Washington, D.C.

$187+ Cheap flights from Santa Rosa (STS) to Washington, D.C. (WAS)

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 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
STS — WAS
Jan 17 — Jan 241
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Santa Rosa to Washington, D.C. with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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

Cheapest flights from Santa Rosa to Washington, D.C.
Explore the most affordable flight options available from Santa Rosa to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 12/256:00 amSTS - IAD
1 stop9h 09mAlaska Airlines
Thu 1/17:33 amIAD - STS
1 stop8h 59mAlaska Airlines
Deal found 12/16$620
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 12/256:00 amSTS - IAD
1 stop9h 09mAlaska Airlines
Wed 12/316:29 pmIAD - STS
1 stop19h 54mAlaska Airlines
Deal found 12/16$636
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 12/317:00 amSTS - DCA
1 stop10h 39mAlaska Airlines
Thu 1/19:59 amDCA - STS
1 stop17h 19mAlaska Airlines
Deal found 12/16$692
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 12/257:00 amSTS - DCA
2 stops11h 59mAlaska Airlines
Thu 1/19:59 amDCA - STS
1 stop17h 19mAlaska Airlines
Deal found 12/16$717
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 12/257:00 amSTS - DCA
2 stops11h 59mAlaska Airlines
Fri 1/29:59 amDCA - STS
1 stop8h 14mAlaska Airlines
Deal found 12/16$730
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 12/256:00 amSTS - BWI
1 stop9h 00mAlaska Airlines
Fri 1/27:04 amBWI - STS
2 stops15h 06mAlaska Airlines
Deal found 12/16$747
This Alaska Airlines deal was found by Cheapflights users on 12/17. 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 12/256:00 amSTS - IAD
1 stop9h 09mAlaska Airlines
Mon 12/296:29 pmIAD - STS
1 stop8h 30mAlaska Airlines
Deal found 12/17$822
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 12/287:00 amSTS - DCA
1 stop10h 39mAlaska Airlines
Thu 1/19:59 amDCA - STS
1 stop8h 14mAlaska Airlines
Deal found 12/16$863
This Alaska Airlines deal was found by Cheapflights users on 12/17. 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 12/266:00 amSTS - IAD
1 stop8h 43mAlaska Airlines
Wed 12/316:29 pmIAD - STS
1 stop19h 54mAlaska Airlines
Deal found 12/17$890
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 12/226:45 amSTS - IAD
1 stop7h 36mAlaska Airlines
Thu 1/17:33 amIAD - STS
1 stop8h 59mAlaska Airlines
Deal found 12/16$943
This Alaska Airlines deal was found by Cheapflights users on 12/17. 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 12/276:00 amSTS - IAD
1 stop8h 43mAlaska Airlines
Wed 12/316:29 pmIAD - STS
1 stop19h 54mAlaska Airlines
Deal found 12/17$960
This Alaska Airlines deal was found by Cheapflights users on 12/17. 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 12/267:00 amSTS - DCA
1 stop10h 39mAlaska Airlines
Wed 12/318:59 amDCA - STS
1 stop29h 24mAlaska Airlines
Deal found 12/17$978

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

Discover tips and strategies to find the most affordable flight options for your journey from Santa Rosa (STS) to Washington, D.C. (WAS). 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 18, 2025.

Most accurate provider

Priceline
1 star

Most trusted provider

Priceline
3 stars

Round-trip from

$304
(Alaska Airlines)

One-way from

$187
(Alaska Airlines)

Popular in

December

Cheapest in

February

Average price

$542
Provider with most accurate pricing for Santa Rosa Sonoma County-Washington, D.C. (WAS) flight deals.
Provider most trusted by Cheapflights users for Santa Rosa Sonoma County-Washington, D.C. (WAS) flights.
From Santa Rosa Sonoma County to Washington, D.C. (WAS)
One-way flight from Santa Rosa Sonoma County to Washington, D.C. (WAS)
Highest demand for flights based on searches. 8% potential increase in price ($37 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
Average for round-trip flights in December 2025

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santa Rosa to Washington, D.C. 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 18, 2025.
Use the filters below to find and compare flights from Santa Rosa to Washington, D.C. that are best for you.

Fly from

Santa Rosa

Fly to

Washington, D.C.

