What are the cheapest airlines flying 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 $353. Another airline that can offer you cheap pricing is American Airlines.

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 61% on this flight, we recommend booking at least 42 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 $549 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 $429 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.

$314+ 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	$353 (Alaska Airlines)
One-way from	$314 (Hawaiian Airlines)
Popular in	December
Cheapest in	February
Average price	$447

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

Search Deals

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 ($8 potential savings vs. average RT price).

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Average for round-trip flights in July 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 July 3, 2025.

Wed 9/39:59 amDCA - STS

1 stop16h 51mAlaska Airlines

Wed 9/103:07 pmSTS - DCA

1 stop26h 52mAlaska Airlines

Deal found 7/3

$353

Thu 10/169:59 amDCA - STS

1 stop9h 55mHawaiian Airlines

Mon 10/206:30 amSTS - DCA

1 stop10h 59mHawaiian Airlines

Deal found 7/3

$462

Sat 8/25:00 amDCA - STS

1 stop9h 41mAmerican Airlines

Sat 8/912:17 pmSTS - DCA

1 stop7h 42mAmerican Airlines

Deal found 6/30

$529

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 July 3, 2025.

Wed 9/39:59 amDCA - STS

1 stop16h 51mAlaska Airlines

Wed 9/103:07 pmSTS - DCA

1 stop26h 52mAlaska Airlines

Deal found 7/3

$353

Sat 8/25:00 amDCA - STS

1 stop9h 41mAmerican Airlines

Sat 8/912:17 pmSTS - DCA

1 stop7h 42mAmerican Airlines

Deal found 6/30

$529

Last-minute flights from Reagan-National to Santa Rosa
Discover last-minute flight deals from Reagan-National to Santa Rosa. Data last updated July 3, 2025 and is based on user searches.

Fri 7/118:59 amDCA - STS

2 stops32h 26mAlaska Airlines

Mon 7/143:05 pmSTS - DCA

1 stop27h 37mAlaska Airlines

Deal found 7/3

$838

Sat 8/25:00 amDCA - STS

1 stop9h 41mAmerican Airlines

Sat 8/912:17 pmSTS - DCA

1 stop7h 42mAmerican Airlines

Deal found 6/30

$529

Sat 8/168:59 amDCA - STS

1 stop17h 51mAlaska Airlines

Sun 8/246:00 amSTS - DCA

1 stop12h 59mAlaska Airlines

Deal found 7/1

$443

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 July 3, 2025.

Tue 7/299:59 amDCA - STS

1 stop11h 08mHawaiian Airlines

Deal found 6/30

$314

Fri 7/259:59 amDCA - STS

1 stop16h 45mAlaska Airlines

Deal found 7/3

$352

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 9/3

9:59 am-11:50 pm

1 stop16h 51m

Santa Rosa Sonoma County

Wed 9/10

3:07 pm-8:59 pm

1 stop26h 52m

$353

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Sat 8/2

5:00 am-11:41 am

1 stop9h 41m

Santa Rosa Sonoma County

Sat 8/9

12:17 pm-10:59 pm

1 stop7h 42m

$529

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Tue 7/29

9:59 am-6:07 pm

1 stop11h 08m

$314

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Fri 7/25

9:59 am-11:44 pm

1 stop16h 45m

$352

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

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.

Reviews of airlines servicing Santa Rosa

Read reviews from past customers who have flown Alaska Airlines, Hawaiian Airlines, and American Airlines from Washington, D.C. Reagan-National Airport to Santa Rosa. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Hawaiian Airlines

7.8

Good

2,545 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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 are the cheapest airlines flying 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 $353. Another airline that can offer you cheap pricing is American Airlines.
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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$314+ 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 7/29. 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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3. Compare prices and book

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 July 3, 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 July 3, 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?

Reviews of airlines servicing 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 are the cheapest airlines flying 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 July 3, 2025.