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 60% 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 $528 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 $424 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.

$193+ 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	$278 (Alaska Airlines)
One-way from	$193 (Alaska Airlines)
Popular in	December
Cheapest in	February
Average price	$397

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. 7% potential increase in price ($35 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).

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Average for round-trip flights in August 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 August 13, 2025.

Tue 9/168:59 amDCA - STS

1 stop29h 15mAlaska Airlines

Sat 9/207:03 amSTS - DCA

1 stop10h 56mAlaska Airlines

Deal found 8/11

$278

Sat 10/48:59 amDCA - STS

1 stop17h 17mAlaska Airlines

Tue 10/712:41 pmSTS - DCA

1 stop29h 33mAlaska Airlines

Deal found 8/10

$320

Wed 9/38:59 amDCA - STS

1 stop13h 13mAlaska Airlines

Wed 9/103:07 pmSTS - DCA

1 stop26h 52mAlaska Airlines

Deal found 8/11

$334

Wed 10/229:59 amDCA - STS

1 stop9h 55mAlaska Airlines

Sat 10/256:25 amSTS - DCA

1 stop11h 04mAlaska Airlines

Deal found 8/11

$356

Sat 10/49:59 amDCA - STS

1 stop9h 55mHawaiian Airlines

Tue 10/77:00 amSTS - DCA

1 stop11h 14mHawaiian Airlines

Deal found 8/11

$358

Sat 9/138:00 amDCA - STS

1 stop15h 23mAlaska Airlines

Wed 9/176:00 amSTS - DCA

1 stop12h 59mAlaska Airlines

Deal found 8/12

$392

Wed 10/19:59 amDCA - STS

1 stop16h 51mAlaska Airlines

Mon 10/612:41 pmSTS - DCA

1 stop29h 33mAlaska Airlines

Deal found 8/12

$393

Wed 9/108:59 amDCA - STS

1 stop13h 13mAlaska Airlines

Mon 9/156:56 pmSTS - DCA

1 stop23h 03mAlaska Airlines

Deal found 8/12

$402

Sat 9/138:00 amDCA - STS

1 stop15h 23mAlaska Airlines

Thu 9/183:07 pmSTS - DCA

1 stop26h 52mAlaska Airlines

Deal found 8/12

$403

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 August 13, 2025.

Tue 9/168:59 amDCA - STS

1 stop29h 15mAlaska Airlines

Sat 9/207:03 amSTS - DCA

1 stop10h 56mAlaska Airlines

Deal found 8/11

$278

Sat 10/49:59 amDCA - STS

1 stop9h 55mHawaiian Airlines

Tue 10/77:00 amSTS - DCA

1 stop11h 14mHawaiian Airlines

Deal found 8/11

$358

Sat 10/48:59 amDCA - STS

1 stop17h 17mAlaska Airlines

Tue 10/712:41 pmSTS - DCA

1 stop29h 33mAlaska Airlines

Deal found 8/10

$320

Wed 9/38:59 amDCA - STS

1 stop13h 13mAlaska Airlines

Wed 9/103:07 pmSTS - DCA

1 stop26h 52mAlaska Airlines

Deal found 8/11

$334

Wed 10/229:59 amDCA - STS

1 stop9h 55mAlaska Airlines

Sat 10/256:25 amSTS - DCA

1 stop11h 04mAlaska Airlines

Deal found 8/11

$356

Wed 10/158:59 amDCA - STS

1 stop8h 17mAlaska Airlines

Mon 10/2012:41 pmSTS - DCA

1 stop29h 33mAlaska Airlines

Deal found 8/11

$362

Tue 9/309:59 amDCA - STS

1 stop26h 44mAlaska Airlines

Sat 10/46:30 amSTS - DCA

1 stop10h 59mAlaska Airlines

Deal found 8/12

$362

Last-minute flights from Reagan-National to Santa Rosa
Discover last-minute flight deals from Reagan-National to Santa Rosa. Data last updated August 13, 2025 and is based on user searches.

