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Santa Rosa

$79+ Cheap flights from Seattle to Santa Rosa (SEA - STS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — STS
Aug 27 — Sep 31
Thu 8/27
Thu 9/3
1 adult, Economy
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Find cheap flights from Seattle to Santa Rosa with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Santa Rosa Sonoma County are usually found in April or March, booked 36 days in advance, depart on a Wednesday or Tuesday and return on a Friday

Cheap flight deals from Seattle to Santa Rosa

Cheapest flights from Seattle to Santa Rosa
Explore the most affordable flight options available from Seattle to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 28, 2026.

This Southwest deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/225:30 am
SEA
-
STS
1 stop6h 35m
Southwest
Sat 8/292:00 pm
STS
-
SEA
1 stop8h 55m
Southwest
Deal found 7/23$162
This Southwest deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2612:40 pm
SEA
-
STS
2 stops8h 45m
Southwest
Mon 8/314:40 pm
STS
-
SEA
2 stops8h 00m
Southwest
Deal found 7/26$167
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:10 pm
SEA
-
STS
1 stop6h 05m
Southwest
Wed 10/216:35 am
STS
-
SEA
2 stops15h 05m
Southwest
Deal found 7/24$168
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/256:25 am
SEA
-
STS
1 stop4h 55m
Southwest
Fri 8/284:40 pm
STS
-
SEA
2 stops8h 00m
Southwest
Deal found 7/24$172
This Southwest deal was found by Cheapflights users on 7/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:25 am
SEA
-
STS
2 stops12h 05m
Southwest
Fri 9/114:40 pm
STS
-
SEA
2 stops8h 05m
Southwest
Deal found 7/26$183
This Alaska Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:57 pm
SEA
-
STS
Nonstop2h 02m
Alaska Airlines
Sat 9/55:34 pm
STS
-
SEA
Nonstop2h 03m
Alaska Airlines
Deal found 7/27$197
This Alaska Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:57 pm
SEA
-
STS
Nonstop2h 02m
Alaska Airlines
Mon 8/317:03 am
STS
-
SEA
Nonstop1h 57m
Alaska Airlines
Deal found 7/27$217
This Orbitz deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/77:56 pm
SEA
-
STS
Nonstop2h 00m
Alaska Airlines
Sun 10/117:00 am
STS
-
SEA
Nonstop2h 00m
Alaska Airlines
Deal found 7/27$219
This Alaska Airlines deal was found by Cheapflights users on 7/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/248:00 am
SEA
-
STS
1 stop8h 39m
Alaska Airlines
Sat 9/55:34 pm
STS
-
SEA
Nonstop2h 03m
Alaska Airlines
Deal found 7/25$227

Find flight deals from Seattle to Santa Rosa

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Santa Rosa (STS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$162
(Southwest)

One-way from

$79
(Southwest)

Popular in

December

Cheapest in

April

Average price

$445

Good round-trip deal

$362 or less

Good one-way deal

$231 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Santa Rosa Sonoma County flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Santa Rosa Sonoma County flights.
Search Deals
From Seattle/Tacoma Intl to Santa Rosa Sonoma County
Search Deals
One-way flight from Seattle/Tacoma Intl to Santa Rosa Sonoma County
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Seattle/Tacoma Intl to Santa Rosa Sonoma County.
Search Deals
Price to beat on a one-way flight from Seattle/Tacoma Intl to Santa Rosa Sonoma County.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Santa Rosa that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 28, 2026.
Use the filters below to find and compare flights from Seattle to Santa Rosa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleSanta Rosa

