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Cheap flights from Santa Rosa to Washington, D.C. from $183

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 2/27. 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

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Alaska Airlines Logo
7:57 pm - 5:20 pm
STS
-
IAD
18h 23m1 stop
Alaska Airlines Logo
7:05 am - 9:52 pm
IAD
-
STS
17h 47m1 stop
$374Alaska Airlines
Sat, Feb 14 - Tue, Feb 17
Alaska Airlines Logo
7:57 pm - 5:20 pm
STS
-
IAD
18h 23m1 stop
Alaska Airlines Logo
7:05 am - 9:52 pm
IAD
-
STS
17h 47m1 stop
$384Alaska Airlines
Mon, Mar 9 - Wed, Mar 11
Alaska Airlines Logo
3:12 pm - 5:20 pm
STS
-
IAD
23h 08m2 stops
Alaska Airlines Logo
7:05 am - 9:52 pm
IAD
-
STS
17h 47m1 stop
$385Alaska Airlines
Mon, Mar 9 - Wed, Mar 11
Alaska Airlines Logo
3:12 pm - 5:20 pm
STS
-
IAD
23h 08m2 stops
Alaska Airlines Logo
6:20 pm - 11:50 pm
IAD
-
STS
32h 30m2 stops
$389Alaska Airlines
Mon, Mar 9 - Wed, Mar 11
Alaska Airlines Logo
9:33 pm - 4:26 pm
STS
-
IAD
15h 53m1 stop
Alaska Airlines Logo
6:27 pm - 9:52 pm
IAD
-
STS
30h 25m1 stop
$403Alaska Airlines
Mon, Feb 9 - Fri, Feb 13
Alaska Airlines Logo
7:57 pm - 5:20 pm
STS
-
IAD
18h 23m1 stop
Alaska Airlines Logo
7:05 am - 9:52 pm
IAD
-
STS
17h 47m1 stop
$418Alaska Airlines
Fri, Feb 13 - Wed, Feb 18
Alaska Airlines Logo
6:30 pm - 4:26 pm
STS
-
IAD
18h 56m2 stops
Alaska Airlines Logo
6:20 pm - 11:51 pm
IAD
-
STS
8h 31m1 stop
$427Alaska Airlines
Mon, Feb 9 - Fri, Feb 13
Alaska Airlines Logo
8:17 pm - 6:13 am
STS
-
IAD
30h 56m2 stops
Alaska Airlines Logo
6:04 pm - 10:35 am
IAD
-
STS
19h 31m1 stop
$478Alaska Airlines
Sun, Jan 4 - Wed, Jan 14
Alaska Airlines Logo
7:00 am - 5:49 am
STS
-
IAD
19h 49m2 stops
Alaska Airlines Logo
5:37 pm - 10:58 pm
IAD
-
STS
8h 21m1 stop
$493Alaska Airlines
Wed, Apr 15 - Wed, Apr 22
Alaska Airlines Logo
7:00 am - 5:49 am
STS
-
IAD
19h 49m2 stops
Alaska Airlines Logo
5:37 pm - 10:58 pm
IAD
-
STS
8h 21m1 stop
$496Alaska Airlines
Wed, Apr 15 - Sun, Apr 19

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
Jan 20
STS6:50 amSanta Rosa Sonoma County
30h 36m
2 stops
IAD4:26 pmWashington, D.C. Dulles Intl
Jan 23
IAD6:04 pmWashington, D.C. Dulles Intl
8h 55m
1 stop
STS11:59 pmSanta Rosa Sonoma County
$370
Find similar
Alaska Airlines
Mar 9
STS7:57 pmSanta Rosa Sonoma County
18h 23m
1 stop
IAD5:20 pmWashington, D.C. Dulles Intl
Mar 11
IAD7:05 amWashington, D.C. Dulles Intl
17h 47m
1 stop
STS9:52 pmSanta Rosa Sonoma County
$384
Find similar
Alaska Airlines
Mar 9
STS3:12 pmSanta Rosa Sonoma County
23h 08m
2 stops
IAD5:20 pmWashington, D.C. Dulles Intl
Mar 11
IAD7:05 amWashington, D.C. Dulles Intl
17h 47m
1 stop
STS9:52 pmSanta Rosa Sonoma County
$385
Find similar

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 9
STS12:55 pmSanta Rosa Sonoma County
19h 03m
2 stops
IAD10:58 amWashington, D.C. Dulles Intl
Feb 13
IAD6:00 amWashington, D.C. Dulles Intl
12h 57m
2 stops
STS3:57 pmSanta Rosa Sonoma County
$923
Find similar
American Airlines
Dec 25
STS6:45 amSanta Rosa Sonoma County
12h 48m
2 stops
IAD10:33 pmWashington, D.C. Dulles Intl
Dec 29
IAD6:35 amWashington, D.C. Dulles Intl
12h 16m
2 stops
STS3:51 pmSanta Rosa Sonoma County
$1,663
Find similar
American Airlines
Jan 20
STS7:00 amSanta Rosa Sonoma County
11h 17m
2 stops
IAD9:17 pmWashington, D.C. Dulles Intl
Jan 23
IAD7:01 amWashington, D.C. Dulles Intl
11h 52m
2 stops
STS3:53 pmSanta Rosa Sonoma County
$1,710
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 December 11, 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

Sat 2/14

7:57 pm-5:20 pm

1 stop18h 23m

Washington, D.C. Dulles Intl

Tue 2/17

7:05 am-9:52 pm

1 stop17h 47m

$374

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 3/11

7:05 am-9:52 pm

1 stop17h 47m

$384

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Mon 3/9

3:12 pm-5:20 pm

2 stops23h 08m

Washington, D.C. Dulles Intl

Wed 3/11

7:05 am-9:52 pm

1 stop17h 47m

$385

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Mon 3/9

3:12 pm-5:20 pm

2 stops23h 08m

Washington, D.C. Dulles Intl

Wed 3/11

6:20 pm-11:50 pm

2 stops32h 30m

$389

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Mon 2/9

9:33 pm-4:26 pm

1 stop15h 53m

Washington, D.C. Dulles Intl

Fri 2/13

6:27 pm-9:52 pm

1 stop30h 25m

$403

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Fri 2/13

7:57 pm-5:20 pm

1 stop18h 23m

Washington, D.C. Dulles Intl

Wed 2/18

7:05 am-9:52 pm

1 stop17h 47m

$418

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Mon 2/9

6:30 pm-4:26 pm

2 stops18h 56m

Washington, D.C. Dulles Intl

Fri 2/13

6:20 pm-11:51 pm

1 stop8h 31m

$427

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Sun 1/4

8:17 pm-6:13 am

2 stops30h 56m

Washington, D.C. Dulles Intl

Wed 1/14

6:04 pm-10:35 am

1 stop19h 31m

$478

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Wed 4/15

7:00 am-5:49 am

2 stops19h 49m

Washington, D.C. Dulles Intl

Wed 4/22

5:37 pm-10:58 pm

1 stop8h 21m

$493

Santa RosaWashington, D.C.

STS - IAD

STSIAD

Santa Rosa Sonoma County

Wed 4/15

7:00 am-5:49 am

2 stops19h 49m

Washington, D.C. Dulles Intl

Sun 4/19

5:37 pm-10:58 pm

1 stop8h 21m

$496

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 $490. 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 $662.

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 $601 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 36m

Direct flights

None
The fastest flight from Santa Rosa to Washington, D.C. Dulles Intl Airport takes 7h 36m
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 36m 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
Towson
Harpers Ferry
Rockville
Gaithersburg
Reston
Manassas
Sterling
Fairfax

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.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

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