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Reagan-National

$205+ Cheap flights from Santa Rosa (STS) to Reagan-National (DCA)

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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
STS — DCA
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
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Cheap flight deals from Santa Rosa to Reagan-National

Cheapest flights from Santa Rosa to Reagan-National
Explore the most affordable flight options available from Santa Rosa to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 5, 2026.

This Expedia deal was found by Cheapflights users on 2/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/47:57 pm
STS
-
DCA
1 stop23h 02m
Alaska Airlines
Tue 3/108:00 am
DCA
-
STS
1 stop29h 32m
Alaska Airlines
Deal found 2/5$363
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 3/47:57 pm
STS
-
DCA
1 stop23h 02m
Alaska Airlines
Mon 3/95:00 pm
DCA
-
STS
1 stop20h 32m
Alaska Airlines
Deal found 2/2$388
This Alaska Airlines deal was found by Cheapflights users on 2/3. 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 4/287:10 pm
STS
-
DCA
2 stops19h 49m
Alaska Airlines
Thu 4/308:59 am
DCA
-
STS
1 stop17h 28m
Alaska Airlines
Deal found 2/3$413
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 3/47:57 pm
STS
-
DCA
1 stop23h 02m
Alaska Airlines
Sat 3/75:06 pm
DCA
-
STS
1 stop18h 08m
Alaska Airlines
Deal found 2/2$418
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 3/57:57 pm
STS
-
DCA
1 stop23h 02m
Alaska Airlines
Mon 3/95:00 pm
DCA
-
STS
1 stop31h 52m
Alaska Airlines
Deal found 2/2$423
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 3/47:57 pm
STS
-
DCA
1 stop23h 02m
Alaska Airlines
Sun 3/89:59 am
DCA
-
STS
1 stop27h 12m
Alaska Airlines
Deal found 2/2$448
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 3/57:57 pm
STS
-
DCA
1 stop23h 02m
Alaska Airlines
Sat 3/75:06 pm
DCA
-
STS
1 stop18h 08m
Alaska Airlines
Deal found 2/2$453
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 3/67:57 pm
STS
-
DCA
1 stop23h 02m
Alaska Airlines
Sun 3/89:59 am
DCA
-
STS
1 stop27h 12m
Alaska Airlines
Deal found 2/2$478
This Alaska Airlines deal was found by Cheapflights users on 2/2. 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 3/57:57 pm
STS
-
DCA
1 stop23h 02m
Alaska Airlines
Sun 3/89:59 am
DCA
-
STS
1 stop27h 12m
Alaska Airlines
Deal found 2/2$483

Find flight deals from Santa Rosa to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Santa Rosa (STS) to Reagan-National (DCA). 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 February 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$363
(Expedia)

One-way from

$205
(Alaska Airlines)

Popular in

December

Cheapest in

February

Average price

$382
Provider with most accurate pricing for Santa Rosa Sonoma County-Washington, D.C. Reagan-National flight deals.
Search Deals
Provider most trusted by Cheapflights users for Santa Rosa Sonoma County-Washington, D.C. Reagan-National flights.
Search Deals
From Santa Rosa Sonoma County to Washington, D.C. Reagan-National
Search Deals
One-way flight from Santa Rosa Sonoma County to Washington, D.C. Reagan-National
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Santa Rosa to Reagan-National 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 February 5, 2026.
Use the filters below to find and compare flights from Santa Rosa to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Santa Rosa

