A vineyard with rows of grapevines, a dirt path, and a backdrop of rolling hills and trees.

$80 Cheap Flights from Seattle (SEA) to Santa Rosa (STS)

View $80 flight on Sat, Dec 5, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $80 for one-way flights and $157 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Thu, Oct 22 - Sat, Oct 24
SEA
Seattle
STS
Santa Rosa
$157 Roundtrip, found 4 hours ago
$157
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Thu, Oct 22 from Seattle to Santa Rosa, returning Sat, Oct 24, priced at $157 found 4 hours ago
American Airlines
Tue, Oct 20 - Sat, Oct 24
SEA
Seattle
STS
Santa Rosa
$158 Roundtrip, found 1 day ago
$158
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Oct 20 from Seattle to Santa Rosa, returning Sat, Oct 24, priced at $158 found 1 day ago
American Airlines
Sat, Dec 5 - Wed, Dec 9
SEA
Seattle
STS
Santa Rosa
$159 Roundtrip, found 2 hours ago
$159
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sat, Dec 5 from Seattle to Santa Rosa, returning Wed, Dec 9, priced at $159 found 2 hours ago
Southwest Airlines
Tue, Sep 15 - Sat, Sep 19
SEA
Seattle
STS
Santa Rosa
$167 Roundtrip, found 1 hour ago
$167
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Tue, Sep 15 from Seattle to Santa Rosa, returning Sat, Sep 19, priced at $167 found 1 hour ago
Southwest Airlines
Fri, Oct 30 - Tue, Nov 3
SEA
Seattle
STS
Santa Rosa
$172 Roundtrip, found 4 hours ago
$172
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Fri, Oct 30 from Seattle to Santa Rosa, returning Tue, Nov 3, priced at $172 found 4 hours ago
Southwest Airlines
Tue, Sep 15 - Sat, Sep 19
SEA
Seattle
STS
Santa Rosa
$173 Roundtrip, found 1 hour ago
$173
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Tue, Sep 15 from Seattle to Santa Rosa, returning Sat, Sep 19, priced at $173 found 1 hour ago
Southwest Airlines
Thu, Oct 22 - Sat, Oct 24
SEA
Seattle
STS
Santa Rosa
$177 Roundtrip, found 4 hours ago
$177
Roundtrip
found 4 hours ago
Select Southwest Airlines flight, departing Thu, Oct 22 from Seattle to Santa Rosa, returning Sat, Oct 24, priced at $177 found 4 hours ago
Southwest Airlines
Tue, Sep 15 - Fri, Sep 18
SEA
Seattle
STS
Santa Rosa
$177 Roundtrip, found 9 hours ago
$177
Roundtrip
found 9 hours ago
Select Southwest Airlines flight, departing Tue, Sep 15 from Seattle to Santa Rosa, returning Fri, Sep 18, priced at $177 found 9 hours ago
Alaska Airlines
Wed, Oct 7 - Sat, Oct 10
SEA
Seattle
STS
Santa Rosa
$243 Roundtrip, found 4 hours ago
$243
Roundtrip
found 4 hours ago
Select Alaska Airlines flight, departing Wed, Oct 7 from Seattle to Santa Rosa, returning Sat, Oct 10, priced at $243 found 4 hours ago
Delta
Sat, Dec 5 - Wed, Dec 9
SEA
Seattle
STS
Santa Rosa
$337 Roundtrip, found 2 hours ago
$337
Roundtrip
found 2 hours ago
Select Delta flight, departing Sat, Dec 5 from Seattle to Santa Rosa, returning Wed, Dec 9, priced at $337 found 2 hours ago

Alternative airports near Santa Rosa

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Sonoma County STS. Cheapest and Closest option available. Average driving time to city center is 10 minutes. Flights from $329
STS
Sonoma County
CheapestClosest
Average driving time to city center10 min
Flights from $329

Find the cheapest month to fly from Seattle (SEA) to Santa Rosa (STS)

September is typically the cheapest month to fly

From $156 - $272 per traveler.

What you need to know for your flight from Seattle - Tacoma Intl. to Sonoma County

Seattle (SEA) to Santa Rosa (STS) at a glance

Travel from Seattle (SEA) to Santa Rosa (STS) with a range of airlines offering convenient weekly flights on this domestic short-haul route. Compare various options from full-service carriers to discover the itinerary that aligns with your budget and schedule, all while planning your visit to Santa Rosa's iconic attractions and neighborhoods. Gather all the essential information for flights departing from Seattle-Tacoma International Airport (SEA) to Sonoma County Airport (STS).

