$110 Cheap Flights from Boise (BOI) to Santa Rosa (STS)

View $110 flight on Sat, May 17, 2025Opens in a new window

Popular airlines from Boise Airport (BOI) to Santa Rosa, CA (STS-Sonoma County)

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Find available prices by choosing your travel dates.

Cheap Flights from Boise to Santa Rosa (BOI-STS)

Prices were available within the past 7 days and start at $110 for one-way flights and $220 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Hawaiian Airlines
Sat, May 17 - Tue, May 20
BOI
Boise
STS
Santa Rosa
$220 Roundtrip, found 1 hour ago
$220
Roundtrip
found 1 hour ago
Select Hawaiian Airlines flight, departing Sat, May 17 from Boise to Santa Rosa, returning Tue, May 20, priced at $220 found 1 hour ago
Hawaiian Airlines
Tue, May 20 - Wed, May 21
BOI
Boise
STS
Santa Rosa
$221 Roundtrip, found 6 days ago
$221
Roundtrip
found 6 days ago
Select Hawaiian Airlines flight, departing Tue, May 20 from Boise to Santa Rosa, returning Wed, May 21, priced at $221 found 6 days ago
Alaska Airlines
Sat, May 17 - Wed, May 21
BOI
Boise
STS
Santa Rosa
$231 Roundtrip, found 2 days ago
$231
Roundtrip
found 2 days ago
Select Alaska Airlines flight, departing Sat, May 17 from Boise to Santa Rosa, returning Wed, May 21, priced at $231 found 2 days ago
Hawaiian Airlines
Wed, May 21 - Mon, Jun 2
BOI
Boise
STS
Santa Rosa
$241 Roundtrip, found 15 hours ago
$241
Roundtrip
found 15 hours ago
Select Hawaiian Airlines flight, departing Wed, May 21 from Boise to Santa Rosa, returning Mon, Jun 2, priced at $241 found 15 hours ago
Hawaiian Airlines
Tue, May 13 - Tue, May 20
BOI
Boise
STS
Santa Rosa
$246 Roundtrip, found 1 hour ago
$246
Roundtrip
found 1 hour ago
Select Hawaiian Airlines flight, departing Tue, May 13 from Boise to Santa Rosa, returning Tue, May 20, priced at $246 found 1 hour ago
Hawaiian Airlines
Sat, May 17 - Sun, May 25
BOI
Boise
STS
Santa Rosa
$246 Roundtrip, found 1 hour ago
$246
Roundtrip
found 1 hour ago
Select Hawaiian Airlines flight, departing Sat, May 17 from Boise to Santa Rosa, returning Sun, May 25, priced at $246 found 1 hour ago
Hawaiian Airlines
Tue, Jun 10 - Tue, Jun 17
BOI
Boise
STS
Santa Rosa
$247 Roundtrip, found 5 days ago
$247
Roundtrip
found 5 days ago
Select Hawaiian Airlines flight, departing Tue, Jun 10 from Boise to Santa Rosa, returning Tue, Jun 17, priced at $247 found 5 days ago
Hawaiian Airlines
Sat, May 17 - Thu, May 29
BOI
Boise
STS
Santa Rosa
$251 Roundtrip, found 1 hour ago
$251
Roundtrip
found 1 hour ago
Select Hawaiian Airlines flight, departing Sat, May 17 from Boise to Santa Rosa, returning Thu, May 29, priced at $251 found 1 hour ago
Alaska Airlines
Tue, May 13 - Tue, May 27
BOI
Boise
STS
Santa Rosa
$256 Roundtrip, found 1 hour ago
$256
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Tue, May 13 from Boise to Santa Rosa, returning Tue, May 27, priced at $256 found 1 hour ago
American Airlines
Sat, May 17 - Tue, Aug 12
BOI
Boise
STS
Santa Rosa
$330 Roundtrip, found 1 day ago
$330
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sat, May 17 from Boise to Santa Rosa, returning Tue, Aug 12, priced at $330 found 1 day ago
Flights from Boise (BOI) to Santa Rosa (STS)
Origin airport
Boise
Destination airport
Sonoma County
Airlines serving
Alaska Airlines, American Airlines, Hawaiian Airlines
Roundtrip price
$220
Distance
489 mi

