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Washington, D.C.

$181+ 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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
STS — WAS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap 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 June 12, 2025.

Round-trip from

$332
(Alaska Airlines)

One-way from

$181
(Alaska Airlines)

Popular in

August

Cheapest in

March

Average price

$528
From Santa Rosa Sonoma County to Washington, D.C. (WAS)
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One-way flight from Santa Rosa Sonoma County to Washington, D.C. (WAS)
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Highest demand for flights based on searches. 14% potential increase in price ($96 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find 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 June 12, 2025.

This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 9/276:00 amSTS - IAD
1 stop7h 47mAlaska Airlines
Tue 9/305:52 pmIAD - STS
1 stop18h 51mAlaska Airlines
Deal found 6/10$332
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 9/276:00 amSTS - DCA
1 stop12h 59mAlaska Airlines
Tue 9/309:59 amDCA - STS
1 stop26h 44mAlaska Airlines
Deal found 6/10$403
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 9/197:03 amSTS - BWI
2 stops19h 30mAlaska Airlines
Sun 9/217:00 amBWI - STS
1 stop9h 36mAlaska Airlines
Deal found 6/10$453
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2712:25 pmSTS - BWI
1 stop7h 57mAmerican Airlines
Tue 9/306:41 amBWI - STS
2 stops12h 07mAmerican Airlines
Deal found 6/12$534
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/296:00 amSTS - IAD
1 stop7h 47mHawaiian Airlines
Mon 9/17:00 amIAD - STS
1 stop9h 36mHawaiian Airlines
Deal found 6/10$593
This American Airlines deal was found by Cheapflights users on 6/11. 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 9/1912:25 pmSTS - DCA
1 stop9h 50mAmerican Airlines
Sun 9/215:00 amDCA - STS
2 stops10h 27mAmerican Airlines
Deal found 6/11$684
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Sun 7/64:16 pmSTS - IAD
2 stops13h 17mAmerican Airlines
Sat 7/196:27 amIAD - STS
1 stop8h 14mAmerican Airlines
Deal found 6/10$744

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 June 12, 2025.
Use the filters below to find and compare flights from Santa Rosa to Washington, D.C. that are best for you.

Fly from

Santa Rosa

Fly to

Washington, D.C.

Route

Depart

Return

Price

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Sat 9/27

6:00 am-4:47 pm

1 stop7h 47m

Washington, D.C. Dulles Intl

Tue 9/30

5:52 pm-9:43 am

1 stop18h 51m

$332

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Sat 9/27

6:00 am-9:59 pm

1 stop12h 59m

Washington, D.C. Reagan-National

Tue 9/30

9:59 am-9:43 am

1 stop26h 44m

$403

Santa RosaBaltimore

STS - BWI

STSBWI

Santa Rosa Sonoma County

Fri 9/19

7:03 am-5:33 am

2 stops19h 30m

Baltimore/Washington

Sun 9/21

7:00 am-1:36 pm

1 stop9h 36m

$453

Santa RosaBaltimore

STS - BWI

STSBWI

Santa Rosa Sonoma County

Sat 9/27

12:25 pm-11:22 pm

1 stop7h 57m

Baltimore/Washington

Tue 9/30

6:41 am-3:48 pm

2 stops12h 07m

$534

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Fri 8/29

6:00 am-4:47 pm

1 stop7h 47m

Washington, D.C. Dulles Intl

Mon 9/1

7:00 am-1:36 pm

1 stop9h 36m

$593

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Fri 9/19

12:25 pm-1:15 am

1 stop9h 50m

Washington, D.C. Reagan-National

Sun 9/21

5:00 am-12:27 pm

2 stops10h 27m

$684

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Sun 7/6

4:16 pm-8:33 am

2 stops13h 17m

Washington, D.C. Dulles Intl

Sat 7/19

6:27 am-11:41 am

1 stop8h 14m

$744

Santa RosaBaltimore

STS - BWI

STSBWI

Santa Rosa Sonoma County

Wed 10/8

7:00 am-6:11 am

2 stops20h 11m

$181

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Fri 10/31

7:45 am-8:00 pm

1 stop9h 15m

$196

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Wed 10/8

6:30 am-8:29 pm

1 stop10h 59m

$211

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 15 results
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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.

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

Currently, August is the cheapest month in which you can book a flight from Santa Rosa to Washington, D.C. (average of $241). Flying from Santa Rosa to Washington, D.C. in March is currently the most expensive (average of $290). 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.

What is the cheapest time of day to fly from STS to WAS?

Find hourly flight availability from Santa Rosa to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

When flying from Santa Rosa to Washington, D.C., the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated June 12, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Hawaiian Airlines and American Airlines from Santa Rosa to Washington, D.C. to help guide your decision. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 2 airlines have 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.

  • What are the cheapest airlines flying from Santa Rosa to Washington, D.C. round-trip?

    According to our current data, Alaska Airlines ($332), American Airlines ($534), and Hawaiian Airlines ($593) offers the cheapest pricing from Santa Rosa to Washington, D.C.. Alaska Airlines is priced at 40% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Santa Rosa to Washington, D.C. one-way?

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $181. Users have also found prices from $196 and $265 on Hawaiian Airlines and American Airlines, respectively.

  • 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 - Washington, D.C. Reagan-National or Santa Rosa Sonoma County - Baltimore/Washington 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.

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

    Currently, August is the cheapest month in which you can book a flight from Santa Rosa to Washington, D.C. (average of $241). Flying from Santa Rosa to Washington, D.C. in March is currently the most expensive (average of $290). 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
Arlington
Alexandria
Woodbridge
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
Gaithersburg
Fairfax
Falls Church
Easton
Herndon
Towson
Bowie
Rockville
Reston
National Harbor
Springfield
Manassas
Dundalk

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Top 2 airlines flying from Santa Rosa to Washington, D.C.

Discover the top 2 airlines 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$290Average$496FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$320Average$491FlexibilityNo cancel feeOn-time75%

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