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

Flying on Alaska Airlines is currently your cheapest option to Washington, D.C. Reagan-National Airport, with prices starting at $320.

In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Reagan-National Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Reagan-National Airport, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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

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

Most accurate provider : When it comes to deals on Santa Rosa-Washington, D.C. Reagan-National Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Santa Rosa-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Santa Rosa-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Santa Rosa-Washington, D.C. Reagan-National Airport 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 Santa Rosa-Washington, D.C. Reagan-National Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Santa Rosa to Washington, D.C. Reagan-National?

If you book a flight to Washington, D.C. Reagan-National from Santa Rosa, you will be flying from Sonoma County, which is the city’s only airport. Santa Rosa Sonoma County (STS) is located 7.2 mi from the center of Santa Rosa. There are 0 flights from Sonoma County to Washington, D.C. Reagan-National per day from 1 airline.

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

Yes. In addition to deals on Santa Rosa to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.

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

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Santa Rosa to Reagan-National.

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

Yes. Cheapflights offers flight deals from Santa Rosa to Reagan-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$183+ Flights from Santa Rosa to Washington, D.C. Reagan-National Airport

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Cheap flight deals from Santa Rosa to Reagan-National

Cheapest flights from Santa Rosa to Reagan-National
Explore the most affordable flight options available from Santa Rosa to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.

mar. 12/165:59 pmSTS - DCA

2 stops21h 00mAlaska Airlines

vie. 12/198:59 amDCA - STS

1 stop8h 45mAlaska Airlines

Deal found 12/9

$1,045

lun. 12/158:03 pmSTS - DCA

2 stops18h 56mAlaska Airlines

vie. 12/198:59 amDCA - STS

1 stop8h 45mAlaska Airlines

Deal found 12/9

$1,075

vie. 12/267:00 amSTS - DCA

1 stop10h 39mAlaska Airlines

mar. 12/308:59 amDCA - STS

1 stop18h 00mAlaska Airlines

Deal found 12/11

$1,137

jue. 12/257:00 amSTS - DCA

2 stops11h 59mAlaska Airlines

lun. 12/299:59 amDCA - STS

1 stop8h 14mAlaska Airlines

Deal found 12/10

$1,392

jue. 12/256:45 amSTS - DCA

2 stops13h 14mAmerican Airlines

lun. 12/296:30 amDCA - STS

2 stops12h 21mAmerican Airlines

Deal found 12/10

$1,585

vie. 12/263:53 pmSTS - DCA

2 stops12h 07mAmerican Airlines

mar. 12/306:30 amDCA - STS

2 stops12h 21mAmerican Airlines

Deal found 12/11

$1,622

mar. 12/167:00 amSTS - DCA

1 stop10h 00mAlaska Airlines

sáb. 12/209:59 amDCA - STS

1 stop8h 14mAlaska Airlines

Deal found 12/9

$1,677

lun. 12/157:00 amSTS - DCA

1 stop10h 00mAlaska Airlines

sáb. 12/209:59 amDCA - STS

1 stop8h 14mAlaska Airlines

Deal found 12/9

$1,747

Best flights from Santa Rosa to Reagan-National
Discover carefully curated flight deals from Santa Rosa to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated diciembre 12, 2025.

