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Santa Rosa

$304+ Cheap flights from District of Columbia to Santa Rosa (STS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — STS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from District of Columbia to Santa Rosa

Cheapest flights from District of Columbia to Santa Rosa
Explore the most affordable flight options available from District of Columbia to Santa Rosa. 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.
Wed 12/318:59 amDCA - STS
1 stop29h 24mAlaska Airlines
Sun 1/43:53 pmSTS - DCA
1 stop25h 46mAlaska Airlines
Deal found 12/16$788
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 12/316:29 pmIAD - STS
1 stop19h 54mAlaska Airlines
Sun 1/48:17 pmSTS - IAD
2 stops18h 26mAlaska Airlines
Deal found 12/16$807
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 12/249:59 amDCA - STS
1 stop8h 14mAlaska Airlines
Wed 12/317:00 amSTS - DCA
1 stop10h 39mAlaska Airlines
Deal found 12/16$860
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 12/257:33 amIAD - STS
1 stop8h 59mAlaska Airlines
Thu 1/16:45 amSTS - IAD
1 stop7h 36mAlaska Airlines
Deal found 12/16$943
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 12/249:59 amDCA - STS
1 stop8h 14mAlaska Airlines
Sun 12/287:00 amSTS - DCA
1 stop10h 39mAlaska Airlines
Deal found 12/16$984
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.
Sat 12/206:29 pmIAD - STS
1 stop8h 30mAlaska Airlines
Sun 12/286:00 amSTS - IAD
1 stop8h 43mAlaska Airlines
Deal found 12/16$1,088
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 12/257:33 amIAD - STS
1 stop8h 59mAlaska Airlines
Mon 12/296:45 amSTS - IAD
1 stop7h 36mAlaska Airlines
Deal found 12/17$1,125
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/267:00 amDCA - STS
1 stop8h 29mAmerican Airlines
Fri 1/24:21 pmSTS - DCA
1 stop11h 39mAmerican Airlines
Deal found 12/16$1,135
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 12/219:59 amDCA - STS
1 stop8h 14mAlaska Airlines
Sun 12/287:00 amSTS - DCA
1 stop10h 39mAlaska Airlines
Deal found 12/16$1,148
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.
Fri 12/266:43 pmIAD - STS
1 stop21h 49mAlaska Airlines
Fri 1/26:00 amSTS - IAD
1 stop8h 43mAlaska Airlines
Deal found 12/16$1,402
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/315:00 amDCA - STS
2 stops10h 29mAmerican Airlines
Sun 1/47:00 amSTS - DCA
2 stops12h 15mAmerican Airlines
Deal found 12/16$1,963

Find flight deals from District of Columbia to Santa Rosa

Keep the following information in mind while searching for District of Columbia to Santa Rosa flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$320
(Alaska Airlines)

Popular in

December

Cheapest in

February

Average price

$496
Provider with most accurate pricing for Washington, D.C. (WAS)-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-San Francisco flights.
Search Deals
From District of Columbia to Santa Rosa Sonoma County
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia 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 December 18, 2025.
Use the filters below to find and compare flights from District of Columbia to Santa Rosa that are best for you.

Fly from

District of Columbia

Fly to

Santa Rosa

Route

Depart

Return

Price

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Sat 2/14

7:05 am-9:52 pm

1 stop17h 47m

Santa Rosa Sonoma County

Wed 2/18

7:57 pm-5:20 pm

1 stop18h 23m

$304

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Sat 1/31

6:04 pm-10:35 am

1 stop19h 31m

Santa Rosa Sonoma County

Tue 2/3

11:15 am-4:26 pm

1 stop26h 11m

$320

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Sat 1/17

6:04 pm-10:35 am

1 stop19h 31m

Santa Rosa Sonoma County

Mon 1/19

9:33 pm-4:26 pm

1 stop15h 53m

$334

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Sat 1/17

8:59 am-2:29 pm

1 stop8h 30m

Santa Rosa Sonoma County

Sun 1/18

9:38 am-9:00 pm

1 stop8h 22m

$357

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Sat 1/17

5:01 pm-10:35 am

1 stop20h 34m

Santa Rosa Sonoma County

Tue 1/20

6:50 am-4:01 pm

1 stop30h 11m

$358

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Thu 1/15

6:04 pm-11:59 pm

1 stop8h 55m

Santa Rosa Sonoma County

Mon 1/19

9:33 pm-4:26 pm

1 stop15h 53m

$358

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Fri 1/30

5:09 pm-8:58 am

1 stop18h 49m

Santa Rosa Sonoma County

Mon 2/2

9:33 pm-9:59 pm

1 stop21h 26m

$374

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Sat 3/7

7:05 am-9:52 pm

1 stop17h 47m

Santa Rosa Sonoma County

Fri 3/13

7:57 pm-5:20 pm

1 stop18h 23m

$382

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Thu 2/12

6:20 pm-11:51 pm

1 stop8h 31m

Santa Rosa Sonoma County

Mon 2/16

7:57 pm-5:20 pm

1 stop18h 23m

$498

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Sat 1/17

8:59 am-2:29 pm

1 stop8h 30m

Santa Rosa Sonoma County

Mon 1/19

7:00 am-8:00 pm

1 stop10h 00m

$504

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 20 results
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Best time to book a flight from District of Columbia to Santa Rosa

Have a flexible travel schedule? Discover the best time to fly to Santa Rosa from District of Columbia 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 District of Columbia to Santa Rosa

What is the cheapest month to book a flight from District of Columbia to Santa Rosa?

Currently, March is the cheapest month in which you can book a flight from District of Columbia to Santa Rosa (average of $102). Flying from District of Columbia 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.

Related info for your journey

Find useful and relevant information for your journey from District of Columbia 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 District of Columbia?

    If you book a flight to Santa Rosa from District of Columbia, you will be flying to Sonoma County, which is the city’s only airport. Santa Rosa Sonoma County (STS) is located 7.2 mi from the center of Santa Rosa.

  • How long is the flight from District of Columbia to Santa Rosa?

    A quick flight from District of Columbia to Santa Rosa can take about 17h 47m. Alaska Airlines provides one of the quickest options available for as low as $304. The distance from District of Columbia to Santa Rosa is about 2418 mi.

  • Can I find deals for flights from District of Columbia to Santa Rosa that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Santa Rosa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Santa Rosa?

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

  • Can I find deals for business class flights from District of Columbia to Santa Rosa?

    Yes. Cheapflights offers flight deals from District of Columbia 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 District of Columbia to Santa Rosa?

    Currently, March is the cheapest month in which you can book a flight from District of Columbia to Santa Rosa (average of $102). Flying from District of Columbia 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

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Alternative routes for District of Columbia to Santa Rosa

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from District of Columbia to Santa Rosa

Discover the top 2 airlines that operate flights from District of Columbia 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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$440Average$614FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$528Average$678FlexibilityNo cancel feeOn-time71%

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