$139 Cheap Flights from Santa Rosa (STS) to Bozeman (BZN)

View $139 flight on Wed, Jan 21, 2026Opens in a new window

Popular airlines from Santa Rosa, CA (STS-Sonoma County) to Bozeman Yellowstone Intl. Airport (BZN)

Cheap Flights from Santa Rosa to Bozeman (STS-BZN)

Prices were available within the past 7 days and start at $139 for one-way flights and $279 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Sat, Jan 31 - Sat, Feb 14
STS
Santa Rosa
BZN
Bozeman
$279 Roundtrip, found 2 days ago
$279
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Sat, Jan 31 from Santa Rosa to Bozeman, returning Sat, Feb 14, priced at $279 found 2 days ago
Hawaiian Airlines
Sat, Jan 31 - Tue, Feb 17
STS
Santa Rosa
BZN
Bozeman
$280 Roundtrip, found 2 days ago
$280
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Sat, Jan 31 from Santa Rosa to Bozeman, returning Tue, Feb 17, priced at $280 found 2 days ago
Hawaiian Airlines
Thu, Jan 29 - Sat, Feb 14
STS
Santa Rosa
BZN
Bozeman
$282 Roundtrip, found 2 days ago
$282
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Thu, Jan 29 from Santa Rosa to Bozeman, returning Sat, Feb 14, priced at $282 found 2 days ago
Hawaiian Airlines
Fri, Jan 30 - Tue, Feb 17
STS
Santa Rosa
BZN
Bozeman
$282 Roundtrip, found 2 days ago
$282
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Fri, Jan 30 from Santa Rosa to Bozeman, returning Tue, Feb 17, priced at $282 found 2 days ago
Hawaiian Airlines
Thu, Jan 29 - Tue, Feb 17
STS
Santa Rosa
BZN
Bozeman
$284 Roundtrip, found 2 days ago
$284
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Thu, Jan 29 from Santa Rosa to Bozeman, returning Tue, Feb 17, priced at $284 found 2 days ago
Hawaiian Airlines
Thu, Jan 22 - Mon, Feb 9
STS
Santa Rosa
BZN
Bozeman
$285 Roundtrip, found 2 days ago
$285
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Thu, Jan 22 from Santa Rosa to Bozeman, returning Mon, Feb 9, priced at $285 found 2 days ago
Hawaiian Airlines
Sat, Feb 7 - Tue, Feb 24
STS
Santa Rosa
BZN
Bozeman
$286 Roundtrip, found 2 days ago
$286
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Sat, Feb 7 from Santa Rosa to Bozeman, returning Tue, Feb 24, priced at $286 found 2 days ago
Hawaiian Airlines
Sat, Feb 7 - Wed, Feb 25
STS
Santa Rosa
BZN
Bozeman
$288 Roundtrip, found 2 days ago
$288
Roundtrip
found 2 days ago
Select Hawaiian Airlines flight, departing Sat, Feb 7 from Santa Rosa to Bozeman, returning Wed, Feb 25, priced at $288 found 2 days ago
Alaska Airlines
Wed, Nov 12 - Wed, Nov 19
STS
Santa Rosa
BZN
Bozeman
$289 Roundtrip, found 5 days ago
$289
Roundtrip
found 5 days ago
Select Alaska Airlines flight, departing Wed, Nov 12 from Santa Rosa to Bozeman, returning Wed, Nov 19, priced at $289 found 5 days ago
Southwest Airlines
Tue, May 5 - Tue, May 12
STS
Santa Rosa
BZN
Bozeman
$379 Roundtrip, found 3 days ago
$379
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Tue, May 5 from Santa Rosa to Bozeman, returning Tue, May 12, priced at $379 found 3 days ago

Alternative airports near Bozeman

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

Select flight to Gallatin Field BZN. Cheapest and Closest option available. Average driving time to city center is 13 minutes. Flights from $459
BZN
Gallatin Field
CheapestClosest
Average driving time to city center13 min
Flights from $459

Frequently asked questions

How much does a flight from Sonoma County Airport (STS) to Gallatin Field Airport (BZN) cost?
Lock in a cheap one-way flight from $139 or cheap return flight from $279 from Sonoma County Airport (STS) to Gallatin Field Airport (BZN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Sonoma County Airport (STS) to Gallatin Field Airport (BZN)?
Planning your getaway for January can help you save, as it's the cheapest month for flights between STS and BZN. You'll usually find the lowest prices during the off-season.
What is the cheapest airline that flies from Sonoma County Airport (STS) to Gallatin Field Airport (BZN)?
Expedia's filter tool lets you easily compare different airlines, departure times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find the carrier with the cheapest STS to BZN flight.
How many flights per day from Sonoma County Airport (STS) to Gallatin Field Airport (BZN)?
You'll have to hop on a flight with a layover if you're traveling from Sonoma County Airport (STS) to Gallatin Field Airport (BZN). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from STS to BZN?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can change depending on a number of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sonoma County Airport (STS) to Gallatin Field Airport (BZN)?
To avoid potential delays on the Sonoma County Airport (STS) to Gallatin Field Airport (BZN) route, aim to fly before 3 PM. Departures after this time have a 22% higher chance of cancellation.**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 Gallatin Field Airport (BZN) last-minute?
Holding off until right before your break to book your flight from STS to BZN often results in higher prices. While it's possible to find some last-minute offers, there's no guarantee. Be flexible with your itinerary for the best chance of scoring a bargain.
Is it cheaper to book a STS to BZN flight and hotel package?
Booking a STS to BZN flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Choose from our extensive range of hotels and then add flights, activities and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sonoma County Airport (STS) to Gallatin Field Airport (BZN)?
It's usually possible to reschedule or cancel your STS to BZN flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Sonoma County
Destination airport
Bozeman Yellowstone Intl.
Airlines serving
Alaska Airlines, Southwest Airlines
Roundtrip price
$278
Distance
778 mi

Book with confidence

Santa Rosa to Bozeman Flights

The cheapest times to fly from Santa Rosa to Bozeman

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

 

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

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

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 Bozeman in 2025. You can also book with separate airlines for your outbound and return journeys, from $139 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 Bozeman 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 Bozeman 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.

 

Santa Rosa to Bozeman Flights

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*Available to One Key members.