mar. 1/206:50 amSTS - DCA

1 stop30h 11mAlaska Airlines

vie. 1/235:09 pmDCA - STS

2 stops20h 26mAlaska Airlines

Deal found 12/11

$363

sáb. 1/107:00 amSTS - DCA

1 stop10h 00mAlaska Airlines

mar. 1/135:01 pmDCA - STS

1 stop20h 34mAlaska Airlines

Deal found 12/9

$368

mié. 4/157:00 amSTS - DCA

1 stop10h 41mAlaska Airlines

sáb. 4/259:59 amDCA - STS

1 stop16h 42mAlaska Airlines

Deal found 12/10

$442

mié. 4/157:00 amSTS - DCA

1 stop10h 41mAlaska Airlines

mar. 4/219:30 amDCA - STS

1 stop27h 17mAlaska Airlines

Deal found 12/10

$442

mar. 4/141:22 pmSTS - DCA

1 stop28h 19mAlaska Airlines

lun. 4/209:30 amDCA - STS

1 stop17h 11mAlaska Airlines

Deal found 12/10

$442

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

dom. 1/47:00 amSTS - DCA

2 stops27h 01mMultiple Airlines

mié. 1/149:59 amDCA - STS

1 stop26h 57mMultiple Airlines

Deal found 12/10

$460

sáb. 1/107:00 amSTS - DCA

1 stop10h 00mAlaska Airlines

mar. 1/135:01 pmDCA - STS

1 stop20h 34mAlaska Airlines

Deal found 12/9

$368

mar. 1/206:50 amSTS - DCA

1 stop30h 11mAlaska Airlines

vie. 1/235:09 pmDCA - STS

2 stops20h 26mAlaska Airlines

Deal found 12/11

$363

mar. 1/204:23 pmSTS - DCA

2 stops13h 33mAmerican Airlines

vie. 1/2310:05 amDCA - STS

1 stop8h 48mAmerican Airlines

Deal found 12/11

$519

One-way flights from Santa Rosa to Reagan-National
Search for one-way flight options from Santa Rosa to Reagan-National. Find affordable one-way fares based on user searches. Data last updated diciembre 12, 2025.

mar. 1/206:50 amSTS - DCA

2 stops30h 19mAlaska Airlines

Deal found 12/11

$183

jue. 1/157:00 amSTS - DCA

1 stop10h 00mAlaska Airlines

Deal found 12/11

$207

vie. 2/276:50 pmSTS - DCA

2 stops24h 09mAlaska Airlines

Deal found 12/10

$208

mar. 1/204:23 pmSTS - DCA

2 stops13h 33mAmerican Airlines

Deal found 12/11

$276

dom. 1/48:17 pmSTS - DCA

2 stops11h 39mAlaska Airlines

Deal found 12/10

$427

jue. 1/16:00 amSTS - DCA

1 stop12h 59mAlaska Airlines

Deal found 12/10

$442

mar. 1/202:30 pmSTS - DCA

3 stops46h 39mMultiple Airlines

Deal found 12/11

$464

vie. 1/28:17 pmSTS - DCA

2 stops9h 41mAlaska Airlines

Deal found 12/10

$480

Find flight deals from Santa Rosa to Reagan-National

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 1 star
Round-trip from	$363 (Alaska Airlines)
One-way from	$183 (Alaska Airlines)
Popular in	December
Cheapest in	February
Average price	$533

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

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

Search Deals

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

Search Deals

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

Search Deals

Highest demand for flights based on searches. 7% potential increase in price ($35 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($11 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 Santa Rosa to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

mar. 1/20

6:50 am-4:01 pm

1 stop30h 11m

Washington, D.C. Reagan-National

vie. 1/23

5:09 pm-10:35 am

2 stops20h 26m

$363

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

sáb. 1/10

7:00 am-8:00 pm

1 stop10h 00m

Washington, D.C. Reagan-National

mar. 1/13

5:01 pm-10:35 am

1 stop20h 34m

$368

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

mié. 4/15

7:00 am-8:41 pm

1 stop10h 41m

Washington, D.C. Reagan-National

sáb. 4/25

9:59 am-11:41 pm

1 stop16h 42m

$442

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

mié. 4/15

7:00 am-8:41 pm

1 stop10h 41m

Washington, D.C. Reagan-National

mar. 4/21

9:30 am-9:47 am

1 stop27h 17m

$442

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

mar. 4/14

1:22 pm-8:41 pm

1 stop28h 19m

Washington, D.C. Reagan-National

lun. 4/20

9:30 am-11:41 pm

1 stop17h 11m

$442

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

mar. 1/20

6:50 am-4:09 pm

2 stops30h 19m

$183

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

jue. 1/15

7:00 am-8:00 pm

1 stop10h 00m

$207

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

vie. 2/27

6:50 pm-9:59 pm

2 stops24h 09m

$208

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

mar. 1/20

4:23 pm-8:56 am

2 stops13h 33m

$276

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

jue. 1/1

8:17 pm-10:56 am

2 stops11h 39m

$427

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 13 results

Most accurate provider: When it comes to deals on Santa Rosa-Washington, D.C. Reagan-National Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Santa Rosa-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Santa Rosa-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Santa Rosa-Washington, D.C. Reagan-National Airport 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 Santa Rosa-Washington, D.C. Reagan-National Airport 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 Santa Rosa to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Santa Rosa 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 Santa Rosa to Washington, D.C. Reagan-National Airport

