Cheap Flights from Seattle (SEA) to Santa Rosa (STS)

View AU$355 flight on Fri, 28 Mar. 2025Opens in a new window

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Cheap Flights from Seattle (SEA) to Santa Rosa (STS)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Tue., 29 Apr. - Tue., 6 May
SEA
Seattle
STS
Santa Rosa
AU$297 Return, found 1 day ago
AU$297
Return
found 1 day ago
Select Alaska Airlines flight, departing Tue., 29 Apr. from Seattle to Santa Rosa, returning Tue., 6 May, priced at AU$297 found 1 day ago
Alaska Airlines
Tue., 29 Apr. - Tue., 6 May
SEA
Seattle
STS
Santa Rosa
AU$312 Return, found 1 day ago
AU$312
Return
found 1 day ago
Select Alaska Airlines flight, departing Tue., 29 Apr. from Seattle to Santa Rosa, returning Tue., 6 May, priced at AU$312 found 1 day ago
Alaska Airlines
Tue., 29 Apr. - Tue., 6 May
SEA
Seattle
STS
Santa Rosa
AU$344 Return, found 1 day ago
AU$344
Return
found 1 day ago
Select Alaska Airlines flight, departing Tue., 29 Apr. from Seattle to Santa Rosa, returning Tue., 6 May, priced at AU$344 found 1 day ago
Alaska Airlines
Mon., 28 Apr. - Mon., 5 May
SEA
Seattle
STS
Santa Rosa
AU$352 Return, found 3 days ago
AU$352
Return
found 3 days ago
Select Alaska Airlines flight, departing Mon., 28 Apr. from Seattle to Santa Rosa, returning Mon., 5 May, priced at AU$352 found 3 days ago
Alaska Airlines
Tue., 29 Apr. - Tue., 6 May
SEA
Seattle
STS
Santa Rosa
AU$360 Return, found 1 day ago
AU$360
Return
found 1 day ago
Select Alaska Airlines flight, departing Tue., 29 Apr. from Seattle to Santa Rosa, returning Tue., 6 May, priced at AU$360 found 1 day ago
Alaska Airlines
Sat., 26 Apr. - Sat., 3 May
SEA
Seattle
STS
Santa Rosa
AU$377 Return, found 4 days ago
AU$377
Return
found 4 days ago
Select Alaska Airlines flight, departing Sat., 26 Apr. from Seattle to Santa Rosa, returning Sat., 3 May, priced at AU$377 found 4 days ago
Alaska Airlines
Tue., 29 Apr. - Tue., 6 May
SEA
Seattle
STS
Santa Rosa
AU$381 Return, found 1 day ago
AU$381
Return
found 1 day ago
Select Alaska Airlines flight, departing Tue., 29 Apr. from Seattle to Santa Rosa, returning Tue., 6 May, priced at AU$381 found 1 day ago
Alaska Airlines
Sat., 26 Apr. - Sat., 3 May
SEA
Seattle
STS
Santa Rosa
AU$392 Return, found 4 days ago
AU$392
Return
found 4 days ago
Select Alaska Airlines flight, departing Sat., 26 Apr. from Seattle to Santa Rosa, returning Sat., 3 May, priced at AU$392 found 4 days ago
Alaska Airlines
Tue., 29 Apr. - Tue., 6 May
SEA
Seattle
STS
Santa Rosa
AU$397 Return, found 1 day ago
AU$397
Return
found 1 day ago
Select Alaska Airlines flight, departing Tue., 29 Apr. from Seattle to Santa Rosa, returning Tue., 6 May, priced at AU$397 found 1 day ago
American Airlines
Tue., 29 Apr. - Tue., 6 May
SEA
Seattle
STS
Santa Rosa
AU$424 Return, found 1 day ago
AU$424
Return
found 1 day ago
Select American Airlines flight, departing Tue., 29 Apr. from Seattle to Santa Rosa, returning Tue., 6 May, priced at AU$424 found 1 day ago
Flight from Seattle to Santa Rosa route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Sonoma County
Return price
AU$296
Distance
988 km

Your quick guide to flights from Seattle to Santa Rosa

Pick up great flights from Seattle to Santa Rosa

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Seattle to Santa Rosa. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Seattle to Santa Rosa that take around hours.

Find cheap flights from Seattle to Santa Rosa

From the great flight deals with prices currently ranging from AU$297 to AU$1,947, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Seattle to Santa Rosa around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Santa Rosa is normally in April.

Reasons to book your flight from Seattle to Santa Rosa with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Seattle to Santa Rosa across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Santa Rosa right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from Seattle - Tacoma Intl. Airport (SEA) to Sonoma County Airport?
If you’re travelling from SEA to Sonoma County Airport (STS), round-trip journeys start from AU$297. This price is based on fares available within the last 7 days on Expedia for flights departing within the next year, so don’t hang around. Book today and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to Sonoma County Airport (STS)?
Most flights can be cancelled online, but whether or not you incur a fee depends on your airline. If you do have to cancel your trip, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to Sonoma County Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for Sea-Tac Airport to STS flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from SEA to Sonoma County Airport?
That movie you’ve been desperate to see will just have to wait — the flight distance between SEA (SEA) and Sonoma County Airport (STS) (STS) is only 1 000 kilometres. The captain will be asking you to buckle up for touchdown before you know it.
Which airlines fly direct from Seattle - Tacoma Intl. Airport (SEA) to STS?
Alaska Airlines (AS) will take you from Seattle - Tacoma Intl. Airport (SEA) to Sonoma County Airport (STS) safely and reliably. You can choose from 43 direct flights every month along this route.
Are Seattle - Tacoma Intl. Airport (SEA) to Sonoma County Airport (STS) flight tickets cheaper when they're purchased at the last minute?
Flight tickets from Seattle - Tacoma Intl. Airport (SEA) to Sonoma County Airport are available up to a year prior to departure on Expedia. And although you may pick up a fantastic last-minute deal, it’s not something you should bank on. Also, booking your flights ahead of time means you’ll have more choices — and you can avoid getting stuck in the dreaded middle seat! We regularly update our fares to make sure you get the biggest bargains, so check back often for all the latest specials.
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