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

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 3/14. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SEA
Jan 26 — Feb 21
Mon 1/26
Mon 2/2
1 adult, Economy
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Find cheap flights from Santa Rosa to Seattle with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Santa Rosa Sonoma County to Seattle/Tacoma Intl are usually found in October or January, booked 38 days in advance, depart on a Friday or Wednesday and return on a Wednesday

Cheap flight deals from Santa Rosa to Seattle

Cheapest flights from Santa Rosa to Seattle
Explore the most affordable flight options available from Santa Rosa to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 27, 2025.

This Alaska Airlines deal was found by Cheapflights users on 12/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/282:24 pmSTS - SEA
Nonstop2h 05mAlaska Airlines
Mon 1/511:25 amSEA - STS
Nonstop2h 07mAlaska Airlines
Deal found 12/26$607
This Alaska Airlines deal was found by Cheapflights users on 12/27. 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.
Sun 12/286:00 amSTS - SEA
Nonstop2h 06mAlaska Airlines
Sun 1/43:29 pmSEA - STS
1 stop3h 33mAlaska Airlines
Deal found 12/27$617
This Alaska Airlines deal was found by Cheapflights users on 12/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:37 pmSTS - SEA
1 stop5h 22mAlaska Airlines
Fri 1/21:25 pmSEA - STS
1 stop6h 12mAlaska Airlines
Deal found 12/26$627
This Kiwi.com deal was found by Cheapflights users on 12/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/252:24 pmSTS - SEA
Nonstop2h 05mHawaiian Airlines
Mon 12/298:09 pmSEA - STS
Nonstop2h 08mHawaiian Airlines
Deal found 12/25$668
This Alaska Airlines deal was found by Cheapflights users on 12/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/292:24 pmSTS - SEA
Nonstop2h 05mAlaska Airlines
Mon 12/298:09 pmSEA - STS
Nonstop2h 08mAlaska Airlines
Deal found 12/26$672
This Kiwi.com deal was found by Cheapflights users on 12/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/282:24 pmSTS - SEA
Nonstop2h 05mAlaska Airlines
Wed 12/318:09 pmSEA - STS
Nonstop2h 08mAlaska Airlines
Deal found 12/26$675
This Alaska Airlines deal was found by Cheapflights users on 12/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/272:24 pmSTS - SEA
Nonstop2h 05mAlaska Airlines
Tue 12/308:09 pmSEA - STS
Nonstop2h 08mAlaska Airlines
Deal found 12/26$677
This Alaska Airlines deal was found by Cheapflights users on 12/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/272:24 pmSTS - SEA
Nonstop2h 05mAlaska Airlines
Thu 1/17:11 pmSEA - STS
1 stop5h 07mAlaska Airlines
Deal found 12/26$687

Find flight deals from Santa Rosa to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Santa Rosa (STS) to Seattle (SEA). 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 December 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$116
(Kiwi.com)

One-way from

$79
(Alaska Airlines)

Popular in

December

Cheapest in

October

Average price

$402

Good round-trip deal

$257 or less

Good one-way deal

$283 or less
Provider with most accurate pricing for Santa Rosa Sonoma County-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Santa Rosa Sonoma County-Seattle/Tacoma Intl flights.
Search Deals
From Santa Rosa Sonoma County to Seattle/Tacoma Intl
Search Deals
One-way flight from Santa Rosa Sonoma County to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($29 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Santa Rosa Sonoma County to Seattle/Tacoma Intl.
Search Deals
Price to beat on a one-way flight from Santa Rosa Sonoma County to Seattle/Tacoma Intl.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Santa Rosa to Seattle 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 December 27, 2025.
Use the filters below to find and compare flights from Santa Rosa to Seattle that are best for you.

