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Cheap flights from Santa Rosa to Washington, D.C. from $260

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Santa Rosa to Washington, D.C. departing on 9/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Santa Rosa to Washington, D.C.

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
6:53 pm - 4:00 pmSTS  Santa Rosa Sonoma County-DCA Washington, D.C. Reagan-National
18h 07m1 stop Portland
Alaska Airlines Logo
5:27 pm - 9:15 amDCA  Washington, D.C. Reagan-National-STS Santa Rosa Sonoma County
18h 48m1 stop Portland
$350Alaska Airlines
Thu, Sep 10 - Mon, Sep 14
Delta Logo
4:50 pm - 10:09 amSTS  Santa Rosa Sonoma County-DCA Washington, D.C. Reagan-National
14h 19m2 stops Salt Lake City New York John F Kennedy Intl
Delta Logo
7:45 am - 4:05 pmDCA  Washington, D.C. Reagan-National-STS Santa Rosa Sonoma County
11h 20m2 stops Minneapolis St Paul Salt Lake City
$359Delta
Sat, Oct 17 - Sat, Oct 24
American Airlines Logo
12:39 pm - 11:59 pmSTS  Santa Rosa Sonoma County-DCA Washington, D.C. Reagan-National
8h 20m1 stop Dallas/Fort Worth
American Airlines Logo
5:00 am - 12:09 pmDCA  Washington, D.C. Reagan-National-STS Santa Rosa Sonoma County
10h 09m1 stop Dallas/Fort Worth
$407American Airlines
Thu, Sep 10 - Mon, Sep 14
Alaska Airlines Logo
7:10 am - 8:00 pmSTS  Santa Rosa Sonoma County-DCA Washington, D.C. Reagan-National
9h 50m1 stop Los Angeles Los Angeles
Alaska Airlines Logo
10:59 am - 7:50 pmDCA  Washington, D.C. Reagan-National-STS Santa Rosa Sonoma County
11h 51m1 stop San Diego
$407Alaska Airlines
Wed, Sep 30 - Wed, Oct 21
Alaska Airlines Logo
7:10 am - 8:00 pmSTS  Santa Rosa Sonoma County-DCA Washington, D.C. Reagan-National
9h 50m1 stop Los Angeles Los Angeles
Alaska Airlines Logo
10:59 am - 7:50 pmDCA  Washington, D.C. Reagan-National-STS Santa Rosa Sonoma County
11h 51m1 stop San Diego
$407Alaska Airlines
Wed, Sep 30 - Tue, Oct 20
Alaska Airlines Logo
7:10 am - 8:00 pmSTS  Santa Rosa Sonoma County-DCA Washington, D.C. Reagan-National
9h 50m1 stop Los Angeles Los Angeles
Alaska Airlines Logo
10:59 am - 11:00 pmDCA  Washington, D.C. Reagan-National-STS Santa Rosa Sonoma County
15h 01m1 stop San Diego
$427Alaska Airlines
Wed, Sep 30 - Mon, Oct 19
Alaska Airlines Logo
7:10 am - 8:00 pmSTS  Santa Rosa Sonoma County-DCA Washington, D.C. Reagan-National
9h 50m1 stop Los Angeles Los Angeles
Alaska Airlines Logo
10:59 am - 11:00 pmDCA  Washington, D.C. Reagan-National-STS Santa Rosa Sonoma County
15h 01m1 stop San Diego
$427Alaska Airlines
Wed, Sep 30 - Thu, Oct 22
Alaska Airlines Logo
8:00 am - 4:04 pmSTS  Santa Rosa Sonoma County-DCA Washington, D.C. Reagan-National
29h 04m1 stop Portland
Alaska Airlines Logo
6:59 pm - 2:25 pmDCA  Washington, D.C. Reagan-National-STS Santa Rosa Sonoma County
22h 26m2 stops San Francisco Las Vegas Harry Reid Intl
$434Alaska Airlines
Thu, Jan 14 - Mon, Jan 18
Alaska Airlines Logo
11:55 am - 4:04 pmSTS  Santa Rosa Sonoma County-DCA Washington, D.C. Reagan-National
25h 09m1 stop Portland
Alaska Airlines Logo
5:04 pm - 1:28 pmDCA  Washington, D.C. Reagan-National-STS Santa Rosa Sonoma County
23h 24m1 stop Seattle/Tacoma Intl
$437Alaska Airlines
Thu, Jan 14 - Mon, Jan 18
Southwest Logo
4:40 pm - 8:30 amSTS  Santa Rosa Sonoma County-DCA Washington, D.C. Reagan-National
12h 50m2 stops San Diego Chicago Midway
Southwest Logo
1:30 pm - 10:40 pmDCA  Washington, D.C. Reagan-National-STS Santa Rosa Sonoma County
12h 10m2 stops Nashville Intl San Diego
$444Southwest
Thu, Sep 10 - Mon, Sep 14

