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$199+ Cheap flights from Washington, D.C. (WAS) 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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — STS
Jun 14 — Jun 211
Sun 6/14
Sun 6/21
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Santa Rosa

Cheapest flights from Washington, D.C. to Santa Rosa
Explore the most affordable flight options available from Washington, D.C. to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 15, 2026.

This Alaska Airlines deal was found by Cheapflights users on 5/13. 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 8/46:03 am
IAD
-
STS
1 stop8h 55m
Alaska Airlines
Wed 8/126:26 am
STS
-
IAD
1 stop9h 19m
Alaska Airlines
Deal found 5/13$417
This Alaska Airlines deal was found by Cheapflights users on 5/12. 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 10/217:00 am
IAD
-
STS
1 stop9h 06m
Alaska Airlines
Sat 10/246:16 am
STS
-
IAD
1 stop8h 37m
Alaska Airlines
Deal found 5/12$428
This Southwest deal was found by Cheapflights users on 5/11. 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 8/186:30 am
BWI
-
STS
1 stop7h 50m
Southwest
Mon 8/241:05 pm
STS
-
BWI
1 stop7h 20m
Southwest
Deal found 5/11$428
This Southwest deal was found by Cheapflights users on 5/15. 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 8/136:40 am
BWI
-
STS
1 stop10h 40m
Southwest
Mon 8/174:40 pm
STS
-
BWI
2 stops10h 50m
Southwest
Deal found 5/15$444
This Southwest deal was found by Cheapflights users on 5/13. 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 8/203:00 pm
BWI
-
STS
2 stops10h 35m
Southwest
Sat 8/222:00 pm
STS
-
BWI
2 stops15h 55m
Southwest
Deal found 5/13$455
This Alaska Airlines deal was found by Cheapflights users on 5/12. 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 9/194:34 pm
BWI
-
STS
1 stop19h 41m
Alaska Airlines
Tue 9/225:31 pm
STS
-
BWI
1 stop9h 59m
Alaska Airlines
Deal found 5/12$463
This Alaska Airlines deal was found by Cheapflights users on 5/11. 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 5/288:59 am
DCA
-
STS
1 stop8h 14m
Alaska Airlines
Tue 6/27:01 am
STS
-
DCA
1 stop10h 59m
Alaska Airlines
Deal found 5/11$468
This Alaska Airlines deal was found by Cheapflights users on 5/11. 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 5/286:00 am
IAD
-
STS
1 stop9h 17m
Alaska Airlines
Tue 6/28:26 pm
STS
-
IAD
1 stop8h 08m
Alaska Airlines
Deal found 5/11$468
This Alaska Airlines deal was found by Cheapflights users on 5/13. 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 8/56:03 am
IAD
-
STS
1 stop8h 55m
Alaska Airlines
Tue 8/116:26 am
STS
-
IAD
1 stop9h 19m
Alaska Airlines
Deal found 5/13$472
This Alaska Airlines deal was found by Cheapflights users on 5/13. 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 7/46:03 am
IAD
-
STS
1 stop8h 55m
Alaska Airlines
Tue 7/147:23 pm
STS
-
IAD
1 stop8h 16m
Alaska Airlines
Deal found 5/13$478
This Southwest deal was found by Cheapflights users on 5/11. 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 9/162:00 pm
BWI
-
STS
1 stop10h 25m
Southwest
Sun 9/205:05 pm
STS
-
BWI
1 stop10h 30m
Southwest
Deal found 5/11$478
This Alaska Airlines deal was found by Cheapflights users on 5/12. 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 10/137:00 am
IAD
-
STS
1 stop9h 06m
Alaska Airlines
Sat 10/176:16 am
STS
-
IAD
1 stop8h 37m
Alaska Airlines
Deal found 5/12$483

Find flight deals from Washington, D.C. to Santa Rosa

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) 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 May 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$417
(Alaska Airlines)

One-way from

$199
(American Airlines)

Popular in

March

Cheapest in

February

Average price

$462
Provider with most accurate pricing for Washington, D.C. (WAS)-Santa Rosa Sonoma County flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Santa Rosa Sonoma County flights.
Search Deals
From Washington, D.C. (WAS) to Santa Rosa Sonoma County
Search Deals
One-way flight from Washington, D.C. (WAS) to Santa Rosa Sonoma County
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 May 15, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Santa Rosa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BaltimoreSanta Rosa