Fly to

Reagan-National

Route

Depart

Return

Price

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Wed 3/4

7:57 pm-9:59 pm

1 stop23h 02m

Washington, D.C. Reagan-National

Tue 3/10

8:00 am-10:32 am

1 stop29h 32m

$363

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Wed 3/4

7:57 pm-9:59 pm

1 stop23h 02m

Washington, D.C. Reagan-National

Mon 3/9

5:00 pm-10:32 am

1 stop20h 32m

$388

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Tue 4/28

7:10 pm-5:59 pm

2 stops19h 49m

Washington, D.C. Reagan-National

Thu 4/30

8:59 am-11:27 pm

1 stop17h 28m

$413

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Wed 3/4

7:57 pm-9:59 pm

1 stop23h 02m

Washington, D.C. Reagan-National

Sat 3/7

5:06 pm-8:14 am

1 stop18h 08m

$418

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Thu 3/5

7:57 pm-9:59 pm

1 stop23h 02m

Washington, D.C. Reagan-National

Mon 3/9

5:00 pm-9:52 pm

1 stop31h 52m

$423

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Wed 3/4

7:57 pm-9:59 pm

1 stop23h 02m

Washington, D.C. Reagan-National

Sun 3/8

9:59 am-10:11 am

1 stop27h 12m

$448

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Thu 3/5

7:57 pm-9:59 pm

1 stop23h 02m

Washington, D.C. Reagan-National

Sat 3/7

5:06 pm-8:14 am

1 stop18h 08m

$453

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Fri 3/6

7:57 pm-9:59 pm

1 stop23h 02m

Washington, D.C. Reagan-National

Sun 3/8

9:59 am-10:11 am

1 stop27h 12m

$478

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Thu 3/5

7:57 pm-9:59 pm

1 stop23h 02m

Washington, D.C. Reagan-National

Sun 3/8

9:59 am-10:11 am

1 stop27h 12m

$483

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Tue 5/19

7:00 am-9:00 pm

1 stop11h 00m

$205

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 17 results
1
2
  • Most accurate provider: When it comes to deals on Santa Rosa-Washington, D.C. Reagan-National Airport 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. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Santa Rosa-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Santa Rosa-Washington, D.C. Reagan-National Airport 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. Reagan-National Airport 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 Reagan-National

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

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

Currently, October is the cheapest month in which you can book a flight from Santa Rosa to Washington, D.C. Reagan-National Airport (average of $186). Flying from Santa Rosa to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $256). 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 Reagan-National

Get insights into the airlines that provide service to Reagan-National. 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 Reagan-National. Reviews last updated February 5, 2026.
Read through reviews of airlines operating flights from Santa Rosa to Washington, D.C. Reagan-National Airport, such as Alaska Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,840 reviews

Boarding

8.1

Food

7.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading
Alaska Airlines
8.0
Very good
11,840 reviews
Alaska Airlines
8.0
Very good
11,840 reviews

Boarding

8.1

Food

7.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2026

STS - LAX

Enjoyed staff assistance from ticking thru tsa , boarding and in the plane Couldn’t pick a seat except upgrading

Related info for your journey

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

    If you book a flight to Washington, D.C. Reagan-National from Santa Rosa, you will be flying from 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. There are 0 flights from Sonoma County to Washington, D.C. Reagan-National per day from 1 airline.

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

    A quick flight from Santa Rosa to Washington, D.C. Reagan-National Airport can take about 23h 02m. Alaska Airlines provides one of the quickest options available for as low as $363. Airlines will cover a distance of 2441 mi.

  • What is the cheapest airline to fly from Santa Rosa to Washington, D.C. Reagan-National Airport round-trip?

    Flying on Alaska Airlines is currently your cheapest option to Washington, D.C. Reagan-National Airport, with prices starting at $482.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Santa Rosa to Washington, D.C. Reagan-National Airport (average of $186). Flying from Santa Rosa to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $256). 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 Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Herndon
Fredericksburg
Hanover
Linthicum Heights
Rockville
Laurel
Towson
Upper Marlboro
Manassas
Largo
Bowie
McLean
Clinton

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Alternative routes for Santa Rosa to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Santa Rosa to Reagan-National

Discover the top airline that operate flights from Santa Rosa to Reagan-National. 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 February 5, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$482Average$570FlexibilityNo cancel feeOn-time75%

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