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Cheap flights from Washington, D.C. to San Francisco from $178

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to San Francisco departing on 10/7. 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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0 bags

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Find the cheapest flights from Washington, D.C. to San Francisco

Cheap round-trip flights

Alaska Airlines Logo
5:42 pm - 10:07 amIAD-STS
19h 25m1 stop
Alaska Airlines Logo
7:46 pm - 5:13 pmSTS-IAD
18h 27m1 stop
$342Alaska Airlines
Find Deal
Tue, Oct 21 - Mon, Oct 27
Alaska Airlines Logo
8:59 am - 10:07 amDCA-STS
28h 08m1 stop
Alaska Airlines Logo
6:49 am - 9:05 pmSTS-DCA
11h 16m1 stop
$362Alaska Airlines
Find Deal
Tue, Oct 21 - Tue, Oct 28
Alaska Airlines Logo
5:42 pm - 11:16 pmIAD-STS
8h 34m1 stop
Alaska Airlines Logo
7:42 pm - 4:42 pmSTS-IAD
18h 00m1 stop
$362Alaska Airlines
Find Deal
Wed, Oct 15 - Fri, Oct 17
Alaska Airlines Logo
8:59 am - 11:16 pmDCA-STS
17h 17m1 stop
Alaska Airlines Logo
12:41 pm - 9:14 pmSTS-DCA
29h 33m1 stop
$372Alaska Airlines
Find Deal
Sat, Oct 4 - Tue, Oct 7
Alaska Airlines Logo
5:40 pm - 11:57 pmIAD-STS
9h 17m1 stop
Alaska Airlines Logo
6:49 am - 5:13 pmSTS-IAD
7h 24m1 stop
$375Alaska Airlines
Find Deal
Fri, Nov 14 - Wed, Nov 19
Alaska Airlines Logo
8:59 am - 11:16 pmDCA-STS
17h 17m1 stop
Alaska Airlines Logo
7:00 am - 9:14 pmSTS-DCA
11h 14m1 stop
$382Alaska Airlines
Find Deal
Sat, Oct 4 - Tue, Oct 7
Hawaiian Airlines Logo
5:51 pm - 10:46 pmIAD-STS
7h 55m1 stop
Hawaiian Airlines Logo
6:58 am - 5:25 pmSTS-IAD
7h 27m1 stop
$388Hawaiian Airlines
Find Deal
Thu, Feb 19 - Sun, Feb 22
Hawaiian Airlines Logo
9:59 am - 4:54 pmDCA-STS
9h 55m1 stop
Hawaiian Airlines Logo
7:00 am - 9:14 pmSTS-DCA
11h 14m1 stop
$547Hawaiian Airlines
Find Deal
Sat, Oct 4 - Tue, Oct 7
American Airlines Logo
6:34 am - 3:47 pmIAD-STS
12h 13m2 stops
American Airlines Logo
4:17 pm - 9:55 amSTS-IAD
14h 38m2 stops
$748American Airlines
Find Deal
Thu, Oct 16 - Mon, Oct 20
American Airlines Logo
6:41 am - 11:55 amBWI-STS
8h 14m1 stop
American Airlines Logo
12:25 pm - 11:22 pmSTS-BWI
7h 57m1 stop
$779American Airlines
Find Deal
Mon, Sep 29 - Fri, Oct 3

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

Our best Alaska Airlines deals on Washington, D.C. to Santa Rosa flight tickets
Alaska Airlines
Oct 21
IAD5:42 pmWashington, D.C. Dulles Intl
19h 25m
1 stop
STS10:07 amSanta Rosa Sonoma County
Oct 27
STS7:46 pmSanta Rosa Sonoma County
18h 27m
1 stop
IAD5:13 pmWashington, D.C. Dulles Intl
$342
Find similar
Alaska Airlines
Oct 21
DCA8:59 amWashington, D.C. Reagan-National
28h 08m
1 stop
STS10:07 amSanta Rosa Sonoma County
Oct 28
STS6:49 amSanta Rosa Sonoma County
11h 16m
1 stop
DCA9:05 pmWashington, D.C. Reagan-National
$362
Find similar
Alaska Airlines
Oct 4
DCA8:59 amWashington, D.C. Reagan-National
17h 17m
1 stop
STS11:16 pmSanta Rosa Sonoma County
Oct 7
STS12:41 pmSanta Rosa Sonoma County
29h 33m
1 stop
DCA9:14 pmWashington, D.C. Reagan-National
$372
Find similar