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Alaska Airlines flights from Santa Rosa to Washington, D.C. Reagan-National Airport

Our best Alaska Airlines deals on Santa Rosa to Washington, D.C. Reagan-National Airport flight tickets
Alaska Airlines
Sep 10
STS6:53 pmSanta Rosa Sonoma County
18h 07m
1 stop
DCA4:00 pmWashington, D.C. Reagan-National
Sep 14
DCA5:27 pmWashington, D.C. Reagan-National
18h 48m
1 stop
STS9:15 amSanta Rosa Sonoma County
$350
Alaska Airlines
Sep 30
STS7:10 amSanta Rosa Sonoma County
9h 50m
1 stop
DCA8:00 pmWashington, D.C. Reagan-National
Oct 20
DCA10:59 amWashington, D.C. Reagan-National
11h 51m
1 stop
STS7:50 pmSanta Rosa Sonoma County
$407
Alaska Airlines
Sep 30
STS7:10 amSanta Rosa Sonoma County
9h 50m
1 stop
DCA8:00 pmWashington, D.C. Reagan-National
Oct 22
DCA10:59 amWashington, D.C. Reagan-National
15h 01m
1 stop
STS11:00 pmSanta Rosa Sonoma County
$427

Delta flights from Santa Rosa to Washington, D.C. Reagan-National Airport

Our best Delta deals on Santa Rosa to Washington, D.C. Reagan-National Airport flight tickets
Delta
Oct 17
STS4:50 pmSanta Rosa Sonoma County
14h 19m
2 stops
DCA10:09 amWashington, D.C. Reagan-National
Oct 24
DCA7:45 amWashington, D.C. Reagan-National
11h 20m
2 stops
STS4:05 pmSanta Rosa Sonoma County
$359
Delta
Jan 14
STS7:00 amSanta Rosa Sonoma County
12h 14m
2 stops
DCA10:14 pmWashington, D.C. Reagan-National
Jan 17
DCA5:00 pmWashington, D.C. Reagan-National
7h 48m
1 stop
STS9:48 pmSanta Rosa Sonoma County
$454

momondo Fare Finder

 
Customize your flight search to find flights from Santa Rosa to Washington, D.C. Reagan-National Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 14, 2026.
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

Cheapest round-trip

Santa RosaWashington, D.C.

STS Santa Rosa Sonoma County - DCA Washington, D.C. Reagan-National

STSDCA

Santa Rosa Sonoma County

Thu 9/10

6:53 pm-4:00 pm

1 stop18h 07m

Washington, D.C. Reagan-National

Mon 9/14

5:27 pm-9:15 am

1 stop18h 48m

$350

Santa RosaWashington, D.C.

STS Santa Rosa Sonoma County - DCA Washington, D.C. Reagan-National

STSDCA

Santa Rosa Sonoma County

Sat 10/17

4:50 pm-10:09 am

2 stops14h 19m

Washington, D.C. Reagan-National

Sat 10/24

7:45 am-4:05 pm

2 stops11h 20m

$359
Quickest round-trip

Santa RosaWashington, D.C.

STS Santa Rosa Sonoma County - DCA Washington, D.C. Reagan-National

STSDCA

Santa Rosa Sonoma County

Thu 9/10

12:39 pm-11:59 pm

1 stop8h 20m

Washington, D.C. Reagan-National

Mon 9/14

5:00 am-12:09 pm

1 stop10h 09m

$407

Santa RosaWashington, D.C.

STS Santa Rosa Sonoma County - DCA Washington, D.C. Reagan-National

STSDCA

Santa Rosa Sonoma County

Wed 9/30

7:10 am-8:00 pm

1 stop9h 50m

Washington, D.C. Reagan-National

Wed 10/21

10:59 am-7:50 pm

1 stop11h 51m

$407

Santa RosaWashington, D.C.

STS Santa Rosa Sonoma County - DCA Washington, D.C. Reagan-National

STSDCA

Santa Rosa Sonoma County

Wed 9/30

7:10 am-8:00 pm

1 stop9h 50m

Washington, D.C. Reagan-National

Tue 10/20

10:59 am-7:50 pm

1 stop11h 51m

$407

Santa RosaWashington, D.C.

STS Santa Rosa Sonoma County - DCA Washington, D.C. Reagan-National

STSDCA

Santa Rosa Sonoma County

Wed 9/30

7:10 am-8:00 pm

1 stop9h 50m

Washington, D.C. Reagan-National

Mon 10/19

10:59 am-11:00 pm

1 stop15h 01m

$427

Santa RosaWashington, D.C.

