What is the cheapest day to fly from Washington, D.C. Reagan-National Airport to Santa Rosa?

Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Santa Rosa flight should consider departing on Saturday mornings when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 day to fly round-trip from Washington, D.C. Reagan-National Airport to Santa Rosa?

Flights from Washington, D.C. Reagan-National Airport to Santa Rosa are found to be more expensive on Thursday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Santa Rosa.

How far in advance should I book a flight from Washington, D.C. Reagan-National Airport to Santa Rosa?

To save up to 56% on this flight, we recommend booking at least 24 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Washington, D.C. Reagan-National Airport to Santa Rosa from $496 1-2 weeks out and tickets from $628 for flights departing within the next 72 hours.

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

Our data shows that February tends to be the cheapest month to fly to Santa Rosa from Washington, D.C. Reagan-National Airport. Users have commonly found prices around $428 for the month, but tickets can be as low as $170. Due to multiple factors, prepare for potentially higher prices in December.

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.

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.

$187+ Flights from Washington, D.C. Reagan-National Airport to Santa Rosa

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Cheap flight deals from Reagan-National to Santa Rosa

Round-trip from	$362 (Alaska Airlines)
One-way from	$187 (Alaska Airlines)
Popular in	December
Cheapest in	February
Average price	$416

From Washington, D.C. Reagan-National to Santa Rosa Sonoma County

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One-way flight from Washington, D.C. Reagan-National to Santa Rosa Sonoma County

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Highest demand for flights based on searches. 6% potential increase in price ($28 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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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 September 15, 2025.

Sat 11/18:59 amDCA - STS

1 stop17h 58mAlaska Airlines

Mon 11/107:46 pmSTS - DCA

1 stop22h 19mAlaska Airlines

Deal found 9/14

$362

Sat 10/48:59 amDCA - STS

1 stop17h 17mAlaska Airlines

Tue 10/77:00 amSTS - DCA

1 stop11h 14mAlaska Airlines

Deal found 9/13

$382

Fri 10/319:59 amDCA - STS

1 stop10h 55mAlaska Airlines

Sat 11/157:45 amSTS - DCA

1 stop9h 15mAlaska Airlines

Deal found 9/14

$388

Tue 11/119:59 amDCA - STS

1 stop10h 55mAlaska Airlines

Fri 11/147:46 pmSTS - DCA

1 stop22h 19mAlaska Airlines

Deal found 9/15

$394

Thu 12/258:59 amDCA - STS

1 stop8h 45mAlaska Airlines

Mon 1/56:45 amSTS - DCA

1 stop11h 34mAlaska Airlines

Deal found 9/13

$442

Wed 12/245:00 pmDCA - STS

1 stop23h 32mAlaska Airlines

Thu 1/16:45 amSTS - DCA

1 stop11h 34mAlaska Airlines

Deal found 9/13

$452

Tue 12/238:59 amDCA - STS

1 stop29h 24mAlaska Airlines

Thu 1/16:45 amSTS - DCA

1 stop11h 34mAlaska Airlines

Deal found 9/13

$462

Tue 12/238:59 amDCA - STS

1 stop29h 24mAlaska Airlines

Sun 1/42:24 pmSTS - DCA

1 stop28h 35mAlaska Airlines

Deal found 9/13

$472

Thu 12/258:59 amDCA - STS

1 stop8h 45mAlaska Airlines

Fri 1/26:00 amSTS - DCA

1 stop12h 59mAlaska Airlines

Deal found 9/13

$497

Tue 9/308:00 amDCA - STS

2 stops14h 12mAlaska Airlines

Tue 10/712:41 pmSTS - DCA

1 stop29h 33mAlaska Airlines

Deal found 9/14

$499

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 September 15, 2025.

Sat 10/48:59 amDCA - STS

1 stop17h 17mAlaska Airlines

Tue 10/77:00 amSTS - DCA

1 stop11h 14mAlaska Airlines

Deal found 9/13

$382

Fri 10/319:59 amDCA - STS

1 stop10h 55mAlaska Airlines

Sat 11/157:45 amSTS - DCA

1 stop9h 15mAlaska Airlines

Deal found 9/14

$388

Tue 11/119:59 amDCA - STS

1 stop10h 55mAlaska Airlines

Fri 11/147:46 pmSTS - DCA

1 stop22h 19mAlaska Airlines

Deal found 9/15

$394

Thu 12/258:59 amDCA - STS

1 stop8h 45mAlaska Airlines

Thu 1/16:45 amSTS - DCA

1 stop11h 34mAlaska Airlines

Deal found 9/13

$442

Tue 12/238:59 amDCA - STS

1 stop29h 24mAlaska Airlines

Mon 1/56:45 amSTS - DCA

1 stop11h 34mAlaska Airlines

Deal found 9/13

$462

Wed 12/245:00 pmDCA - STS

1 stop23h 32mAlaska Airlines

Sun 1/42:24 pmSTS - DCA

1 stop28h 35mAlaska Airlines

Deal found 9/13

$462

Tue 12/238:59 amDCA - STS

1 stop29h 24mAlaska Airlines

Thu 1/16:45 amSTS - DCA

1 stop11h 34mAlaska Airlines

Deal found 9/13

$462

Tue 12/238:59 amDCA - STS

1 stop29h 24mAlaska Airlines

Sun 1/42:24 pmSTS - DCA

1 stop28h 35mAlaska Airlines

Deal found 9/13

$472

Thu 12/258:59 amDCA - STS

1 stop8h 45mAlaska Airlines

Fri 1/26:00 amSTS - DCA

1 stop12h 59mAlaska Airlines

Deal found 9/13

$497

Tue 9/308:59 amDCA - STS

1 stop29h 15mAlaska Airlines

Tue 10/712:41 pmSTS - DCA

1 stop29h 33mAlaska Airlines

Deal found 9/14

$513

Tue 12/238:59 amDCA - STS

1 stop29h 24mAlaska Airlines

Fri 1/26:00 amSTS - DCA

1 stop12h 59mAlaska Airlines

Deal found 9/13

$517

Last-minute flights from Reagan-National to Santa Rosa
Discover last-minute flight deals from Reagan-National to Santa Rosa. Data last updated September 15, 2025 and is based on user searches.