  • Fastest flight duration: around 2 hours non-stop
  • Route distance: roughly 600 miles (970 km)
  • Flights per week: around 10 departures on average
  • Typical fares (one-way): economy tickets often range from $75–$350, depending on seasonality and how far ahead you book

Flights from Seattle - Tacoma International Airport (SEA) to Sonoma County Airport (STS)

According to recent traveler bookings, here are the top airlines favored for flights from Seattle to Santa Rosa, featuring both non-stop and one-stop options. Common layover points include Portland International Airport (PDX, approximately 1-hour layover), Los Angeles International Airport (LAX, around 1 hour and 15 minutes), and Hollywood Burbank Airport (BUR, about 3 hours and 15 minutes). This variety allows you to mix and match based on price, overall travel time, and cabin class, helping you secure the best travel itinerary.

  • Alaska Airlines: This full-service airline provides both non-stop and one-stop options, with one-way ticket prices generally falling between $80 and $370. It handles around 97% of flights on this route, with a non-stop travel duration of about 2 hours.
  • Hawaiian Airlines: Another full-service option, Hawaiian Airlines offers non-stop flights with one-way fares typically ranging from $95 to $250. It makes up roughly 3% of the departures on this route, with a total travel time of 2 hours.

Travelers flying from Seattle to Santa Rosa can enhance their journey by upgrading to first class or business class. Alaska Airlines provides premium service on this route for a more comfortable experience.

Best time to fly from Seattle (SEA) to Santa Rosa (STS)

The most popular months for travelers flying from Seattle to Santa Rosa are January, April, and August, when peak temperatures in Santa Rosa reach up to 69.4°F in August. If you prefer quieter travel, consider June, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 67.3°F. For better deals, January usually offers the lowest average one-way fare around $176. Flight availability peaks in June, July, August, November, and December, with approximately 11 flights per week, making it easier to find convenient departure times. January and March have the fewest flights, with approximately 9 flights per week.

  • Cheapest time to fly: January usually offers good deals with average one-way fare around $176, roughly 12% cheaper than the yearly average.
  • More budget-friendly months to fly: October, August, and February typically offer average one-way fares of around $186.
  • Most flight options: June, July, August, November, and December have the highest number of flights from Seattle to Santa Rosa, with approximately 11 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January48.2°F (9.0°C)Slightly High9$176
February49.1°F (9.5°C)Average10$191
March51.1°F (10.6°C)Average9$217
April55.6°F (13.1°C)Slightly High10$220
May60.6°F (15.9°C)Slightly Low10$210
June67.3°F (19.6°C)Slightly Low11$202
July69.8°F (21.0°C)Average11$211
August69.4°F (20.8°C)Slightly High11$191
September68.0°F (20.0°C)Average10$199
October62.1°F (16.7°C)Average10$181
November53.1°F (11.7°C)Slightly Low11$205
December47.3°F (8.5°C)Average11$194

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from Seattle (SEA) to Santa Rosa (STS)

  • Seattle to Santa Rosa (BFI-STS): Located approximately 6 miles from Seattle - Tacoma International Airport (SEA), Boeing Field Airport (BFI) serves as a convenient alternative.
  • Seattle to Novato (SEA-NOT): Gnoss Field Airport (NOT), around 29 miles from Sonoma County Airport (STS), offers another viable route for travelers.
  • Seattle to San Rafael (SEA-SRF): Situated roughly 37 miles from Sonoma County Airport (STS), San Rafael Airport (SRF) provides additional flight options.

How to find the best prices for flights from Seattle (SEA) to Santa Rosa (STS)

Getting some of the best deals on flights from Seattle to Santa Rosa is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking 2-8 weeks in advance, coinciding with when most travelers make their reservations. Evening departures (6 PM-12 AM) often offer lower prices, although morning flights (5 AM-12 PM) are the most popular. Additionally, flying on Saturday tends to be cheaper, while Friday remains the most favored travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Santa Rosa hotel and flight deals.
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Sonoma County Airport from Seattle - Tacoma International Airport

Santa Rosa welcomes travelers from Seattle with a range of transport options based on price, convenience, and proximity. For departures, Seattle - Tacoma International Airport is roughly a 20-minute drive (covering about 14 miles) from central Seattle. Santa Rosa city center is approximately a 10-minute drive (covering about 9 miles) from Sonoma County Airport, depending on traffic. Here's how to reach Santa Rosa efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Santa Rosa, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
  • Car rental: Renting a car from Sonoma County Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Sonoma County Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Sonoma County Airport, Santa Rosa Station, a train station, is located about 7.6 miles away by car, providing convenient access for travelers seeking rail connections into the region.

