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Cheap flights from Santa Rosa to Washington, D.C. from $205

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 10/22. 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
6:13 am - 6:14 pm
STS
-
IAD
9h 01m
1 stop
Alaska Airlines Logo
7:00 am - 12:46 pm
IAD
-
STS
8h 46m
1 stop
$409Alaska Airlines
Sat, Sep 12 - Wed, Sep 16
Alaska Airlines Logo
6:13 am - 6:14 pm
STS
-
IAD
9h 01m
1 stop
Alaska Airlines Logo
7:00 am - 12:43 pm
IAD
-
STS
8h 43m
1 stop
$417Alaska Airlines
Tue, Aug 25 - Wed, Aug 26
Alaska Airlines Logo
5:56 pm - 6:14 pm
STS
-
IAD
21h 18m
1 stop
Alaska Airlines Logo
7:00 am - 12:43 pm
IAD
-
STS
8h 43m
1 stop
$426Alaska Airlines
Tue, Aug 18 - Wed, Aug 26
Alaska Airlines Logo
6:13 am - 6:14 pm
STS
-
IAD
9h 01m
1 stop
Alaska Airlines Logo
7:00 am - 9:59 pm
IAD
-
STS
17h 59m
1 stop
$439Alaska Airlines
Tue, Sep 1 - Tue, Sep 8
Alaska Airlines Logo
6:13 am - 6:14 pm
STS
-
IAD
9h 01m
1 stop
Alaska Airlines Logo
9:03 am - 9:31 pm
IAD
-
STS
15h 28m
2 stops
$444Alaska Airlines
Tue, Sep 1 - Tue, Sep 8
Alaska Airlines Logo
6:13 am - 6:14 pm
STS
-
IAD
9h 01m
1 stop
Alaska Airlines Logo
7:47 pm - 9:54 am
IAD
-
STS
17h 07m
1 stop
$449Alaska Airlines
Mon, Sep 14 - Thu, Sep 17
Alaska Airlines Logo
5:34 pm - 5:40 am
STS
-
IAD
9h 06m
1 stop
Alaska Airlines Logo
7:00 am - 12:46 pm
IAD
-
STS
8h 46m
1 stop
$455Alaska Airlines
Fri, Sep 11 - Wed, Sep 16
Alaska Airlines Logo
5:56 pm - 6:14 pm
STS
-
IAD
21h 18m
1 stop
Alaska Airlines Logo
9:03 am - 8:58 pm
IAD
-
STS
14h 55m
2 stops
$457Alaska Airlines
Tue, Aug 18 - Tue, Aug 25
Alaska Airlines Logo
6:13 am - 6:14 pm
STS
-
IAD
9h 01m
1 stop
Alaska Airlines Logo
7:00 am - 9:31 pm
IAD
-
STS
17h 31m
2 stops
$460Alaska Airlines
Tue, Aug 25 - Wed, Aug 26
Alaska Airlines Logo
6:13 am - 6:14 pm
STS
-
IAD
9h 01m
1 stop
Alaska Airlines Logo
7:00 am - 9:31 pm
IAD
-
STS
17h 31m
2 stops
$464Alaska Airlines
Tue, Aug 25 - Wed, Aug 26

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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
Sep 12
STS6:13 amSanta Rosa Sonoma County
9h 01m
1 stop
IAD6:14 pmWashington, D.C. Dulles Intl
Sep 16
IAD7:00 amWashington, D.C. Dulles Intl
8h 46m
1 stop
STS12:46 pmSanta Rosa Sonoma County
$409
Alaska Airlines
Aug 25
STS6:13 amSanta Rosa Sonoma County
9h 01m
1 stop
IAD6:14 pmWashington, D.C. Dulles Intl
Aug 26
IAD7:00 amWashington, D.C. Dulles Intl
8h 43m
1 stop
STS12:43 pmSanta Rosa Sonoma County
$417
Alaska Airlines
Aug 18
STS5:56 pmSanta Rosa Sonoma County
21h 18m
1 stop
IAD6:14 pmWashington, D.C. Dulles Intl
Aug 26
IAD7:00 amWashington, D.C. Dulles Intl
8h 43m
1 stop
STS12:43 pmSanta Rosa Sonoma County
$426