Mon 9/298:59 amDCA - STS

1 stop29h 15mAlaska Airlines

Fri 10/36:56 pmSTS - DCA

1 stop23h 18mAlaska Airlines

Deal found 9/13

$602

Tue 9/308:00 amDCA - STS

2 stops14h 12mAlaska Airlines

Tue 10/712:41 pmSTS - DCA

1 stop29h 33mAlaska Airlines

Deal found 9/14

$499

Sat 10/48:59 amDCA - STS

1 stop17h 17mAlaska Airlines

Tue 10/77:00 amSTS - DCA

1 stop11h 14mAlaska Airlines

Deal found 9/13

$382

Sat 10/49:59 amDCA - STS

1 stop9h 55mHawaiian Airlines

Tue 10/77:00 amSTS - DCA

1 stop11h 14mHawaiian Airlines

Deal found 9/14

$547

Wed 10/88:59 amDCA - STS

1 stop17h 17mAlaska Airlines

Sun 10/126:25 amSTS - DCA

1 stop11h 04mAlaska Airlines

Deal found 9/15

$553

Thu 10/168:00 amDCA - STS

1 stop17h 06mAlaska Airlines

Mon 10/2012:41 pmSTS - DCA

1 stop29h 33mAlaska Airlines

Deal found 9/15

$549

Fri 10/319:59 amDCA - STS

1 stop10h 55mAlaska Airlines

Sat 11/157:45 amSTS - DCA

1 stop9h 15mAlaska Airlines

Deal found 9/14

$388

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 September 15, 2025.

Sat 11/158:59 amDCA - STS

1 stop10h 03mAlaska Airlines

Deal found 9/14

$187

Thu 11/208:59 amDCA - STS

1 stop10h 03mAlaska Airlines

Deal found 9/14

$207

Tue 10/78:59 amDCA - STS

1 stop17h 17mAlaska Airlines

Deal found 9/14

$227

Mon 11/178:59 amDCA - STS

1 stop29h 21mAlaska Airlines

Deal found 9/14

$247

Fri 11/148:59 amDCA - STS

1 stop10h 03mAlaska Airlines

Deal found 9/14

$249

Wed 12/107:00 amDCA - STS

1 stop8h 27mAmerican Airlines

Deal found 9/15

$250

Sun 11/168:00 amDCA - STS

1 stop17h 05mAlaska Airlines

Deal found 9/14

$257

Wed 12/108:00 amDCA - STS

2 stops29h 19mAlaska Airlines

Deal found 9/15

$262

Sat 10/1810:08 amDCA - STS

1 stop8h 39mAmerican Airlines

Deal found 9/15

$300

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

Sat 10/4

8:59 am-11:16 pm

1 stop17h 17m

Santa Rosa Sonoma County

Tue 10/7

7:00 am-9:14 pm

1 stop11h 14m

$382

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Fri 10/31

9:59 am-5:54 pm

1 stop10h 55m

Santa Rosa Sonoma County

Sat 11/15

7:45 am-8:00 pm

1 stop9h 15m

$388

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Tue 11/11

9:59 am-5:54 pm

1 stop10h 55m

Santa Rosa Sonoma County

Fri 11/14

7:46 pm-9:05 pm

1 stop22h 19m

$394

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Thu 12/25

8:59 am-2:44 pm

1 stop8h 45m

Santa Rosa Sonoma County

Thu 1/1

6:45 am-9:19 pm

1 stop11h 34m

$442

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Tue 12/23

8:59 am-11:23 am

1 stop29h 24m

Santa Rosa Sonoma County

Mon 1/5

6:45 am-9:19 pm

1 stop11h 34m

$462

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Wed 12/24

5:00 pm-1:32 pm

1 stop23h 32m

Santa Rosa Sonoma County

Sun 1/4

2:24 pm-9:59 pm

1 stop28h 35m

$462

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Tue 12/23

8:59 am-11:23 am

1 stop29h 24m

Santa Rosa Sonoma County

Thu 1/1

6:45 am-9:19 pm

1 stop11h 34m

$462

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Tue 12/23

8:59 am-11:23 am

1 stop29h 24m

Santa Rosa Sonoma County

Sun 1/4

2:24 pm-9:59 pm

1 stop28h 35m

$472

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Thu 12/25

8:59 am-2:44 pm

1 stop8h 45m

Santa Rosa Sonoma County

Fri 1/2

6:00 am-9:59 pm

1 stop12h 59m

$497

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Tue 9/30

8:59 am-11:14 am

1 stop29h 15m

Santa Rosa Sonoma County

Tue 10/7

12:41 pm-9:14 pm

1 stop29h 33m

$513

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 20 results

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 $202). Flying from Washington, D.C. Reagan-National Airport to Santa Rosa in June is currently the most expensive (average of $395). 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 17h 17m. 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 $202). Flying from Washington, D.C. Reagan-National Airport to Santa Rosa in June is currently the most expensive (average of $395). 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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$187+ 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 11/15. 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

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Cheap flight deals from Reagan-National to Santa Rosa

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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 September 15, 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 September 15, 2025.

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.

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 September 15, 2025.