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

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Popular airlines from Seattle-Tacoma International Airport (SEA) to Santa Rosa, CA (STS-Sonoma County)

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Frequently asked questions

How long does it take to fly from Seattle - Tacoma Intl. Airport (SEA) to Sonoma County Airport (STS)?
With Alaska Airlines, a direct flight takes approximately 1 hour and 55 minutes. Book the 11:33AM flight from SEA and touch down at Sonoma County Airport (STS) at 1:28PM. Snap up a superb deal on this and other routes when you book your ticket with Expedia.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to STS last minute?
Being spontaneous is a wonderful way to discover the world, but it isn't necessarily the best way to pick up a bargain plane ticket. Consider booking your Sea-Tac Airport to STS journey well ahead of time instead of waiting until the last minute. Based on flight pricing and demand studies in 2022, we have found that the best time to book domestic flights is between 28 – 35 days ahead of the departure date, and international flights three to four months in advance. Leave all that spontaneity for when you're exploring STS!
What airports do you fly into for Santa Rosa from Seattle?
From Seattle, you can travel to Santa Rosa through Sonoma County Airport (STS), Novato, CA (NOT-Gnoss Field) and Napa, CA (APC-Napa Valley). It's wise to check which hub is more convenient for you before you make a decision. If you choose Sonoma County Airport (STS), it's about 11 kilometers northwest of downtown. Use the dough you save when booking your trip with Expedia to discover the city's top sights, such as Sonoma County Fairgrounds and Charles M. Schulz Museum.
What are the most popular departure times for flights from Seattle - Tacoma Intl. Airport (SEA) to Sonoma County Airport?
Between 11:00 AM - 12:00 PM is when you'll find the largest number of Alaska Airlines flights from Seattle - Tacoma Intl. Airport (SEA) to Sonoma County Airport. Our recommendation? Leave in the morning. With air traffic yet to build up around airports, your chances of jumping on a delay-free flight are higher.
Can I change the date of my flight from Sea-Tac Airport to Sonoma County Airport?
It's a breeze to make changes to your SEA to Sonoma County Airport (STS) journey yourself. Access your itinerary via the Expedia Trips portal and click on "change flight." Look for new flights and book the one that better suits your plans. You'll see an estimate of applicable flight change fees. You can also head to our Customer Service portal to chat to our Virtual Agent and quickly get answers to your questions.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Sonoma County
Distance
988 km
Average flight time
2 hours 6 mins

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