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Cheap flights from Washington, D.C. Dulles Intl Airport to San Francisco from $320

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to San Francisco departing on 1/31. 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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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
6:04 pm - 10:35 am
IAD
-
STS
19h 31m1 stop
Alaska Airlines Logo
11:15 am - 4:26 pm
STS
-
IAD
26h 11m1 stop
$320Alaska Airlines
Sat, Jan 31 - Tue, Feb 3
Alaska Airlines Logo
6:04 pm - 10:35 am
IAD
-
STS
19h 31m1 stop
Alaska Airlines Logo
9:33 pm - 4:26 pm
STS
-
IAD
15h 53m1 stop
$334Alaska Airlines
Sat, Jan 17 - Mon, Jan 19
Alaska Airlines Logo
6:04 pm - 11:59 pm
IAD
-
STS
8h 55m1 stop
Alaska Airlines Logo
9:33 pm - 4:26 pm
STS
-
IAD
15h 53m1 stop
$358Alaska Airlines
Thu, Jan 15 - Mon, Jan 19
Alaska Airlines Logo
6:04 pm - 10:58 pm
IAD
-
STS
31h 54m2 stops
Alaska Airlines Logo
11:15 am - 4:26 pm
STS
-
IAD
26h 11m1 stop
$370Alaska Airlines
Sat, Jan 31 - Tue, Feb 3
Alaska Airlines Logo
7:05 am - 9:52 pm
IAD
-
STS
17h 47m1 stop
Alaska Airlines Logo
7:57 pm - 5:20 pm
STS
-
IAD
18h 23m1 stop
$382Alaska Airlines
Sat, Mar 7 - Fri, Mar 13
Alaska Airlines Logo
7:05 am - 3:47 pm
IAD
-
STS
35h 42m2 stops
Alaska Airlines Logo
7:57 pm - 5:20 pm
STS
-
IAD
18h 23m1 stop
$442Alaska Airlines
Sat, Mar 7 - Fri, Mar 13
Alaska Airlines Logo
6:04 pm - 10:58 pm
IAD
-
STS
31h 54m2 stops
Alaska Airlines Logo
2:30 pm - 5:04 pm
STS
-
IAD
23h 34m1 stop
$469Alaska Airlines
Sat, Jan 31 - Tue, Feb 3
Alaska Airlines Logo
6:20 pm - 11:51 pm
IAD
-
STS
8h 31m1 stop
Alaska Airlines Logo
7:57 pm - 5:20 pm
STS
-
IAD
18h 23m1 stop
$498Alaska Airlines
Thu, Feb 12 - Mon, Feb 16
American Airlines Logo
6:00 am - 3:57 pm
IAD
-
STS
12h 57m2 stops
American Airlines Logo
4:23 pm - 8:48 am
STS
-
IAD
13h 25m2 stops
$527American Airlines
Sat, Mar 7 - Fri, Mar 13
Alaska Airlines Logo
6:20 pm - 11:51 pm
IAD
-
STS
8h 31m1 stop
Alaska Airlines Logo
11:07 am - 5:27 pm
STS
-
IAD
27h 20m2 stops
$572Alaska Airlines
Thu, Feb 12 - Mon, Feb 16

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

Our best Alaska Airlines deals on Washington, D.C. Dulles Intl Airport to Santa Rosa flight tickets
Alaska Airlines
Feb 14
IAD7:05 amWashington, D.C. Dulles Intl
17h 47m
1 stop
STS9:52 pmSanta Rosa Sonoma County
Feb 18
STS7:57 pmSanta Rosa Sonoma County
18h 23m
1 stop
IAD5:20 pmWashington, D.C. Dulles Intl
$304
Find similar
Alaska Airlines
Jan 31
IAD6:04 pmWashington, D.C. Dulles Intl
19h 31m
1 stop
STS10:35 amSanta Rosa Sonoma County
Feb 3
STS11:15 amSanta Rosa Sonoma County
26h 11m
1 stop
IAD4:26 pmWashington, D.C. Dulles Intl
$320
Find similar
Alaska Airlines
Jan 17
IAD6:04 pmWashington, D.C. Dulles Intl
19h 31m
1 stop
STS10:35 amSanta Rosa Sonoma County
Jan 19
STS9:33 pmSanta Rosa Sonoma County
15h 53m
1 stop
IAD4:26 pmWashington, D.C. Dulles Intl
$334
Find similar

