C$256 Cheap Flights from Boise (BOI) to Santa Rosa (STS)

Compare Boise to Santa Rosa flight deals

Find the cheapest month or even day of the year to fly to Santa Rosa

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Flight deals from Boise to Santa Rosa

Looking for a cheap last-minute deal or the best return flight from Boise Airport to Santa Rosa Airport? If you want to travel next month, return fares start from C$461. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Boise to Santa Rosa

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boise to Santa Rosa flights are currently cheapest in September.

Which airlines fly from Boise to Santa Rosa?

Boise to Santa Rosa: Alternative routes

Compare routes from Boise to Santa Rosa below. You may find an airport to fly into that's cheaper, faster, or easier than Santa Rosa.

Boise to Santa Rosa: Flight information

The things to know before you go.
Cheapest flight foundC$256
Cheapest month to flySeptember
Average flight time1 hr, 52 mins
Most popular airlineAlaska Airlines
Average flights per week12

Finding cheap flights from Boise to Santa Rosa: Frequently asked questions

The best price we found for a return flight from Boise to Santa Rosa is C$332. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 52 minutes is the average flight time from Boise to Santa Rosa.
Alaska Airlines and SkyWest Airlines fly direct from Boise to Santa Rosa.
As of June 2026, there are 12 flights per week flying from Boise to Santa Rosa.
The cheapest month to fly from Boise to Santa Rosa is usually August.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Boise Airport to Santa Rosa Airport on Friday, August 21, 2026.
Yes – the average flight time is 1 hour and 52 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Santa Rosa but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Santa Rosa is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Alaska Airlines offers the cheapest flight tickets to Santa Rosa.

Flying from Boise Air Terminal (Gowen Field) (BOI) to Sonoma County Airport (STS): what you need to know

  • If you're heading away during a public holiday or other peak period, give yourself more time. A good rule is two hours ahead of domestic flights and up to four hours before international departures. Lines at security and check-in will be longer.

  • Finding a stopover on flights from Boise Air Terminal (Gowen Field) to Sonoma County Airport is simple with our search tool. Just uncheck 'Direct flights only' to see all your available options. Dallas/Fort Worth International Airport is a popular stopover when traveling from BOI to STS.

How to find the cheapest flights from Boise Air Terminal (Gowen Field) (BOI) to Sonoma County Airport (STS)

  • The lowest price we've found for a one-way ticket from Boise Air Terminal (Gowen Field) to Sonoma County Airport is C$256. For a return flight on this route, the best price is C$332. Depending on the availability and when you book, these fares could change.

  • It's a good idea to book as early as possible if you're hoping to get cheap flight tickets from BOI to STS. That's because flight prices are based on demand, which tends to rise closer to the date of departure.

  • Getting cheap flight tickets from Boise Air Terminal (Gowen Field) to Sonoma County Airport is easier if you can be flexible with your travel plans. Try using the 'Whole month' function to see the lowest fares across every month and score a great deal.

  • Set up a Price Alert for cheap flight tickets from BOI to STS. There's no need to check every day to see whether prices have dropped. We'll tell you as soon as there's a change in price.

  • Tailor your trip using filters. Choose your preferred departure and arrival times, airlines and total journey duration. You can also sort results by 'Fastest,' 'Cheapest' or 'Best' flights from Boise Air Terminal (Gowen Field) to Sonoma County Airport.

Handy information about Boise Air Terminal (Gowen Field) (BOI)

  • Boise Air Terminal (Gowen Field) is about 18 kilometres from central Boise. If you're ride-sharing, catching a cab or driving from the center, it'll take you 18 minutes or so to get there, depending on traffic. If you're planning to take public transport, expect the trip time to be around 1 hour and 37 minutes.

  • Booked an early flight from Boise Air Terminal (Gowen Field) to Sonoma County Airport? Avoid the stress of rushing to the terminal (and catch some extra z's) by picking one of these hotels close to BOI:

Arriving at Sonoma County Airport (STS)

Getting from Sonoma County Airport (STS) to central Santa Rosa

  • Sonoma County Airport is approximately 13 kilometres from central Santa Rosa. With a cab or in your own car rental, the drive is about 14 minutes.

  • It takes roughly 36 minutes if you're using public transport.

When to fly to Sonoma County Airport (STS)

  • October is the most popular month for flights from Boise Air Terminal (Gowen Field) to Sonoma County Airport. To skip the crowds, visit Santa Rosa in May.

  • When booking your flight from Boise Air Terminal (Gowen Field) to Sonoma County Airport, consider the type of weather you enjoy. August is the warmest month in Santa Rosa, with temperatures ranging from 11ºC to 29ºC.

  • Look for cheap flight tickets from BOI to STS in February if you like cooler conditions. Temperatures are at their lowest then, ranging between 2ºC and 19ºC on average.

More about Santa Rosa

  • Start your Santa Rosa trip right by finding a fantastic stay. As soon as you've booked your flight from BOI to STS, check out our accommodation options including:

  • Safari West and Annadel State Park are just two of the popular attractions to put on your Santa Rosa must-do list. Keep the momentum going by heading to Pacific Coast Air Museum.

Complete your Santa Rosa trip with hotels and a car rental

  • After you've secured your cheap ticket to Sonoma County Airport, check out the lowest prices and exclusive offers on hotels. You can also compare a range of car rental companies in one go to get the best car rental price for your Santa Rosa getaway.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.