Fly from

Santa Rosa

Fly to

Seattle

Route

Depart

Return

Price

Santa RosaSeattle

STS - SEA

STSSEA

Santa Rosa Sonoma County

Thu 2/19

7:57 pm-10:05 pm

Nonstop2h 08m

Seattle/Tacoma Intl

Tue 2/24

7:50 pm-9:52 pm

Nonstop2h 02m

$116

Santa RosaSeattle

STS - SEA

STSSEA

Santa Rosa Sonoma County

Thu 2/26

7:57 pm-10:05 pm

Nonstop2h 08m

Seattle/Tacoma Intl

Sun 3/1

9:48 pm-11:50 pm

Nonstop2h 02m

$117

Santa RosaSeattle

STS - SEA

STSSEA

Santa Rosa Sonoma County

Fri 1/30

9:33 pm-11:36 pm

Nonstop2h 03m

Seattle/Tacoma Intl

Sat 1/31

8:35 am-10:35 am

Nonstop2h 00m

$137

Santa RosaSeattle

STS - SEA

STSSEA

Santa Rosa Sonoma County

Sat 1/31

11:15 am-1:18 pm

Nonstop2h 03m

Seattle/Tacoma Intl

Mon 2/2

9:59 pm-11:59 pm

Nonstop2h 00m

$137

Santa RosaSeattle

STS - SEA

STSSEA

Santa Rosa Sonoma County

Sat 1/24

11:15 am-1:18 pm

Nonstop2h 03m

Seattle/Tacoma Intl

Thu 1/29

9:59 pm-11:59 pm

Nonstop2h 00m

$137

Santa RosaSeattle

STS - SEA

STSSEA

Santa Rosa Sonoma County

Sat 1/31

11:15 am-1:18 pm

Nonstop2h 03m

Seattle/Tacoma Intl

Sun 2/1

9:59 pm-11:59 pm

Nonstop2h 00m

$137

Santa RosaSeattle

STS - SEA

STSSEA

Santa Rosa Sonoma County

Mon 1/26

9:33 pm-11:36 pm

Nonstop2h 03m

Seattle/Tacoma Intl

Fri 1/30

9:59 pm-11:59 pm

Nonstop2h 00m

$157

Santa RosaSeattle

STS - SEA

STSSEA

Santa Rosa Sonoma County

Fri 1/16

9:33 pm-11:36 pm

Nonstop2h 03m

Seattle/Tacoma Intl

Sat 1/17

8:35 am-10:35 am

Nonstop2h 00m

$162

Santa RosaSeattle

STS - SEA

STSSEA

Santa Rosa Sonoma County

Wed 4/15

6:53 pm-8:58 pm

Nonstop2h 05m

Seattle/Tacoma Intl

Mon 4/20

4:00 pm-6:01 pm

Nonstop2h 01m

$162

Santa RosaSeattle

STS - SEA

STSSEA

Santa Rosa Sonoma County

Sat 3/14

7:57 pm-10:05 pm

Nonstop2h 08m

$79

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/26

Showing 1-10 of 16 results
1
2

Compare providers for flights from Santa Rosa to Seattle

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 Santa Rosa to Seattle in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 Santa Rosa-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Santa Rosa-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Santa Rosa-Seattle flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Santa Rosa-Seattle flights, Cheapflights users trust eDreams the most. eDreams 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 Santa Rosa-Seattle 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 Santa Rosa to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Santa Rosa 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 Santa Rosa to Seattle

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

Use this chart to determine the optimal time to book a round-trip flight from Santa Rosa to Seattle. Price data was last updated on December 19, 2025.

The best time to book flights from Santa Rosa to Seattle is 38 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Santa Rosa to Seattle (average of $82). Flying from Santa Rosa to Seattle in July is currently the most expensive (average of $131). 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 STS to SEA?

Find hourly flight availability from Santa Rosa to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 27, 2025.

One of the essential ways to save on airfare from Santa Rosa to Seattle is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 32% on airfare.

What is the cheapest day to fly from Santa Rosa to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Santa Rosa to Seattle. Price data was last updated on December 20, 2025.

Travelers seeking maximum savings on their Santa Rosa to Seattle flight should consider departing on Friday at noon when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated December 27, 2025.
See what other customers who have flown with Alaska Airlines and Hawaiian Airlines from Santa Rosa to Seattle have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,547 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Alaska Airlines
8.0
Very good
11,547 reviews
Alaska Airlines
8.0
Very good
11,547 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Hawaiian Airlines
7.8
Good
2,819 reviews
Alaska Airlines
8.0
Very good
11,547 reviews

Overall

8.0

Comfort

7.8

Crew

8.5

Food

7.1

Boarding

8.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

Related info for your journey

Find useful and relevant information for your journey from Santa Rosa to Seattle. 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 Santa Rosa to Seattle?

    To fly from Santa Rosa to Seattle, you need to book a flight from Sonoma County (STS) to Seattle/Tacoma Intl (SEA). Nonstop flights to Seattle/Tacoma Intl from Santa Rosa Sonoma County take 2h 03m on average. When it comes time to book airfare, you have a few options: there are 5 outbound flights from Sonoma County to Seattle/Tacoma Intl offered by 2 different airlines.

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

    This flight path from Santa Rosa Sonoma County to Seattle/Tacoma Intl was viewed by 6 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 Santa Rosa to Seattle?

    Airlines like Alaska Airlines fly from Santa Rosa to Seattle in about 2h 08m. The time it takes to get you to your destination is usually consistent. The distance between Santa Rosa and Seattle is about 618 mi. Generally, flights for this route are nonstop.

  • What are the cheapest airlines flying from Santa Rosa to Seattle round-trip?

    Currently priced at $157, Hawaiian Airlines will fly you from Santa Rosa to Seattle and back. In addition to Hawaiian Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Alaska Airlines for as low as $157. You may be able to fly from Santa Rosa to Seattle for 48% less than the average price by searching for these airlines.

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

    No one likes to see their flight delayed. When booking a flight from Santa Rosa to Seattle consider choosing Qatar Airways (79%), Hawaiian Airlines (74%) or Japan Airlines (73%) as they are the most reliable in getting you off to your destination on time.

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

    Looking for the cheapest flight from Santa Rosa to Seattle? While on average our users pay $1,054, our data indicates the cheapest price to be $108. The most popular route (Santa Rosa Sonoma County - Seattle/Tacoma Intl), is priced around $117.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Santa Rosa to Seattle 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 Santa Rosa to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Santa Rosa to Seattle (average of $82). Flying from Santa Rosa to Seattle in July is currently the most expensive (average of $131). 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Kent
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Chehalis

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Top 2 airlines flying from Santa Rosa to Seattle

Discover the top 2 airlines that operate flights from Santa Rosa to Seattle. 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 December 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$157Average$249FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$157Average$296FlexibilityNo cancel feeOn-time75%

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