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
Jul 14
STS4:12 pmSanta Rosa Sonoma County
13h 37m
2 stops
IAD8:49 amWashington, D.C. Dulles Intl
Jul 18
IAD5:03 amWashington, D.C. Dulles Intl
13h 39m
2 stops
STS3:42 pmSanta Rosa Sonoma County
$907
American Airlines
Jul 4
STS10:22 amSanta Rosa Sonoma County
19h 44m
2 stops
IAD9:06 amWashington, D.C. Dulles Intl
Jul 7
IAD6:14 amWashington, D.C. Dulles Intl
8h 49m
1 stop
STS12:03 pmSanta Rosa Sonoma County
$926
American Airlines
Jul 4
STS10:22 amSanta Rosa Sonoma County
19h 44m
2 stops
IAD9:06 amWashington, D.C. Dulles Intl
Jul 7
IAD6:33 amWashington, D.C. Dulles Intl
12h 09m
2 stops
STS3:42 pmSanta Rosa Sonoma County
$955

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 July 1, 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

Cheapest round-trip

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Sat 9/12

6:13 am-6:14 pm

1 stop9h 01m

Washington, D.C. Dulles Intl

Wed 9/16

7:00 am-12:46 pm

1 stop8h 46m

$409
Quickest round-trip

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Tue 8/25

6:13 am-6:14 pm

1 stop9h 01m

Washington, D.C. Dulles Intl

Wed 8/26

7:00 am-12:43 pm

1 stop8h 43m

$417

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Tue 8/18

5:56 pm-6:14 pm

1 stop21h 18m

Washington, D.C. Dulles Intl

Wed 8/26

7:00 am-12:43 pm

1 stop8h 43m

$426

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Tue 9/1

6:13 am-6:14 pm

1 stop9h 01m

Washington, D.C. Dulles Intl

Tue 9/8

7:00 am-9:59 pm

1 stop17h 59m

$439

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Tue 9/1

6:13 am-6:14 pm

1 stop9h 01m

Washington, D.C. Dulles Intl

Tue 9/8

9:03 am-9:31 pm

2 stops15h 28m

$444

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Mon 9/14

6:13 am-6:14 pm

1 stop9h 01m

Washington, D.C. Dulles Intl

Thu 9/17

7:47 pm-9:54 am

1 stop17h 07m

$449

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Fri 9/11

5:34 pm-5:40 am

1 stop9h 06m

Washington, D.C. Dulles Intl

Wed 9/16

7:00 am-12:46 pm

1 stop8h 46m

$455

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Tue 8/18

5:56 pm-6:14 pm

1 stop21h 18m

Washington, D.C. Dulles Intl

Tue 8/25

9:03 am-8:58 pm

2 stops14h 55m

$457

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Tue 8/25

6:13 am-6:14 pm

1 stop9h 01m

Washington, D.C. Dulles Intl

Wed 8/26

7:00 am-9:31 pm

2 stops17h 31m

$460

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Tue 8/25

6:13 am-6:14 pm

1 stop9h 01m

Washington, D.C. Dulles Intl

Wed 8/26

7:00 am-9:31 pm

2 stops17h 31m

$464

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 Wednesday 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 $539. 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 $763.

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 $497 when looking at flights departing in the afternoon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $700 on average. Flights to Washington, D.C. Dulles Intl Airport from Santa Rosa in the morning 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 3% 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

9h 01m

Direct flights

None
The fastest flight from Santa Rosa to Washington, D.C. Dulles Intl Airport takes 9h 01m
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.
Search flight deals

Frequently asked questions about flying from Santa Rosa to Washington, D.C. Dulles Intl Airport

  • 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 9h 01m 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
Arlington
Gettysburg
Winchester
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
Colonial Beach
Towson
Manassas
Silver Spring
Sterling
Tysons
Springfield
Bethesda

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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