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Santa Rosa

$108+ 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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — STS
Jul 9 — Jul 161
Thu 7/9
Thu 7/16
1 adult, Economy
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Cheap 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 June 9, 2026.

This Southwest deal was found by Cheapflights users on 6/8. 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 8/193:00 pm
PDX
-
STS
1 stop6h 25m
Southwest
Tue 8/256:00 am
STS
-
PDX
1 stop7h 20m
Southwest
Deal found 6/8$216
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/85:45 am
SEA
-
STS
1 stop4h 54m
Delta
Tue 10/1311:25 am
STS
-
SEA
1 stop7h 05m
Delta
Deal found 6/8$226
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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 9/197:19 pm
PDX
-
STS
Nonstop1h 39m
Alaska Airlines
Wed 9/236:53 pm
STS
-
PDX
Nonstop1h 42m
Alaska Airlines
Deal found 6/8$237
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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 11/37:55 pm
SEA
-
STS
Nonstop2h 02m
Alaska Airlines
Sat 11/77:00 am
STS
-
SEA
Nonstop2h 03m
Alaska Airlines
Deal found 6/8$237
This Southwest deal was found by Cheapflights users on 6/8. 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 9/153:00 pm
PDX
-
STS
1 stop6h 25m
Southwest
Thu 9/176:05 am
STS
-
PDX
2 stops8h 40m
Southwest
Deal found 6/8$242
This Southwest deal was found by Cheapflights users on 6/8. 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 8/196:25 am
SEA
-
STS
1 stop4h 55m
Southwest
Thu 8/274:40 pm
STS
-
SEA
2 stops8h 00m
Southwest
Deal found 6/8$242
This Southwest deal was found by Cheapflights users on 6/4. 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.
Fri 7/35:00 am
PDX
-
STS
1 stop11h 35m
Southwest
Mon 7/63:55 pm
STS
-
PDX
1 stop6h 15m
Southwest
Deal found 6/4$254
This Alaska Airlines deal was found by Cheapflights users on 6/8. 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 10/87:53 pm
SEA
-
STS
Nonstop2h 03m
Alaska Airlines
Tue 10/135:04 pm
STS
-
SEA
Nonstop2h 03m
Alaska Airlines
Deal found 6/8$262
This Southwest deal was found by Cheapflights users on 6/8. 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.
Thu 8/203:40 pm
PDX
-
STS
1 stop6h 55m
Southwest
Mon 8/242:55 pm
STS
-
PDX
1 stop8h 10m
Southwest
Deal found 6/8$263
This Alaska Airlines deal was found by Cheapflights users on 6/6. 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 10/812:13 pm
SEA
-
STS
1 stop4h 42m
Alaska Airlines
Thu 10/157:00 am
STS
-
SEA
Nonstop2h 03m
Alaska Airlines
Deal found 6/6$267
This Southwest deal was found by Cheapflights users on 6/8. 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.
Thu 8/203:40 pm
SEA
-
STS
2 stops6h 55m
Southwest
Thu 8/274:40 pm
STS
-
SEA
2 stops8h 00m
Southwest
Deal found 6/8$268
This Delta deal was found by Cheapflights users on 6/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/95:45 am
SEA
-
STS
1 stop4h 54m
Delta
Tue 10/1311:25 am
STS
-
SEA
1 stop5h 28m
Delta
Deal found 6/8$271

Find 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 June 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$216
(Southwest)

One-way from

$108
(Delta)

Popular in

March

Cheapest in

January

Average price

$265

Good round-trip deal

$217 or less

Good one-way deal

$203 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.
Search Deals
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. 9% potential increase in price ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
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 June 9, 2026.
Use the filters below to find and compare flights from Washington to Santa Rosa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

