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Washington, D.C.

$209+ 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
STS — WAS
Jun 16 — Jun 231
Tue 6/16
Tue 6/23
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 May 17, 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 8/45:56 pm
STS
-
IAD
1 stop21h 49m
Alaska Airlines
Tue 8/116:14 pm
IAD
-
STS
1 stop20h 44m
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.
Tue 9/15:31 pm
STS
-
BWI
1 stop9h 59m
Alaska Airlines
Wed 9/24:34 pm
BWI
-
STS
1 stop8h 11m
Alaska Airlines
Deal found 5/12$417
This Southwest deal was found by Cheapflights users on 5/14. 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 9/166:00 am
STS
-
BWI
1 stop9h 50m
Southwest
Tue 9/2210:35 am
BWI
-
STS
2 stops13h 50m
Southwest
Deal found 5/14$422
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 9/236:13 am
STS
-
IAD
1 stop9h 01m
Alaska Airlines
Sat 9/267:00 am
IAD
-
STS
1 stop8h 52m
Alaska Airlines
Deal found 5/12$428
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.
Mon 9/1410:34 am
STS
-
IAD
1 stop28h 40m
Alaska Airlines
Thu 9/177:29 pm
IAD
-
STS
1 stop17h 25m
Alaska Airlines
Deal found 5/13$439
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.
Mon 9/1412:01 pm
STS
-
DCA
1 stop28h 59m
Alaska Airlines
Thu 9/179:30 am
DCA
-
STS
1 stop11h 48m
Alaska Airlines
Deal found 5/13$439
This Southwest deal was found by Cheapflights users on 5/14. 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 9/126:00 am
STS
-
BWI
1 stop9h 30m
Southwest
Sat 9/192:20 pm
BWI
-
STS
1 stop8h 30m
Southwest
Deal found 5/14$439
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 6/28:26 pm
STS
-
IAD
1 stop8h 08m
Alaska Airlines
Tue 6/237:49 pm
IAD
-
STS
2 stops24h 27m
Alaska Airlines
Deal found 5/12$471
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/44:12 pm
STS
-
BWI
2 stops16h 09m
American Airlines
Tue 8/116:00 am
BWI
-
STS
2 stops12h 37m
American Airlines
Deal found 5/13$471
This Alaska Airlines deal was found by Cheapflights users on 5/17. 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.
Tue 7/146:26 am
STS
-
IAD
1 stop9h 19m
Alaska Airlines
Wed 7/296:03 am
IAD
-
STS
1 stop8h 55m
Alaska Airlines
Deal found 5/17$472
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 8/412:52 pm
STS
-
BWI
1 stop14h 35m
Alaska Airlines
Tue 8/117:50 am
BWI
-
STS
1 stop31h 08m
Alaska Airlines
Deal found 5/12$472
This Alaska Airlines deal was found by Cheapflights users on 5/14. 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 6/47:01 am
STS
-
IAD
1 stop7h 41m
Alaska Airlines
Tue 6/96:00 am
IAD
-
STS
1 stop9h 17m
Alaska Airlines
Deal found 5/14$473

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 May 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$417
(Alaska Airlines)

One-way from

$209
(Alaska Airlines)

Popular in

December

Cheapest in

January

Average price

$472
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
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 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 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 May 17, 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

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Tue 8/4

6:26 am-6:45 pm

1 stop9h 19m

Washington, D.C. Dulles Intl

Tue 8/11

6:14 pm-11:58 am

1 stop20h 44m

$417

Santa RosaBaltimore

STS - BWI

STSBWI

Santa Rosa Sonoma County

Tue 9/1

5:31 pm-6:30 am

1 stop9h 59m

Baltimore/Washington

Wed 9/2

4:34 pm-9:45 pm

1 stop8h 11m

$417

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Wed 9/23

6:13 am-6:14 pm

1 stop9h 01m

Washington, D.C. Dulles Intl

Sat 9/26

7:00 am-12:52 pm

1 stop8h 52m

$428

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Mon 9/14

10:34 am-6:14 pm

1 stop28h 40m

Washington, D.C. Dulles Intl

Thu 9/17

7:00 am-12:46 pm

1 stop8h 46m

$439

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

10:59 am-11:54 pm

1 stop15h 55m

$439

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Tue 9/1

5:31 pm-5:40 am

1 stop9h 09m

Washington, D.C. Dulles Intl

Sat 9/5

7:00 am-12:54 pm

1 stop8h 54m

$478

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

5:00 pm-12:43 pm

1 stop22h 43m

$495

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Fri 6/5

5:44 pm-7:34 am

2 stops10h 50m

Washington, D.C. Dulles Intl

Tue 6/9

6:00 am-11:56 pm

2 stops20h 56m

$496

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Sat 7/4

6:26 am-6:57 pm

1 stop9h 31m

Washington, D.C. Dulles Intl

Tue 7/7

7:49 pm-10:24 am

1 stop17h 35m

$500

Santa RosaBaltimore

STS - BWI

STSBWI

Santa Rosa Sonoma County

Tue 8/4

7:00 am-3:16 pm

1 stop29h 16m

Baltimore/Washington

Tue 8/11

7:50 am-11:58 am

1 stop31h 08m

$527

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/17

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 $417, Alaska Airlines can have you in Washington, D.C. from Santa Rosa in 9h 19m. 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 - Baltimore/Washington, Santa Rosa Sonoma County - Washington, D.C. Dulles Intl 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
Tysons
Owings Mills
Springfield
Arlington
Herndon
Rockville
Hyattsville
Manassas
Fredericksburg
Silver Spring
Hanover
Laurel
Woodbridge
Waldorf
Largo
Clinton
Hunt Valley
Cordova
Reston

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 May 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$296Average$482FlexibilityNo cancel feeOn-time75%

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