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$88+ Cheap flights from Santa Rosa (STS) to Washington

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 12/22. Fares are subject to change and may not be available on all flights or dates of travel.
STS — SEA
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Santa Rosa to Washington

Keep the following information in mind while searching for Santa Rosa to Washington flight deals. Data was last updated October 30, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$155
(Kiwi.com)

One-way from

$88
(Alaska Airlines)

Popular in

October

Cheapest in

January

Average price

$287

Good round-trip deal

$216 or less

Good one-way deal

$221 or less
Provider with most accurate pricing for San Francisco-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Seattle/Tacoma Intl flights.
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From Santa Rosa Sonoma County to Washington
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One-way flight from Santa Rosa Sonoma County to Washington
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Highest demand for flights based on searches. 7% potential increase in price ($19 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Santa Rosa Sonoma County to Washington.
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Price to beat on a one-way flight from Santa Rosa Sonoma County to Washington.
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Find flight deals from Santa Rosa to Washington

Cheapest flights from Santa Rosa to Washington
Explore the most affordable flight options available from Santa Rosa to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Fri 12/52:21 pmSTS - SEA
Nonstop2h 08mAlaska Airlines
Sun 12/711:26 amSEA - STS
Nonstop2h 03mAlaska Airlines
Deal found 10/29$156
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 12/46:54 pmSTS - PDX
Nonstop1h 48mAlaska Airlines
Sun 12/77:00 amPDX - STS
Nonstop1h 48mAlaska Airlines
Deal found 10/29$156
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 12/52:21 pmSTS - SEA
Nonstop2h 08mAlaska Airlines
Tue 12/911:26 amSEA - STS
Nonstop2h 03mAlaska Airlines
Deal found 10/29$157
This Alaska Airlines deal was found by Cheapflights users on 10/30. 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 12/67:50 amSTS - PDX
Nonstop1h 41mAlaska Airlines
Wed 12/315:09 pmPDX - STS
Nonstop1h 53mAlaska Airlines
Deal found 10/30$157
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 12/87:50 amSTS - SEA
1 stop3h 59mAlaska Airlines
Tue 12/912:45 pmSEA - STS
1 stop6h 30mAlaska Airlines
Deal found 10/29$176
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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 12/310:59 amSTS - PDX
1 stop5h 46mAlaska Airlines
Thu 12/45:49 pmPDX - STS
1 stop4h 03mAlaska Airlines
Deal found 10/28$176
This Alaska Airlines deal was found by Cheapflights users on 10/28. 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.
Thu 12/112:21 pmSTS - SEA
Nonstop2h 08mAlaska Airlines
Wed 12/2411:25 amSEA - STS
Nonstop2h 07mAlaska Airlines
Deal found 10/28$182
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Wed 12/37:50 amSTS - PDX
Nonstop1h 41mAlaska Airlines
Mon 12/85:36 pmPDX - STS
Nonstop1h 39mAlaska Airlines
Deal found 10/30$186
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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.
Tue 12/27:55 pmSTS - SEA
Nonstop2h 03mAlaska Airlines
Fri 12/54:59 pmSEA - STS
1 stop6h 53mAlaska Airlines
Deal found 10/29$187
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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 12/33:16 pmSTS - PDX
1 stop5h 16mAlaska Airlines
Fri 12/57:00 amPDX - STS
Nonstop1h 48mAlaska Airlines
Deal found 10/29$187
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 12/47:55 pmSTS - PDX
1 stop13h 37mAlaska Airlines
Sat 12/67:00 amPDX - STS
Nonstop1h 48mAlaska Airlines
Deal found 10/29$191
This Alaska Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 12/57:00 amSTS - SEA
1 stop7h 55mAlaska Airlines
Fri 12/54:59 pmSEA - STS
1 stop6h 53mAlaska Airlines
Deal found 10/29$196

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santa Rosa to Washington 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 October 30, 2025.
Use the filters below to find and compare flights from Santa Rosa to Washington that are best for you.

