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Cheap flights from Santa Rosa to Washington, D.C. from $180

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 5/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
7:46 pm - 9:00 pm
STS
-
DCA
22h 14m
1 stop
Alaska Airlines Logo
8:59 am - 7:06 pm
DCA
-
STS
13h 07m
1 stop
$360Alaska Airlines
Tue, Apr 21 - Sat, Apr 25
Alaska Airlines Logo
7:00 am - 9:00 pm
STS
-
DCA
11h 00m
1 stop
Alaska Airlines Logo
8:59 am - 10:58 am
DCA
-
STS
28h 59m
1 stop
$383Alaska Airlines
Tue, Apr 21 - Tue, Apr 28
Alaska Airlines Logo
7:00 am - 9:00 pm
STS
-
DCA
11h 00m
1 stop
Alaska Airlines Logo
8:59 am - 10:58 am
DCA
-
STS
28h 59m
1 stop
$384Alaska Airlines
Thu, Apr 16 - Tue, Apr 28
Alaska Airlines Logo
7:53 pm - 8:00 pm
STS
-
DCA
21h 07m
1 stop
Alaska Airlines Logo
8:00 am - 12:21 pm
DCA
-
STS
31h 21m
1 stop
$400Alaska Airlines
Mon, Apr 20 - Tue, Apr 28
Alaska Airlines Logo
7:46 pm - 9:00 pm
STS
-
DCA
22h 14m
1 stop
Alaska Airlines Logo
8:59 am - 7:06 pm
DCA
-
STS
13h 07m
1 stop
$403Alaska Airlines
Tue, Apr 21 - Sat, Apr 25
Alaska Airlines Logo
10:01 am - 9:00 pm
STS
-
DCA
7h 59m
1 stop
Alaska Airlines Logo
8:59 am - 7:06 pm
DCA
-
STS
13h 07m
1 stop
$411Alaska Airlines
Wed, Apr 22 - Sat, Apr 25
Alaska Airlines Logo
7:00 am - 9:00 pm
STS
-
DCA
11h 00m
1 stop
Alaska Airlines Logo
8:00 am - 11:59 pm
DCA
-
STS
18h 59m
2 stops
$412Alaska Airlines
Tue, Apr 21 - Tue, Apr 28
Alaska Airlines Logo
7:53 pm - 8:00 pm
STS
-
DCA
21h 07m
1 stop
Alaska Airlines Logo
8:59 am - 7:06 pm
DCA
-
STS
13h 07m
1 stop
$413Alaska Airlines
Mon, Apr 20 - Sat, Apr 25
Alaska Airlines Logo
7:53 pm - 8:00 pm
STS
-
DCA
21h 07m
1 stop
Alaska Airlines Logo
8:00 am - 12:21 pm
DCA
-
STS
31h 21m
1 stop
$418Alaska Airlines
Mon, Apr 20 - Tue, Apr 28
Alaska Airlines Logo
7:00 am - 9:00 pm
STS
-
DCA
11h 00m
1 stop
Alaska Airlines Logo
8:59 am - 10:58 am
DCA
-
STS
28h 59m
1 stop
$420Alaska Airlines
Thu, Apr 16 - Tue, Apr 28

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
Apr 21
STS7:46 pmSanta Rosa Sonoma County
22h 14m
1 stop
DCA9:00 pmWashington, D.C. Reagan-National
Apr 25
DCA8:59 amWashington, D.C. Reagan-National
13h 07m
1 stop
STS7:06 pmSanta Rosa Sonoma County
$360
Alaska Airlines
Apr 21
STS7:00 amSanta Rosa Sonoma County
11h 00m
1 stop
DCA9:00 pmWashington, D.C. Reagan-National
Apr 28
DCA8:59 amWashington, D.C. Reagan-National
28h 59m
1 stop
STS10:58 amSanta Rosa Sonoma County
$383
Alaska Airlines
Apr 16
STS7:00 amSanta Rosa Sonoma County
11h 00m
1 stop
DCA9:00 pmWashington, D.C. Reagan-National
Apr 25
DCA8:59 amWashington, D.C. Reagan-National
13h 07m
1 stop
STS7:06 pmSanta Rosa Sonoma County
$384