Route

Depart

Return

Price

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Tue 2/17

7:57 pm-5:20 pm

1 stop18h 23m

Washington, D.C. Dulles Intl

Tue 2/24

7:05 am-9:52 pm

1 stop17h 47m

$304

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Sat 2/14

7:57 pm-5:20 pm

1 stop18h 23m

Washington, D.C. Dulles Intl

Mon 2/23

7:05 am-11:50 pm

1 stop19h 45m

$304

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Tue 2/17

7:57 pm-5:20 pm

1 stop18h 23m

Washington, D.C. Dulles Intl

Mon 2/23

7:05 am-10:32 am

1 stop30h 27m

$304

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Tue 2/17

7:57 pm-5:20 pm

1 stop18h 23m

Washington, D.C. Dulles Intl

Sat 2/21

7:05 am-9:52 pm

1 stop17h 47m

$343

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Sat 2/14

7:57 pm-5:20 pm

1 stop18h 23m

Washington, D.C. Dulles Intl

Fri 2/20

6:27 pm-9:52 pm

1 stop30h 25m

$343

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Tue 2/17

7:57 pm-5:20 pm

1 stop18h 23m

Washington, D.C. Dulles Intl

Fri 2/20

6:27 pm-9:52 pm

1 stop30h 25m

$343

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Sat 2/14

7:57 pm-5:20 pm

1 stop18h 23m

Washington, D.C. Dulles Intl

Tue 2/24

7:05 am-10:11 am

2 stops30h 06m

$353

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Wed 2/11

7:00 am-9:59 pm

2 stops11h 59m

Washington, D.C. Reagan-National

Sat 2/14

8:00 am-9:52 pm

1 stop16h 52m

$353

Santa RosaBaltimore

STS - BWI

STSBWI

Santa Rosa Sonoma County

Tue 2/17

7:57 pm-5:46 pm

1 stop18h 49m

Baltimore/Washington

Tue 2/24

6:46 pm-9:52 pm

1 stop30h 06m

$362

Santa RosaBaltimore

STS - BWI

STSBWI

Santa Rosa Sonoma County

Thu 2/12

7:57 pm-5:46 pm

1 stop18h 49m

Baltimore/Washington

Wed 2/18

6:46 pm-11:50 pm

1 stop32h 04m

$402

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 46 results
1
2
3
...
5
  • Most accurate provider: When it comes to deals on Santa Rosa-Washington, D.C. flights, users find the pricing of Priceline to be most consistent on Cheapflights vs. Priceline Users can find the same prices on Santa Rosa-Washington, D.C. flight deals on Cheapflights vs. Priceline <90% of the time. Price accuracy is based on data collected from Santa Rosa-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Santa Rosa-Washington, D.C. flights, Cheapflights users trust Priceline the most. Priceline 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-Washington, D.C. 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 Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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, D.C.

What is the cheapest month to book a flight from Santa Rosa to Washington, D.C.?

Currently, May is the cheapest month in which you can book a flight from Santa Rosa to Washington, D.C. (average of $118). Flying from Santa Rosa to Washington, D.C. in July is currently the most expensive (average of $238). 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.

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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, D.C.. Reviews last updated December 18, 2025.
Read through reviews of airlines operating flights from Santa Rosa to Washington, D.C., such as Alaska Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Entertainment

7.0

Food

7.1

Boarding

8.1

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Related info for your journey

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

    Santa Rosa Sonoma County (STS) is the airport you will fly out of if you book a flight from Santa Rosa to Washington, D.C.. You should not have trouble finding flights to Washington, D.C. from Sonoma County; the airport handles an average of 0 outbound flights to Washington, D.C. per day. You should also have plenty of airline options to choose from since 1 airline has flights from the Santa Rosa airport to Washington, D.C.. It is only a 7.2 mi journey to Sonoma County (STS) from Santa Rosa’s city center.

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

    For as low as $304, Alaska Airlines can have you in Washington, D.C. from Santa Rosa in 18h 23m. Airlines will cover a distance of 2418 mi.

  • What is the cheapest airline to fly from Santa Rosa to Washington, D.C. round-trip?

    According to our current data, Alaska Airlines ($320), offers the cheapest pricing from Santa Rosa to Washington, D.C..

  • What are the most popular routes from Santa Rosa to Washington, D.C.?

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

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

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

    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, D.C..

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

    Yes. Cheapflights offers flight deals from Santa Rosa to Washington, D.C. 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 Washington, D.C.?

    Currently, May is the cheapest month in which you can book a flight from Santa Rosa to Washington, D.C. (average of $118). Flying from Santa Rosa to Washington, D.C. in July is currently the most expensive (average of $238). 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 Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Bowie
Largo
McLean
Clinton
Cordova

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Santa Rosa to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Santa Rosa to Washington, D.C.

Discover the top airline that operate flights from Santa Rosa to Washington, D.C.. 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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$320Average$487FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.