Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Washington, D.C. Reagan-National Airport to San Francisco from $192

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. Reagan-National Airport to San Francisco departing on 2/2. 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
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Washington, D.C. Reagan-National Airport to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
8:00 am - 9:52 pm
DCA
-
STS
16h 52m1 stop
Alaska Airlines Logo
7:57 pm - 9:59 pm
STS
-
DCA
23h 02m1 stop
$325Alaska Airlines
Sat, Feb 14 - Wed, Feb 18
Alaska Airlines Logo
5:01 pm - 10:35 am
DCA
-
STS
20h 34m1 stop
Alaska Airlines Logo
9:33 pm - 4:09 pm
STS
-
DCA
15h 36m1 stop
$330Alaska Airlines
Sat, Jan 17 - Thu, Jan 22
Alaska Airlines Logo
5:01 pm - 10:35 am
DCA
-
STS
20h 34m1 stop
Alaska Airlines Logo
7:00 am - 8:00 pm
STS
-
DCA
10h 00m1 stop
$368Alaska Airlines
Sat, Jan 17 - Wed, Jan 21
Alaska Airlines Logo
8:00 am - 11:59 pm
DCA
-
STS
18h 59m1 stop
Alaska Airlines Logo
7:00 am - 8:00 pm
STS
-
DCA
10h 00m1 stop
$378Alaska Airlines
Sun, Jan 18 - Wed, Jan 21
Alaska Airlines Logo
8:00 am - 9:52 pm
DCA
-
STS
16h 52m1 stop
Alaska Airlines Logo
8:00 am - 9:59 pm
STS
-
DCA
34h 59m2 stops
$379Alaska Airlines
Sat, Feb 14 - Wed, Feb 18
Alaska Airlines Logo
8:00 am - 11:59 pm
DCA
-
STS
18h 59m1 stop
Alaska Airlines Logo
9:33 pm - 4:09 pm
STS
-
DCA
15h 36m1 stop
$384Alaska Airlines
Sun, Jan 18 - Thu, Jan 22
Alaska Airlines Logo
8:00 am - 11:59 pm
DCA
-
STS
18h 59m1 stop
Alaska Airlines Logo
7:00 am - 4:09 pm
STS
-
DCA
30h 09m2 stops
$390Alaska Airlines
Sun, Jan 18 - Wed, Jan 21
Alaska Airlines Logo
5:01 pm - 10:35 am
DCA
-
STS
20h 34m1 stop
Alaska Airlines Logo
6:50 am - 4:01 pm
STS
-
DCA
30h 11m1 stop
$393Alaska Airlines
Sat, Jan 17 - Tue, Jan 20
Alaska Airlines Logo
8:00 am - 11:59 pm
DCA
-
STS
18h 59m1 stop
Alaska Airlines Logo
6:30 pm - 4:09 pm
STS
-
DCA
18h 39m2 stops
$395Alaska Airlines
Sun, Jan 18 - Thu, Jan 22
Alaska Airlines Logo
8:59 am - 2:29 pm
DCA
-
STS
8h 30m1 stop
Alaska Airlines Logo
7:00 am - 9:59 pm
STS
-
DCA
11h 59m2 stops
$402Alaska Airlines
Sat, Jan 17 - Wed, Jan 21

Alaska Airlines flights from Washington, D.C. Reagan-National Airport to Santa Rosa

Our best Alaska Airlines deals on Washington, D.C. Reagan-National Airport to Santa Rosa flight tickets
Alaska Airlines
Feb 14
DCA8:00 amWashington, D.C. Reagan-National
16h 52m
1 stop
STS9:52 pmSanta Rosa Sonoma County
Feb 18
STS7:57 pmSanta Rosa Sonoma County
23h 02m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
$325
Find similar
Alaska Airlines
Jan 17
DCA5:01 pmWashington, D.C. Reagan-National
20h 34m
1 stop
STS10:35 amSanta Rosa Sonoma County
Jan 22
STS9:33 pmSanta Rosa Sonoma County
15h 36m
1 stop
DCA4:09 pmWashington, D.C. Reagan-National
$330
Find similar
Alaska Airlines
Jan 17
DCA5:01 pmWashington, D.C. Reagan-National
20h 34m
1 stop
STS10:35 amSanta Rosa Sonoma County
Jan 21
STS7:00 amSanta Rosa Sonoma County
10h 00m
1 stop
DCA8:00 pmWashington, D.C. Reagan-National
$368
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National 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 27, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Santa Rosa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Sat 2/14

