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Santa Rosa

$88+ Cheap flights from Washington to Santa Rosa (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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — STS
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Find flight deals from Washington to Santa Rosa

Cheapest flights from Washington to Santa Rosa
Explore the most affordable flight options available from Washington to Santa Rosa. 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 10/30. 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.
Fri 12/511:26 amSEA - STS
Nonstop2h 03mAlaska Airlines
Sat 12/62:21 pmSTS - SEA
Nonstop2h 08mAlaska Airlines
Deal found 10/30$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.
Sat 12/67:00 amPDX - STS
Nonstop1h 48mAlaska Airlines
Mon 12/86:54 pmSTS - PDX
Nonstop1h 48mAlaska Airlines
Deal found 10/29$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.
Fri 12/511:26 amSEA - STS
Nonstop2h 03mAlaska Airlines
Sun 12/77:55 pmSTS - SEA
Nonstop2h 03mAlaska Airlines
Deal found 10/29$157
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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.
Mon 11/175:30 pmPDX - STS
1 stop4h 35mAlaska Airlines
Wed 11/196:49 amSTS - PDX
1 stop7h 00mAlaska Airlines
Deal found 10/27$176
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 12/55:59 pmSEA - STS
1 stop5h 53mAlaska Airlines
Mon 12/87:50 amSTS - SEA
1 stop3h 59mAlaska Airlines
Deal found 10/29$176
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 12/311:26 amSEA - STS
Nonstop2h 03mAlaska Airlines
Wed 12/36:43 pmSTS - SEA
1 stop5h 29mAlaska Airlines
Deal found 10/30$186
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 12/77:00 amPDX - STS
Nonstop1h 48mAlaska Airlines
Tue 12/92:21 pmSTS - PDX
1 stop4h 41mAlaska Airlines
Deal found 10/27$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 11/208:05 pmSEA - STS
Nonstop2h 00mAlaska Airlines
Fri 12/56:54 pmSTS - SEA
1 stop19h 45mAlaska Airlines
Deal found 10/29$191
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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.
Tue 12/25:36 pmPDX - STS
Nonstop1h 39mAlaska Airlines
Thu 12/46:54 pmSTS - PDX
Nonstop1h 48mAlaska Airlines
Deal found 10/27$197
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.
Thu 12/410:59 amSEA - STS
1 stop6h 20mAlaska Airlines
Thu 12/47:55 pmSTS - SEA
Nonstop2h 03mAlaska Airlines
Deal found 10/30$206
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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 11/197:00 amPDX - STS
Nonstop1h 44mAlaska Airlines
Fri 11/218:15 pmSTS - PDX
1 stop10h 03mAlaska Airlines
Deal found 10/27$210
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.
Mon 12/295:48 pmPDX - STS
1 stop6h 30mAlaska Airlines
Wed 12/318:17 pmSTS - PDX
Nonstop1h 46mAlaska Airlines
Deal found 10/30$217

Cheap flight deals from Washington to Santa Rosa

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

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$156
(Kiwi.com)

One-way from

$88
(Alaska Airlines)

Popular in

December

Cheapest in

January

Average price

$268

Good round-trip deal

$197 or less

Good one-way deal

$117 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-San Francisco flights.
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From Washington to Santa Rosa Sonoma County
Search Deals
One-way flight from Washington to Santa Rosa Sonoma County
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($3 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals
Price to beat on a round-trip flight from Washington to Santa Rosa Sonoma County.
Search Deals
Price to beat on a one-way flight from Washington to Santa Rosa Sonoma County.
Search Deals