Mon 8/189:59 amDCA - STS

1 stop11h 08mAlaska Airlines

Wed 8/207:03 amSTS - DCA

1 stop10h 56mAlaska Airlines

Deal found 8/12

$980

Mon 8/189:59 amDCA - STS

1 stop11h 08mAlaska Airlines

Sun 8/247:03 amSTS - DCA

1 stop10h 56mAlaska Airlines

Deal found 8/12

$1,040

Tue 8/199:59 amDCA - STS

1 stop11h 08mAlaska Airlines

Sat 8/237:03 amSTS - DCA

1 stop10h 56mAlaska Airlines

Deal found 8/12

$902

Tue 8/199:59 amDCA - STS

1 stop11h 08mAlaska Airlines

Thu 8/217:03 amSTS - DCA

1 stop10h 56mAlaska Airlines

Deal found 8/12

$907

Tue 8/198:00 amDCA - STS

2 stops13h 07mAlaska Airlines

Wed 8/207:03 amSTS - DCA

1 stop10h 56mAlaska Airlines

Deal found 8/12

$908

Wed 8/208:59 amDCA - STS

1 stop13h 13mAlaska Airlines

Thu 8/217:03 amSTS - DCA

1 stop10h 56mAlaska Airlines

Deal found 8/12

$922

Thu 8/218:00 amDCA - STS

2 stops18h 59mAlaska Airlines

Fri 8/227:03 amSTS - DCA

1 stop10h 56mAlaska Airlines

Deal found 8/12

$958

Thu 8/218:00 amDCA - STS

1 stop8h 36mAlaska Airlines

Thu 8/215:55 pmSTS - DCA

2 stops12h 05mAlaska Airlines

Deal found 8/12

$1,154

Fri 8/2210:55 amDCA - STS

2 stops12h 13mAlaska Airlines

Sat 8/237:00 amSTS - DCA

2 stops12h 15mAlaska Airlines

Deal found 8/12

$949

Sat 8/236:45 amDCA - STS

1 stop7h 52mAmerican Airlines

Fri 8/2912:17 pmSTS - DCA

1 stop9h 34mAmerican Airlines

Deal found 8/12

$2,014

Wed 9/38:59 amDCA - STS

1 stop13h 13mAlaska Airlines

Wed 9/103:07 pmSTS - DCA

1 stop26h 52mAlaska Airlines

Deal found 8/11

$334

Wed 9/108:59 amDCA - STS

1 stop13h 13mAlaska Airlines

Mon 9/156:56 pmSTS - DCA

1 stop23h 03mAlaska Airlines

Deal found 8/12

$402

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 August 13, 2025.

Wed 9/178:59 amDCA - STS

1 stop13h 13mAlaska Airlines

Deal found 8/13

$193

Wed 9/176:45 amDCA - STS

2 stops12h 03mAmerican Airlines

Deal found 8/11

$270

Fri 1/29:59 amDCA - STS

1 stop8h 14mAlaska Airlines

Deal found 8/13

$296

Wed 12/1710:17 amDCA - STS

1 stop8h 37mAmerican Airlines

Deal found 8/13

$315

Thu 12/188:59 amDCA - STS

1 stop8h 45mAlaska Airlines

Deal found 8/13

$449

Fri 1/25:00 amDCA - STS

2 stops13h 56mAmerican Airlines

Deal found 8/13

$460

Wed 8/208:59 amDCA - STS

1 stop13h 13mAlaska Airlines

Deal found 8/13

$467

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 9/16

8:59 am-11:14 am

1 stop29h 15m

Santa Rosa Sonoma County

Sat 9/20

7:03 am-8:59 pm

1 stop10h 56m

$278

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

12:41 pm-9:14 pm

1 stop29h 33m

$320

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Wed 9/3

8:59 am-7:12 pm

1 stop13h 13m

Santa Rosa Sonoma County

Wed 9/10

3:07 pm-8:59 pm

1 stop26h 52m

$334

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Wed 10/22

9:59 am-4:54 pm

1 stop9h 55m

Santa Rosa Sonoma County

Sat 10/25

6:25 am-8:29 pm

1 stop11h 04m

$356

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Sat 10/4

9:59 am-4:54 pm

1 stop9h 55m

Santa Rosa Sonoma County

Tue 10/7

7:00 am-9:14 pm

1 stop11h 14m

$358

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Wed 10/15

8:59 am-2:16 pm

1 stop8h 17m

Santa Rosa Sonoma County

Mon 10/20

12:41 pm-9:14 pm

1 stop29h 33m

$362

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Tue 9/30

9:59 am-9:43 am

1 stop26h 44m

Santa Rosa Sonoma County

Sat 10/4

6:30 am-8:29 pm

1 stop10h 59m

$362

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Wed 9/17

8:59 am-7:12 pm

1 stop13h 13m

$193

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Wed 9/17

6:45 am-3:48 pm

2 stops12h 03m

$270

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Sat 1/3

9:59 am-3:13 pm

1 stop8h 14m

$296

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 14 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.
What is the cheapest airline to fly from Washington, D.C. Reagan-National Airport to Santa Rosa round-trip?
Cheapflights users have booked flights from Washington, D.C. Reagan-National Airport to Santa Rosa round-trip from $278.
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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$193+ 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 9/17. 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

Round-trip from

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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 August 13, 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 August 13, 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?

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

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 August 13, 2025.