8:00 am-9:52 pm

1 stop16h 52m

Santa Rosa Sonoma County

Wed 2/18

7:57 pm-9:59 pm

1 stop23h 02m

$325

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Sat 1/17

5:01 pm-10:35 am

1 stop20h 34m

Santa Rosa Sonoma County

Thu 1/22

9:33 pm-4:09 pm

1 stop15h 36m

$330

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Sat 1/17

5:01 pm-10:35 am

1 stop20h 34m

Santa Rosa Sonoma County

Wed 1/21

7:00 am-8:00 pm

1 stop10h 00m

$368

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Sun 1/18

8:00 am-11:59 pm

1 stop18h 59m

Santa Rosa Sonoma County

Wed 1/21

7:00 am-8:00 pm

1 stop10h 00m

$378

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Sat 2/14

8:00 am-9:52 pm

1 stop16h 52m

Santa Rosa Sonoma County

Wed 2/18

8:00 am-9:59 pm

2 stops34h 59m

$379

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Sun 1/18

8:00 am-11:59 pm

1 stop18h 59m

Santa Rosa Sonoma County

Thu 1/22

9:33 pm-4:09 pm

1 stop15h 36m

$384

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Sun 1/18

8:00 am-11:59 pm

1 stop18h 59m

Santa Rosa Sonoma County

Wed 1/21

7:00 am-4:09 pm

2 stops30h 09m

$390

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Sat 1/17

5:01 pm-10:35 am

1 stop20h 34m

Santa Rosa Sonoma County

Tue 1/20

6:50 am-4:01 pm

1 stop30h 11m

$393

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Sun 1/18

8:00 am-11:59 pm

1 stop18h 59m

Santa Rosa Sonoma County

Thu 1/22

6:30 pm-4:09 pm

2 stops18h 39m

$395

Washington, D.C.Santa Rosa

DCA - STS

DCASTS

Washington, D.C. Reagan-National

Sat 1/17

8:59 am-2:29 pm

1 stop8h 30m

Santa Rosa Sonoma County

Wed 1/21

7:00 am-9:59 pm

2 stops11h 59m

$402

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

See travel insights to San Francisco from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National 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. Reagan-National 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. Reagan-National 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.

When to book flights from Washington, D.C. Reagan-National Airport to Santa Rosa

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

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

Fastest flight time

8h 57m

Direct flights

None
The fastest flight from Washington, D.C. Reagan-National Airport to Santa Rosa takes 8h 57m
There are no direct flights from Washington, D.C. Reagan-National Airport to Santa Rosa. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Santa Rosa.
Search flight deals

  • How far is Washington, D.C. Reagan-National to Santa Rosa Sonoma County by plane?

    The distance between Washington, D.C. Reagan-National and Santa Rosa Sonoma County is about 2436.9 mi. A reasonable flight in good conditions will take 8h 57m.

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

    Prices for flights from Washington, D.C. Reagan-National Airport to Santa Rosa Sonoma County Airport were last updated today.

  • How old do you have to be to fly from Washington, D.C. Reagan-National 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. Reagan-National Airport 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 required for your trip to Santa Rosa Sonoma County Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Santa Rosa Sonoma County Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Santa Rosa. momondo saves you time and could save you money on your trip.

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?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Santa Rosa.

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

If you are not ready to book a flight from Washington, D.C. to Santa Rosa now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Santa Rosa and let you know when they change.

An easier way to manage your Santa Rosa trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Mon 1/26
Mon 2/2
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States