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Santa Rosa, CA (STS-Sonoma County) cost?
You can find cheap one-way flights from $80 and cheap return flights from $157 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Santa Rosa, CA (STS-Sonoma County) with Expedia. One-way flights typically cost between $152 and $736, and return flights often range between $206 and $1140. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Seattle, WA (SEA-Seattle - Tacoma Intl.) to Santa Rosa, CA (STS-Sonoma County) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Santa Rosa, CA (STS-Sonoma County)?
The cheapest month to fly from SEA to STS is October when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Santa Rosa, CA (STS-Sonoma County)?
Enter SEA to STS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Santa Rosa, CA (STS-Sonoma County)?
Alaska Airlines is one of the cheapest airlines offering nonstop flights from Seattle - Tacoma Intl. (SEA) to Sonoma County (STS), with round-trip tickets starting from around $155. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Santa Rosa, CA (STS-Sonoma County)?
To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Santa Rosa, CA (STS-Sonoma County), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Santa Rosa, CA (STS-Sonoma County)?
The best airline to fly with from Seattle, WA (SEA) to Santa Rosa, CA (STS) will differ from traveler to traveler. If you like to fly early, Alaska Airlines offers early morning flights. If price is the most important factor, Alaska Airlines typically offers the lowest fares. United offers the most daily flights from SEA to STS, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Santa Rosa, CA (STS-Sonoma County)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Santa Rosa, CA (STS-Sonoma County)?
The earliest flight from Seattle - Tacoma International Airport (SEA) to Sonoma County (STS) usually leaves at around 12:20 AM, operated by American Airlines. This flight is available seasonally in August, making it a great option if you're looking to maximize your time in Santa Rosa. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Santa Rosa, CA (STS-Sonoma County)?
The most popular departure times for flights from Seattle (SEA) to Santa Rosa (STS) are in the late morning, from 9am to 12pm. About 29% of passengers prefer this time window. Many major carriers, including Alaska Airlines, offer flights during this window. This timing works well because it allows you to start your day fresh and arrive in Santa Rosa ready to explore.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Santa Rosa, CA (STS-Sonoma County)?
Direct flights from SEA to STS usually take about 2 hours 20 minutes, traveling roughly 618 miles. If you opt for a connecting flight, expect to add around 3 hours 40 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Santa Rosa, CA (STS-Sonoma County)?
First class seats are offered on the SEA to STS route. First class cabins are available on:

  • American Airlines
  • Delta Air Lines
  • United Airlines

How do I earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Santa Rosa, CA (STS-Sonoma County) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Santa Rosa, CA (STS-Sonoma County) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Santa Rosa from Seattle - Tacoma Intl. (SEA)?
From Seattle - Tacoma Intl. (SEA), you can fly into Sonoma County (STS) to reach Santa Rosa. Some flights may connect through major hubs like San Francisco Intl. (SFO), Salt Lake City Intl. (SLC), Harry Reid Intl. (LAS) before reaching Santa Rosa. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Santa Rosa, CA (STS-Sonoma County) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Santa Rosa, CA (STS-Sonoma County) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Santa Rosa, CA (STS-Sonoma County) flight and hotel package?
Securing a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Santa Rosa, CA (STS-Sonoma County) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Santa Rosa, CA (STS-Sonoma County)?
If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Santa Rosa, CA (STS-Sonoma County) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Sonoma County
Airlines serving
Alaska Airlines, American Airlines, Delta, Southwest Airlines
Roundtrip price
$156
Distance
617 mi
Average flight time
2 hours 2 mins

Book with confidence

Seattle to Santa Rosa Flights

The cheapest times to fly from Seattle 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 Seattle to Santa Rosa are during the month of October. You can find some of the cheapest flights from Seattle to Santa Rosa with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Seattle 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 Seattle 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 Seattle to Santa Rosa in 2026. You can also book with separate airlines for your outbound and return journeys, from $80 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 Seattle 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 Seattle 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.

 

Seattle to Santa Rosa Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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