Boise to Santa Rosa Flights

The cheapest times to fly from Boise to Santa Rosa

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

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

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

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 Boise to Santa Rosa in 2025. You can also book with separate airlines for your outbound and return journeys, from $110 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 Boise to Santa Rosa 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 Boise to Santa Rosa 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.

Frequently asked questions

How much does a flight from Boise Airport (BOI) to Sonoma County Airport (STS) cost?
Discover the latest flight deals from BOI to STS by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from BOI to STS?
The cheapest flights from BOI to STS are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Boise Airport (BOI) to Sonoma County Airport (STS)?
Fly directly from Boise Airport (BOI) to Sonoma County Airport (STS) on an Avelo Airlines flight.
What is the cheapest airline that flies from BOI to STS?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from BOI to STS. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Boise Airport (BOI) to Sonoma County Airport (STS)?
On average, you can pick from 2 direct flights per week from Boise Airport (BOI) to Sonoma County Airport (STS). For greater flexibility, consider flights with layovers. Enter your details on Expedia and then filter your search to show one or two stops.
What are the most popular departure times for flights from Boise Airport (BOI) to Sonoma County Airport (STS)?
The 11 AM departures from BOI to STS are the top choice for many travelers. They can also be more expensive. If you’re hoping to save money, pick a less crowded time to fly.
What day of the week has the most flights from BOI to STS?
Jet off on a Thursday if you’re after the best choice of flights from Boise Airport (BOI) to Sonoma County Airport (STS).
What is the earliest flight from Boise Airport (BOI) to Sonoma County Airport (STS)?
Take the earliest flight at around 11:11AM UTC-7, departing from Boise Airport (BOI). You’ll be in the air for about 1h 41m, reaching Sonoma County Airport (STS) at approximately 11:52AM UTC-8.
How long does it take to fly from Boise Airport (BOI) to Sonoma County Airport (STS)?
Flights from BOI to STS have an average travel time of 1 hour and 41 minutes. The total distance between these two airports is 490 mi.
What airline has the least delays from BOI to STS?
With 86% of flights usually arriving as scheduled, Avelo Airlines has the best on-time performance for direct flights from Boise Airport (BOI) to Sonoma County Airport (STS). To monitor your flight status and get notifications if anything changes, simply head to the Expedia App.
What is the best time to fly from Boise Airport (BOI) to Sonoma County Airport (STS)?
To touch down at Sonoma County Airport (STS) on schedule, choose a flight that leaves from Boise Airport (BOI) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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.
What airports do you fly into for Santa Rosa from Boise Airport (BOI)?
Book a direct flight from Boise Airport (BOI) to Santa Rosa and touch down at one of these hubs:

  • San Francisco Intl. Airport (SFO)
  • Oakland Intl. Airport (OAK)
  • Sonoma County Airport (STS)

Is it cheaper to buy a plane ticket from Boise Airport (BOI) to Sonoma County Airport (STS) last-minute?
Booking your ticket from BOI to STS shortly before your trip is generally more expensive. However, if there’s some wiggle room with your itinerary, you could snag a cheap last-minute fare.
Is it cheaper to book a BOI to STS flight and hotel package?
Opting for a BOI to STS flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Select from our extensive range of accommodations and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Boise Airport (BOI) to Sonoma County Airport (STS)?
In most cases, you can cancel or modify your BOI to STS flight. However, there may be additional fees, especially if you booked more than 24 hours ago. Check your itinerary for the airline’s fees and rules on flight changes, or if you need further information, visit our Customer Service portal.

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*Available to One Key members.