Cheap Flights from Santa Rosa CA to Boise ID from $161

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Flight deals from Santa Rosa to Boise

Looking for a cheap last-minute deal or the best round-trip flight from Santa Rosa Airport to Boise Airport? If you want to travel next month, round-trip fares start from $161. Find the lowest prices on one-way and round-trip tickets right here.

Boise.$161 per passenger.Departing Thu, Aug 20, returning Mon, Aug 24.Round-trip flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departing from Santa Rosa on Thu, Aug 20, arriving in Boise.Inbound indirect flight with Southwest Airlines, departing from Boise on Mon, Aug 24, arriving in Santa Rosa.Price includes taxes and charges.From $161, select.

Boise.$241 per passenger.Departing Fri, Sep 25, returning Sun, Sep 27.Round-trip flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departing from Santa Rosa on Fri, Sep 25, arriving in Boise.Inbound indirect flight with Southwest Airlines, departing from Boise on Sun, Sep 27, arriving in Santa Rosa.Price includes taxes and charges.From $241, select.

Boise.$258 per passenger.Departing Fri, Dec 25, returning Thu, Dec 31.Round-trip flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departing from Santa Rosa on Fri, Dec 25, arriving in Boise.Inbound direct flight with Alaska Airlines departing from Boise on Thu, Dec 31, arriving in Santa Rosa.Price includes taxes and charges.From $258, select.

Boise.$296 per passenger.Departing Wed, Jan 20, returning Wed, Jan 27.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Santa Rosa on Wed, Jan 20, arriving in Boise.Inbound indirect flight with Delta, departing from Boise on Wed, Jan 27, arriving in Santa Rosa.Price includes taxes and charges.From $296, select.

Boise.$500 per passenger.Departing Thu, Jul 30, returning Sat, Aug 1.Round-trip flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departing from Santa Rosa on Thu, Jul 30, arriving in Boise.Inbound indirect flight with Southwest Airlines, departing from Boise on Sat, Aug 1, arriving in Santa Rosa.Price includes taxes and charges.From $500, select.

Boise.$620 per passenger.Departing Thu, Jul 23, returning Thu, Jul 30.Round-trip flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departing from Santa Rosa on Thu, Jul 23, arriving in Boise.Inbound indirect flight with Southwest Airlines, departing from Boise on Thu, Jul 30, arriving in Santa Rosa.Price includes taxes and charges.From $620, select.

Find the cheapest month to fly from Santa Rosa to Boise

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

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Direct flights from Santa Rosa to Boise

Santa Rosa to Boise: Alternative routes

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

Boise

5km from central Boise

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from $161

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Santa Rosa to Boise: Flight information

The things to know before you go.

Cheapest flight found	$161
Cheapest month to fly	August
Average flight time	1 hr, 40 mins
Most popular airline	Alaska Airlines
Average flights per week	13

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

How much are round-trip flights from Santa Rosa to Boise?

The best price we found for a round-trip flight from Santa Rosa to Boise is $161. 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.

How long does it take to fly from Santa Rosa to Boise?

1 hour and 40 minutes is the average flight time from Santa Rosa to Boise.

Which airlines fly direct from Santa Rosa to Boise?

Alaska Airlines and SkyWest Airlines fly direct from Santa Rosa to Boise.

How many flights are there a week from Santa Rosa to Boise?

There are 13 flights per week flying from Santa Rosa to Boise, as of July 2026.

When is the cheapest time to fly from Santa Rosa to Boise?

The cheapest month to fly from Santa Rosa to Boise is usually August.

Which upcoming date is cheapest to fly from Santa Rosa Airport to Boise Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Santa Rosa Airport to Boise Airport on Thursday, August 20, 2026.

Can I get a direct flight from Santa Rosa Airport to Boise Airport?

Yes – the average flight time is 1 hour and 40 minutes.

How can I find the best flight deal to Boise?

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 Boise 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.

When is the best time to book flights to Boise?

