In terms of precipitation, rainfall in Santa Rosa ranges from 0.0 - 7.1 inches per month. January is typically the wettest month, when rainfall can reach 7.1 in. July is typically the driest time to visit Santa Rosa when rainfall is around 0.0 in.

If weather is an important factor for your trip to Santa Rosa, 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 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Santa Rosa as you normally would.

Most accurate provider : When it comes to deals on Washington, D.C. Reagan-National Airport-Santa Rosa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Santa Rosa flight deals on Cheapflights vs. FlightHub >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 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 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.

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.

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.

$178+ Flights from Washington, D.C. Reagan-National Airport to Santa Rosa

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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 October 16, 2025.

Wed 12/108:59 amDCA - STS

1 stop8h 37mAlaska Airlines

Mon 1/52:24 pmSTS - DCA

1 stop28h 35mAlaska Airlines

Deal found 10/13

$363

Fri 11/145:53 pmDCA - STS

2 stops22h 33mAlaska Airlines

Tue 11/186:49 amSTS - DCA

2 stops12h 10mAlaska Airlines

Deal found 10/15

$394

Tue 11/118:59 amDCA - STS

1 stop17h 58mAlaska Airlines

Tue 11/186:34 pmSTS - DCA

1 stop22h 26mAlaska Airlines

Deal found 10/15

$423

Wed 11/265:00 pmDCA - STS

1 stop23h 49mAlaska Airlines

Mon 1/52:24 pmSTS - DCA

1 stop28h 35mAlaska Airlines

Deal found 10/13

$463

Best flights from Reagan-National to Santa Rosa
Discover carefully curated flight deals from Reagan-National to Santa Rosa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 16, 2025.

Wed 12/108:59 amDCA - STS

1 stop8h 37mAlaska Airlines

Mon 1/52:24 pmSTS - DCA

1 stop28h 35mAlaska Airlines

Deal found 10/13

$363

Wed 3/48:59 amDCA - STS

1 stop16h 47mAlaska Airlines

Sat 3/76:58 amSTS - DCA

1 stop11h 12mAlaska Airlines

Deal found 10/14

$369

Sun 3/19:30 amDCA - STS

1 stop16h 05mAlaska Airlines

Sat 3/76:58 amSTS - DCA

1 stop11h 12mAlaska Airlines

Deal found 10/14

$388

Fri 11/145:53 pmDCA - STS

2 stops22h 33mAlaska Airlines

Tue 11/186:49 amSTS - DCA

2 stops12h 10mAlaska Airlines

Deal found 10/15

$394

Tue 11/118:59 amDCA - STS

1 stop17h 58mAlaska Airlines

Tue 11/186:49 amSTS - DCA

2 stops12h 10mAlaska Airlines

Deal found 10/15

$423

Last-minute flights from Reagan-National to Santa Rosa
Discover last-minute flight deals from Reagan-National to Santa Rosa. Data last updated October 16, 2025 and is based on user searches.

Thu 10/309:59 amDCA - STS

1 stop15h 38mAlaska Airlines

Mon 11/36:34 pmSTS - DCA

1 stop22h 26mAlaska Airlines

Deal found 10/14

$532

Fri 11/79:59 amDCA - STS

1 stop27h 11mAlaska Airlines

Sun 11/98:07 pmSTS - DCA

1 stop20h 53mAlaska Airlines

Deal found 10/15

$579

Tue 11/118:59 amDCA - STS

1 stop17h 58mAlaska Airlines

Tue 11/186:34 pmSTS - DCA

1 stop22h 26mAlaska Airlines

Deal found 10/15

$423

Fri 11/145:53 pmDCA - STS

2 stops22h 33mAlaska Airlines

Tue 11/186:49 amSTS - DCA

2 stops12h 10mAlaska Airlines

Deal found 10/15

$394

Wed 11/265:00 pmDCA - STS

1 stop23h 49mAlaska Airlines

Mon 1/52:24 pmSTS - DCA

1 stop28h 35mAlaska Airlines

Deal found 10/13

$463

Wed 11/265:00 pmDCA - STS

1 stop23h 49mAlaska Airlines

Fri 1/28:17 pmSTS - DCA

2 stops11h 39mAlaska Airlines

Deal found 10/13

$636

One-way flights from Reagan-National to Santa Rosa
Search for one-way flight options from Reagan-National to Santa Rosa. Find affordable one-way fares based on user searches. Data last updated October 16, 2025.