Cheapflights Fare Finder

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

Fly from

Washington

Fly to

Santa Rosa

Route

Depart

Return

Price

PortlandSanta Rosa

PDX - STS

PDXSTS

Portland

Fri 1/9

5:40 pm-7:24 pm

Nonstop1h 44m

Santa Rosa Sonoma County

Sun 1/11

6:30 pm-8:15 pm

Nonstop1h 45m

$157

PortlandSanta Rosa

PDX - STS

PDXSTS

Portland

Sat 1/10

5:40 pm-7:24 pm

Nonstop1h 44m

Santa Rosa Sonoma County

Wed 1/14

7:50 am-9:38 am

Nonstop1h 48m

$157

SeattleSanta Rosa

SEA - STS

SEASTS

Seattle/Tacoma Intl

Sat 1/17

8:35 am-10:35 am

Nonstop2h 00m

Santa Rosa Sonoma County

Tue 1/20

11:15 am-1:18 pm

Nonstop2h 03m

$157

PortlandSanta Rosa

PDX - STS

PDXSTS

Portland

Mon 11/17

5:30 pm-10:05 pm

1 stop4h 35m

Santa Rosa Sonoma County

Wed 11/19

6:49 am-1:49 pm

1 stop7h 00m

$176

SeattleSanta Rosa

SEA - STS

SEASTS

Seattle/Tacoma Intl

Tue 1/6

6:28 am-2:44 pm

1 stop8h 16m

Santa Rosa Sonoma County

Mon 1/12

7:00 am-12:29 pm

1 stop5h 29m

$176

SeattleSanta Rosa

SEA - STS

SEASTS

Seattle/Tacoma Intl

Wed 12/3

11:26 am-1:29 pm

Nonstop2h 03m

Santa Rosa Sonoma County

Wed 12/3

6:43 pm-12:12 am

1 stop5h 29m

$186

PortlandSanta Rosa

PDX - STS

PDXSTS

Portland

Sat 12/6

5:36 pm-7:15 pm

Nonstop1h 39m

Santa Rosa Sonoma County

Mon 12/8

5:59 pm-11:44 pm

1 stop5h 45m

$187

PortlandSanta Rosa

PDX - STS

PDXSTS

Portland

Sun 12/7

7:00 am-8:48 am

Nonstop1h 48m

Santa Rosa Sonoma County

Mon 12/8

5:59 pm-11:44 pm

1 stop5h 45m

$187

PortlandSanta Rosa

PDX - STS

PDXSTS

Portland

Sun 12/7

7:00 am-8:48 am

Nonstop1h 48m

Santa Rosa Sonoma County

Wed 12/10

8:00 am-1:50 pm

1 stop5h 50m

$187

PortlandSanta Rosa

PDX - STS

PDXSTS

Portland

Tue 12/9

5:49 pm-9:52 pm

1 stop4h 03m

Santa Rosa Sonoma County

Fri 12/12

6:54 pm-8:42 pm

Nonstop1h 48m

$187

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/28

Showing 1-10 of 46 results
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Best time to book a flight from Washington to Santa Rosa

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

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

Currently, April is the cheapest month in which you can book a flight from State of Washington to Santa Rosa (average of $62). Flying from State of Washington to Santa Rosa in August is currently the most expensive (average of $100). 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 WA to STS?

Find hourly flight availability from Washington 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 October 30, 2025.

A simple way to save on the total cost of your ticket is to fly from State of Washington to Santa Rosa in the afternoon. If you’re flexible enough to do this you can expect to save up to 47% on your trip compared to booking a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Washington to Santa Rosa. Price data was last updated on November 3, 2024.

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

Related info for your journey

Find useful and relevant information for your journey from Washington 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 airport do you fly into for flights to Santa Rosa from Washington?

    Located just 7.2 mi from the city center, Santa Rosa Sonoma County (STS) is the airport most travelers will use when flying to Santa Rosa from Washington.

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

    This flight path from Washington to Santa Rosa Sonoma County 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 State of Washington to Santa Rosa?

    Alaska Airlines can get you from State of Washington to Santa Rosa in just under 1h 44m. Your travel time will be generally consistent. Airlines will cover a distance of 489 mi. Most flights are nonstop.

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

    Most travelers choose Seattle/Tacoma Intl - Santa Rosa Sonoma County, Portland - Santa Rosa Sonoma County or Spokane - Santa Rosa Sonoma County when deciding on the best route from State of Washington to Santa Rosa.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from State of Washington to Santa Rosa on time: Finnair (100%), Japan Airlines (97%), Horizon Air (95%).

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

    On average you can expect to pay $290 for a flight from State of Washington to Santa Rosa. The cheapest flight overall is $117 while the most popular route, (Seattle/Tacoma Intl - Santa Rosa Sonoma County) is currently priced at $157.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from State of Washington to Santa Rosa (average of $62). Flying from State of Washington to Santa Rosa in August is currently the most expensive (average of $100). 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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Alternative routes for Washington to Santa Rosa

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

Discover the top 2 airlines that operate flights from Washington 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$165Average$347FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$186Average$308FlexibilityNo cancel feeOn-time85%

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