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$159+ Cheap flights from Reagan-National (DCA) 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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — STS
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Find flight deals from Reagan-National to Santa Rosa

Cheapest flights from Reagan-National to Santa Rosa
Explore the most affordable flight options available from Reagan-National to Santa Rosa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.

This Alaska Airlines deal was found by Cheapflights users on 11/5. 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 12/39:59 amDCA - STS
1 stop10h 20mAlaska Airlines
Tue 12/97:00 amSTS - DCA
1 stop10h 00mAlaska Airlines
Deal found 11/5$356
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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.
Thu 12/48:00 amDCA - STS
1 stop16h 52mAlaska Airlines
Mon 12/85:59 pmSTS - DCA
1 stop23h 01mAlaska Airlines
Deal found 11/5$369
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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.
Fri 12/59:59 amDCA - STS
1 stop27h 20mAlaska Airlines
Tue 12/97:00 amSTS - DCA
1 stop10h 00mAlaska Airlines
Deal found 11/5$372
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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 12/39:59 amDCA - STS
1 stop10h 20mAlaska Airlines
Mon 12/85:59 pmSTS - DCA
2 stops21h 00mAlaska Airlines
Deal found 11/5$394
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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 12/188:59 amDCA - STS
1 stop8h 45mAlaska Airlines
Mon 1/57:52 pmSTS - DCA
1 stop22h 27mAlaska Airlines
Deal found 11/4$445
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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.
Fri 12/59:59 amDCA - STS
1 stop10h 20mAlaska Airlines
Sun 12/77:00 amSTS - DCA
1 stop10h 00mAlaska Airlines
Deal found 11/5$446
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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 12/258:00 amDCA - STS
1 stop17h 17mAlaska Airlines
Wed 12/312:24 pmSTS - DCA
1 stop22h 41mAlaska Airlines
Deal found 11/4$463
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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 12/248:59 amDCA - STS
1 stop29h 24mAlaska Airlines
Mon 1/57:52 pmSTS - DCA
1 stop22h 27mAlaska Airlines
Deal found 11/4$472
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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.
Thu 12/258:00 amDCA - STS
1 stop17h 17mAlaska Airlines
Sun 1/48:17 pmSTS - DCA
1 stop16h 43mAlaska Airlines
Deal found 11/5$503
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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 12/188:59 amDCA - STS
1 stop8h 45mAlaska Airlines
Fri 1/28:17 pmSTS - DCA
2 stops9h 41mAlaska Airlines
Deal found 11/4$604
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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.
Thu 12/258:59 amDCA - STS
1 stop8h 45mAlaska Airlines
Tue 12/308:17 pmSTS - DCA
2 stops9h 41mAlaska Airlines
Deal found 11/5$622
This Alaska Airlines deal was found by Cheapflights users on 11/4. 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 12/188:59 amDCA - STS
1 stop8h 45mAlaska Airlines
Sun 1/48:17 pmSTS - DCA
2 stops9h 41mAlaska Airlines
Deal found 11/4$662

Cheap flight deals from Reagan-National to Santa Rosa

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) 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 November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$356
(Alaska Airlines)

One-way from

$159
(Alaska Airlines)

Popular in

December

Cheapest in

February

Average price

$457
Provider with most accurate pricing for Washington, D.C. Reagan-National-Santa Rosa Sonoma County flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Santa Rosa Sonoma County flights.
Search Deals
From Washington, D.C. Reagan-National to Santa Rosa Sonoma County
Search Deals
One-way flight from Washington, D.C. Reagan-National to Santa Rosa Sonoma County
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($28 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 November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National 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 November 6, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Santa Rosa that are best for you.

Fly from

Reagan-National

Fly to

Santa Rosa

Route

Depart

Return

Price

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Wed 12/3

9:59 am-5:19 pm

1 stop10h 20m

Santa Rosa Sonoma County

Tue 12/9

7:00 am-8:00 pm

1 stop10h 00m

$356

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Thu 12/4

8:00 am-9:52 pm

1 stop16h 52m

Santa Rosa Sonoma County

Mon 12/8

5:59 pm-8:00 pm

1 stop23h 01m

$369

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Fri 12/5

9:59 am-10:19 am

1 stop27h 20m

Santa Rosa Sonoma County

Mon 12/8

8:03 pm-8:00 pm

1 stop20h 57m

$372

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Fri 12/5

9:59 am-10:19 am

1 stop27h 20m

Santa Rosa Sonoma County

Tue 12/9

7:00 am-8:00 pm

1 stop10h 00m

$372

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Wed 12/3

9:59 am-5:19 pm

1 stop10h 20m

Santa Rosa Sonoma County

Sun 12/7

7:00 am-8:00 pm

1 stop10h 00m

$394

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Thu 12/4

9:59 am-5:19 pm

1 stop10h 20m

Santa Rosa Sonoma County

Sun 12/7

7:00 am-8:00 pm

1 stop10h 00m

$394

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Thu 12/18

8:59 am-2:44 pm

1 stop8h 45m

Santa Rosa Sonoma County

Mon 1/5

7:52 pm-9:19 pm

1 stop22h 27m

$445

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Fri 12/5

9:59 am-5:19 pm

1 stop10h 20m

Santa Rosa Sonoma County

Sun 12/7

7:00 am-8:00 pm

1 stop10h 00m

$446

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Wed 12/24

8:59 am-11:23 am

1 stop29h 24m

Santa Rosa Sonoma County

Mon 1/5

7:52 pm-9:19 pm

1 stop22h 27m

$472

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Tue 5/5

9:59 am-3:47 pm

1 stop8h 48m

Santa Rosa Sonoma County

Wed 5/6

7:00 am-8:01 pm

1 stop10h 01m

$498

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 19 results
1
2

Compare providers for flights from Reagan-National 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 Reagan-National to Santa Rosa in November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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. Reagan-National Airport-Santa Rosa flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Reagan-National Airport-Santa Rosa flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-Santa Rosa flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-Santa Rosa flights, Cheapflights users trust eDreams the most. eDreams 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. Reagan-National Airport-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 Reagan-National to Santa Rosa

Have a flexible travel schedule? Discover the best time to fly to Santa Rosa from Reagan-National 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. Reagan-National Airport to Santa Rosa

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

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Santa Rosa (average of $148). Flying from Washington, D.C. Reagan-National Airport to Santa Rosa in October is currently the most expensive (average of $258). 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.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National 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. Reagan-National?

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

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

    Departing from Washington, D.C. Reagan-National Airport to Santa Rosa will take you 10h 20m. There are 2441 mi between Washington, D.C. Reagan-National Airport and Santa Rosa.

  • Can I find deals for flights from Reagan-National to Santa Rosa that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Santa Rosa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Santa Rosa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Santa Rosa.

  • Can I find deals for business class flights from Reagan-National to Santa Rosa?

    Yes. Cheapflights offers flight deals from Reagan-National 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. Reagan-National Airport to Santa Rosa?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Santa Rosa (average of $148). Flying from Washington, D.C. Reagan-National Airport to Santa Rosa in October is currently the most expensive (average of $258). 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

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