-trip flights in April 2026

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Most accurate provider: When it comes to deals on Kalispell-Santa Rosa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kalispell-Santa Rosa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kalispell-Santa Rosa flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Kalispell-Santa Rosa flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Kalispell-Santa Rosa flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Kalispell to Santa Rosa

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

FCA-STS

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 Kalispell to Santa Rosa

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

Currently, July is the cheapest month in which you can book a flight from Kalispell to Santa Rosa (average of $41). Flying from Kalispell to Santa Rosa in January is currently the most expensive (average of $227). 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.

Reviews of airlines servicing Santa Rosa

Read reviews from past customers who have flown Alaska Airlines from Kalispell to Santa Rosa. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

7.9

Good

12,152 reviews

Reviews

1 / 20

10.0

Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Alaska Airlines

7.9

Good

12,152 reviews

Alaska Airlines

7.9

Good

12,152 reviews

Reviews

1 / 20

10.0

Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Related info for your journey

Can I find deals for flights from Kalispell to Santa Rosa that include hotel bookings?
Yes. In addition to deals on Kalispell to Santa Rosa flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Kalispell to Santa Rosa?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kalispell to Santa Rosa.
Can I find deals for business class flights from Kalispell to Santa Rosa?
Yes. Cheapflights offers flight deals from Kalispell 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 Kalispell to Santa Rosa?
Currently, July is the cheapest month in which you can book a flight from Kalispell to Santa Rosa (average of $41). Flying from Kalispell to Santa Rosa in January is currently the most expensive (average of $227). 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.

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Top airline flying from Kalispell to Santa Rosa

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	Cheapest$360	Average$480	FlexibilityNo cancel fee	On-time75%

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

Find cheap flights from Kalispell to Santa Rosa with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Kalispell to Santa Rosa

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Average price

Best time to book a flight from Kalispell to Santa Rosa

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

Cheapflights Insights

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

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

Reviews of airlines servicing Santa Rosa

Read reviews from past customers who have flown Alaska Airlines from Kalispell to Santa Rosa. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Kalispell to Santa Rosa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

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

Traveling to a place near Santa Rosa?

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Alternative routes for Kalispell to Santa Rosa

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Complete your trip

Complete your trip to Santa Rosa by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Kalispell to Santa Rosa by cabin class

Find flights from Kalispell to Santa Rosa, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Kalispell and Santa Rosa flights

Browse other Kalispell and Santa Rosa flight options. Last updated on April 2, 2026.

Other flights from Kalispell

Browse through other flights departing from Kalispell. Flights are based on user searches made on Cheapflights and were last updated on April 2, 2026.

Popular flight searches

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Other flights to Santa Rosa

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Top airline flying from Kalispell to Santa Rosa

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