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

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Santa Rosa flight tickets
American Airlines
Mar 7
IAD6:00 amWashington, D.C. Dulles Intl
12h 57m
2 stops
STS3:57 pmSanta Rosa Sonoma County
Mar 13
STS4:23 pmSanta Rosa Sonoma County
13h 25m
2 stops
IAD8:48 amWashington, D.C. Dulles Intl
$527
Find similar
American Airlines
Feb 12
IAD6:00 amWashington, D.C. Dulles Intl
12h 57m
2 stops
STS3:57 pmSanta Rosa Sonoma County
Feb 16
STS4:27 pmSanta Rosa Sonoma County
14h 55m
2 stops
IAD10:22 amWashington, D.C. Dulles Intl
$611
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Santa Rosa 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 18, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Santa Rosa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Sat 1/31

6:04 pm-10:35 am

1 stop19h 31m

Santa Rosa Sonoma County

Tue 2/3

11:15 am-4:26 pm

1 stop26h 11m

$320

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Sat 1/17

6:04 pm-10:35 am

1 stop19h 31m

Santa Rosa Sonoma County

Mon 1/19

9:33 pm-4:26 pm

1 stop15h 53m

$334

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Thu 1/15

6:04 pm-11:59 pm

1 stop8h 55m

Santa Rosa Sonoma County

Mon 1/19

9:33 pm-4:26 pm

1 stop15h 53m

$358

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Sat 1/31

6:04 pm-10:58 pm

2 stops31h 54m

Santa Rosa Sonoma County

Tue 2/3

11:15 am-4:26 pm

1 stop26h 11m

$370

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Sat 3/7

7:05 am-9:52 pm

1 stop17h 47m

Santa Rosa Sonoma County

Fri 3/13

7:57 pm-5:20 pm

1 stop18h 23m

$382

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Sat 3/7

7:05 am-3:47 pm

2 stops35h 42m

Santa Rosa Sonoma County

Fri 3/13

7:57 pm-5:20 pm

1 stop18h 23m

$442

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Sat 1/31

6:04 pm-10:58 pm

2 stops31h 54m

Santa Rosa Sonoma County

Tue 2/3

2:30 pm-5:04 pm

1 stop23h 34m

$469

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Thu 2/12

6:20 pm-11:51 pm

1 stop8h 31m

Santa Rosa Sonoma County

Mon 2/16

7:57 pm-5:20 pm

1 stop18h 23m

$498

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Sat 3/7

6:00 am-3:57 pm

2 stops12h 57m

Santa Rosa Sonoma County

Fri 3/13

4:23 pm-8:48 am

2 stops13h 25m

$527

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Thu 2/12

6:20 pm-11:51 pm

1 stop8h 31m

Santa Rosa Sonoma County

Mon 2/16

11:07 am-5:27 pm

2 stops27h 20m

$572

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Santa Rosa

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 Santa Rosa?

Our data shows that Wednesday is the least expensive day to fly to Santa Rosa. Tickets to fly out on this day can be as low as $494. On the other hand, Sunday is the most expensive day to depart from Washington, D.C. Dulles Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $807.

What is the cheapest time of day to depart on your flight to Santa Rosa?

Our data shows that the cheapest Washington, D.C. Dulles Intl Airport to Santa Rosa flights are usually those with departure times in the afternoon. Our users have found flights to Santa Rosa in the afternoon for as low as $533. Flights in the morning are often more expensive with an average ticket price of $737.

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

You could potentially save up to 26% on your flight if you consider stops on a Washington, D.C. Dulles Intl Airport to Santa Rosa flight.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Santa Rosa according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Santa Rosa (IAD to STS) flight deals and tips

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

Fastest flight time

8h 31m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Santa Rosa takes 8h 31m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Santa Rosa. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Santa Rosa.
Search flight deals

  • How far is Washington, D.C. Dulles Intl to Santa Rosa Sonoma County by plane?

    The distance between Washington, D.C. Dulles Intl and Santa Rosa Sonoma County is about 2413.9 mi. 8h 31m is a normal flight duration for this route.

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

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

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Santa Rosa Sonoma County Airport?

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

  • What documentation or ID do you need to fly to Santa Rosa Sonoma County Airport?

    The required travel and health documents for your Santa Rosa Sonoma County 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 Santa Rosa Sonoma County 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 Washington, D.C. Dulles Intl Airport to Santa Rosa?

Best airlines flying from Washington, D.C. Dulles Intl Airport to Santa Rosa

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Santa Rosa with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $440Free CancellationRating
8.0
11,477 reviews
Search Alaska Airlines flights

Traveling to a place near San Francisco?

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Point Arena

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Santa Rosa?

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 Santa Rosa from Washington, D.C..

Can I find flights from Washington, D.C. to Santa Rosa with flexible booking policies on momondo?

Flights from Washington, D.C. to Santa Rosa 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 Washington, D.C. to Santa Rosa?

Once you have performed a search for Washington, D.C. to Santa Rosa flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Santa Rosa from Washington, D.C.. 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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