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

Our best Southwest deals on Santa Rosa to Washington, D.C. Reagan-National Airport flight tickets
Southwest
Apr 18
STS12:00 pmSanta Rosa Sonoma County
17h 35m
2 stops
DCA8:35 amWashington, D.C. Reagan-National
Apr 25
DCA10:25 amWashington, D.C. Reagan-National
13h 05m
2 stops
STS8:30 pmSanta Rosa Sonoma County
$449
Southwest
Apr 20
STS4:40 pmSanta Rosa Sonoma County
12h 45m
2 stops
DCA8:25 amWashington, D.C. Reagan-National
Apr 24
DCA12:40 pmWashington, D.C. Reagan-National
13h 00m
2 stops
STS10:40 pmSanta Rosa Sonoma County
$494

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 March 3, 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

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Tue 4/21

7:46 pm-9:00 pm

1 stop22h 14m

Washington, D.C. Reagan-National

Sat 4/25

8:59 am-7:06 pm

1 stop13h 07m

$360

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Tue 4/21

7:00 am-9:00 pm

1 stop11h 00m

Washington, D.C. Reagan-National

Tue 4/28

8:59 am-10:58 am

1 stop28h 59m

$383

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Thu 4/16

7:00 am-9:00 pm

1 stop11h 00m

Washington, D.C. Reagan-National

Tue 4/28

8:59 am-10:58 am

1 stop28h 59m

$384

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Mon 4/20

7:53 pm-8:00 pm

1 stop21h 07m

Washington, D.C. Reagan-National

Tue 4/28

8:00 am-12:21 pm

1 stop31h 21m

$400

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Tue 4/21

7:46 pm-9:00 pm

1 stop22h 14m

Washington, D.C. Reagan-National

Sat 4/25

8:59 am-7:06 pm

1 stop13h 07m

$403

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Wed 4/22

10:01 am-9:00 pm

1 stop7h 59m

Washington, D.C. Reagan-National

Sat 4/25

8:59 am-7:06 pm

1 stop13h 07m

$411

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Tue 4/21

7:00 am-9:00 pm

1 stop11h 00m

Washington, D.C. Reagan-National

Tue 4/28

8:00 am-11:59 pm

2 stops18h 59m

$412

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Mon 4/20

7:53 pm-8:00 pm

1 stop21h 07m

Washington, D.C. Reagan-National

Sat 4/25

8:59 am-7:06 pm

1 stop13h 07m

$413

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Mon 4/20

7:53 pm-8:00 pm

1 stop21h 07m

Washington, D.C. Reagan-National

Tue 4/28

8:00 am-12:21 pm

1 stop31h 21m

$418

Santa RosaWashington, D.C.

STS - DCA

STSDCA

Santa Rosa Sonoma County

Thu 4/16

7:00 am-9:00 pm

1 stop11h 00m

Washington, D.C. Reagan-National

Tue 4/28

8:59 am-10:58 am

1 stop28h 59m

$420

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $399. Flights from Santa Rosa to Washington, D.C. Reagan-National Airport on a Sunday will generally be more expensive and average around $619. 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 at noon. Our users have found flights to Washington, D.C. Reagan-National Airport at noon for as low as $454. In contrast, the most expensive time of day to depart to Washington, D.C. Reagan-National Airport is in the morning when prices are around $455.

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

7h 59m

Direct flights

None
The fastest flight from Santa Rosa to Washington, D.C. Reagan-National Airport takes 7h 59m
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

  • 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 7h 59m 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
8.0
11,978 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
Gettysburg
Arlington
Waldorf
Woodbridge
Colonial Beach
Laurel
Towson
Silver Spring
Gaithersburg
Fredericksburg
Rockville
Tysons
Manassas
Springfield
Bethesda
Fairfax
Linthicum Heights
Reston

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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