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$177+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — STS
Apr 28 — May 51
Tue 4/28
Tue 5/5
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 March 29, 2026.

This Travelocity deal was found by Cheapflights users on 3/24. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/259:59 am
DCA
-
STS
1 stop16h 02m
Alaska Airlines
Tue 4/287:10 pm
STS
-
DCA
1 stop21h 50m
Alaska Airlines
Deal found 3/24$396
This Alaska Airlines deal was found by Cheapflights users on 3/25. 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 5/67:04 am
BWI
-
STS
2 stops19h 55m
Alaska Airlines
Sat 5/97:46 pm
STS
-
BWI
1 stop30h 58m
Alaska Airlines
Deal found 3/25$399
This Southwest deal was found by Cheapflights users on 3/24. 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 4/2512:10 pm
BWI
-
STS
1 stop11h 20m
Southwest
Tue 4/284:35 pm
STS
-
BWI
2 stops10h 05m
Southwest
Deal found 3/24$401
This Alaska Airlines deal was found by Cheapflights users on 3/26. 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 5/58:59 am
DCA
-
STS
1 stop13h 07m
Alaska Airlines
Wed 5/67:23 am
STS
-
DCA
1 stop10h 37m
Alaska Airlines
Deal found 3/26$403
This Alaska Airlines deal was found by Cheapflights users on 3/26. 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 5/197:37 pm
IAD
-
STS
1 stop31h 13m
Alaska Airlines
Wed 5/278:26 pm
STS
-
IAD
1 stop8h 08m
Alaska Airlines
Deal found 3/26$415
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 5/116:47 pm
IAD
-
STS
1 stop19h 11m
Alaska Airlines
Sat 5/167:06 am
STS
-
IAD
1 stop7h 36m
Alaska Airlines
Deal found 3/27$430
This Alaska Airlines deal was found by Cheapflights users on 3/25. 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 5/67:04 am
BWI
-
STS
2 stops19h 55m
Alaska Airlines
Mon 5/111:13 pm
STS
-
BWI
1 stop13h 31m
Alaska Airlines
Deal found 3/25$435
This Travelocity deal was found by Cheapflights users on 3/24. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/259:00 am
IAD
-
STS
1 stop16h 57m
Alaska Airlines
Tue 4/287:23 am
STS
-
IAD
2 stops13h 46m
Alaska Airlines
Deal found 3/24$436
This Alaska Airlines deal was found by Cheapflights users on 3/25. 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 5/77:04 am
BWI
-
STS
2 stops18h 57m
Alaska Airlines
Sat 5/97:46 pm
STS
-
BWI
1 stop30h 58m
Alaska Airlines
Deal found 3/25$438
This Alaska Airlines deal was found by Cheapflights users on 3/25. 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 4/236:47 pm
IAD
-
STS
1 stop19h 11m
Alaska Airlines
Thu 4/308:00 pm
STS
-
IAD
1 stop18h 41m
Alaska Airlines
Deal found 3/25$444
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 5/137:37 pm
IAD
-
STS
1 stop31h 13m
Alaska Airlines
Tue 5/197:01 am
STS
-
IAD
1 stop7h 41m
Alaska Airlines
Deal found 3/27$449
This Alaska Airlines deal was found by Cheapflights users on 3/24. 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 5/16:47 pm
IAD
-
STS
1 stop27h 19m
Alaska Airlines
Tue 5/510:41 am
STS
-
IAD
2 stops34h 28m
Alaska Airlines
Deal found 3/24$450

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 March 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$396
(Travelocity)

One-way from

$177
(Alaska Airlines)

Popular in

March

Cheapest in

May

Average price

$497
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. 3% potential increase in price ($17 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 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 March 29, 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

Sat 4/25

12:10 pm-8:30 pm

1 stop11h 20m

Santa Rosa Sonoma County

Tue 4/28

4:35 pm-5:40 am

2 stops10h 05m

$401

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Tue 5/5

8:59 am-7:06 pm

1 stop13h 07m

Santa Rosa Sonoma County

Wed 5/6

7:23 am-9:00 pm

1 stop10h 37m

$403

BaltimoreSanta Rosa

BWI - STS

BWISTS

Baltimore/Washington

Tue 5/5

7:04 am-11:59 pm

2 stops19h 55m

Santa Rosa Sonoma County

Wed 5/6

1:13 pm-5:44 am

1 stop13h 31m

$452

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Tue 4/28

9:59 am-10:01 am

1 stop27h 02m

Santa Rosa Sonoma County

Sat 5/2

7:00 am-8:00 pm

1 stop10h 00m

$453
Quickest round-trip

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Tue 5/19

8:59 am-2:13 pm

1 stop8h 14m

Santa Rosa Sonoma County

Thu 5/28

7:59 am-8:06 pm

1 stop9h 07m

$463

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Tue 4/14

6:22 pm-11:13 pm

1 stop31h 51m

Santa Rosa Sonoma County

Fri 4/17

6:53 pm-5:40 am

1 stop7h 47m

$495

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Tue 5/5

6:47 pm-10:58 am

1 stop19h 11m

Santa Rosa Sonoma County

Wed 5/6

1:13 pm-5:50 am

1 stop13h 37m

$498

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Sat 4/25

7:00 am-8:30 pm

2 stops16h 30m

Santa Rosa Sonoma County

Tue 4/28

6:00 am-10:15 pm

2 stops13h 15m

$510

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Thu 4/23

6:47 pm-10:58 am

1 stop19h 11m

Santa Rosa Sonoma County

Thu 4/30

7:00 am-12:09 am

2 stops14h 09m

$517

BaltimoreSanta Rosa

BWI - STS

BWISTS

Baltimore/Washington

Mon 5/11

4:25 pm-10:40 pm

1 stop9h 15m

Santa Rosa Sonoma County

Fri 5/15

6:00 am-11:30 pm

1 stop14h 30m

$520

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/25

Showing 1-10 of 46 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 March.
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

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

Currently, June is the cheapest month in which you can book a flight from Washington, D.C. to Santa Rosa (average of $174). Flying from Washington, D.C. to Santa Rosa in September is currently the most expensive (average of $234). 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 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 March 29, 2026.
Peruse reviews from past customers who have flown with Alaska 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
12,134 reviews

Overall

7.9

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Food

7.0

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
12,134 reviews
Alaska Airlines
7.9
Good
12,134 reviews

Overall

7.9

Comfort

7.8

Crew

8.5

Entertainment

7.0

Boarding

8.1

Food

7.0

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 $401, Alaska Airlines can have you in Santa Rosa from Washington, D.C. in 11h 20m. 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 Washington, D.C. Dulles Intl - Santa Rosa Sonoma County. You may also consider Washington, D.C. Reagan-National - Santa Rosa Sonoma County or Baltimore/Washington - 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.

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

    Currently, June is the cheapest month in which you can book a flight from Washington, D.C. to Santa Rosa (average of $174). Flying from Washington, D.C. to Santa Rosa in September is currently the most expensive (average of $234). 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

Browse thousands of different options on Cheapflights for your next trip

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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 March 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$528Average$603FlexibilityNo cancel feeOn-time71%

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