$143 Cheap Flights from Pasco (PSC) to Santa Rosa (STS)

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Find available prices by choosing your travel dates.

Cheap Flights from Pasco to Santa Rosa (PSC-STS)

Prices were available within the past 7 days and start at $143 for one-way flights and $287 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Alaska Airlines
Hawaiian Airlines
Hawaiian Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
Alaska Airlines
American Airlines
Flights from Pasco (PSC) to Santa Rosa (STS)
Origin airport
Tri-Cities
Destination airport
Sonoma County
Airlines serving
Alaska Airlines, American Airlines
Roundtrip price
$284
Distance
567 mi

Pasco to Santa Rosa Flights

The cheapest times to fly from Pasco to Santa Rosa

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

 

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

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

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 Pasco to Santa Rosa in 2025. You can also book with separate airlines for your outbound and return journeys, from $143 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 Pasco to Santa Rosa 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 Pasco to Santa Rosa 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 long does it take to fly from PSC to Sonoma County Airport (STS)?
With Avelo Airlines, a direct flight takes about 2 hours. Hop on the 3:35PM flight from PSC and touch down at Sonoma County Airport (STS) at 5:35PM. Score a superb deal on this and other routes when you book your fare with Expedia.
Is it cheaper to buy a plane ticket from PSC to STS last minute?
When it comes to booking your flights, it pays to be prepared. While it may be possible to pick up a last-minute deal on a Tri-Cities Airport (PSC) to Sonoma County Airport (STS) flight, tickets usually don’t get cheaper as the date of departure nears. Based on flight pricing and demand studies in 2022, we have found that the sweet spot to book a domestic flight is between 28 – 35 days in advance. For international journeys it’s three to four months.
What airports do you fly into for Santa Rosa from Pasco?
Sonoma County Airport (STS), Novato, CA (NOT-Gnoss Field) and Napa, CA (APC-Napa Valley) are your options when traveling from Pasco to Santa Rosa. Approximately 7 mi northwest of downtown Santa Rosa, Sonoma County Airport (STS) is the city’s principal entry point. Take into account things such as flight schedules and the distance to your hotel before picking your airport. Sonoma County Fairgrounds and Charles M. Schulz Museum are a couple of great attractions to check out when you arrive.
What are the most popular departure times for flights from PSC to Sonoma County Airport?
For Avelo Airlines flights setting off from PSC to Sonoma County Airport (STS), the peak period is between 3:00 PM - 4:00 PM. If you want to avoid holdups, head off in the morning. This allows you to miss the air traffic that builds up around airports in the afternoon.
Can I change the date of my flight from Tri-Cities Airport (PSC) to STS?
You can quickly make changes to your Tri-Cities Airport (PSC) to Sonoma County Airport (STS) flight via the Expedia Trips portal. But before you begin, read over the ticket rules in your itinerary to learn what you’re allowed to do and whether fees apply. Some carriers charge a change fee per person, in addition to any difference in airfares. However, if you booked in the last 24 hours, you may be able to cancel for free and organize new flights. You can also stop by our Customer Service portal for more information and to chat with our Virtual Agent.

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