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).

How far in advance should I book a flight from Montana to Santa Rosa?

Users have found that booking a flight from Montana to Santa Rosa at least 44 days early can save you up to 72% on average compared to booking a flight this week. If booking 44 days before your flight isn’t an option for you, users have found flights from Montana to Santa Rosa for as little as $314 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $368 for flights departing within the next 3 days.

What is the cheapest month to fly from Montana to Santa Rosa?

Due to multiple factors, expect to potentially pay more when booking in November. For low rates, January can be a great choice for travel to Santa Rosa. Flights to Santa Rosa from Montana in January are about $356 on average during January, but can be found for as low as $145.

What airport do you fly into for flights to Santa Rosa from Montana?

Santa Rosa Sonoma County (STS) is the airport you will fly into if you book a flight from Montana to Santa Rosa. It is only a 7.2 mi journey from Sonoma County (STS) to Santa Rosa’s city center.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Montana 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.

$263+ Flights from Montana to Santa Rosa

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Cheap flight deals from Montana to Santa Rosa

Popular in	November
Cheapest in	January
Average price	$352

Highest demand for flights based on searches. 13% potential increase in price ($56 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Find flight deals from Montana to Santa Rosa

One-way flights from Montana to Santa Rosa
Search for one-way flight options from Montana to Santa Rosa. Find affordable one-way fares based on user searches. Data last updated September 13, 2025.

Mon 9/297:23 pmBZN - STS

2 stops24h 49mAlaska Airlines

Deal found 9/11

$263

Mon 9/295:22 amBZN - STS

1 stop4h 26mHawaiian Airlines

Deal found 9/11

$321

Mon 9/297:23 pmBZN - STS

3 stops24h 49mMultiple Airlines

Deal found 9/11

$506

Cheapflights Fare Finder

Use the filters below to find and compare flights from Montana to Santa Rosa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BozemanSanta Rosa

BZN - STS

BZNSTS

Bozeman Gallatin Field

Mon 9/29

7:23 pm-7:12 pm

2 stops24h 49m

$263

BozemanSanta Rosa

BZN - STS

BZNSTS

Bozeman Gallatin Field

Mon 9/29

5:22 am-8:48 am

1 stop4h 26m

$321

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Best time to book a flight from Montana to Santa Rosa

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

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 Montana to Santa Rosa

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

Currently, February is the cheapest month in which you can book a flight from Montana to Santa Rosa (average of $202). Flying from Montana to Santa Rosa in June is currently the most expensive (average of $395). 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.

What is the cheapest time of day to fly from MT to STS?

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

Related info for your journey

What airport do you fly into for flights to Santa Rosa from Montana?
Santa Rosa Sonoma County (STS) is the airport you will fly into if you book a flight from Montana to Santa Rosa. It is only a 7.2 mi journey from Sonoma County (STS) to Santa Rosa’s city center.
Can I find deals for flights from Montana to Santa Rosa that include hotel bookings?
Yes. In addition to deals on Montana to Santa Rosa flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Montana to Santa Rosa?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montana to Santa Rosa.
Can I find deals for business class flights from Montana to Santa Rosa?
Yes. Cheapflights offers flight deals from Montana 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 Montana to Santa Rosa?
Currently, February is the cheapest month in which you can book a flight from Montana to Santa Rosa (average of $202). Flying from Montana to Santa Rosa in June is currently the most expensive (average of $395). 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 Montana to Santa Rosa

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	Cheapest$360	Average$524	FlexibilityNo cancel fee	On-time75%

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$263+ Cheap flights from Montana to Santa Rosa (STS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/29. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Montana to Santa Rosa with Cheapflights

1. Tell us where you want to go

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3. Compare prices and book

Cheap flight deals from Montana to Santa Rosa

Keep the following information in mind while searching for Montana to Santa Rosa flight deals. Data was last updated September 13, 2025.

Popular in

Cheapest in

Average price

Find flight deals from Montana to Santa Rosa

One-way flights from Montana to Santa RosaSearch for one-way flight options from Montana to Santa Rosa. Find affordable one-way fares based on user searches. Data last updated September 13, 2025.

Search for one-way flight options from Montana to Santa Rosa. Find affordable one-way fares based on user searches. Data last updated September 13, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Montana to Santa Rosa that are best for you.

Best time to book a flight from Montana to Santa Rosa

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

Cheapflights Insights

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

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

What is the cheapest time of day to fly from MT to STS?

Find hourly flight availability from Montana to Santa Rosa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 13, 2025.

Related info for your journey

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

What airport do you fly into for flights to Santa Rosa from Montana?

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

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

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

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

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Alternative routes for Montana to Santa Rosa

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Top airline flying from Montana to Santa Rosa

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One-way flights from Montana to Santa Rosa
Search for one-way flight options from Montana to Santa Rosa. Find affordable one-way fares based on user searches. Data last updated September 13, 2025.