Wed 12/108:59 amDCA - STS

1 stop8h 37mAlaska Airlines

Deal found 10/15

$178

Wed 11/199:59 amDCA - STS

1 stop10h 55mAlaska Airlines

Deal found 10/16

$197

Wed 12/107:00 amDCA - STS

1 stop8h 27mAmerican Airlines

Deal found 10/14

$205

Mon 11/176:58 pmDCA - STS

2 stops24h 04mAlaska Airlines

Deal found 10/16

$208

Mon 12/86:59 pmDCA - STS

2 stops22h 37mAlaska Airlines

Deal found 10/15

$217

Sat 11/155:00 pmDCA - STS

2 stops18h 44mAlaska Airlines

Deal found 10/16

$223

Wed 12/318:59 amDCA - STS

1 stop29h 24mAlaska Airlines

Deal found 10/16

$252

Fri 11/149:59 amDCA - STS

1 stop27h 11mAlaska Airlines

Deal found 10/16

$262

Cheap flight deals from Reagan-National to Santa Rosa

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$363 (Alaska Airlines)
One-way from	$178 (Alaska Airlines)
Popular in	December
Cheapest in	February
Average price	$443

Provider with most accurate pricing for Washington, D.C. Reagan-National-Santa Rosa Sonoma County flight deals.

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Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Santa Rosa Sonoma County flights.

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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 ($30 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 October 2025

Search Deals

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Wed 12/10

8:59 am-2:36 pm

1 stop8h 37m

Santa Rosa Sonoma County

Mon 1/5

2:24 pm-9:59 pm

1 stop28h 35m

$363

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Wed 3/4

8:59 am-10:46 pm

1 stop16h 47m

Santa Rosa Sonoma County

Sat 3/7

6:58 am-9:10 pm

1 stop11h 12m

$369

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Sun 3/1

9:30 am-10:35 pm

1 stop16h 05m

Santa Rosa Sonoma County

Sat 3/7

6:58 am-9:10 pm

1 stop11h 12m

$388

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Fri 11/14

5:53 pm-1:26 pm

2 stops22h 33m

Santa Rosa Sonoma County

Tue 11/18

6:49 am-9:59 pm

2 stops12h 10m

$394

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Tue 11/11

8:59 am-11:57 pm

1 stop17h 58m

Santa Rosa Sonoma County

Tue 11/18

6:49 am-9:59 pm

2 stops12h 10m

$423

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Wed 12/10

8:59 am-2:36 pm

1 stop8h 37m

$178

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Sat 11/15

8:59 am-4:02 pm

1 stop10h 03m

$178

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Thu 11/20

9:59 am-5:54 pm

1 stop10h 55m

$197

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Wed 11/19

9:59 am-5:54 pm

1 stop10h 55m

$197

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Wed 12/10

7:00 am-12:27 pm

1 stop8h 27m

$205

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/14

Showing 1-10 of 12 results

Compare providers for flights from Reagan-National to Santa Rosa

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 October.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Santa Rosa flight deals on Cheapflights vs. FlightHub >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 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 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

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 8h 37m. 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.

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$178+ 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.

Find cheap flights from Reagan-National to Santa Rosa with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Reagan-National to Santa Rosa

Cheapest flights from Reagan-National to Santa RosaExplore 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 October 16, 2025.

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 October 16, 2025.

Cheap flight deals from Reagan-National to Santa Rosa

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Santa Rosa that are best for you.

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 October.

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.

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?

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?

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

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

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

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

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

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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 October 16, 2025.