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

$198+ Flights from Washington, D.C. Reagan-National Airport to Santa Rosa

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Cheap 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 December 12, 2025.

Wed 12/318:59 amDCA - STS

1 stop29h 24mAlaska Airlines

Sun 1/46:37 pmSTS - DCA

1 stop23h 02mAlaska Airlines

Deal found 12/10

$719

Wed 12/317:00 amDCA - STS

1 stop8h 29mAmerican Airlines

Mon 1/512:59 pmSTS - DCA

2 stops19h 58mAmerican Airlines

Deal found 12/8

$934

Thu 12/115:08 pmDCA - STS

2 stops33h 44mAlaska Airlines

Thu 12/187:00 amSTS - DCA

1 stop10h 39mAlaska Airlines

Deal found 12/10

$973

Wed 12/249:59 amDCA - STS

1 stop8h 14mAlaska Airlines

Mon 12/297:00 amSTS - DCA

1 stop10h 39mAlaska Airlines

Deal found 12/9

$982

Wed 12/249:59 amDCA - STS

1 stop8h 14mAlaska Airlines

Sun 1/48:17 pmSTS - DCA

2 stops9h 41mAlaska Airlines

Deal found 12/8

$987

Thu 12/258:59 amDCA - STS

1 stop8h 45mAlaska Airlines

Mon 12/297:00 amSTS - DCA

1 stop10h 39mAlaska Airlines

Deal found 12/10

$1,020

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 December 12, 2025.

Tue 2/108:00 amDCA - STS

1 stop29h 35mAlaska Airlines

Wed 2/187:57 pmSTS - DCA

1 stop23h 02mAlaska Airlines

Deal found 12/9

$320

Fri 1/309:59 amDCA - STS

1 stop27h 26mAlaska Airlines

Mon 2/29:33 pmSTS - DCA

1 stop21h 26mAlaska Airlines

Deal found 12/11

$353

Tue 1/278:00 amDCA - STS

1 stop29h 35mAlaska Airlines

Sat 1/316:50 amSTS - DCA

2 stops12h 09mAlaska Airlines

Deal found 12/8

$374

Tue 1/68:59 amDCA - STS

1 stop8h 45mAlaska Airlines

Sat 1/107:00 amSTS - DCA

1 stop10h 00mAlaska Airlines

Deal found 12/10

$375

Fri 1/309:59 amDCA - STS

1 stop15h 59mAlaska Airlines

Tue 2/36:50 amSTS - DCA

2 stops30h 19mAlaska Airlines

Deal found 12/11

$385

Last-minute flights from Reagan-National to Santa Rosa
Discover last-minute flight deals from Reagan-National to Santa Rosa. Data last updated December 12, 2025 and is based on user searches.

Thu 1/19:59 amDCA - STS

1 stop8h 14mAlaska Airlines

Mon 1/57:52 pmSTS - DCA

1 stop22h 27mAlaska Airlines

Deal found 12/8

$520

Mon 1/58:59 amDCA - STS

1 stop18h 00mAlaska Airlines

Sat 1/107:00 amSTS - DCA

1 stop10h 00mAlaska Airlines

Deal found 12/10

$408

Tue 1/68:59 amDCA - STS

1 stop8h 45mAlaska Airlines

Sat 1/107:00 amSTS - DCA

1 stop10h 00mAlaska Airlines

Deal found 12/10

$375

Wed 1/75:09 pmDCA - STS

1 stop18h 49mAlaska Airlines

Sat 1/107:00 amSTS - DCA

1 stop10h 00mAlaska Airlines

Deal found 12/10

$418

Fri 1/98:59 amDCA - STS

1 stop17h 12mAlaska Airlines

Sat 1/107:00 amSTS - DCA

1 stop10h 00mAlaska Airlines

Deal found 12/10

$428

Tue 1/278:00 amDCA - STS

1 stop29h 35mAlaska Airlines

Sat 1/316:50 amSTS - DCA

2 stops12h 09mAlaska Airlines

Deal found 12/8

$374

Fri 1/309:59 amDCA - STS

1 stop27h 26mAlaska Airlines

Mon 2/29:33 pmSTS - DCA

1 stop21h 26mAlaska Airlines

Deal found 12/11

$353

Fri 1/309:59 amDCA - STS

1 stop27h 26mAlaska Airlines

Tue 2/311:15 amSTS - DCA

1 stop25h 54mAlaska Airlines

Deal found 12/11

$368

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 December 12, 2025.