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

Currently, October is the cheapest month in which you can book a flight from Santa Rosa to Washington, D.C. Reagan-National Airport (average of $187). Flying from Santa Rosa to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $256). 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 Reagan-National

Read through reviews of airlines operating flights from Santa Rosa to Washington, D.C. Reagan-National Airport, such as Alaska Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

11,432 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

It was a five hour flight and my seat did not recline. I have had three back surgeries and I’m solid bone for my L3 vertebrae all the way to my tailbone. My body has never hurt so much. There was no TV on this flight and only a small can of soda was free.

Alaska Airlines

8.0

Very good

11,432 reviews

Alaska Airlines

8.0

Very good

11,432 reviews

Reviews

1 / 20

2.0

Mediocre

Art,Dec 2025

SAN - OGG

Related info for your journey

What airport do you fly from for flights from Santa Rosa to Washington, D.C. Reagan-National?
If you book a flight to Washington, D.C. Reagan-National from Santa Rosa, you will be flying from Sonoma County, which is the city’s only airport. Santa Rosa Sonoma County (STS) is located 7.2 mi from the center of Santa Rosa. There are 0 flights from Sonoma County to Washington, D.C. Reagan-National per day from 1 airline.
How long is the flight from Santa Rosa to Washington, D.C. Reagan-National Airport?
A quick flight from Santa Rosa to Washington, D.C. Reagan-National Airport can take about 30h 11m. Alaska Airlines provides one of the quickest options available for as low as $363. Airlines will cover a distance of 2441 mi.
What is the cheapest airline to fly from Santa Rosa to Washington, D.C. Reagan-National Airport round-trip?
Flying on Alaska Airlines is currently your cheapest option to Washington, D.C. Reagan-National Airport, with prices starting at $320.
Can I find deals for flights from Santa Rosa to Reagan-National that include hotel bookings?
Yes. In addition to deals on Santa Rosa to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Santa Rosa to Reagan-National?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Santa Rosa to Reagan-National.
Can I find deals for business class flights from Santa Rosa to Reagan-National?
Yes. Cheapflights offers flight deals from Santa Rosa to Reagan-National 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 Santa Rosa to Washington, D.C. Reagan-National Airport?
Currently, October is the cheapest month in which you can book a flight from Santa Rosa to Washington, D.C. Reagan-National Airport (average of $187). Flying from Santa Rosa to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of $256). 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.

See more FAQs

Alexandria

Woodbridge

Tysons

Arlington

Owings Mills

Springfield

Hanover

Silver Spring

Fredericksburg

Fairfax

Linthicum Heights

Manassas

Rockville

Laurel

Towson

National Harbor

Bowie

Largo

McLean

Clinton

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Santa Rosa to Reagan-National

Airline	Cheapest	Average	Flexibility	On-time
Alaska Airlines	Cheapest$320	Average$487	FlexibilityNo cancel fee	On-time75%

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$183+ Cheap flights from Santa Rosa (STS) to Reagan-National (DCA)

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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.

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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Santa Rosa to Reagan-National

Cheapest flights from Santa Rosa to Reagan-NationalExplore the most affordable flight options available from Santa Rosa to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.

Explore the most affordable flight options available from Santa Rosa to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.

Find flight deals from Santa Rosa to Reagan-National

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 Santa Rosa to Washington, D.C. Reagan-National Airport that are best for you.

Best time to book a flight from Santa Rosa to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Santa Rosa with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Santa Rosa to Washington, D.C. Reagan-National Airport

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

Reviews of airlines servicing Reagan-National

Read through reviews of airlines operating flights from Santa Rosa to Washington, D.C. Reagan-National Airport, such as Alaska Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Santa Rosa to Reagan-National. 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 from for flights from Santa Rosa to Washington, D.C. Reagan-National?

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

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

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

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

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

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

Traveling to a place near Washington, D.C. Reagan-National Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Santa Rosa to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Santa Rosa to Reagan-National

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Cheapest flights from Santa Rosa to Reagan-National
Explore the most affordable flight options available from Santa Rosa to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 12, 2025.