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Reagan-National

$210+ 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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
STS — DCA
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
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 March 10, 2026.

This Alaska Airlines deal was found by Cheapflights users on 3/6. 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 4/227:00 am
STS
-
DCA
1 stop10h 00m
Alaska Airlines
Tue 4/289:59 am
DCA
-
STS
1 stop27h 02m
Alaska Airlines
Deal found 3/6$383
This Alaska Airlines deal was found by Cheapflights users on 3/6. 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 4/247:00 am
STS
-
DCA
1 stop10h 00m
Alaska Airlines
Tue 4/289:59 am
DCA
-
STS
1 stop17h 00m
Alaska Airlines
Deal found 3/6$398
This Alaska Airlines deal was found by Cheapflights users on 3/5. 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.
Tue 4/217:05 am
STS
-
DCA
1 stop9h 55m
Alaska Airlines
Sat 4/259:59 am
DCA
-
STS
1 stop16h 02m
Alaska Airlines
Deal found 3/5$403
This Alaska Airlines deal was found by Cheapflights users on 3/6. 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 4/247:00 am
STS
-
DCA
1 stop10h 00m
Alaska Airlines
Sat 4/259:59 am
DCA
-
STS
1 stop16h 02m
Alaska Airlines
Deal found 3/6$418
This Southwest deal was found by Cheapflights users on 3/9. 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.
Thu 4/164:40 pm
STS
-
DCA
2 stops13h 15m
Southwest
Wed 4/226:10 am
DCA
-
STS
2 stops12h 45m
Southwest
Deal found 3/9$449
This Alaska Airlines deal was found by Cheapflights users on 3/6. 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 4/2210:01 am
STS
-
DCA
1 stop7h 59m
Alaska Airlines
Mon 4/278:59 am
DCA
-
STS
1 stop17h 28m
Alaska Airlines
Deal found 3/6$456
This Alaska Airlines deal was found by Cheapflights users on 3/9. 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 4/167:46 pm
STS
-
DCA
1 stop22h 14m
Alaska Airlines
Tue 4/218:59 am
DCA
-
STS
1 stop17h 14m
Alaska Airlines
Deal found 3/9$463
This Alaska Airlines deal was found by Cheapflights users on 3/6. 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 4/237:23 am
STS
-
DCA
1 stop10h 37m
Alaska Airlines
Tue 4/288:00 am
DCA
-
STS
2 stops18h 59m
Alaska Airlines
Deal found 3/6$466
This Alaska Airlines deal was found by Cheapflights users on 3/6. 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 4/2210:01 am
STS
-
DCA
1 stop7h 59m
Alaska Airlines
Sun 4/268:59 am
DCA
-
STS
1 stop17h 28m
Alaska Airlines
Deal found 3/6$476
This Expedia deal was found by Cheapflights users on 3/9. 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.
Fri 4/177:00 am
STS
-
DCA
1 stop11h 00m
Alaska Airlines
Wed 4/228:59 am
DCA
-
STS
2 stops12h 07m
Alaska Airlines
Deal found 3/9$479

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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$383
(Alaska Airlines)

One-way from

$210
(Southwest)

Popular in

December

Cheapest in

January

Average price

$457
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. 3% potential increase in price ($14 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 March 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 March 10, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Tue 4/21

7:05 am-8:00 pm

1 stop9h 55m

Washington, D.C. Reagan-National

Sat 4/25

9:59 am-11:01 pm

1 stop16h 02m

$403

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Sat 4/25

7:23 am-9:00 pm

1 stop10h 37m

Washington, D.C. Reagan-National

Sun 4/26

8:59 am-11:27 pm

1 stop17h 28m

$476

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Thu 4/23

10:01 am-9:00 pm

1 stop7h 59m

Washington, D.C. Reagan-National

Sat 4/25

8:59 am-7:06 pm

1 stop13h 07m

$481

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Wed 6/10

6:00 am-11:45 pm

2 stops14h 45m

Washington, D.C. Reagan-National

Sat 6/13

6:10 am-1:30 pm

2 stops10h 20m

$490

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Thu 4/23

10:01 am-9:00 pm

1 stop7h 59m

Washington, D.C. Reagan-National

Fri 4/24

8:59 am-7:06 pm

1 stop13h 07m

$521

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Sat 6/13

12:15 pm-8:45 am

2 stops17h 30m

Washington, D.C. Reagan-National

Mon 6/15

2:00 pm-11:30 pm

2 stops12h 30m

$541

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Sat 6/20

2:05 pm-8:45 am

2 stops15h 40m

Washington, D.C. Reagan-National

Sat 6/27

6:10 am-1:30 pm

2 stops10h 20m

$553

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Sat 4/25

7:00 am-8:00 pm

1 stop10h 00m

Washington, D.C. Reagan-National

Mon 4/27

8:00 am-11:01 pm

2 stops18h 01m

$556

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Thu 4/16

7:30 am-9:59 pm

2 stops11h 29m

Washington, D.C. Reagan-National

Wed 4/22

8:59 am-7:06 pm

1 stop13h 07m

$578
Quickest round-trip

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Fri 6/19

6:26 am-9:00 pm

1 stop11h 34m

Washington, D.C. Reagan-National

Tue 6/23

9:59 am-3:55 pm

1 stop8h 56m

$581

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/8

Showing 1-10 of 19 resultsSorted by cheapest first
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 March is currently the most expensive (average of $268). 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 March 10, 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
12,014 reviews

Entertainment

7.0

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.
Alaska Airlines
8.0
Very good
12,014 reviews
Alaska Airlines
8.0
Very good
12,014 reviews

Entertainment

7.0

Overall

8.0

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Reviews

1 / 20
10.0
Excellent

Franzi,Mar 2026

SFO - PDX

I love flying with Alaska. I think they sre the best airline.

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 9h 55m. Alaska Airlines provides one of the quickest options available for as low as $403. Airlines will cover a distance of 2441 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $296.

  • 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 March is currently the most expensive (average of $268). 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
Arlington
Tysons
Owings Mills
Springfield
Silver Spring
Herndon
Hyattsville
Hanover
Laurel
Rockville
Upper Marlboro
Linthicum Heights
Fredericksburg
Largo
Bowie
Clinton
Towson
College Park

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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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Monterey to Dulles Intl flights
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Santa Barbara to Baltimore flights
Monterey to Baltimore flights

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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$296Average$487FlexibilityNo cancel feeOn-time75%

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