Fri 1/235:09 pmDCA - STS

2 stops20h 26mAlaska Airlines

Deal found 12/9

$198

Mon 1/128:59 amDCA - STS

2 stops18h 00mAlaska Airlines

Deal found 12/11

$222

Fri 1/2310:05 amDCA - STS

1 stop8h 48mAmerican Airlines

Deal found 12/9

$250

Sat 4/117:00 amDCA - STS

2 stops16h 30mSouthwest

Deal found 12/11

$260

Sat 3/148:59 amDCA - STS

2 stops15h 53mAlaska Airlines

Deal found 12/11

$272

Fri 4/106:10 amDCA - STS

2 stops12h 50mSouthwest

Deal found 12/11

$303

Sat 4/119:30 amDCA - STS

1 stop17h 11mAlaska Airlines

Deal found 12/11

$323

Sat 3/147:00 amDCA - STS

1 stop8h 26mAmerican Airlines

Deal found 12/11

$336

Fri 4/109:30 amDCA - STS

1 stop27h 17mAlaska Airlines

Deal found 12/11

$412

Find flight deals from Reagan-National to Santa Rosa

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$320 (Orbitz)
One-way from	$198 (Alaska Airlines)
Popular in	December
Cheapest in	February
Average price	$487

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.

Search Deals

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 ($29 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 December 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

Tue 2/10

8:00 am-10:35 am

1 stop29h 35m

Santa Rosa Sonoma County

Wed 2/18

7:57 pm-9:59 pm

1 stop23h 02m

$320

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Fri 1/30

9:59 am-10:25 am

1 stop27h 26m

Santa Rosa Sonoma County

Mon 2/2

9:33 pm-9:59 pm

1 stop21h 26m

$353

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Tue 1/27

8:00 am-10:35 am

1 stop29h 35m

Santa Rosa Sonoma County

Sat 1/31

6:50 am-9:59 pm

2 stops12h 09m

$374

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Tue 1/6

8:59 am-2:44 pm

1 stop8h 45m

Santa Rosa Sonoma County

Sat 1/10

7:00 am-8:00 pm

1 stop10h 00m

$375

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Fri 1/30

9:59 am-10:58 pm

1 stop15h 59m

Santa Rosa Sonoma County

Tue 2/3

6:50 am-4:09 pm

2 stops30h 19m

$385

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Fri 1/23

5:09 pm-10:35 am

2 stops20h 26m

$198

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Mon 1/12

8:59 am-11:11 pm

1 stop17h 12m

$226

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Fri 1/23

10:05 am-3:53 pm

1 stop8h 48m

$250

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Sat 4/11

7:00 am-8:30 pm

2 stops16h 30m

$260

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Sat 3/14

8:59 am-9:52 pm

2 stops15h 53m

$272

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 15 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 December.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*1 star
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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Reagan-National Airport-Santa Rosa flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Santa Rosa (average of $135). Flying from Washington, D.C. Reagan-National Airport to Santa Rosa in October is currently the most expensive (average of $255). 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 29h 35m. 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, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Santa Rosa (average of $135). Flying from Washington, D.C. Reagan-National Airport to Santa Rosa in October is currently the most expensive (average of $255). 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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$198+ 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 1/23. 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

Cheap 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 December 12, 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 December 12, 2025.

Find 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 December.

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 December 12, 2025.