Fly from

Santa Rosa

Fly to

Washington

Route

Depart

Return

Price

Santa RosaSeattle

STS - SEA

STSSEA

Santa Rosa Sonoma County

Fri 12/5

2:21 pm-4:29 pm

Nonstop2h 08m

Seattle/Tacoma Intl

Sun 12/7

11:26 am-1:29 pm

Nonstop2h 03m

$156

Santa RosaSeattle

STS - SEA

STSSEA

Santa Rosa Sonoma County

Wed 12/24

2:24 pm-4:29 pm

Nonstop2h 05m

Seattle/Tacoma Intl

Wed 12/31

11:25 am-1:32 pm

Nonstop2h 07m

$157

Santa RosaSeattle

STS - SEA

STSSEA

Santa Rosa Sonoma County

Fri 12/12

2:21 pm-4:29 pm

Nonstop2h 08m

Seattle/Tacoma Intl

Sun 12/14

11:26 am-1:29 pm

Nonstop2h 03m

$157

Santa RosaSeattle

STS - SEA

STSSEA

Santa Rosa Sonoma County

Tue 2/24

11:18 am-1:18 pm

Nonstop2h 00m

Seattle/Tacoma Intl

Tue 3/3

8:30 am-10:33 am

Nonstop2h 03m

$157

Santa RosaSeattle

STS - SEA

STSSEA

Santa Rosa Sonoma County

Fri 2/27

7:59 pm-9:59 pm

Nonstop2h 00m

Seattle/Tacoma Intl

Mon 3/2

8:50 pm-10:53 pm

Nonstop2h 03m

$157

Santa RosaSeattle

STS - SEA

STSSEA

Santa Rosa Sonoma County

Thu 2/26

7:59 pm-9:59 pm

Nonstop2h 00m

Seattle/Tacoma Intl

Sun 3/1

8:30 am-10:33 am

Nonstop2h 03m

$157

Santa RosaSeattle

STS - SEA

STSSEA

Santa Rosa Sonoma County

Sat 2/28

7:59 pm-9:59 pm

Nonstop2h 00m

Seattle/Tacoma Intl

Tue 3/3

8:50 pm-10:53 pm

Nonstop2h 03m

$157

Santa RosaSeattle

STS - SEA

STSSEA

Santa Rosa Sonoma County

Thu 12/25

2:24 pm-4:29 pm

Nonstop2h 05m

Seattle/Tacoma Intl

Thu 1/1

11:25 am-1:32 pm

Nonstop2h 07m

$157

Santa RosaSeattle

STS - SEA

STSSEA

Santa Rosa Sonoma County

Tue 2/24

7:59 pm-9:59 pm

Nonstop2h 00m

Seattle/Tacoma Intl

Sat 2/28

8:50 pm-10:53 pm

Nonstop2h 03m

$157

Santa RosaSeattle

STS - SEA

STSSEA

Santa Rosa Sonoma County

Sat 2/28

7:59 pm-9:59 pm

Nonstop2h 00m

Seattle/Tacoma Intl

Sun 3/1

8:30 am-10:33 am

Nonstop2h 03m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 55 results
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Best time to book a flight from Santa Rosa to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington 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 Washington

What is the cheapest month to book a flight from Santa Rosa to State of Washington?

Currently, May is the cheapest month in which you can book a flight from Santa Rosa to State of Washington (average of $76). Flying from Santa Rosa to State of Washington in November is currently the most expensive (average of $102). 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 WA?

Find hourly flight availability from Santa Rosa to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

When flying from Santa Rosa to State of Washington, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 38% versus a flight in the afternoon.

What is the cheapest day to fly from Santa Rosa to State of Washington?

Use this chart to determine the cheapest time to fly round-trip from Santa Rosa to Washington. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Santa Rosa to State of Washington flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday 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 State of Washington?

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated October 30, 2025.
See what other customers who have flown with Alaska Airlines and Hawaiian Airlines from Santa Rosa to Washington have to say. 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
8.0
Very good
11,214 reviews

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
11,214 reviews
Alaska Airlines
8.0
Very good
11,214 reviews

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Hawaiian Airlines
7.8
Good
2,797 reviews
Alaska Airlines
8.0
Very good
11,214 reviews

Comfort

7.8

Entertainment

7.0

Food

7.1

Overall

8.0

Crew

8.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

Related info for your journey

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

  • What airport do you fly from for flights from Santa Rosa to Washington?

    Most people fly from Santa Rosa Sonoma County (STS) if they book a flight from Santa Rosa to Washington. Santa Rosa Sonoma County is conveniently located just 7.2 mi from Santa Rosa’s city center.

  • How popular is this Santa Rosa to State of Washington flight route?

    Flights from Santa Rosa Sonoma County to Washington have been viewed 5 times in the past calendar month.

  • How long is the flight from Santa Rosa to State of Washington?

    For as low as $156, Alaska Airlines can have you in State of Washington from Santa Rosa in 2h 08m. Airlines will cover a distance of 618 mi. Generally, flights for this route are nonstop.

  • What are the most popular routes from Santa Rosa to State of Washington?

    When deciding which route to take from Santa Rosa to State of Washington consider Santa Rosa Sonoma County - Seattle/Tacoma Intl, Santa Rosa Sonoma County - Portland or Santa Rosa Sonoma County - Spokane as they are the most popular.

  • What are the most reliable airlines from Santa Rosa to State of Washington?

    Consider Horizon Air (100%), Finnair (100%) or Qatar Airways (96%) when booking your flight. These represent the most reliable airlines when flying from Santa Rosa to State of Washington.

  • What are the cheapest flights from Santa Rosa to State of Washington?

    Looking for the cheapest flight from Santa Rosa to State of Washington? While on average our users pay $1,015, our data indicates the cheapest price to be $98. The most popular route (Santa Rosa Sonoma County - Seattle/Tacoma Intl), is priced around $157.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Santa Rosa to Washington 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 State of Washington?

    Currently, May is the cheapest month in which you can book a flight from Santa Rosa to State of Washington (average of $76). Flying from Santa Rosa to State of Washington in November is currently the most expensive (average of $102). 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.

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Alternative routes for Santa Rosa to Washington

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Santa Rosa to Washington

Discover the top 2 airlines that operate flights from Santa Rosa to Washington. 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$157Average$301FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$158Average$451FlexibilityNo cancel feeOn-time75%

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