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Cheap flights from Santa Rosa to Washington, D.C. from $165

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 12/10. 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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Alaska Airlines Logo
7:28 pm - 5:25 pmSTS-IAD
18h 57m1 stop
Alaska Airlines Logo
5:51 pm - 10:46 pmIAD-STS
7h 55m1 stop
$365Alaska Airlines
Find Deal
Fri, Feb 27 - Tue, Mar 3
Alaska Airlines Logo
8:00 am - 5:55 amSTS-IAD
18h 55m2 stops
Alaska Airlines Logo
5:51 pm - 10:46 pmIAD-STS
7h 55m1 stop
$377Alaska Airlines
Find Deal
Fri, Feb 27 - Tue, Mar 3
Alaska Airlines Logo
7:46 pm - 5:13 pmSTS-IAD
18h 27m1 stop
Alaska Airlines Logo
7:43 am - 10:11 amIAD-STS
29h 28m2 stops
$402Alaska Airlines
Find Deal
Sat, Nov 8 - Mon, Nov 10
Alaska Airlines Logo
2:22 pm - 6:23 amSTS-IAD
13h 01m1 stop
Alaska Airlines Logo
7:43 am - 1:26 pmIAD-STS
8h 43m1 stop
$410Alaska Airlines
Find Deal
Sat, Nov 8 - Mon, Nov 10
Alaska Airlines Logo
6:00 am - 5:43 pmSTS-IAD
8h 43m1 stop
Alaska Airlines Logo
6:29 pm - 11:59 pmIAD-STS
8h 30m1 stop
$417Alaska Airlines
Find Deal
Wed, Dec 24 - Fri, Jan 2
Alaska Airlines Logo
6:00 am - 5:43 pmSTS-IAD
8h 43m1 stop
Alaska Airlines Logo
7:33 am - 1:32 pmIAD-STS
8h 59m1 stop
$420Alaska Airlines
Find Deal
Wed, Dec 24 - Wed, Dec 31
Alaska Airlines Logo
8:00 am - 5:55 amSTS-IAD
18h 55m2 stops
Alaska Airlines Logo
7:00 am - 10:35 pmIAD-STS
18h 35m2 stops
$435Alaska Airlines
Find Deal
Fri, Feb 27 - Tue, Mar 3
Alaska Airlines Logo
6:45 am - 5:21 pmSTS-IAD
7h 36m1 stop
Alaska Airlines Logo
6:29 pm - 11:59 pmIAD-STS
8h 30m1 stop
$450Alaska Airlines
Find Deal
Thu, Dec 18 - Mon, Dec 29
Alaska Airlines Logo
6:34 pm - 7:23 amSTS-IAD
33h 49m2 stops
Alaska Airlines Logo
5:40 pm - 11:57 pmIAD-STS
9h 17m1 stop
$451Alaska Airlines
Find Deal
Fri, Oct 31 - Wed, Nov 5
Alaska Airlines Logo
6:00 am - 5:43 pmSTS-IAD
8h 43m1 stop
Alaska Airlines Logo
6:29 pm - 11:59 pmIAD-STS
8h 30m1 stop
$453Alaska Airlines
Find Deal
Wed, Dec 24 - Mon, Dec 29

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
Feb 27
STS7:28 pmSanta Rosa Sonoma County
18h 57m
1 stop
IAD5:25 pmWashington, D.C. Dulles Intl
Mar 3
IAD5:51 pmWashington, D.C. Dulles Intl
7h 55m
1 stop
STS10:46 pmSanta Rosa Sonoma County
$365
Find similar
Alaska Airlines
Feb 27
STS8:00 amSanta Rosa Sonoma County
18h 55m
2 stops
IAD5:55 amWashington, D.C. Dulles Intl
Mar 3
IAD5:51 pmWashington, D.C. Dulles Intl
7h 55m
1 stop
STS10:46 pmSanta Rosa Sonoma County
$377
Find similar
Alaska Airlines
Nov 8
STS7:46 pmSanta Rosa Sonoma County
18h 27m
1 stop
IAD5:13 pmWashington, D.C. Dulles Intl
Nov 10
IAD7:43 amWashington, D.C. Dulles Intl
29h 28m
2 stops
STS10:11 amSanta Rosa Sonoma County
$402
Find similar

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 October 16, 2025.
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

Fri 2/27

7:28 pm-5:25 pm

1 stop18h 57m

Washington, D.C. Dulles Intl

Tue 3/3

5:51 pm-10:46 pm

1 stop7h 55m

$365

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Fri 2/27

8:00 am-5:55 am

2 stops18h 55m

Washington, D.C. Dulles Intl

Tue 3/3

5:51 pm-10:46 pm

1 stop7h 55m

$377

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Sat 11/8

7:46 pm-5:13 pm

1 stop18h 27m

Washington, D.C. Dulles Intl

Mon 11/10

7:43 am-10:11 am

2 stops29h 28m

$402

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Sat 11/8

2:22 pm-6:23 am

1 stop13h 01m

Washington, D.C. Dulles Intl

Mon 11/10

7:43 am-1:26 pm

1 stop8h 43m

$410

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Wed 12/24

6:00 am-5:43 pm

1 stop8h 43m

Washington, D.C. Dulles Intl

Fri 1/2

6:29 pm-11:59 pm

1 stop8h 30m

$417

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Wed 12/24

6:00 am-5:43 pm

1 stop8h 43m

Washington, D.C. Dulles Intl

Wed 12/31

7:33 am-1:32 pm

1 stop8h 59m

$420

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Fri 2/27

8:00 am-5:55 am

2 stops18h 55m

Washington, D.C. Dulles Intl

Tue 3/3

7:00 am-10:35 pm

2 stops18h 35m

$435

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Thu 12/18

6:45 am-5:21 pm

1 stop7h 36m

Washington, D.C. Dulles Intl

Mon 12/29

6:29 pm-11:59 pm

1 stop8h 30m

$450

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Fri 10/31

6:34 pm-7:23 am

2 stops33h 49m

Washington, D.C. Dulles Intl

Wed 11/5

5:40 pm-11:57 pm

1 stop9h 17m

$451

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Wed 12/24

6:00 am-5:43 pm

1 stop8h 43m

Washington, D.C. Dulles Intl

Mon 12/29

6:29 pm-11:59 pm

1 stop8h 30m

$453

Flights are sorted by cheapest round-trip flights 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 $504. 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 $657.

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 $494 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 $606 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 26% 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

Direct flights

None
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 24m 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
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Reston
Fairfax
Gaithersburg
Glen Burnie

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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