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Santa Rosa

$139+ 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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — STS
Nov 12 — Nov 191
Wed 11/12
Wed 11/19
1 adult, Economy
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Find flight deals from Montana to Santa Rosa

Cheapest flights from Montana to Santa Rosa
Explore the most affordable flight options available from Montana to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 13, 2025.

This Alaska Airlines deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/262:57 pmBZN - STS
1 stop23h 52mAlaska Airlines
Tue 12/27:55 pmSTS - BZN
1 stop14h 11mAlaska Airlines
Deal found 10/13$390
This Alaska Airlines deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:09 amBZN - STS
1 stop8h 23mAlaska Airlines
Mon 12/296:00 amSTS - BZN
1 stop7h 03mAlaska Airlines
Deal found 10/11$500
This Alaska Airlines deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/178:00 amBZN - STS
2 stops29h 01mAlaska Airlines
Mon 10/204:13 pmSTS - BZN
2 stops25h 27mAlaska Airlines
Deal found 10/11$640
This Alaska Airlines deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/123:44 pmBIL - STS
1 stop4h 29mAlaska Airlines
Sat 10/182:30 pmSTS - BIL
1 stop8h 38mAlaska Airlines
Deal found 10/12$670
This Alaska Airlines deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/163:04 pmBZN - STS
2 stops21h 57mAlaska Airlines
Sun 10/197:05 amSTS - BZN
1 stop6h 05mAlaska Airlines
Deal found 10/10$911

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 October 13, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$390
(Alaska Airlines)

One-way from

$139
(Alaska Airlines)

Popular in

March

Cheapest in

October

Average price

$252
Provider with most accurate pricing for Bozeman Gallatin Field-San Francisco flight deals.
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Provider most trusted by Cheapflights users for Bozeman Gallatin Field-San Francisco flights.
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From Montana to Santa Rosa Sonoma County
Search Deals
One-way flight from Montana to Santa Rosa Sonoma County
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($33 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Montana to Santa Rosa that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 13, 2025.
Use the filters below to find and compare flights from Montana to Santa Rosa that are best for you.

Fly from

Montana

Fly to

Santa Rosa

Route

Depart

Return

Price

BozemanSanta Rosa

BZN - STS

BZNSTS

Bozeman Gallatin Field

Wed 11/26

2:57 pm-1:49 pm

1 stop23h 52m

Santa Rosa Sonoma County

Tue 12/2

7:55 pm-11:06 am

1 stop14h 11m

$390

BozemanSanta Rosa

BZN - STS

BZNSTS

Bozeman Gallatin Field

Fri 12/26

6:09 am-1:32 pm

1 stop8h 23m

Santa Rosa Sonoma County

Mon 12/29

6:00 am-2:03 pm

1 stop7h 03m

$500

BozemanSanta Rosa

BZN - STS

BZNSTS

Bozeman Gallatin Field

Wed 11/26

1:52 pm-11:56 pm

2 stops11h 04m

Santa Rosa Sonoma County

Tue 12/2

4:23 pm-12:54 pm

2 stops19h 31m

$1,572

BozemanSanta Rosa

BZN - STS

BZNSTS

Bozeman Gallatin Field

Sat 1/31

1:46 pm-7:24 pm

1 stop6h 38m

$139

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/12

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, July is the cheapest month in which you can book a flight from Montana to Santa Rosa (average of $41). Flying from Montana to Santa Rosa in December is currently the most expensive (average of $212). 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?

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 October 13, 2025.

It’s typically best to fly out from Montana to Santa Rosa in the afternoon. Doing so could potentially save you 53% on the flight price compared to flying at noon, which is usually more expensive.

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?

    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.

  • How long is the flight from Montana to Santa Rosa?

    There are many flights that can get you from Montana to Santa Rosa in 23h 52m. Fly via Alaska Airlines to get the fastest option. Montana and Santa Rosa are separated by a distance of 778 mi.

  • 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, July is the cheapest month in which you can book a flight from Montana to Santa Rosa (average of $41). Flying from Montana to Santa Rosa in December is currently the most expensive (average of $212). 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.

See more FAQs

Traveling to a place near Santa Rosa?

Book flights to Santa Rosa if you plan to visit one of these locations
Fort Bragg
Ukiah

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Top airline flying from Montana to Santa Rosa

Discover the top airline that operate flights from Montana to Santa Rosa. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$360Average$505FlexibilityNo cancel feeOn-time75%

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