Hawaiian Airlines flights from Washington, D.C. to Santa Rosa

Our best Hawaiian Airlines deals on Washington, D.C. to Santa Rosa flight tickets
Hawaiian Airlines
Feb 19
IAD5:51 pmWashington, D.C. Dulles Intl
7h 55m
1 stop
STS10:46 pmSanta Rosa Sonoma County
Feb 22
STS6:58 amSanta Rosa Sonoma County
7h 27m
1 stop
IAD5:25 pmWashington, D.C. Dulles Intl
$388
Find similar
Hawaiian Airlines
Oct 4
DCA9:59 amWashington, D.C. Reagan-National
9h 55m
1 stop
STS4:54 pmSanta Rosa Sonoma County
Oct 7
STS7:00 amSanta Rosa Sonoma County
11h 14m
1 stop
DCA9:14 pmWashington, D.C. Reagan-National
$547
Find similar
Hawaiian Airlines
Sep 16
IAD7:00 amWashington, D.C. Dulles Intl
9h 36m
1 stop
STS1:36 pmSanta Rosa Sonoma County
Sep 20
STS6:00 amSanta Rosa Sonoma County
7h 52m
1 stop
IAD4:52 pmWashington, D.C. Dulles Intl
$1,058
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 September 15, 2025.
Use the filters below to find and compare flights from Washington, D.C. 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

Tue 10/21

5:42 pm-10:07 am

1 stop19h 25m

Santa Rosa Sonoma County

Mon 10/27

7:46 pm-5:13 pm

1 stop18h 27m

$342

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Tue 10/21

8:59 am-10:07 am

1 stop28h 08m

Santa Rosa Sonoma County

Tue 10/28

6:49 am-9:05 pm

1 stop11h 16m

$362

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Wed 10/15

5:42 pm-11:16 pm

1 stop8h 34m

Santa Rosa Sonoma County

Fri 10/17

7:42 pm-4:42 pm

1 stop18h 00m

$362

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Sat 10/4

8:59 am-11:16 pm

1 stop17h 17m

Santa Rosa Sonoma County

Tue 10/7

12:41 pm-9:14 pm

1 stop29h 33m

$372

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Fri 11/14

5:40 pm-11:57 pm

1 stop9h 17m

Santa Rosa Sonoma County

Wed 11/19

6:49 am-5:13 pm

1 stop7h 24m

$375

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Sat 10/4

8:59 am-11:16 pm

1 stop17h 17m

Santa Rosa Sonoma County

Tue 10/7

7:00 am-9:14 pm

1 stop11h 14m

$382

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Thu 2/19

5:51 pm-10:46 pm

1 stop7h 55m

Santa Rosa Sonoma County

Sun 2/22

6:58 am-5:25 pm

1 stop7h 27m

$388

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Sat 10/4

9:59 am-4:54 pm

1 stop9h 55m

Santa Rosa Sonoma County

Tue 10/7

7:00 am-9:14 pm

1 stop11h 14m

$547

Washington, D.C.Santa Rosa

IAD - STS

IADSTS

Washington, D.C. Dulles Intl

Thu 10/16

6:34 am-3:47 pm

2 stops12h 13m

Santa Rosa Sonoma County

Mon 10/20

4:17 pm-9:55 am

2 stops14h 38m

$748

BaltimoreSanta Rosa

BWI - STS

BWISTS

Baltimore/Washington

Mon 9/29

6:41 am-11:55 am

1 stop8h 14m

Santa Rosa Sonoma County

Fri 10/3

12:25 pm-11:22 pm

1 stop7h 57m

$779

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Washington, D.C. 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 month to fly to Santa Rosa?

If you are unable to visit Santa Rosa during the month of February, then departing from Washington, D.C. during the month January is also very affordable. Most momondo users find prices during this month for around $392.

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. 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. 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. to Santa Rosa flights?

You could potentially save up to 71% on your flight if you consider stops on a Washington, D.C. to Santa Rosa flight.

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

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

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

Direct flights

None
There are no direct flights from Washington, D.C. to Santa Rosa. There are no popular flight routes from Washington, D.C. to Santa Rosa.
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  • How far is Washington, D.C. to Santa Rosa Sonoma County by plane?

    The distance between Washington, D.C. and Santa Rosa Sonoma County is about 2436.2 mi. A reasonable flight in good conditions will take 7h 55m.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Santa Rosa Sonoma County Airport.

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

    The travel and health documents you'll need for your trip to Santa Rosa Sonoma County 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 Santa Rosa Sonoma County Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Washington, D.C. to Santa Rosa?

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

Compare and see reviews for airlines that fly from Washington, D.C. to Santa Rosa with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $431Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $566Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Fort Bragg
Mendocino
Ukiah
Little River
Point Arena

Why use momondo?

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

Finding the right flight to Santa Rosa from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Santa Rosa quick and easy, saving you time and money.

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

All flight searches from Washington, D.C. to Santa Rosa on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Washington, D.C. to Santa Rosa flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Washington, D.C. to Santa Rosa 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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