STS Santa Rosa Sonoma County - DCA Washington, D.C. Reagan-National

STSDCA

Santa Rosa Sonoma County

Wed 9/30

7:10 am-8:00 pm

1 stop9h 50m

Washington, D.C. Reagan-National

Thu 10/22

10:59 am-11:00 pm

1 stop15h 01m

$427

Santa RosaWashington, D.C.

STS Santa Rosa Sonoma County - DCA Washington, D.C. Reagan-National

STSDCA

Santa Rosa Sonoma County

Thu 1/14

8:00 am-4:04 pm

1 stop29h 04m

Washington, D.C. Reagan-National

Mon 1/18

6:59 pm-2:25 pm

2 stops22h 26m

$434

Santa RosaWashington, D.C.

STS Santa Rosa Sonoma County - DCA Washington, D.C. Reagan-National

STSDCA

Santa Rosa Sonoma County

Thu 1/14

11:55 am-4:04 pm

1 stop25h 09m

Washington, D.C. Reagan-National

Mon 1/18

5:04 pm-1:28 pm

1 stop23h 24m

$437

Santa RosaWashington, D.C.

STS Santa Rosa Sonoma County - DCA Washington, D.C. Reagan-National

STSDCA

Santa Rosa Sonoma County

Thu 9/10

4:40 pm-8:30 am

2 stops12h 50m

Washington, D.C. Reagan-National

Mon 9/14

1:30 pm-10:40 pm

2 stops12h 10m

$444

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Santa Rosa to Washington, D.C. Reagan-National Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Washington, D.C. Reagan-National Airport?

The cheapest day to depart from Santa Rosa to Washington, D.C. Reagan-National Airport is on a Wednesday. Travelers who choose to depart for Washington, D.C. Reagan-National Airport on a Wednesday will often find tickets for as low as $456. Flights from Santa Rosa to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $766. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Washington, D.C. Reagan-National Airport?

Our data shows that the cheapest Santa Rosa to Washington, D.C. Reagan-National Airport flights are usually those with departure times in the morning. Our users have found flights to Washington, D.C. Reagan-National Airport in the morning for as low as $526. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is at noon when prices are around $580.

When to book flights from Santa Rosa to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Santa Rosa to Washington, D.C. Reagan-National Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Santa Rosa to Washington, D.C. Reagan-National Airport (STS to DCA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Santa Rosa to Washington, D.C. Reagan-National Airport

Fastest flight time

9h 10m

Direct flights

None
The fastest flight from Santa Rosa to Washington, D.C. Reagan-National Airport takes 9h 10m
There are no direct flights from Santa Rosa to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Santa Rosa to Washington, D.C. Reagan-National Airport.
Search flight deals

Frequently asked questions about flying from Santa Rosa to Washington, D.C. Reagan-National Airport

  • How far is Santa Rosa Sonoma County to Washington, D.C. Reagan-National by plane?

    A flight from Santa Rosa Sonoma County to Washington, D.C. Reagan-National will travel around 2436.9 mi. Typically, this will take 9h 10m by plane in normal conditions.

  • When did momondo last update prices for flights from Santa Rosa Sonoma County Airport to Washington, D.C. Reagan-National Airport?

    Prices for flights from Santa Rosa Sonoma County Airport to Washington, D.C. Reagan-National Airport refresh daily.

  • How many operators does momondo search for flights from Santa Rosa Sonoma County Airport to Washington, D.C. Reagan-National Airport?

  • How old do you have to be to fly from Santa Rosa Sonoma County Airport to Washington, D.C. Reagan-National Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Santa Rosa Sonoma County Airport to Washington, D.C. Reagan-National Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

    The required travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Reagan-National Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Santa Rosa to Washington, D.C. Reagan-National Airport?

Best airlines flying from Santa Rosa to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Santa Rosa to Washington, D.C. Reagan-National Airport with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $296Free CancellationRating
7.9
12,809 reviews
Search Alaska Airlines flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Arlington
Gettysburg
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
Silver Spring
Towson
Colonial Beach
Springfield
Fairfax
Tysons
Edgewood
Glen Burnie
College Park

Why use momondo?

Why should I use momondo to find a flight deal from Santa Rosa to Washington, D.C.?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Santa Rosa.

Can I find flights from Santa Rosa to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Santa Rosa with this policy.

How can momondo help me find flights from Santa Rosa to Washington, D.C.?

momondo provides multiple filters to help you find the best flight to Washington, D.C. from Santa Rosa. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Santa Rosa to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from Santa Rosa. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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