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Santa Rosa

$217+ 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 12/16. Fares are subject to change and may not be available on all flights or dates of travel.
BZN — STS
Dec 31 — Jan 71
Wed 12/31
Wed 1/7
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 December 1, 2025.

This Alaska Airlines deal was found by Cheapflights users on 12/1. 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 stop17h 08mAlaska Airlines
Mon 12/298:17 pmSTS - BZN
2 stops16h 46mAlaska Airlines
Deal found 12/1$648
This Alaska Airlines deal was found by Cheapflights users on 11/30. 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 12/266:00 amBIL - STS
1 stop8h 32mAlaska Airlines
Tue 12/306:00 amSTS - BIL
1 stop17h 32mAlaska Airlines
Deal found 11/30$770
This Alaska Airlines deal was found by Cheapflights users on 11/30. 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.
Mon 12/226:00 amBIL - STS
1 stop17h 17mAlaska Airlines
Fri 12/266:00 amSTS - BIL
1 stop17h 32mAlaska Airlines
Deal found 11/30$829
This Alaska Airlines deal was found by Cheapflights users on 11/30. 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 12/77:00 amBZN - STS
1 stop7h 29mAlaska Airlines
Mon 12/87:50 amSTS - BZN
1 stop4h 14mAlaska Airlines
Deal found 11/30$900
This American Airlines deal was found by Cheapflights users on 11/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:50 amBIL - STS
1 stop6h 39mAmerican Airlines
Tue 12/304:21 pmSTS - BIL
1 stop5h 33mAmerican Airlines
Deal found 11/29$926

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 December 1, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$282
(Alaska Airlines)

One-way from

$217
(Alaska Airlines)

Popular in

March

Cheapest in

October

Average price

$342
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 ($35 potential increase over avg. RT price).
Search Deals
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 December 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 December 1, 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

Sat 2/14

1:48 pm-9:14 am

1 stop20h 26m

Santa Rosa Sonoma County

Wed 2/18

8:00 am-1:08 pm

1 stop4h 08m

$282

BillingsSanta Rosa

BIL - STS

BILSTS

Billings Logan Intl

Sat 2/7

3:35 pm-7:24 pm

1 stop4h 49m

Santa Rosa Sonoma County

Wed 2/11

11:15 am-11:36 pm

1 stop11h 21m

$292

BozemanSanta Rosa

BZN - STS

BZNSTS

Bozeman Gallatin Field

Fri 12/26

6:09 am-10:17 pm

1 stop17h 08m

Santa Rosa Sonoma County

Mon 12/29

8:17 pm-2:03 pm

2 stops16h 46m

$648

BillingsSanta Rosa

BIL - STS

BILSTS

Billings Logan Intl

Fri 12/26

6:00 am-1:32 pm

1 stop8h 32m

Santa Rosa Sonoma County

Tue 12/30

6:00 am-12:32 am

1 stop17h 32m

$770

BillingsSanta Rosa

BIL - STS

BILSTS

Billings Logan Intl

Mon 12/22

6:00 am-10:17 pm

1 stop17h 17m

Santa Rosa Sonoma County

Fri 12/26

6:00 am-12:32 am

1 stop17h 32m

$829

BozemanSanta Rosa

BZN - STS

BZNSTS

Bozeman Gallatin Field

Tue 12/16

7:00 am-10:24 am

2 stops28h 24m

$217

BozemanSanta Rosa

BZN - STS

BZNSTS

Bozeman Gallatin Field

Sat 12/20

12:43 pm-11:59 pm

1 stop12h 16m

$362

BozemanSanta Rosa

BZN - STS

BZNSTS

Bozeman Gallatin Field

Fri 12/19

12:43 pm-11:59 pm

1 stop12h 16m

$362

BozemanSanta Rosa

BZN - STS

BZNSTS

Bozeman Gallatin Field

Sun 12/21

1:43 pm-10:17 pm

2 stops9h 34m

$367

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/29

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 November is currently the most expensive (average of $206). 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 December 1, 2025.

It’s typically best to fly out from Montana to Santa Rosa in the afternoon. Doing so could potentially save you 56% 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 20h 26m. 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 November is currently the most expensive (average of $206). 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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Alternative routes for Montana to Santa Rosa

See prices for flight routes from nearby airports that may be better suited for you.
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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 December 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$337Average$412FlexibilityNo cancel feeOn-time75%

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