BWI - STS

BWISTS

Baltimore/Washington

Tue 8/18

6:30 am-11:20 am

1 stop7h 50m

Santa Rosa Sonoma County

Mon 8/24

4:40 pm-6:30 am

2 stops10h 50m

$433

BaltimoreSanta Rosa

BWI - STS

BWISTS

Baltimore/Washington

Thu 8/13

6:40 am-2:20 pm

1 stop10h 40m

Santa Rosa Sonoma County

Mon 8/17

4:40 pm-6:30 am

2 stops10h 50m

$444

BaltimoreSanta Rosa

BWI - STS

BWISTS

Baltimore/Washington

Sat 9/19

4:34 pm-9:15 am

1 stop19h 41m

Santa Rosa Sonoma County

Tue 9/22

5:31 pm-6:30 am

1 stop9h 59m

$463

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Tue 10/13

7:00 am-1:06 pm

1 stop9h 06m

Santa Rosa Sonoma County

Sat 10/17

6:16 am-5:53 pm

1 stop8h 37m

$483

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Wed 10/21

7:00 am-7:19 pm

2 stops15h 19m

Santa Rosa Sonoma County

Mon 10/26

5:04 pm-5:40 am

1 stop9h 36m

$483

BaltimoreSanta Rosa

BWI - STS

BWISTS

Baltimore/Washington

Wed 6/10

2:10 pm-10:45 pm

2 stops11h 35m

Santa Rosa Sonoma County

Wed 6/17

2:15 pm-5:40 am

2 stops12h 25m

$488

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Tue 9/1

9:30 am-6:16 pm

1 stop11h 46m

Santa Rosa Sonoma County

Wed 9/2

7:10 am-8:00 pm

1 stop9h 50m

$511

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Fri 5/29

8:59 am-2:13 pm

1 stop8h 14m

Santa Rosa Sonoma County

Tue 6/2

7:01 am-9:00 pm

1 stop10h 59m

$523

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Tue 8/11

9:59 am-3:55 pm

1 stop8h 56m

Santa Rosa Sonoma County

Wed 8/19

6:13 am-9:00 pm

1 stop11h 47m

$528
Quickest round-trip

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Tue 6/30

6:03 am-11:58 am

1 stop8h 55m

Santa Rosa Sonoma County

Tue 7/7

7:23 pm-6:39 am

1 stop8h 16m

$539

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/14

Showing 1-10 of 56 resultsSorted by cheapest first
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Compare providers for flights from Washington, D.C. 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 Washington, D.C. to Santa Rosa in May.
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 Washington, D.C.-Santa Rosa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Santa Rosa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Santa Rosa flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-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 Washington, D.C.-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 Washington, D.C. to Santa Rosa

Have a flexible travel schedule? Discover the best time to fly to Santa Rosa from Washington, D.C. 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, D.C. to Santa Rosa
No data available for this route at this time. Please check back soon.

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 May 15, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines and American Airlines from Washington, D.C. to Santa Rosa to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,367 reviews

Food

7.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Overall

7.9

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
Alaska Airlines
7.9
Good
12,367 reviews
Alaska Airlines
7.9
Good
12,367 reviews

Food

7.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Overall

7.9

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.
American Airlines
7.1
Good
11,662 reviews
Alaska Airlines
7.9
Good
12,367 reviews

Food

7.0

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Overall

7.9

Reviews

1 / 20
10.0
Excellent

robert,Feb 2026

LAS - SAN

The good customer service team made you fell welcome on the flight.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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, D.C.?

    For a flight from Washington, D.C. to Santa Rosa, you will be flying into Sonoma County. Santa Rosa Sonoma County (STS) is just 7.2 mi from the center of the city. Sonoma County is the only Santa Rosa airport and it handles 0 inbound flights from Washington, D.C. per day. 1 airline has flights to Santa Rosa Sonoma County from Washington, D.C. on a regular basis.

  • How long is the flight from Washington, D.C. to Santa Rosa?

    For as low as $428, Southwest can have you in Santa Rosa from Washington, D.C. in 7h 50m. The distance between Washington, D.C. and Santa Rosa is about 2455 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 Washington, D.C. to Santa Rosa?

    The most popular route from Washington, D.C. to Santa Rosa is Baltimore/Washington - Santa Rosa Sonoma County. You may also consider Washington, D.C. Dulles Intl - Santa Rosa Sonoma County or Washington, D.C. Reagan-National - Santa Rosa Sonoma County.

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

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

  • How can I find direct flights from Washington, D.C. 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, D.C. to Santa Rosa.

  • Can I find deals for business class flights from Washington, D.C. to Santa Rosa?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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.

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 Washington, D.C. to Santa Rosa

Discover the top airline that operate flights from Washington, D.C. 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 May 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$528Average$603FlexibilityNo cancel feeOn-time71%

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