$127 Cheap Flights from Santa Rosa (STS) to Spokane (GEG)

View $127 flight on Wed, Dec 10, 2025Opens in a new window

Popular airlines from Santa Rosa, CA (STS-Sonoma County) to Spokane International Airport (GEG)

Cheap Flights from Santa Rosa to Spokane (STS-GEG)

Prices were available within the past 7 days and start at $127 for one-way flights and $224 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, Dec 4 - Mon, Dec 8
STS
Santa Rosa
GEG
Spokane
$224 Roundtrip, found 14 hours ago
$224
Roundtrip
found 14 hours ago
Select Alaska Airlines flight, departing Thu, Dec 4 from Santa Rosa to Spokane, returning Mon, Dec 8, priced at $224 found 14 hours ago
Hawaiian Airlines
Sat, Nov 22 - Wed, Dec 10
STS
Santa Rosa
GEG
Spokane
$234 Roundtrip, found 1 day ago
$234
Roundtrip
found 1 day ago
Select Hawaiian Airlines flight, departing Sat, Nov 22 from Santa Rosa to Spokane, returning Wed, Dec 10, priced at $234 found 1 day ago
Hawaiian Airlines
Wed, Feb 4 - Wed, Feb 18
STS
Santa Rosa
GEG
Spokane
$242 Roundtrip, found 4 days ago
$242
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Wed, Feb 4 from Santa Rosa to Spokane, returning Wed, Feb 18, priced at $242 found 4 days ago
Alaska Airlines
Mon, Dec 8 - Tue, Dec 16
STS
Santa Rosa
GEG
Spokane
$243 Roundtrip, found 1 day ago
$243
Roundtrip
found 1 day ago
Select Alaska Airlines flight, departing Mon, Dec 8 from Santa Rosa to Spokane, returning Tue, Dec 16, priced at $243 found 1 day ago
Hawaiian Airlines
Tue, Feb 10 - Tue, Feb 24
STS
Santa Rosa
GEG
Spokane
$248 Roundtrip, found 4 days ago
$248
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Tue, Feb 10 from Santa Rosa to Spokane, returning Tue, Feb 24, priced at $248 found 4 days ago
Alaska Airlines
Thu, Dec 4 - Mon, Dec 8
STS
Santa Rosa
GEG
Spokane
$253 Roundtrip, found 14 hours ago
$253
Roundtrip
found 14 hours ago
Select Alaska Airlines flight, departing Thu, Dec 4 from Santa Rosa to Spokane, returning Mon, Dec 8, priced at $253 found 14 hours ago
Alaska Airlines
Sat, Jan 10 - Sat, Jan 17
STS
Santa Rosa
GEG
Spokane
$258 Roundtrip, found 3 days ago
$258
Roundtrip
found 3 days ago
Select Alaska Airlines flight, departing Sat, Jan 10 from Santa Rosa to Spokane, returning Sat, Jan 17, priced at $258 found 3 days ago
Hawaiian Airlines
Wed, Feb 4 - Thu, Feb 19
STS
Santa Rosa
GEG
Spokane
$262 Roundtrip, found 4 days ago
$262
Roundtrip
found 4 days ago
Select Hawaiian Airlines flight, departing Wed, Feb 4 from Santa Rosa to Spokane, returning Thu, Feb 19, priced at $262 found 4 days ago
Alaska Airlines
Fri, Dec 12 - Wed, Dec 31
STS
Santa Rosa
GEG
Spokane
$263 Roundtrip, found 1 hour ago
$263
Roundtrip
found 1 hour ago
Select Alaska Airlines flight, departing Fri, Dec 12 from Santa Rosa to Spokane, returning Wed, Dec 31, priced at $263 found 1 hour ago
American Airlines
Fri, Nov 21 - Sat, Dec 13
STS
Santa Rosa
GEG
Spokane
$469 Roundtrip, found 1 day ago
$469
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Nov 21 from Santa Rosa to Spokane, returning Sat, Dec 13, priced at $469 found 1 day ago
Flights from Santa Rosa (STS) to Spokane (GEG)
Origin airport
Sonoma County
Destination airport
Spokane Intl.
Airlines serving
Alaska Airlines, American Airlines
Roundtrip price
$224
Distance
683 mi

Santa Rosa to Spokane Flights

The cheapest times to fly from Santa Rosa to Spokane

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

 

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

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

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 Spokane in 2025. You can also book with separate airlines for your outbound and return journeys, from $127 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 Spokane 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 Spokane 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 Sonoma County Airport (STS) to Spokane Intl. Airport (GEG) cost?
Grab a cheap one-way flight from $127 or cheap return flight from $224 from Sonoma County Airport (STS) to Spokane Intl. Airport (GEG) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Sonoma County Airport (STS) to Spokane Intl. Airport (GEG)?
The cheapest month to fly from STS to GEG is December, when demand is low. Off-peak months are usually when airlines offer better prices between these airports.
What is the cheapest airline that flies from Sonoma County Airport (STS) to Spokane Intl. Airport (GEG)?
To find the cheapest airline flying from STS to GEG, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Sonoma County Airport (STS) to Spokane Intl. Airport (GEG)?
Direct flights from Sonoma County Airport (STS) to Spokane Intl. Airport (GEG) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STS to GEG?
You'll generally find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can change from season to season and during peak travel times or public holidays.*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 Spokane Intl. Airport (GEG)?
To reach Spokane Intl. Airport (GEG) on schedule, choose a flight that leaves from Sonoma County Airport (STS) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**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 Spokane Intl. Airport (GEG) last-minute?
Waiting until just before your departure to book your flight from STS to GEG often results in higher prices. Although you may find some last-minute deals, there's no guarantee. Be flexible with your travel plans for the best chance of scoring a bargain.
Is it cheaper to book a STS to GEG flight and hotel package?
Securing a STS to GEG flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Choose from our impressive range of stays and then add activities, flights 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 Spokane Intl. Airport (GEG)?
If you reserved your STS to GEG flight in the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more details.

Explore a world of travel with Expedia

*Available to One Key members.