PortlandSanta Rosa

PDX - STS

PDXSTS

Portland

Sat 9/19

7:19 pm-8:58 pm

Nonstop1h 39m

Santa Rosa Sonoma County

Wed 9/23

6:53 pm-8:35 pm

Nonstop1h 42m

$237

SeattleSanta Rosa

SEA - STS

SEASTS

Seattle/Tacoma Intl

Tue 11/3

7:55 pm-9:57 pm

Nonstop2h 02m

Santa Rosa Sonoma County

Sat 11/7

7:00 am-9:03 am

Nonstop2h 03m

$237

SeattleSanta Rosa

SEA - STS

SEASTS

Seattle/Tacoma Intl

Wed 8/19

6:25 am-11:20 am

1 stop4h 55m

Santa Rosa Sonoma County

Thu 8/27

4:40 pm-12:40 am

2 stops8h 00m

$242

SeattleSanta Rosa

SEA - STS

SEASTS

Seattle/Tacoma Intl

Tue 9/29

7:54 pm-9:56 pm

Nonstop2h 02m

Santa Rosa Sonoma County

Mon 10/5

5:04 pm-7:07 pm

Nonstop2h 03m

$247

SeattleSanta Rosa

SEA - STS

SEASTS

Seattle/Tacoma Intl

Thu 8/20

3:40 pm-10:35 pm

2 stops6h 55m

Santa Rosa Sonoma County

Thu 8/27

4:40 pm-12:40 am

2 stops8h 00m

$268

SeattleSanta Rosa

SEA - STS

SEASTS

Seattle/Tacoma Intl

Thu 9/24

2:35 pm-10:35 pm

2 stops8h 00m

Santa Rosa Sonoma County

Sun 9/27

7:05 am-4:05 pm

2 stops9h 00m

$287

SeattleSanta Rosa

SEA - STS

SEASTS

Seattle/Tacoma Intl

Fri 11/6

1:00 pm-5:03 pm

1 stop4h 03m

Santa Rosa Sonoma County

Sun 11/8

12:22 pm-5:02 pm

1 stop4h 40m

$292

SpokaneSanta Rosa

GEG - STS

GEGSTS

Spokane

Sat 9/19

5:52 am-12:46 pm

1 stop6h 54m

Santa Rosa Sonoma County

Tue 9/22

7:03 am-11:36 am

1 stop4h 33m

$299

PortlandSanta Rosa

PDX - STS

PDXSTS

Portland

Fri 7/3

12:15 pm-11:30 pm

2 stops11h 15m

Santa Rosa Sonoma County

Fri 7/10

5:10 pm-11:25 pm

2 stops6h 15m

$303

PortlandSanta Rosa

PDX - STS

PDXSTS

Portland

Sat 8/8

2:30 pm-4:15 pm

Nonstop1h 45m

Santa Rosa Sonoma County

Thu 8/13

7:00 am-8:47 am

Nonstop1h 47m

$307

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

Showing 1-10 of 60 resultsSorted by cheapest first
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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, February is the cheapest month in which you can book a flight from State of Washington to Santa Rosa (average of $68). Flying from State of Washington to Santa Rosa in June is currently the most expensive (average of $217). 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 June 9, 2026.

When flying from State of Washington 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 State of Washington to Santa Rosa?

How far ahead should I book a flight from State of Washington to Santa Rosa?

The best time to book flights from State of Washington to Santa Rosa is 89 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.

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 and Southwest can get you from State of Washington to Santa Rosa in just under 1h 39m. Your travel time can differ by up to 3h 16m. Airlines will cover a distance of 489 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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: Qatar Airways (93%), Hawaiian Airlines (93%), Alaska Airlines (87%).

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

    On average you can expect to pay $263 for a flight from State of Washington to Santa Rosa. The cheapest flight overall is $203 while the most popular route, (Seattle/Tacoma Intl - Santa Rosa Sonoma County) is currently priced at $237.

  • 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, February is the cheapest month in which you can book a flight from State of Washington to Santa Rosa (average of $68). Flying from State of Washington to Santa Rosa in June is currently the most expensive (average of $217). 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 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 June 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$157Average$362FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$177Average$272FlexibilityNo cancel feeOn-time85%

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