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Boise is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly with from Santa Rosa Airport to Boise?

Currently, Southwest Airlines and Alaska Airlines offer the cheapest flight tickets to Boise.

Flying from Santa Rosa Airport (STS) to Boise Airport (BOI): what you need to know

To ensure you catch your STS to BOI flight, leave plenty of time to navigate the airport and find your gate. Arriving two hours before international departures and one hour before domestic flights is the general travel rule.
Traveling during a peak time like August? School holidays and other popular periods can result in longer queues at check-in and security. Be extra cautious and arrive up to four hours before international flights and two hours before a domestic departure.
Opt for a stopover if you'd love to break up your flight. Simply uncheck 'Direct flights only' to see the options for tickets from Santa Rosa Airport to Boise Airport. Dallas Fort Worth International Airport is a popular stopover on the STS to BOI route.

How to find the cheapest flights from Santa Rosa Airport (STS) to Boise Airport (BOI)

Right now, $78 is the lowest price we've seen for a one-way Santa Rosa Airport to Boise Airport flight. The best price for a return ticket is $161. Remember that fares may change due to availability at the time of booking.
Don't wait until the last moment. You're more likely to get cheap tickets from STS to BOI if you book ahead. Airlines often have some amazing early bird discounts.
The 'Whole month' search tool shows you the cheapest flights from Santa Rosa Airport to Boise Airport across every month. It's an easy way to find a bargain if your plans aren't set in stone.
There's no need to check back in every day to find out if fares have gone down when you set up a Price Alert. We'll notify you as soon as the price changes on cheap flights from STS to BOI.
Tailor your flights with filters. Pick your preferred arrival and departure times, total journey duration and airlines. You can also sort the results by 'Fastest,' 'Best' or 'Cheapest' flights from Santa Rosa Airport to Boise Airport.

Handy information about Santa Rosa Airport (STS)

You'll find STS at 2200 Airport Boulevard.
Of the departures from Santa Rosa Airport, 71% land on schedule at their destination.
Santa Rosa Airport is around 10 kilometers from central Santa Rosa. If you're ride-sharing, catching a cab or driving from the center, it'll take you 10 minutes or so to arrive, depending on the traffic.
Expect a trip time of roughly 35 minutes on public transport.
Looking for a convenient hotel near STS? If you're boarding an early flight from Santa Rosa Airport to Boise Airport, these stays will have you sleeping moments from your departure lounge:

Arriving at Boise Airport (BOI)

Consider staying in a hotel near BOI if you're catching a late Santa Rosa Airport to Boise Airport flight. Pick one of these options and skip the long transfer:
Explore without limits with a Boise Airport rental car. Pick up a set of wheels from Budget, Alamo or Avis and find adventure across Boise and beyond.
For the lowest price, book your ride from Boise Airport around one week before traveling.

When to fly to Boise Airport (BOI)

The quietest month for a flight from Santa Rosa Airport to Boise Airport is March, while October is the busiest. Choose the best time to go to Boise based on whether you prefer a faster pace or a more relaxed vibe.
Book your flight from Santa Rosa Airport to Boise Airport for July if you'd like to go to Boise during its warmest month. Expect temperatures of between 15ºC (59ºF) and 35ºC (95ºF).
Look for cheap tickets from STS to BOI in January if you like traveling in cooler conditions. Temperatures are at their lowest around then, ranging between -11ºC (12ºF) and 5ºC (41ºF) on average.

Explore more of the United States

You've visited Boise, now it's time to discover other parts of the United States. Journey about 467 kilometers north to Spokane to check off its must-visit sights. From Riverside State Park to Spokane Falls (Upper Falls) and Cathedral of Our Lady of Lourdes, you'll have a packed itinerary ahead.
If there's time to check out another well-known destination in the United States, consider Salt Lake City, roughly 483 kilometers south-east of Boise. Salt Lake Utah Temple, Temple Square and Salt Lake City Tabernacle are highlights.