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Cheap flights from Santa Rosa to Washington, D.C. from $202

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 4/27. 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
7:57 pm - 5:20 pm
STS
-
IAD
18h 23m
1 stop
Alaska Airlines Logo
7:00 am - 6:01 pm
IAD
-
STS
14h 01m
1 stop
$398Alaska Airlines
Mon, Mar 9 - Wed, Mar 18
Alaska Airlines Logo
7:46 pm - 5:22 pm
STS
-
IAD
18h 36m
1 stop
Alaska Airlines Logo
6:22 pm - 10:03 am
IAD
-
STS
18h 41m
1 stop
$413Alaska Airlines
Wed, Apr 8 - Tue, Apr 14
Alaska Airlines Logo
7:57 pm - 5:20 pm
STS
-
IAD
18h 23m
1 stop
Alaska Airlines Logo
7:05 am - 11:50 pm
IAD
-
STS
19h 45m
1 stop
$418Alaska Airlines
Mon, Mar 9 - Sun, Mar 15
Alaska Airlines Logo
7:57 pm - 5:20 pm
STS
-
IAD
18h 23m
1 stop
Alaska Airlines Logo
7:05 am - 11:50 pm
IAD
-
STS
19h 45m
1 stop
$428Alaska Airlines
Mon, Mar 9 - Mon, Mar 16
Alaska Airlines Logo
6:53 pm - 5:40 am
STS
-
IAD
7h 47m
1 stop
Alaska Airlines Logo
6:22 pm - 10:03 am
IAD
-
STS
18h 41m
1 stop
$431Alaska Airlines
Tue, Mar 24 - Tue, Mar 31
Alaska Airlines Logo
7:57 pm - 5:20 pm
STS
-
IAD
18h 23m
1 stop
Alaska Airlines Logo
7:00 am - 6:01 pm
IAD
-
STS
14h 01m
1 stop
$433Alaska Airlines
Mon, Mar 9 - Thu, Mar 19
Alaska Airlines Logo
6:53 pm - 5:40 am
STS
-
IAD
7h 47m
1 stop
Alaska Airlines Logo
6:22 pm - 11:13 pm
IAD
-
STS
31h 51m
1 stop
$437Alaska Airlines
Fri, Apr 17 - Mon, Apr 20
Alaska Airlines Logo
7:46 pm - 5:22 pm
STS
-
IAD
18h 36m
1 stop
Alaska Airlines Logo
7:00 am - 5:10 pm
IAD
-
STS
13h 10m
2 stops
$443Alaska Airlines
Wed, Apr 8 - Tue, Apr 14
Alaska Airlines Logo
7:57 pm - 5:20 pm
STS
-
IAD
18h 23m
1 stop
Alaska Airlines Logo
7:05 am - 9:52 pm
IAD
-
STS
17h 47m
1 stop
$453Alaska Airlines
Tue, Mar 10 - Sat, Mar 14
Alaska Airlines Logo
7:57 pm - 5:20 pm
STS
-
IAD
18h 23m
1 stop
Alaska Airlines Logo
7:05 am - 11:50 pm
IAD
-
STS
19h 45m
1 stop
$458Alaska Airlines
Tue, Mar 10 - Sun, Mar 15

Alaska Airlines flights from Santa Rosa to Washington, D.C. Dulles Intl Airport

Our best Alaska Airlines deals on Santa Rosa to Washington, D.C. Dulles Intl Airport flight tickets
Alaska Airlines
Mar 9
STS7:57 pmSanta Rosa Sonoma County
18h 23m
1 stop
IAD5:20 pmWashington, D.C. Dulles Intl
Mar 18
IAD7:00 amWashington, D.C. Dulles Intl
14h 01m
1 stop
STS6:01 pmSanta Rosa Sonoma County
$398
Alaska Airlines
Apr 8
STS7:46 pmSanta Rosa Sonoma County
18h 36m
1 stop
IAD5:22 pmWashington, D.C. Dulles Intl
Apr 14
IAD6:22 pmWashington, D.C. Dulles Intl
18h 41m
1 stop
STS10:03 amSanta Rosa Sonoma County
$413
Alaska Airlines
Mar 9
STS7:57 pmSanta Rosa Sonoma County
18h 23m
1 stop
IAD5:20 pmWashington, D.C. Dulles Intl
Mar 15
IAD7:05 amWashington, D.C. Dulles Intl
19h 45m
1 stop
STS11:50 pmSanta Rosa Sonoma County
$418

American Airlines flights from Santa Rosa to Washington, D.C. Dulles Intl Airport

