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Washington, D.C.

$246+ 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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
STS — WAS
Aug 6 — Aug 131
Thu 8/6
Thu 8/13
1 adult, Economy
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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 July 7, 2026.

This Alaska Airlines deal was found by Cheapflights users on 7/3. 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 8/246:13 am
STS
-
IAD
1 stop9h 01m
Alaska Airlines
Tue 8/257:00 am
IAD
-
STS
1 stop8h 43m
Alaska Airlines
Deal found 7/3$409
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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 9/17:10 am
STS
-
DCA
1 stop9h 50m
Alaska Airlines
Sat 9/59:30 am
DCA
-
STS
1 stop15h 05m
Alaska Airlines
Deal found 7/2$421
This Southwest deal was found by Cheapflights users on 7/2. 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.
Sat 8/156:00 am
STS
-
DCA
2 stops11h 05m
Southwest
Sat 8/227:00 am
DCA
-
STS
1 stop8h 05m
Southwest
Deal found 7/2$434
This Orbitz deal was found by Cheapflights users on 7/6. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/216:26 pm
STS
-
DCA
1 stop22h 34m
Alaska Airlines
Sat 10/246:57 pm
DCA
-
STS
2 stops19h 26m
Alaska Airlines
Deal found 7/6$448
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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 8/196:13 am
STS
-
IAD
1 stop9h 01m
Alaska Airlines
Tue 8/257:00 am
IAD
-
STS
1 stop8h 43m
Alaska Airlines
Deal found 7/3$450
This Expedia deal was found by Cheapflights users on 7/2. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/126:26 am
STS
-
IAD
1 stop9h 19m
Alaska Airlines
Sun 8/167:53 pm
IAD
-
STS
1 stop30h 05m
Alaska Airlines
Deal found 7/2$451
This Alaska Airlines deal was found by Cheapflights users on 7/2. 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 9/146:47 pm
STS
-
IAD
1 stop20h 27m
Alaska Airlines
Thu 9/177:00 am
IAD
-
STS
2 stops19h 54m
Alaska Airlines
Deal found 7/2$456
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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 8/186:26 am
STS
-
IAD
1 stop9h 19m
Alaska Airlines
Mon 8/247:00 am
IAD
-
STS
1 stop8h 43m
Alaska Airlines
Deal found 7/3$458
This Alaska Airlines deal was found by Cheapflights users on 7/5. 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 8/196:13 am
STS
-
DCA
1 stop11h 47m
Alaska Airlines
Tue 8/259:30 am
DCA
-
STS
1 stop15h 01m
Alaska Airlines
Deal found 7/5$458
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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 8/246:13 am
STS
-
IAD
1 stop9h 01m
Alaska Airlines
Wed 8/267:00 am
IAD
-
STS
2 stops17h 31m
Alaska Airlines
Deal found 7/3$460
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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 8/216:13 am
STS
-
IAD
1 stop9h 01m
Alaska Airlines
Tue 8/257:00 am
IAD
-
STS
1 stop8h 43m
Alaska Airlines
Deal found 7/3$474
This Alaska Airlines deal was found by Cheapflights users on 7/5. 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 8/196:13 am
STS
-
IAD
1 stop9h 01m
Alaska Airlines
Wed 8/267:00 am
IAD
-
STS
1 stop8h 43m
Alaska Airlines
Deal found 7/5$476

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 July 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$409
(Alaska Airlines)

One-way from

$246
(American Airlines)

Popular in

June

Cheapest in

January

Average price

$515
Provider with most accurate pricing for Santa Rosa Sonoma County-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Santa Rosa Sonoma County-Washington, D.C. (WAS) flights.
Search Deals
From Santa Rosa Sonoma County to Washington, D.C. (WAS)
Search Deals
One-way flight from Santa Rosa Sonoma County to Washington, D.C. (WAS)
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($79 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 July 7, 2026.
Use the filters below to find and compare flights from Santa Rosa to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Tue 8/25

6:13 am-6:14 pm

1 stop9h 01m

Washington, D.C. Dulles Intl

Wed 8/26

7:00 am-12:43 pm

1 stop8h 43m

$409

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Tue 9/1

7:10 am-8:00 pm

1 stop9h 50m

Washington, D.C. Reagan-National

Sat 9/5

9:30 am-9:35 pm

1 stop15h 05m

$421

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Sat 8/15

6:00 am-8:05 pm

2 stops11h 05m

Washington, D.C. Reagan-National

Sat 8/22

7:00 am-12:05 pm

1 stop8h 05m

$434

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Mon 9/14

6:47 pm-6:14 pm

1 stop20h 27m

Washington, D.C. Dulles Intl

Thu 9/17

7:00 am-11:54 pm

2 stops19h 54m

$456

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Tue 8/18

6:26 am-6:45 pm

1 stop9h 19m

Washington, D.C. Dulles Intl

Mon 8/24

7:00 am-12:43 pm

1 stop8h 43m

$458

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Mon 9/14

4:36 pm-8:00 pm

1 stop24h 24m

Washington, D.C. Reagan-National

Thu 9/17

9:30 am-6:18 pm

1 stop11h 48m

$458

Santa RosaBaltimore

STS - BWI

STSBWI

Santa Rosa Sonoma County

Tue 8/25

5:34 pm-6:30 am

1 stop9h 56m

Baltimore/Washington

Wed 8/26

4:43 pm-9:15 am

1 stop19h 32m

$484

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Fri 8/21

6:13 am-6:14 pm

1 stop9h 01m

Washington, D.C. Dulles Intl

Wed 8/26

7:00 am-12:43 pm

1 stop8h 43m

$500

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Fri 8/21

6:13 am-9:00 pm

1 stop11h 47m

Washington, D.C. Reagan-National

Tue 8/25

9:30 am-9:31 pm

1 stop15h 01m

$503

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Fri 8/21

6:13 am-9:00 pm

1 stop11h 47m

Washington, D.C. Reagan-National

Wed 8/26

9:30 am-9:31 pm

1 stop15h 01m

$503

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/6

Showing 1-10 of 45 resultsSorted by cheapest first
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  • Most accurate provider: When it comes to deals on Santa Rosa-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Santa Rosa-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% 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 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 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.
No data available for this route at this time. Please check back soon.

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 $409, Alaska Airlines can have you in Washington, D.C. from Santa Rosa in 9h 01m. Airlines will cover a distance of 2418 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 Santa Rosa to Washington, D.C.?

    When deciding which route to take from Santa Rosa to Washington, D.C. consider Santa Rosa Sonoma County - Washington, D.C. Dulles Intl, Santa Rosa Sonoma County - Baltimore/Washington or Santa Rosa Sonoma County - Washington, D.C. Reagan-National as they are the most popular.

  • 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.

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
Arlington
Tysons
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Hyattsville
Manassas
Falls Church
Fredericksburg
Hanover
Laurel
Silver Spring
Clinton
Hunt Valley
Cordova
Woodbridge

Browse thousands of different options on Cheapflights for your next trip

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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 July 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$296Average$482FlexibilityNo cancel feeOn-time75%

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