SEA - STS

SEASTS

Seattle/Tacoma Intl

Sat 8/22

5:30 am-12:05 pm

1 stop6h 35m

Santa Rosa Sonoma County

Sat 8/29

6:00 am-2:25 pm

2 stops8h 25m

$162

SeattleSanta Rosa

SEA - STS

SEASTS

Seattle/Tacoma Intl

Wed 8/26

12:40 pm-9:25 pm

2 stops8h 45m

Santa Rosa Sonoma County

Mon 8/31

4:40 pm-12:40 am

2 stops8h 00m

$167

SeattleSanta Rosa

SEA - STS

SEASTS

Seattle/Tacoma Intl

Fri 10/30

5:10 pm-11:15 pm

1 stop6h 05m

Santa Rosa Sonoma County

Mon 11/2

6:05 am-1:00 pm

1 stop6h 55m

$167

SeattleSanta Rosa

SEA - STS

SEASTS

Seattle/Tacoma Intl

Tue 9/22

10:37 am-12:46 pm

Nonstop2h 09m

Santa Rosa Sonoma County

Sat 9/26

5:34 pm-7:37 pm

Nonstop2h 03m

$197
Quickest round-trip

SeattleSanta Rosa

SEA - STS

SEASTS

Seattle/Tacoma Intl

Sat 10/31

7:56 pm-9:56 pm

Nonstop2h 00m

Santa Rosa Sonoma County

Wed 11/4

5:20 pm-7:28 pm

Nonstop2h 08m

$197

SeattleSanta Rosa

SEA - STS

SEASTS

Seattle/Tacoma Intl

Thu 8/20

5:00 am-2:20 pm

2 stops9h 20m

Santa Rosa Sonoma County

Mon 8/24

2:55 pm-12:20 am

1 stop9h 25m

$233

SeattleSanta Rosa

SEA - STS

SEASTS

Seattle/Tacoma Intl

Fri 11/13

6:15 am-1:40 pm

1 stop7h 25m

Santa Rosa Sonoma County

Mon 11/16

6:40 am-4:00 pm

2 stops9h 20m

$237

SeattleSanta Rosa

SEA - STS

SEASTS

Seattle/Tacoma Intl

Sat 10/24

11:40 am-7:55 pm

2 stops8h 15m

Santa Rosa Sonoma County

Mon 10/26

3:10 pm-9:00 pm

1 stop5h 50m

$252
Cheapest one-way

SeattleSanta Rosa

SEA - STS

SEASTS

Seattle/Tacoma Intl

Sat 8/22

5:30 am-12:05 pm

1 stop6h 35m

$79

SeattleSanta Rosa

SEA - STS

SEASTS

Seattle/Tacoma Intl

Mon 9/14

1:13 pm-6:18 pm

1 stop5h 05m

$129

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/26

Showing 1-10 of 18 resultsSorted by cheapest first
1
2

Compare providers for flights from Seattle to Santa Rosa

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Santa Rosa in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Santa Rosa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Santa Rosa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Santa Rosa flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Santa Rosa flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Santa Rosa flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Santa Rosa

Have a flexible travel schedule? Discover the best time to fly to Santa Rosa from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Santa Rosa

How far ahead should I book a flight from Seattle to Santa Rosa?

The price you pay for your flight from Seattle to Santa Rosa may vary depending on when you book. For the best chance of a lower fare, look to book 35 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Seattle to Santa Rosa?

Currently, April is the cheapest month in which you can book a flight from Seattle to Santa Rosa (average of $272). Flying from Seattle to Santa Rosa in December is currently the most expensive (average of $447). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to STS?

Find hourly flight availability from Seattle to Santa Rosa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 28, 2026.

When flying from Seattle to Santa Rosa, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Seattle to Santa Rosa?

Airfare is below average for this route at the moment.

Seattle to Santa Rosa flights typically cost between $277 and $452 in August.
The cheapest round-trip price found within the last 5 days was $162 on Southwest (Aug 22-Aug 29).

Reviews of airlines servicing Santa Rosa

Get insights into the airlines that provide service to Santa Rosa. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Santa Rosa. Reviews last updated July 28, 2026.
Read reviews from past customers who have flown Alaska Airlines from Seattle to Santa Rosa. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,723 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Overall

7.9

Food

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
7.9
Good
12,723 reviews
Alaska Airlines
7.9
Good
12,723 reviews

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Overall

7.9

Food

7.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from Seattle to Santa Rosa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Seattle to Santa Rosa?

    To fly from Seattle to Santa Rosa, you need to book a flight from Seattle/Tacoma Intl (SEA) to Sonoma County (STS). Nonstop flights to Santa Rosa Sonoma County from Seattle/Tacoma Intl take 2h 00m on average. When it comes time to book airfare, you have a few options: there are 3 outbound flights from Seattle/Tacoma Intl to Sonoma County offered by 1 airline.

  • How popular is this Seattle to Santa Rosa flight route?

    The Seattle/Tacoma Intl to Santa Rosa Sonoma County flight path was viewed by 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Seattle to Santa Rosa?

    Southwest can get you from Seattle to Santa Rosa in just under 6h 35m. Your travel time can differ by up to . Airlines will cover a distance of 618 mi.

  • What is the cheapest airline to fly from Seattle to Santa Rosa round-trip?

    Our cheapest airline available from Seattle to Santa Rosa is Alaska Airlines. Our recent data shows that you can find tickets from as low as $157 on this airline. You may be able to fly from Seattle to Santa Rosa for 54% less than the average price by searching for this airline.

  • What are the most reliable airlines from Seattle to Santa Rosa?

    Before booking your flight to Santa Rosa from Seattle, check out the most reliable airlines to get you to your destination on time: Qatar Airways (83%), Japan Airlines (73%), Alaska Airlines( 67%).

  • What are the cheapest flights from Seattle to Santa Rosa?

    While on average a flight from Seattle to Santa Rosa is generally $390, our data shows the cheapest flight currently is $138. When looking at the most popular route, (Seattle/Tacoma Intl - Santa Rosa Sonoma County), you can expect to pay $162 for that flight.

  • Can I find deals for flights from Seattle to Santa Rosa that include hotel bookings?

    Yes. In addition to deals on Seattle to Santa Rosa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Santa Rosa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Santa Rosa.

  • Can I find deals for business class flights from Seattle to Santa Rosa?

    Yes. Cheapflights offers flight deals from Seattle to Santa Rosa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Santa Rosa?

    Currently, April is the cheapest month in which you can book a flight from Seattle to Santa Rosa (average of $272). Flying from Seattle to Santa Rosa in December is currently the most expensive (average of $447). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Santa Rosa?

Book flights to Santa Rosa if you plan to visit one of these locations
Fort Bragg
Ukiah

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Top airline flying from Seattle to Santa Rosa

Discover the top airline that operate flights from Seattle to Santa Rosa. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$157Average$338FlexibilityNo cancel feeOn-time75%

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