Our best American Airlines deals on Santa Rosa to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Feb 14
STS4:17 pmSanta Rosa Sonoma County
13h 31m
2 stops
IAD8:48 amWashington, D.C. Dulles Intl
Feb 21
IAD5:00 amWashington, D.C. Dulles Intl
10h 33m
2 stops
STS12:33 pmSanta Rosa Sonoma County
$1,029
American Airlines
Feb 14
STS4:17 pmSanta Rosa Sonoma County
13h 31m
2 stops
IAD8:48 amWashington, D.C. Dulles Intl
Feb 17
IAD6:00 amWashington, D.C. Dulles Intl
12h 47m
2 stops
STS3:47 pmSanta Rosa Sonoma County
$1,099
American Airlines
Feb 15
STS4:23 pmSanta Rosa Sonoma County
13h 25m
2 stops
IAD8:48 amWashington, D.C. Dulles Intl
Feb 21
IAD5:00 amWashington, D.C. Dulles Intl
10h 33m
2 stops
STS12:33 pmSanta Rosa Sonoma County
$1,123

momondo Fare Finder

 
Customize your flight search to find flights from Santa Rosa to Washington, D.C. Dulles Intl 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 February 13, 2026.
Use the filters below to find and compare flights from Santa Rosa to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Mon 3/9

7:57 pm-5:20 pm

1 stop18h 23m

Washington, D.C. Dulles Intl

Wed 3/18

7:00 am-6:01 pm

1 stop14h 01m

$398

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Wed 4/8

7:46 pm-5:22 pm

1 stop18h 36m

Washington, D.C. Dulles Intl

Tue 4/14

6:22 pm-10:03 am

1 stop18h 41m

$413

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Mon 3/9

7:57 pm-5:20 pm

1 stop18h 23m

Washington, D.C. Dulles Intl

Sun 3/15

7:05 am-11:50 pm

1 stop19h 45m

$418

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Mon 3/9

7:57 pm-5:20 pm

1 stop18h 23m

Washington, D.C. Dulles Intl

Mon 3/16

7:05 am-11:50 pm

1 stop19h 45m

$428

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Tue 3/24

6:53 pm-5:40 am

1 stop7h 47m

Washington, D.C. Dulles Intl

Tue 3/31

6:22 pm-10:03 am

1 stop18h 41m

$431

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Mon 3/9

7:57 pm-5:20 pm

1 stop18h 23m

Washington, D.C. Dulles Intl

Thu 3/19

7:00 am-6:01 pm

1 stop14h 01m

$433

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Fri 4/17

6:53 pm-5:40 am

1 stop7h 47m

Washington, D.C. Dulles Intl

Mon 4/20

6:22 pm-11:13 pm

1 stop31h 51m

$437

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Wed 4/8

7:46 pm-5:22 pm

1 stop18h 36m

Washington, D.C. Dulles Intl

Tue 4/14

7:00 am-5:10 pm

2 stops13h 10m

$443

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Tue 3/10

7:57 pm-5:20 pm

1 stop18h 23m

Washington, D.C. Dulles Intl

Sat 3/14

7:05 am-9:52 pm

1 stop17h 47m

$453

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Tue 3/10

7:57 pm-5:20 pm

1 stop18h 23m

Washington, D.C. Dulles Intl

Sun 3/15

7:05 am-11:50 pm

1 stop19h 45m

$458

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. Dulles Intl 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. Dulles Intl Airport?

Our data shows that Thursday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $495. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Santa Rosa to Washington, D.C. Dulles Intl Airport for around $659.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Santa Rosa in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $454 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $599 on average. Flights to Washington, D.C. Dulles Intl Airport from Santa Rosa at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Santa Rosa to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 52% on your flight if you consider stops on a Santa Rosa to Washington, D.C. Dulles Intl Airport flight.

When to book flights from Santa Rosa to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Santa Rosa to Washington, D.C. Dulles Intl 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. Dulles Intl Airport (STS to IAD) flight deals and tips

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

Fastest flight time

7h 47m

Direct flights

None
The fastest flight from Santa Rosa to Washington, D.C. Dulles Intl Airport takes 7h 47m
There are no direct flights from Santa Rosa to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Santa Rosa to Washington, D.C. Dulles Intl Airport.
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  • How far is Santa Rosa Sonoma County to Washington, D.C. Dulles Intl by plane?

    The straight-line distance from Santa Rosa Sonoma County to Washington, D.C. Dulles Intl is 2413.9 mi. Typically, this will take 7h 47m by plane in normal conditions.

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

    Prices for flights from Santa Rosa Sonoma County Airport to Washington, D.C. Dulles Intl Airport are updated daily.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Santa Rosa Sonoma County Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents you'll need for your trip to Washington, D.C. Dulles Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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
Winchester
Waldorf
Woodbridge
Laurel
Colonial Beach
Tysons
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Sterling
Fairfax
Linthicum Heights

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?

Flights from Santa Rosa to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Washington, D.C. from Santa Rosa.

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

Of course. momondo tracks the price of Santa Rosa to Washington, D.C. flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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